CN219429590U - Anti-falling slow winch - Google Patents

Abstract

The utility model relates to an anti-falling slow winch which comprises a frame, a reduction gearbox, a winding drum, a rotating shaft, a braking device and a braking seat, wherein the braking device comprises stop plates, grooves and limiting pieces, the grooves are uniformly arranged on the circumferential surface of the rotating shaft at intervals along the ring shape, each groove is rotationally connected with the stop plate, each stop plate is in a pawl shape, the limiting piece is arranged inside the rotating shaft and is in sliding connection with the stop plate, the braking seat comprises a fixed inner ratchet wheel, the inner ratchet wheel is matched with the stop plate, and the rotating shaft penetrates through the inner ratchet wheel. The rotating shaft can generate centrifugal force to enable the stop piece in the braking device on the rotating shaft to be outwards displayed, the displayed stop piece can be clamped in the groove between the inner ratchet pawls of the braking seat, the rotating shaft is enabled to stop rotating, the heavy object is enabled to stop falling, and the falling injury of the heavy object can be prevented.

Description

Anti-falling slow winch

Technical Field

The utility model relates to the technical field of traction transportation, in particular to a falling-preventing slow winch.

Background

The hoist is a small and light hoisting device, also called winch, for hoisting or pulling heavy objects by winding steel wire ropes or chains by using reels. The hoist may vertically lift, horizontally or obliquely drag the weight. The winch is divided into a manual winch, an electric winch and a hydraulic winch. The electric hoist is used as the main part. The rope winding device can be used alone, and can also be used as a component part in hoisting, road building, mine hoisting and other machines, and the rope winding device is widely applied due to simple operation, large rope winding quantity and convenient displacement. The device is mainly applied to lifting or flat dragging of materials of buildings, hydraulic engineering, forestry, mines, yards and the like.

In the prior art, if the condition such as meeting outage is in working processes such as lifting heavy objects to the hoist, if no insurance structure exists, heavy objects can be caused to directly fall, even equipment can directly fall or fall, casualties and equipment damage are easily caused, and in order to prevent the falling of heavy objects and equipment under the condition of outage, an insurance structure is needed to protect the equipment and the heavy objects so as to prevent the casualties and protect personal and property safety.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a falling-preventing slow winch so as to solve the technical problems.

The technical scheme of the utility model is realized as follows: the utility model provides a prevent slow winch that falls, includes frame, reducing gear box, reel, pivot, still includes brake equipment and brake block, brake equipment includes stop sheet, recess, locating part, the recess is offered on the periphery of pivot along annular even interval, all rotate in every recess and be connected with the stop sheet, the stop sheet is pawl form, the locating part sets up inside the pivot and with stop sheet sliding connection, the brake block includes fixed interior ratchet, interior ratchet cooperatees with the stop sheet, the pivot runs through in interior ratchet.

Through adopting above-mentioned technical scheme, when the hoist engine is in the working process that promotes the heavy object if meet circumstances such as outage, can slow down and stagnate in the sky to the object that will fall, avoid the heavy object directly to fall, because the speed is very fast, the on-the-spot personnel life safety is threatened easily to the direct falling, brake equipment's setting, enable the pivot in quick pivoted in-process, because the effect of centrifugal force, the piece pops out the card and goes into between the inner ratchet pawl, force the pivot to stop rotating, slow down, hold the heavy object that falls, protect equipment and heavy object, in order to prevent to cause casualties, protection personal property safety.

The utility model is further provided with: the brake device further comprises a sliding groove, the sliding groove penetrates through the stop piece along the axial direction, the limiting piece further comprises a limiting groove, a sliding block, a fixed block, a limiting rod, a limiting block and a limiting elastic piece, the limiting groove is formed in the axial direction and is uniformly distributed in the circumferential direction, the fixed block is fixed in a limiting notch, the limiting rod is slidably connected in the fixed block, one end of the limiting rod, located in the limiting groove, is a limiting block, the other end of the limiting rod is a sliding block, the sliding block slides in the sliding groove, and the limiting elastic piece is located between the fixed block and the limiting block.

