CN219326540U - Cable winding and releasing device for winch - Google Patents

Abstract

The application discloses cable rolling and release for winch, including support, rim plate and pivot are all rotated and are installed on the support, through gear fit together between rim plate and the pivot, still include friction fender tab, ratchet, friction nut, pawl and torsional spring, friction fender tab fixed set up in the pivot, the ratchet cover is located in the pivot, friction nut pass through threaded connection's mode install in the pivot, the ratchet is located friction fender tab and friction nut between, the pawl pass through the torsional spring install in on the support, the pawl is used for with the ratchet contact. The device has the following beneficial effects: through setting up the ratchet that can adjust the state relative with the pivot, through the state of ratchet when rolling cable and release cable, the friction nut can not appear reversing when guaranteeing to release the cable, quick release cable, and release cable process can not break.

Description

Cable winding and releasing device for winch

Technical Field

The utility model relates to the field of winches, in particular to a rope winding and releasing device for a winch.

Background

The winch is a tool commonly used in the current industrial production, the structure of the winch used in the current industrial production is shown in patent publication CN202148160U, however, the gear shaft (reference numeral 4 in the literature) of the winch with the structure is not provided with any speed-limiting and non-return structure, so that whether the winch with the structure is inverted when winding the rope is completely controlled by the arm of a worker, and the reliability is relatively poor.

Disclosure of Invention

The utility model provides a rope winding and releasing device for a winch aiming at the problems.

The technical scheme adopted by the utility model is as follows:

the utility model provides a cable rolling and release for winch, includes support, rim plate and pivot are all rotated and are installed on the support, through gear fit together between rim plate and the pivot, still include friction fender tab, ratchet, friction nut, pawl and torsional spring, friction fender tab fixed set up in the pivot, the ratchet cover is located in the pivot, friction nut install in through threaded connection's mode in the pivot, the ratchet is located between friction fender tab and the friction nut, the pawl pass through the torsional spring install in on the support, the pawl is used for with the ratchet contact.

In this device, when friction nut tightly pushes up the ratchet between friction fender joint piece and friction nut, whole ratchet clamp is fixed in the pivot, can't take place relative rotation between ratchet and the pivot, and when friction nut no longer pushes up the ratchet, the ratchet can freely rotate between friction nut and friction fender joint piece.

Therefore, when the device is used, the ratchet wheel is adjusted to be in a fixed state relative to the rotating shaft, and as the pawl is in contact with the ratchet wheel and the rotating shaft is ensured to be in a rotating direction of the winding rope, the pawl does not obstruct the rotation of the ratchet wheel, so that the ratchet wheel can be ensured to be in a unidirectional rotating state by matching the ratchet wheel with the pawl when the rope is wound, when the rotating shaft reversely rotates, the pawl can prevent the ratchet wheel from reversely rotating, and when the rope on the wheel disc needs to be released, the friction nut is twisted, so that the ratchet wheel is in a freely rotating state relative to the rotating shaft, and the rope wound by the wheel disc can be quickly released at the moment.

In summary, the device can adjust the ratchet wheel opposite to the rotating shaft through the arrangement, and ensure that the rotating shaft can not be inverted when the rope is wound up and the ratchet wheel can not be blocked by the ratchet wheel and the pawl when the rope is released through the state of the ratchet wheel when the rope is wound up and released, so that the rope is released rapidly.

The wheel disc is used for winding or releasing the rope, and the wheel disc and the rotating shaft are linked through gears (or similar parts).

Optionally, the device further comprises a friction plate, wherein the friction plate is sleeved on the rotating shaft, and the friction plate is positioned between the ratchet wheel and the friction nut.

The friction nut is abutted against the ratchet wheel through the friction plate.

Optionally, a baffle is arranged on the rotating shaft, a spring is sleeved on the rotating shaft, one end of the spring abuts against the baffle, and the other end of the spring abuts against the friction nut.

Optionally, the baffle is mounted on the rotating shaft through a bolt.

The baffle is installed in the one end of pivot through the bolt, and the both ends of spring are supported baffle and friction nut respectively.

