CN110642092B - Mechanical damping passive pay-off device - Google Patents
Mechanical damping passive pay-off device Download PDFInfo
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- CN110642092B CN110642092B CN201910959281.6A CN201910959281A CN110642092B CN 110642092 B CN110642092 B CN 110642092B CN 201910959281 A CN201910959281 A CN 201910959281A CN 110642092 B CN110642092 B CN 110642092B
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- pay
- wheel
- damping
- gear
- screw
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/02—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating delivery of material from supply package
- B65H59/04—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating delivery of material from supply package by devices acting on package or support
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
Abstract
The invention discloses a mechanical damping passive pay-off device, which comprises a pay-off wheel and a central shaft which is positioned in the center of the pay-off wheel and penetrates through the pay-off wheel, wherein two sides of the central shaft are respectively provided with a damping mechanism, the mechanical damping passive pay-off device has scientific and reasonable structure and safe and convenient use, the damping mechanisms are arranged, a damping sheet is contacted with a rotary table to generate friction force so as to control the pay-off speed of the pay-off wheel and enable the pay-off wheel to stably carry out pay-off work, the lead screw is rotated through the action of a connecting rod, the lead screw and a screw nut, the distance between the two screw nuts is adjusted, the adhesion force between the damping sheet and the rotary table is adjusted, so that the friction force is changed, the effect of controlling the rotating speed of the pay-off wheel is achieved, the pay-off is stable, the tension, when the gear is separated, the gear can rotate freely, and when the gear is meshed, the gear is locked, so that the paying-off wheel is locked, and the use is more convenient.
Description
Technical Field
The invention relates to the technical field of pay-off devices, in particular to a mechanical damping passive pay-off device.
Background
Along with the continuous development of economy, more and more places erect the cable and carry out electric power information transmission work, in the laying work of cable, need use cable pay-off, traditional cable pay-off adopts the I-shaped wheel unwrapping wire, the unwrapping wire power of I-shaped wheel is realized through the power of wire drawing machine, because the I-shaped wheel has great resistance because of the dead weight, from the full axle when the I-shaped wheel unwrapping wire begins to the dead axle, this resistance constantly diminishes for produce the dynamic tension from big to little in the unwrapping wire process, influence the stationarity of unwrapping wire, and the easy round trip movement of cable among the unwrapping wire overlength, influence unwrapping wire work, so need the passive pay-off of a mechanical damping to solve above-mentioned problem urgently.
Disclosure of Invention
The invention provides a mechanical damping passive pay-off device, which can effectively solve the problems that the traditional cable pay-off device in the background technology adopts a spool for paying off, the pay-off power of the spool is realized by the power of a wire drawing machine, and the spool has larger resistance due to self weight, so that the resistance is continuously reduced from a full shaft to an empty shaft when the spool starts to pay off, dynamic tension from large to small is generated in the pay-off process, the stability of pay-off is influenced, and a cable is easy to move back and forth when the cable is paid off for too long, and the pay-off work is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: a mechanical damping passive pay-off device comprises a pay-off wheel and a central shaft which is positioned in the center of the pay-off wheel and penetrates through the pay-off wheel, wherein damping mechanisms are arranged on two sides of the central shaft respectively, each damping mechanism comprises a rotary table, damping fins, a connecting rod, a lead screw and a screw nut, the rotary tables are sleeved at positions, close to the end face of the pay-off wheel, of two ends of the central shaft, the damping fins are arranged on two sides of each rotary table respectively, the connecting rod is installed at one end of each damping fin, the lead screw is arranged at the bottom end of each connecting rod;
the wire clamping device is characterized in that fixed disks are arranged at two ends of the central shaft, the central shaft is movably connected with the fixed disks through bearings, guide rods are arranged at the central positions of the fixed disks through rotating shafts, the rotating shafts are connected with the guide rods through torsion springs, a rotating ring is arranged at one end of each rotating shaft, and a wire clamping mechanism is arranged at the central position of each guide rod.
Preferably, the shape of the damping fin is an arc shape.
Preferably, two screw nuts are sleeved on the outer side of one screw rod, and the thread directions of the two screw nuts are opposite.