Through adopting above-mentioned technical scheme, when brake equipment's shut down piece is outwards turned over because of centrifugal force, the range of its turning over is decided by the length of sliding tray, there is spacing elastic component to be connected between fixed block and the stopper that is located the spacing inslot, and when the shut down piece breaks away from between the pawl of interior ratchet and not receive centrifugal force to act on, spacing elastic component can pull back the shut down piece, make the shut down piece get back to in the recess, realize the reset of shut down piece, can also prevent that the shut down piece from being in the bottom when turning over to the lowest place, the shut down piece is outwards turned over because of gravity is automatic, brake equipment when not needing, produce harmful effects to the normal operating of equipment.

The utility model is further provided with: the frame is still including preventing empting device and damper groove, prevent empting device and include mounting panel, shock attenuation guide arm, shock attenuation elastic component and movable block, the mounting panel is used for installing the reel in the frame, the damper groove is seted up inside the frame, the shock attenuation guide arm runs through the frame surface and slides in the damper groove, the one end that the shock attenuation guide arm is located the damper groove is equipped with the movable block, other end fixed connection mounting panel, the shock attenuation elastic component twines on the shock attenuation guide arm that slides respectively inside and outside the frame.

Through adopting above-mentioned technical scheme, after the heavy object of whereabouts suddenly brakes, the pulling force that produces in the twinkling of an eye can give the mounting panel a force that breaks away from the frame, and anti-toppling device can give a reverse direction's force to the force that the mounting panel received suddenly through shock attenuation elastic component, plays a cushioning effect, has reduced equipment and has received pulling force homeopathic and toppled over or mounting panel and frame fracture split into two possibility.

The utility model is further provided with: still include guiding mechanism, guiding mechanism includes screw rod groove, screw rod and guider, the screw rod groove is seted up in the frame, sets up the direction and is parallel with the reel the screw rod rotates to be connected in the screw rod groove, guider rotates with the screw rod to be connected, guider includes leading wheel and leading truck, the leading wheel rotates to be connected on the leading truck.

Through adopting above-mentioned technical scheme, guiding mechanism can play a guiding effect to the haulage rope, and guiding mechanism's horizontal regulation passes through the removal realization of guider on the screw rod, and the rotation drive guider of screw rod removes in the screw rod inslot, and the rotation of screw rod passes through adjustment handle realization, and above-mentioned setting can prevent that the haulage rope from leading to the equipment to the axial force that guiding mechanism played from taking place to incline, perhaps the haulage rope winding on the reel.

The utility model is further provided with: the guiding device comprises a telescopic cavity and a telescopic end, the telescopic cavity is perpendicular to one end of the rack, which is provided with a reduction gearbox, the telescopic end slides in the telescopic cavity, the telescopic cavity is further evenly provided with adjusting holes, one end of the telescopic end, which is close to the telescopic cavity, is provided with positioning holes, the adjusting holes and the positioning holes are positioned through bolts, and the guiding wheels are located at one end of the telescopic end, which is far away from the telescopic cavity.

Through adopting above-mentioned technical scheme, can realize the regulation of leading wheel height on the guider, the height of leading wheel is realized through adjusting the lift of flexible end in flexible intracavity, and its lift is realized through the locating hole that makes on the flexible end corresponds the different regulation holes on the flexible chamber to screw up the location through the bolt, can make guider can be applicable to more occasions and different suitable environment, improved guider's result of use.

The utility model is further provided with: baffles are further fixedly arranged on two sides of the winding drum, and the diameters of the baffles are larger than that of the winding drum.

Through adopting above-mentioned technical scheme, the baffle of reel both sides is greater than the purpose of reel and can carry out a spacing effect to the haulage rope on the reel, prevents to break away from the reel when the haulage rope twines.

The utility model is further provided with: the two brake seats and the two brake devices are respectively positioned at two sides of the winding drum.

Through adopting above-mentioned technical scheme, brake equipment is equipped with two and is located the reel both sides, can ensure the effect of brake function, prevents that the piece from breaking up the possibility when receiving strong force suddenly, has guaranteed the security of equipment and the realization of brake function.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic perspective view a of a hoist according to an embodiment of the present utility model;

FIG. 2 is a schematic perspective view b of a hoist according to an embodiment of the present utility model;

FIG. 3 is an enlarged partial perspective view of a hoist A according to an embodiment of the present utility model;

FIG. 4 is a partial cross-sectional view of a hoist brake apparatus in accordance with an embodiment of the present utility model;

FIG. 5 is a cross-sectional view of a winch anti-toppling device according to an embodiment of the present utility model;

fig. 6 is an enlarged partial cross-sectional view of the hoist anti-toppling device B according to an embodiment of the present utility model.