Optionally, the device further comprises a positioning sleeve, wherein the positioning sleeve is arranged at one end of the rotating shaft, a part of the bolt is positioned in the positioning sleeve, and the spring is positioned outside the positioning sleeve.

Optionally, the spring is located within the friction nut.

The spring is positioned in the friction nut, so that the friction nut is protected to a certain extent.

Optionally, a gasket is arranged between the bolt and the baffle.

Optionally, the rotating shaft is parallel to the central axis of the wheel disc and is in a non-contact state.

Optionally, a bearing is arranged between the rotating shaft and the bracket.

Optionally, the rotating shaft is a rotating shaft made of metal.

The beneficial effects of the utility model are as follows: through setting up the ratchet that can adjust the state relative with the pivot, through the state of ratchet when rolling up the cable and releasing the cable, ensure that the pivot can not appear reversing when rolling up the cable, ratchet and pawl can not hinder when releasing the cable, quick release cable.

Description of the drawings:

FIG. 1 is a schematic diagram of a rope reel and release device for a winch;

FIG. 2 is a schematic diagram of the mating relationship of the friction nut, ratchet and shaft;

fig. 3 is a schematic view of the positional relationship of the friction plate, the friction stop tab and the ratchet.

The reference numerals in the drawings are as follows: 1. a wheel disc; 2. a gear; 3. friction stop tab; 4. a ratchet wheel; 5. friction nuts; 6. a positioning sleeve; 7. a baffle; 8. a spring; 9. a friction plate; 10. a pawl; 11. a torsion spring; 12. a rotating shaft; 13. a bolt; 14. a gasket; 15. and (3) a bearing.

The specific embodiment is as follows:

the present utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, fig. 2 and fig. 3, a rope winding and releasing device for a winch comprises a bracket, a wheel disc 1 and a rotating shaft 12, wherein the wheel disc 1 and the rotating shaft 12 are rotatably installed on the bracket, the wheel disc 1 and the rotating shaft 12 are matched together through a gear 2, the device further comprises a friction blocking tab 3, a ratchet wheel 4, a friction nut 5, a pawl 10 and a torsion spring 11, the friction blocking tab 3 is fixedly arranged on the rotating shaft 12, the ratchet wheel 4 is sleeved on the rotating shaft 12, the friction nut 5 is installed on the rotating shaft 12 in a threaded connection mode, the ratchet wheel 4 is located between the friction blocking tab 3 and the friction nut 5, the pawl 10 is installed on the bracket through the torsion spring 11, and the pawl 10 is used for contacting with the ratchet wheel 4.

In the device, when the friction nut 5 tightly pushes the ratchet wheel 4 between the friction blocking connection piece 3 and the friction nut 5, the whole ratchet wheel 4 is clamped and fixed on the rotating shaft 12, the ratchet wheel 4 and the rotating shaft 12 cannot rotate relatively, and when the friction nut 5 does not tightly push the ratchet wheel 4 any more, the ratchet wheel 4 can freely rotate between the friction nut 5 and the friction blocking connection piece 3.

Therefore, when the device is used, the ratchet wheel 4 is adjusted to be in a fixed state relative to the rotating shaft 12, as the pawl 10 is in contact with the ratchet wheel 4, and the rotating shaft 12 is ensured not to obstruct the rotation of the ratchet wheel 4 in the rotating direction of the winding rope, the ratchet wheel 4 and the pawl 10 are matched to ensure that the ratchet wheel 4 is in a unidirectional rotating state when the winding rope is wound, when the rotating shaft 12 reversely rotates, the pawl 10 can prevent the ratchet wheel 4 from reversely rotating, the reverse rotation is prevented, and when a rope on the wheel disc 1 needs to be released, the friction nut 5 is screwed, so that the ratchet wheel 4 is in a freely rotatable state relative to the rotating shaft 12, and the rope wound by the wheel disc 1 can be quickly released at the moment.

In summary, the device can adjust the ratchet wheel 4 opposite to the rotating shaft 12 by arranging the ratchet wheel 4, and ensure that the rotating shaft 12 can not be inverted when the rope is wound up and the ratchet wheel 4 can not be blocked by the pawl 10 when the rope is released by winding up the rope and releasing the rope, so that the rope is released rapidly.