Preferably, the wire clamping mechanism comprises a sleeve, a C-shaped support frame, a transverse movable shaft, a longitudinal movable shaft and a limiting block, the sleeve is sleeved at the center position of the guide rod, the C-shaped support frame is symmetrically installed on the two sides of the top end of the sleeve, the transverse movable shaft is installed at the bottom between the C-shaped support frames, the longitudinal movable shaft is installed inside a C-shaped groove of the C-shaped support frame, and the limiting block is installed on one side of the top end of the C-shaped support frame.
Preferably, the inner wall of the sleeve is glued with a rubber pad and is attached to the guide rod through the rubber pad.
Preferably, the limiting block is a rubber component, and the top of one end of the limiting block is an arc surface.
Preferably, fixed disk internally mounted has self-locking mechanism, self-locking mechanism includes gear, adjusting gear, rack and location pinion rack, the gear has been cup jointed near the fixed disk outside to the center pin, fixed disk internally mounted has adjusting gear, just adjusting gear links to each other with the guide bar to rotate along with the guide bar swing, the meshing of adjusting gear one side is connected with the rack, location pinion rack is installed to rack top one side, just location pinion rack is located the gear top.
Preferably, a channel is formed in the top end of the fixed disc, and the rack is inserted into the channel and moves along the channel.
Preferably, the shell is all installed to actinobacillus wheel both sides, two the base is installed to the shell bottom.
Preferably, one end of the screw nut is sleeved with a rotating wheel, and a grip is inserted into one side of the rotating wheel.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use;
1. be provided with damping mechanism, effect through the damping fin, make its and carousel contact production frictional force, thereby control carousel pivoted speed, and then the speed of control actinobacillus wheel unwrapping wire, make its stable unwrapping wire work that carries on, through the connecting rod, the effect of lead screw and screw nut, according to the rotatory lead screw of actual demand, adjust the interval between two screw nuts, adjust the laminating power between damping fin and the carousel, thereby change frictional force, reach the effect of control actinobacillus wheel rotation rate, the effect of cooperation runner and handle, the person of facilitating the use rotates the lead screw, the operation is simple, high durability and convenient use.
2. Set up card line mechanism, effect through two C shape support frames, be convenient for block the cable, control about avoiding the cable, influence unwrapping wire work, effect through horizontal loose axle and vertical loose axle, reduce the frictional force of cable and C shape support frame inner wall, reduce the wearing and tearing that the cable pulling in-process produced, effect through the stopper, shelter from C shape support frame top, thereby avoid the cable C shape support frame top to deviate from, improve the stability of device unwrapping wire, cooperate sheathed tube effect, the person of facilitating the use stimulates it to move on the connecting rod, thereby demand change lead wire position more.
3. Be provided with self-locking mechanism, effect through the pivot, drive the adjusting gear and rotate, thereby drive rack and locating tooth plate and reciprocate, make locating tooth plate and gear separately or the meshing is connected, thereby when separately, but the gear free rotation, during the meshing, gear locking, and make the locking of actinobacillus wheel, avoid it to rotate, and the pivot passes through torsion spring with the connecting rod and is connected, under the idle state, torsion spring drives connecting rod and adjusting gear and resets, thereby lock the device automatically, it is more convenient to use.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic view of the construction of the pay-off device of the present invention;
FIG. 2 is a left side view of the pay-off device of the present invention;
FIG. 3 is a top view of the pay-off device of the present invention;
FIG. 4 is a schematic structural view of the damping mechanism of the present invention;
FIG. 5 is a schematic structural view of the wire clamping mechanism of the present invention;
FIG. 6 is a schematic structural view of the self-locking mechanism of the present invention;
FIG. 7 is a schematic view of the adjusting gear of the present invention;
FIG. 8 is a schematic view of the pay-off device of the present invention in a sealed configuration;
reference numbers in the figures: 1. a paying-off wheel; 2. a central shaft; 3. a damping mechanism; 301. a turntable; 302. a damping fin; 303. a connecting rod; 304. a screw rod; 305. a screw nut; 4. fixing the disc; 5. a guide rod; 6. a rotating shaft; 7. a wire clamping mechanism; 701. a sleeve; 702. a C-shaped support frame; 703. a transverse movable shaft; 704. a longitudinal movable shaft; 705. a limiting block; 8. a self-locking mechanism; 801. a gear; 802. an adjusting gear; 803. a rack; 804. a positioning toothed plate; 9. a rotating ring; 10. a housing; 11. a base; 12. a rotating wheel; 13. a handle.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in figures 1-4, the invention provides a technical scheme, a mechanical damping passive pay-off device comprises a pay-off wheel 1 and a central shaft 2 which is positioned in the center of the pay-off wheel 1 and penetrates through the pay-off wheel 1, wherein two sides of the central shaft 2 are respectively provided with a damping mechanism 3, each damping mechanism 3 comprises a turntable 301, a damping sheet 302, a connecting rod 303, a screw rod 304 and a screw nut 305, the two ends of the central shaft 2, which are close to the end face of the pay-off wheel 1, are respectively sleeved with the turntables 301, two sides of the turntables 301 are respectively provided with the damping sheets 302, one end of each damping sheet 302 is provided with the connecting rod 303, the bottom end of the connecting rod 303 is provided with the screw rod 304, the connecting rod 303 is in threaded connection with the screw rod 304 through the screw nut 305, two ends of the central shaft 2 are respectively provided with a fixed disc 4, the central shaft 2, one end of the rotating shaft 6 is provided with a rotating ring 9, and the center of the guide rod 5 is provided with a wire clamping mechanism 7.