Reference numerals: 10. a frame; 20. a reduction gearbox; 30. a reel; 40. a rotating shaft; 100. a brake device; 101. a stop sheet; 102. a groove; 110. a brake seat; 111. an inner ratchet; 120. a limiting piece; 121. a limit groove; 122. a sliding block; 123. a fixed block; 124. a limit rod; 125. a limiting block; 126. a limit elastic member; 200. a sliding groove; 300. an anti-toppling device; 301. a mounting plate; 302. damping guide rod; 303. a damping elastic member; 304. a moving block; 310. a damping groove; 400. a guide mechanism; 401. a screw groove; 402. a screw; 410. a guide device; 411. a guide wheel; 412. a guide frame; 413. a telescopic chamber; 414. a telescoping end; 415. an adjustment aperture; 416. positioning holes; 500. and a baffle.

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.

As shown in fig. 1 to 6, the present utility model discloses a falling-preventing slow-speed hoist, which is constructed such that a heavy object to be lifted is fixed at one end of a traction rope, a motor is started to operate the hoist, the motor is decelerated in a plurality of stages by a reduction gearbox 20 and then outputs a rotational speed to a drum 30, the drum 30 winds and shortens the traction rope to lift the heavy object, at this time, when the heavy object suddenly loses upward traction to rapidly drop down, a rotating shaft 40 is caused to rapidly rotate, the rotating shaft 40 rapidly rotates, centrifugal force is generated by the rotating shaft 40 to cause a stop piece 101 in a braking device 100 on the rotating shaft 40 to be outwardly developed, the developed stop piece 101 is caught in a groove between inner ratchet wheel 111 pawls of a brake seat 110, the rotating shaft 40 stops rotating, the heavy object stops falling, wherein the rotating shaft 40 does not cause the stop piece 101 on the rotating shaft 40 to be caught between the inner ratchet wheel 111 pawls even if the pulling speed is rapid in the process of driving the heavy object to rise, the brake device 100 further comprises a limiting piece 120 for realizing automatic reset of the stop piece 101 by the direction of the inner ratchet wheel 111 pawls only when the weight descends and the speed is too fast, sliding connection is realized by a sliding block 122 in a sliding groove 200 of the stop piece 101, a limiting rod 124 slides in the limiting groove 121 for realizing abduction and reset of the stop piece 101, a limiting elastic piece 126 is further used for connecting a fixing block 123 and a limiting block 125, after the winch normally operates, the stop piece 101 is separated from a clamping groove between the inner ratchet wheel 111 pawls and reset by the elastic piece, and meanwhile, the stop piece 101 under the condition that the rotating shaft 40 rotates to the lower side due to the influence of gravity is automatically abducted, so that the functions can prevent the weight from falling to hurt people and increase the safety of a working place.

In the embodiment of the present utility model, a damping slot 310 is further formed on the surface of the frame 10 for installing the anti-toppling device 300, the bottom of the mounting plate 301 for fixing the position of the winding drum 30 is slipped inside the damping slot 310, the damping guide rod 302 extending from the bottom of the mounting plate 301 is slipped inside the damping slot 310, a fast moving part is disposed at the bottom of the damping guide rod 302, in order to limit the damping guide rod 302 and prevent the damping guide rod 302 from being separated from the damping slot 310, a damping elastic member 303 is wound between two ends of the damping guide rod 302 and the frame 10, when a heavy object falls rapidly, the winding drum 30 and the mounting plate 301 are subjected to upward pulling force to try to separate the winding drum from the frame 10, wherein the damping spring can play a role of buffering to reduce the pulling force applied instantaneously, once the winch body is not installed at a low place, the winch falls easily from a high place, injury is easily caused, and the anti-toppling device 300 above can reduce the force applied by the sudden falling of the winch, and the possibility that the heavy object falls down smoothly or the mounting plate 301 and the frame 10 breaks into two parts.

