CN221253438U - Overwinding prevention device with buffer structure - Google Patents

Abstract

The utility model discloses an overwinding prevention device with a buffer structure, which comprises a wire roller, wherein wheel discs are fixed on two sides of the wire roller, rotating support frames are fixed on two sides of the wheel discs, a driving device for driving the wire roller and the wheel discs to rotate is arranged on one side of each rotating support frame, a connecting rod is arranged at the lower end of the wire roller, an overwinding prevention device is arranged at the upper end of each rotating support frame, a base is fixed at the bottom of each rotating support frame, universal wheels are fixed below the base, push rods are fixed on the side walls of each rotating support frame, a cable is wound on the wire roller, the overwinding prevention device with the buffer structure is arranged, a rotation speed monitor on one side of a rotating shaft is used for detecting the rotation speed of the wire roller, when the rotation speed of the wire roller is too high, an electric telescopic rod in the overwinding prevention device drives a holding ring to move downwards, so that the wire roller is stopped to continue rotating, and a buffer spring in the overwinding prevention device can disperse impact force brought by the wire roller.

Description

Overwinding prevention device with buffer structure

Technical Field

The utility model particularly relates to the technical field of overwinding prevention, in particular to an overwinding prevention device with a buffer structure.

Background

The overwinding prevention device has a protection function, is commonly used in the fields of electric roller shutters in residential communities, glass curtain walls in commercial buildings, windshields in industrial places and the like, and plays an important role in different fields. In the municipal cable laying process, the same need prevent the device of overstocking to protect the cable, and the cable is suffered in the laying process easily and is pulled and pressure, and current device of overstocking does not possess buffer structure, probably leads to suffering pulling force and pressure and leads to the damage of overstocking even fracture scheduling problem, consequently, need design a device of overstocking that prevents with buffer structure.

Disclosure of utility model

The utility model aims to provide an overwinding prevention device with a buffer structure, which aims to solve the problem that the cable provided in the background art provides buffer protection when being subjected to external force.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides an prevent overwinding device with buffer structure, includes the line roller, line roller both sides are fixed with the rim plate, and the rim plate both sides are fixed with rotating support frame, and rotating support frame one side is provided with drive line roller and rim plate pivoted drive arrangement simultaneously, the line roller lower extreme is provided with the connecting rod, and rotating support frame upper end is provided with prevents overwinding device, and rotating support frame bottom is fixed with the base simultaneously, the base below is fixed with the universal wheel, and is fixed with the push rod on the rotating support frame lateral wall, twines on the line roller simultaneously and has the cable.

Preferably, the driving device comprises a rotating motor, a belt is arranged at the output end of the rotating motor, a rotating shaft is fixed in the wire roller, a belt pulley is arranged on the rotating shaft close to one side of the rotating motor, and the other side of the belt is sleeved on the belt pulley.

Through the technical scheme, the rotating motor drives the wire roller to rotate, and the cable is released or tightened.

Preferably, the overwinding prevention device comprises a first connecting plate, a plurality of telescopic frames are arranged at the lower end of the first connecting plate, a second connecting plate is fixedly connected to the top ends of the telescopic frames, an electric telescopic rod is fixed between the first connecting plate and the second connecting plate, and clamping rings are fixed on two sides of the lower end of the second connecting plate.

Preferably, the electric telescopic rod drives the clamping ring to adjust the position, and the clamping ring can be contacted with the wire roller.

Through the technical scheme, when the wire roller is subjected to the overwinding reaction, the wire roller is held tightly by the holding ring, and the movement is stopped.

Preferably, the first connecting plate is provided with rails at two ends, and the lower ends of the multi-section telescopic frames can move in the rails.

Through the technical scheme, the position of the multi-section telescopic frame matched with the electric telescopic rod is conveniently adjusted between the first connecting plate and the second connecting plate.

Preferably, buffer springs are arranged between the electric telescopic rod and the multi-section telescopic frame.

Through the technical scheme, when the locking wire roller of the holding ring is tightly held, the buffer spring can disperse the impact force brought by the holding ring.