Specifically, the shape of damping fin 302 is the arc, is convenient for laminate with carousel 301 for carousel 301 produces frictional force when rotating, controls the rotational speed of carousel 301.
Specifically, two screw nuts 305 are sleeved on the outer side of one screw 304, and the thread directions of the two screw nuts 305 are opposite, so that the two screw nuts 305 are controlled to move by the single screw 304, and the two damping fins 302 are close to or separated from each other.
During adjustment: rotate through lead screw 304, make two screw nuts 305 be close to each other or mutual separation, screw nut 305 top is passed through connecting rod 303 and is linked to each other with damping fin 302, thereby it is close to or the separation to carousel 301 to drive two damping fins 302 through connecting rod 303, when being close to, damping fin 302 and the increase of carousel 301 laminating power, frictional force when carousel 301 rotates has been increased, during the separation, damping fin 302 and carousel 301 laminating power reduce, frictional force when carousel 301 rotates has been reduced, reach the effect of control carousel 301 rotational speed.
Preferably, the runner 12 is sleeved at one end of the screw nut 305, the handle 13 is inserted into one side of the runner 12, so that the handle 13 is convenient to use and hold, the runner 12 is driven to rotate, the screw nut 305 is driven to rotate, and the operation is more convenient and faster.
Specifically, as shown in fig. 5, the wire clamping mechanism 7 includes a sleeve 701, C-shaped support frames 702, a transverse movable shaft 703, a longitudinal movable shaft 704 and a limiting block 705, the sleeve 701 is sleeved at the center of the guide rod 5, the C-shaped support frames 702 are symmetrically installed on two sides of the top end of the sleeve 701, the transverse movable shaft 703 is installed at the bottom between the two C-shaped support frames 702, the longitudinal movable shaft 704 is installed inside a C-shaped groove of the two C-shaped support frames 702, and the limiting block 705 is installed on one side of the top end of the two C-shaped support frames 702.
Specifically, the rubber pad is connected to the inner wall of the sleeve 701 in an adhesive mode, and is attached to the guide rod 5 through the rubber pad, so that the friction force between the sleeve 701 and the guide rod 5 is improved, and the phenomenon that the sleeve 701 moves on the guide rod 5 at will to affect the paying-off work is avoided.
Specifically, stopper 705 is the component of a rubber material, and stopper 705 one end top is the cambered surface, makes things convenient for the cable to get into inside two C shape support frames 702, avoids the cable to deviate from inside two C shape support frames 702 simultaneously for the unwrapping wire is more stable.
During the card line, place the cable on two C shape support frames 702 tops, and extrude the cable downwards, make stopper 705 warp, thereby increase open-ended size, inside until the cable gets into two C shape support frames 702, stopper 705 atress disappears, under the effect of self elasticity, automatic reconversion, thereby shelter from two C shape support frame 702 top openings, avoid the cable to break away from inside two C shape support frames 702, the cable removes the in-process, it contacts with inside horizontal loose axle 703 and the vertical loose axle 704 of two C shape support frames 702, and through horizontal loose axle 703 and the rolling effect of vertical loose axle 704, reduce the frictional force of cable removal in-process, avoid the cable directly to cause the damage with two C shape support frame 702 inner wall frictions.