In the embodiment of the utility model, the guiding mechanism 400 guides the traction rope in the winding process, the axial force of the traction rope to the winding drum 30 can lead the equipment to incline, the traction rope on the winding drum 30 is wound, the horizontal position of the guiding device 410 in the groove 401 of the screw 402 drives the guiding device 410 to move on the screw 402 through the adjusting handle to adjust, the height of the guiding wheel 411 on the guiding device 410 can be adjusted through the movement of the telescopic end 414 in the telescopic cavity 413, the lifting and the fixing of the guiding device are adjusted through the positioning hole 416 on the telescopic end 414 and the plurality of vertically distributed adjusting holes 415 on the telescopic cavity 413, the two holes are penetrated and positioned through by bolts, and different adjusting holes 415 correspond to different heights, so that the universality of the equipment can be improved, the device is suitable for the situation of needing different guiding positions, and the use effect of the guiding device 410 is improved

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (7)

1. The utility model provides a prevent slow winch that falls, includes frame (10), reducing gear box (20), reel (30), pivot (40), its characterized in that: still include brake equipment (100) and brake pad (110), brake equipment (100) are including stopping piece (101), recess (102), locating part (120), recess (102) are offered on the periphery of pivot (40) along annular even interval, all rotate in every recess (102) and be connected with stopping piece (101), stopping piece (101) are pawl form, locating part (120) set up inside pivot (40) and with stopping piece (101) sliding connection, brake pad (110) are including fixed interior ratchet (111), interior ratchet (111) cooperate with stopping piece, pivot (40) run through in interior ratchet (111).

2. The anti-falling slow winch according to claim 1, wherein: the brake device (100) further comprises a sliding groove (200), the sliding groove (200) penetrates through the stop plate (101) along the axial direction, the limiting piece (120) further comprises a limiting groove (121), a sliding block (122), a fixed block (123), a limiting rod (124), a limiting block (125) and a limiting elastic piece (126), the limiting groove (121) is formed in the axis direction and is uniformly distributed in the circumferential direction, the fixed block (123) is fixed to the opening of the limiting groove (121), the limiting rod (124) is slidably connected in the fixed block (123), one end of the limiting rod (124) located in the limiting groove (121) is a limiting block (125), the other end of the limiting rod is a sliding block (122), and the sliding block (122) slides in the sliding groove (200), and the limiting elastic piece (126) is located between the fixed block (123) and the limiting block (125).

3. The anti-falling slow winch according to claim 1, wherein: the frame (10) is still including preventing empting device (300) and shock attenuation groove (310), prevent empting device (300) including mounting panel (301), shock attenuation guide arm (302), shock attenuation elastic component (303) and movable block (304), mounting panel (301) are used for mounting reel (30) on frame (10), shock attenuation groove (310) are seted up inside frame (10), shock attenuation guide arm (302) run through frame (10) surface and slide in shock attenuation groove (310), one end that shock attenuation guide arm (302) are located shock attenuation groove (310) is equipped with movable block (304), and other end fixed connection mounting panel (301), shock attenuation elastic component (303) twine on shock attenuation guide arm (302) that slide respectively in frame (10) inside and outside.

4. The anti-falling slow winch according to claim 1, wherein: still include guiding mechanism (400), guiding mechanism (400) include screw rod groove (401), screw rod (402) and guider (410), screw rod groove (401) are seted up on frame (10), offer the direction and reel (30) are parallel screw rod (402) rotate and are connected in screw rod groove (401), guider (410) are connected with screw rod (402) rotation, guider (410) are including leading wheel (411) and leading truck (412), leading wheel (411) rotate and are connected on leading truck (412).

5. The anti-falling slow winch according to claim 4, wherein: the guiding device is characterized in that the guiding device (410) comprises a telescopic cavity (413) and a telescopic end (414), the telescopic cavity (413) is perpendicular to one end of the rack (10), which is provided with a reduction gearbox (20), the telescopic end (414) slides in the telescopic cavity (413), the telescopic cavity (413) is further evenly provided with adjusting holes (415), one end of the telescopic end (414) close to the telescopic cavity (413) is provided with positioning holes (416), the adjusting holes (415) and the positioning holes (416) are positioned through bolts, and the guiding wheel (411) is located at one end of the telescopic end (414) far away from the telescopic cavity (413).

6. The anti-falling slow winch according to claim 1, wherein: baffles (500) are further fixedly arranged on two sides of the winding drum (30), and the diameter of each baffle (500) is larger than that of the winding drum (30).

7. The anti-falling slow winch according to claim 1, wherein: the two brake seats (110) and the two brake devices (100) are respectively arranged at two sides of the winding drum (30).