Compared with the prior art, the utility model has the beneficial effects that: this prevent device of rolling up with buffer structure sets up prevents the device of rolling up, sets up above the wire roller and prevents the device of rolling up, detects the rotational speed of wire roller through the rotational speed monitor of pivot one side, and when wire roller rotational speed was too fast, the rotational speed monitor sent out the signal, prevented that electric telescopic handle in the device of rolling up from driving holding ring on the second connecting plate and moving downwards, made holding ring and wire roller surface contact, stopped wire roller and continued to rotate, and buffer spring in the device of preventing rolling up can disperse the impact force that the wire roller brought.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic diagram of an overwinding prevention device according to the present utility model;

FIG. 3 is a schematic diagram of a driving apparatus according to the present utility model;

in the figure: 1. a wire roller; 2. a wheel disc; 3. rotating the support frame; 4. a driving device; 401. a rotating electric machine; 402. a belt; 403. a rotating shaft; 404. a belt pulley; 5. an overwinding prevention device; 501. a first connection plate; 502. a multi-section expansion bracket; 503. an electric telescopic rod; 504. a holding ring; 505. a second connecting plate; 6. a base; 7. a universal wheel; 8. a push rod; 9. and (5) connecting a rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: an overwinding prevention device with a buffer structure;

as shown in fig. 1 and 3, the two sides of the wire roller 1 are fixed with the wheel discs 2, and the two sides of the wheel discs 2 are fixed with the rotary supporting frame 3, meanwhile, one side of the rotary supporting frame 3 is provided with the driving device 4 for driving the wire roller 1 and the wheel discs 2 to rotate, the driving device 4 comprises a rotary motor 401, the output end of the rotary motor 401 is provided with a belt 402, the wire roller 1 is internally fixed with a rotating shaft 403, meanwhile, the rotating shaft 403 near one side of the rotary motor 401 is provided with a belt pulley 404, the other side of the belt 402 is sleeved on the belt pulley 404, and meanwhile, the wire roller 1 is wound with a cable.

In the above scheme, the wheel discs 2 are fixedly installed on both sides of the wire roller 1, the rotating shaft 403 penetrates through the wire roller 1, wherein one side of the rotating shaft 403 is arranged on the outer side of the rotating support frame 3, the rotating speed detector is fixedly installed on the outer side of the rotating shaft 403, the belt pulley 404 is fixed on the rotating shaft 403 on the outer side, the rotating motor 401 is fixed on the base 6 on the side where the belt pulley 404 is located, the belt 402 is sleeved on the output end of the rotating motor 401 and the belt pulley 404, and the wire roller 1 on the rotating shaft 403 is driven to rotate by driving the rotating motor 401, so that a cable on the wire roller 1 is tightened or released.

As shown in fig. 2, the upper end of the rotating support frame 3 is provided with an overwinding prevention device 5, the overwinding prevention device 5 comprises a first connecting plate 501, the lower end of the first connecting plate 501 is provided with a plurality of telescopic frames 502, the top end of each telescopic frame 502 is fixedly connected with a second connecting plate 505, meanwhile, an electric telescopic rod 503 is fixed between the first connecting plate 501 and the second connecting plate 505, two sides of the lower end of each second connecting plate 505 are fixedly provided with holding rings 504, the electric telescopic rod 503 drives the holding rings 504 to adjust positions, the holding rings 504 can be contacted with the wire roller 1, the two ends in the first connecting plate 501 are provided with tracks, the lower end of each telescopic frame 502 can move in the tracks, and buffer springs are arranged between the electric telescopic rod 503 and each telescopic frame 502.