Specifically, as shown in fig. 6-7, a self-locking mechanism 8 is installed inside a fixing disk 4, the self-locking mechanism 8 includes a gear 801, an adjusting gear 802, a rack 803 and a positioning toothed plate 804, the gear 801 is sleeved on the outer side of the central shaft 2 close to the fixing disk 4, the adjusting gear 802 is installed inside the fixing disk 4, the adjusting gear 802 is connected with a guide rod 5 and rotates along with the swinging of the guide rod 5, the rack 803 is meshed on one side of the adjusting gear 802, the positioning toothed plate 804 is installed on one side of the top end of the rack 803, and the positioning toothed plate 804 is located above the gear 801.
Specifically, a channel is formed in the top end of the fixed disk 4, and the rack 803 is inserted into the channel and moves along the channel, so that the rack 803 can move up and down conveniently.
When unlocking: guide rod 5 atress is swung downwards, drives pivot 6 and adjusting gear 802 and rotates, and adjusting gear 802 drives rack 803 rebound, and locating toothed plate 804 is installed to rack 803 top one side to drive locating toothed plate 804 rebound, make locating toothed plate 804 and gear 801 separation, gear 801 can freely rotate, and then makes actinobacillus wheel 1 can freely rotate.
During the auto-lock, guide rod 5 atress disappears, install torsion spring between guide rod 5 and the pivot 6, under torsion spring's elastic force effect, make guide rod 5 and pivot 6 reset, drive adjusting gear 802 antiport, thereby drive rack 803 downstream, drive location pinion rack 804 downstream, make location pinion rack 804 and gear 801 meshing be connected, wherein, fixed disk 4 fixed mounting, thereby fix a position the locking to rack 803, restrict its rotation, and then restriction actinobacillus wheel 1 rotates, reach the effect of auto-lock.
Or, the rotating ring 9 is rotated to drive the rotating shaft 6 and the adjusting gear 802 to rotate, so that the positioning toothed plate 804 is separated from or meshed with the gear 801 to perform manual locking and unlocking.
Specifically, as shown in fig. 8, shells 10 are installed on both sides of the paying-off wheel 1, and bases 11 are installed at the bottom ends of the two shells 10, so that the device is sealed, and external impurities are prevented from entering the device to cause pollution or damage to internal parts.
The working principle and the using process of the invention are as follows: assembling the device, sleeving the outer shell 10 for sealing, shifting the sleeve 701 to move to a specified position on the guide rod 5, pulling the cable to be clamped into the two C-shaped support frames 702, when paying off, the cable extrudes the guide rod 5 to swing downwards around the rotating shaft 6 to rotate the adjusting gear 802 so as to unlock the device, then rotating the rotating wheel 12 to rotate the lead screw 304 so as to change the joint force between the damping sheet 302 and the rotating disc 301, adjust the friction force when the rotating disc 301 rotates, control the rotating speed of the paying-off wheel 1 to stabilize the paying off and further maintain the tension of the cable, when one end of the cable is loosened or accidentally broken, the guide rod 5 loses the stress, under the action of the torsion spring, the connecting rod 303 resets upwards to drive the adjusting gear 802 to rotate reversely, so that the rack 803 is pressed downwards to perform self-locking work, and the paying-off wheel 1 is contracted tightly, avoid it to rotate, lead to the cable to loosen, use convenient safety more.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a passive pay-off of mechanical damping, includes actinobacillus wheel (1) and center pin (2) that are located actinobacillus wheel (1) center and run through actinobacillus wheel (1), its characterized in that: the damping mechanism (3) is arranged on each of two sides of the central shaft (2), each damping mechanism (3) comprises a rotary table (301), a damping fin (302), a connecting rod (303), a screw rod (304) and a screw nut (305), the rotary tables (301) are sleeved at positions, close to the end face of the paying-off wheel (1), of two ends of the central shaft (2), the damping fins (302) are arranged on each of two sides of each rotary table (301), the connecting rod (303) is installed at one end of each damping fin (302), the screw rod (304) is arranged at the bottom end of each connecting rod (303), and the connecting rods (303) are in threaded connection with the screw rods (304) through the screw nuts;
the wire clamping device is characterized in that fixed disks (4) are arranged at two ends of the central shaft (2), the central shaft (2) is movably connected with the fixed disks (4) through bearings, a guide rod (5) is installed at the central position of each fixed disk (4) through a rotating shaft (6), the rotating shaft (6) is connected with the guide rod (5) through a torsion spring, a rotating ring (9) is installed at one end of each rotating shaft (6), and a wire clamping mechanism (7) is arranged at the central position of each guide rod (5);
fixed disk (4) internally mounted has self-locking mechanism (8), self-locking mechanism (8) include gear (801), adjusting gear (802), rack (803) and location pinion rack (804), center pin (2) are close to fixed disk (4) outside and have cup jointed gear (801), fixed disk (4) internally mounted has adjusting gear (802), just adjusting gear (802) link to each other with guide bar (5) to swing along with guide bar (5) and rotate, the meshing of adjusting gear (802) one side is connected with rack (803), location pinion rack (804) are installed to rack (803) top one side, just location pinion rack (804) are located gear (801) top, wherein, fixed disk (4) top inside is equipped with the passageway, rack (803) insert in the passageway to remove along the passageway.