In the device, the wheel disc 1 is used for winding or releasing a rope, and the wheel disc 1 and the rotating shaft 12 are linked through the gear 2 (or similar parts).

As shown in fig. 1, 2 and 3, the friction plate 9 is sleeved on the rotating shaft 12, and the friction plate 9 is located between the ratchet wheel 4 and the friction nut 5.

The friction nut 5 abuts against the ratchet wheel 4 through the friction plate 9.

As shown in fig. 1, 2 and 3, a baffle 7 is arranged on a rotating shaft 12, a spring 8 is sleeved on the rotating shaft 12, one end of the spring 8 abuts against the baffle 7, and the other end of the spring 8 abuts against a friction nut 5. The spring ensures that the friction nut 5 does not back up against the ratchet wheel during the paying-off process, ensuring that no interruption of the paying-off process occurs.

As shown in fig. 1, 2 and 3, the baffle 7 is mounted on the rotating shaft 12 by bolts 13.

The baffle 7 is mounted at one end of the rotating shaft 12 through a bolt 13, and two ends of the spring 8 respectively prop against the baffle 7 and the friction nut 5.

As shown in fig. 1, 2 and 3, the device further comprises a positioning sleeve 6, the positioning sleeve 6 is arranged at one end of the rotating shaft 12, a part of the bolt 13 is positioned in the positioning sleeve 6, and the spring 8 is positioned outside the positioning sleeve 6.

As shown in fig. 1, 2 and 3, the spring 8 is located within the friction nut 5.

The spring 8 is located in the friction nut 5, which is intended to protect the friction nut 5.

As shown in fig. 1, 2 and 3, a spacer 14 is provided between the bolt 13 and the flap 7.

As shown in fig. 1, 2 and 3, the rotating shaft 12 is parallel to the central axis of the wheel disc 1 and is not in contact with the central axis.

As shown in fig. 1, 2 and 3, a bearing 15 is provided between the rotating shaft 12 and the bracket.

As shown in fig. 1, 2 and 3, the rotating shaft 12 is a rotating shaft 12 made of metal.

The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but is intended to cover all equivalent modifications, direct or indirect, as would be included in the scope of the utility model.

Claims (10)

1. The utility model provides a cable rolling and release for winch, includes support, rim plate and pivot are all rotated and are installed on the support, be in the same place through gear fit between rim plate and the pivot, its characterized in that still includes friction fender tab, ratchet, friction nut, pawl and torsional spring, friction fender tab fixed set up in the pivot, the ratchet cover is located in the pivot, friction nut install in through threaded connection's mode in the pivot, the ratchet is located between friction fender tab and the friction nut, the pawl pass through the torsional spring install in on the support, the pawl is used for with the ratchet contact.

2. The rope reeling and releasing device for winch according to claim 1, further comprising a friction plate, wherein the friction plate is sleeved on the rotating shaft, and the friction plate is located between the ratchet wheel and the friction nut.

3. The rope winding and releasing device for the winch according to claim 1, wherein a baffle is arranged on the rotating shaft, a spring is sleeved on the rotating shaft, one end of the spring abuts against the baffle, and the other end of the spring abuts against the friction nut.

4. The rope reeling and releasing apparatus for winch according to claim 3, wherein the blocking piece is mounted on the rotating shaft by bolts.

5. The rope reeling and releasing device for winch according to claim 4, further comprising a positioning sleeve, wherein the positioning sleeve is arranged at one end of the rotating shaft, a part of the bolt is positioned in the positioning sleeve, and the spring is positioned outside the positioning sleeve.

6. A winch cable take-up and release device according to claim 3, wherein the spring is located within the friction nut.

7. The rope reeling and releasing device for winch according to claim 4, wherein a spacer is provided between the bolt and the blocking piece.

8. The rope winding and releasing device for winch according to claim 1, wherein the rotating shaft is in a parallel and non-contact state with the central axis of the wheel disc.

9. The rope winding and releasing device for a winch according to claim 1, wherein a bearing is provided between the rotating shaft and the bracket.

10. The rope winding and releasing device for a winch according to claim 1, wherein the rotating shaft is a rotating shaft made of metal.

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