In the above scheme, the first connecting plate 501 is fixed between two wheel discs 2, two sliding rails are arranged inside the first connecting plate 501, the lower end of the multi-section telescopic frame 502 can move in the sliding rails, the electric telescopic rod 503 is fixed between the first connecting plate 501 and the second connecting plate 505, the top of the multi-section telescopic frame 502 is fixed on the second connecting plate 505, the second connecting plate 505 is not contacted with the wheel discs 2 on two sides, a buffer spring is sleeved on the central position of the multi-section telescopic frame 502 and the electric telescopic rod 503, when the rotating speed detector on the rotating shaft 403 detects that the rotating speed of the wire roll 1 is too fast, the electric telescopic rod 503 drives the holding ring 504 on the second connecting plate 505 to move downwards, so that the surface of the holding ring 504 is contacted with the wire roll 1, the wire roll 1 is stopped from continuing to rotate, the condition that the cable on the wire roll 1 is over-wound or over-placed is avoided, and the buffer spring between the electric telescopic rod 503 and the multi-section telescopic frame 502 can reduce the impact force brought by the holding ring 504 and the wire roll 1, thereby achieving the protection effect on the cable equipment.

As shown in fig. 1, a connecting rod 9 is arranged at the lower end of the wire roller 1, a base 6 is fixed at the bottom of the rotary support frame 3, universal wheels 7 are fixed below the base 6, and push rods 8 are fixed on the side walls of the rotary support frame 3.

In the scheme, a connecting rod 9 is fixed between two wheel discs 2 at the lower end of the wire roller 1, a hole is formed in the middle of the connecting rod 9, a cable conveniently passes through the hole, a base 6 is fixed at the bottom of the rotary support frame 3, universal wheels 7 are fixed below the base 6, and the cable equipment moving position on the base 6 is driven by pushing a push rod 8.

When the device is used, as shown in fig. 1-3, the push rod 8 is pushed to move the device to a required position, a cable on the wire roller 1 passes through a hole on the connecting rod 9, the rotating motor 401 is driven to drive the wire roller 1 to rotate, the cable on the wire roller 1 is wound or released, when the device receives external force or other factors, the rotating speed monitor on the rotating shaft 403 detects that the rotating speed of the rotating shaft 403 is too high, the electric telescopic rod 503 in the anti-over-winding device 5 drives the holding ring 504 to move downwards, the holding ring 504 locks the wire roller 1, and the rotation is stopped, so that the impact force caused by locking can be reduced by the buffer springs on the electric telescopic rod 503 and the multi-section telescopic frame 502.

The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present utility model.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. The utility model provides an prevent overwinding device with buffer structure, includes wire roller (1), its characterized in that: the utility model provides a wire roller (1) both sides are fixed with rim plate (2), and rim plate (2) both sides are fixed with revolving support frame (3), and revolving support frame (3) one side is provided with drive wire roller (1) and rim plate (2) pivoted drive arrangement (4) simultaneously, wire roller (1) lower extreme is provided with connecting rod (9), and revolving support frame (3) upper end is provided with prevents overwinding device (5), and revolving support frame (3) bottom is fixed with base (6) simultaneously, prevent overwinding device (5) including first connecting plate (501), first connecting plate (501) lower extreme is provided with multisection expansion bracket (502), and multisection expansion bracket (502) top fixedly connected with second connecting plate (505), be fixed with electric telescopic handle (503) between first connecting plate (501) and second connecting plate (505) simultaneously, second connecting plate (505) lower extreme both sides are fixed with holding ring (504), base (6) below is fixed with universal wheel (7), and is fixed with push rod (8) on the side wall of revolving support frame (3), twines on wire roller (1) simultaneously.

2. The overwinding prevention device with a buffer structure according to claim 1, wherein: the driving device (4) comprises a rotating motor (401), a belt (402) is arranged at the output end of the rotating motor (401), a rotating shaft (403) is fixed in the wire roller (1), a belt pulley (404) is arranged on the rotating shaft (403) close to one side of the rotating motor (401), and the other side of the belt (402) is sleeved on the belt pulley (404).

3. The overwinding prevention device with a buffer structure according to claim 1, wherein: the electric telescopic rod (503) drives the holding ring (504) to adjust the position, and the holding ring (504) can be contacted with the wire roller (1).

4. The overwinding prevention device with a buffer structure according to claim 1, wherein: the two ends in the first connecting plate (501) are provided with rails, and the lower ends of the multi-section telescopic frames (502) can move in the rails.

5. The overwinding prevention device with a buffer structure according to claim 1, wherein: buffer springs are arranged between the electric telescopic rod (503) and the multi-section telescopic frame (502).