2. The mechanically damped passive pay-off device of claim 1, wherein: the shape of the damping fin (302) is arc.
3. The mechanically damped passive pay-off device of claim 1, wherein: two screw nuts (305) are sleeved on the outer side of one screw rod (304), and the thread directions of the two screw nuts (305) are opposite.
4. The mechanically damped passive pay-off device of claim 1, wherein: the wire clamping mechanism (7) comprises a sleeve (701), a C-shaped support frame (702), a transverse movable shaft (703), a longitudinal movable shaft (704) and a limiting block (705), the sleeve (701) is sleeved at the center position of the guide rod (5), the C-shaped support frame (702) is symmetrically installed on the two sides of the top end of the sleeve (701) and is two, the transverse movable shaft (703) is installed at the bottom between the C-shaped support frames (702) and is two, the longitudinal movable shaft (704) is installed inside a C-shaped groove of each C-shaped support frame, and the limiting block (705) is installed on one side of the top end of each C-shaped support.
5. The mechanically damped passive pay-off device of claim 4, wherein: the inner wall of the sleeve (701) is glued with a rubber pad and is attached to the guide rod (5) through the rubber pad.
6. The mechanically damped passive pay-off device of claim 4, wherein: the limiting block (705) is a rubber component, and the top of one end of the limiting block (705) is an arc surface.
7. The mechanically damped passive pay-off device of claim 1, wherein: shell (10), two are all installed to actinobacillus wheel (1) both sides base (11) are installed to shell (10) bottom.
8. The mechanically damped passive pay-off device of claim 1, wherein: one end of the screw nut (305) is sleeved with a rotating wheel (12), and one side of the rotating wheel (12) is inserted with a grip (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910959281.6A CN110642092B (en) | 2019-10-10 | 2019-10-10 | Mechanical damping passive pay-off device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910959281.6A CN110642092B (en) | 2019-10-10 | 2019-10-10 | Mechanical damping passive pay-off device |
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| CN110642092A CN110642092A (en) | 2020-01-03 |
| CN110642092B true CN110642092B (en) | 2021-03-26 |
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| CN201910959281.6A Active CN110642092B (en) | 2019-10-10 | 2019-10-10 | Mechanical damping passive pay-off device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112700924B (en) * | 2020-12-17 | 2021-08-24 | 深圳市成天泰电缆实业发展有限公司 | Damping pay-off is used in electric power cable production |
| CN113073458B (en) * | 2021-03-29 | 2023-07-21 | 安徽省冠盛纺织科技有限公司 | Cutting device for spinning |
| CN113120689B (en) * | 2021-04-24 | 2022-06-17 | 国家电网有限公司 | Tension pay-off |
| CN113336024B (en) * | 2021-06-28 | 2022-01-18 | 兴化市永盛电力器材有限公司 | Small-sized pay-off device with retarding brake device |
| CN113445195B (en) * | 2021-07-19 | 2022-12-23 | 天津工业大学 | Yarn feeder with adjustable yarn feeding speed |
| CN113562532B (en) * | 2021-09-27 | 2021-12-21 | 山东科技职业学院 | Cable reel capable of reducing paying-off inertia |
| CN114590643B (en) * | 2022-04-02 | 2023-07-04 | 德清千和精密机械有限公司 | Tension adjusting device for eliminating bad tension |
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| CN110642092A (en) | 2020-01-03 |
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