CN220223369U - Anti-falling device for electric hoist - Google Patents

Abstract

The utility model discloses an anti-falling device of an electric hoist, which relates to the field of hoisting equipment and comprises a circular tubular cross beam, wherein a lifting lug is fixedly arranged below the middle section of the cross beam, the electric hoist is hung on the lifting lug, an anti-falling mechanism is arranged on the cross beam and comprises two movable sleeves which are arranged on the cross beam in a sliding manner, the two movable sleeves are respectively positioned at two sides of the lifting lug, the two movable sleeves are connected through two buffers, and the two buffers are respectively positioned at two sides of the cross beam; the lower part of the movable sleeve is provided with a movable groove, an anti-falling belt is arranged in the movable groove, one end of the anti-falling belt is fixedly connected with the electric hoist, and the other end of the anti-falling belt is fixedly provided with an anti-falling rod; the cross beam is also fixedly provided with an anti-falling tray. The beneficial effects of the utility model are as follows: the electric hoist can be prevented from falling when the lifting hook falls off, and the electric hoist can be pulled instantly when the electric hoist falls off, so that the electric hoist can not fall down, the occurrence of safety accidents is avoided, and the personal safety of staff in a workshop is ensured.

Description

Anti-falling device for electric hoist

Technical Field

The utility model relates to the field of hoisting equipment, in particular to an anti-falling device of an electric hoist.

Background

Ton bags are a type of flexible transport packaging container. The waterproof and dustproof radiation-resistant waterproof cloth has the advantages of being firm and safe, and has enough strength structurally. The flexible freight bags are convenient to assemble, disassemble and transport, so that the assembling and disassembling efficiency is obviously improved, and the flexible freight bags are developed rapidly in recent years. The packaging device is widely used for packaging powdery, granular and blocky articles in feed processing.

In feed production, when the ton bag is needed, the ton bag is lifted to a certain height by an electric hoist, an operator unlocks a discharge hole below the ton bag, and materials in the ton bag enter a feed inlet of feed production equipment through the discharge hole.

In workshops, electric hoist is fixed on workshop top crossbeam through wire rope generally, and long-time operation wire rope wearing and tearing or tired have fracture potential safety hazard, and after wire rope fracture, ton bag and the electric hoist that fall also can smash the staff.

Disclosure of Invention

Aiming at the technical problems, the utility model provides an anti-falling device of an electric hoist.

The technical scheme includes that the anti-falling device comprises a circular tubular cross beam, a lifting lug is fixedly arranged below the middle section of the cross beam, an electric hoist is hung on the lifting lug, an anti-falling mechanism is arranged on the cross beam, the anti-falling mechanism comprises two movable sleeves which are arranged on the cross beam in a sliding manner, the two movable sleeves are respectively positioned on two sides of the lifting lug, the two movable sleeves are connected through two buffers, and the two buffers are respectively positioned on two sides of the cross beam;

the lower part of the movable sleeve is provided with a movable groove, an anti-falling belt is arranged in the movable groove, one end of the anti-falling belt is fixedly connected with the electric hoist, and the other end of the anti-falling belt is fixedly provided with an anti-falling rod;

and an anti-falling tray is fixedly arranged on the cross beam.

Preferably, the anti-falling tray comprises a rectangular frame type underframe, and a plurality of cross bars are arranged on a frame body of the underframe in an array manner;

the anti-falling tray comprises a cross beam, a plurality of upright posts are fixedly arranged on a frame body of the bottom frame, a railing is fixedly arranged at the upper ends of the upright posts, connecting frames in an inverted V shape are fixedly arranged at the two ends of the railing, a pipe clamp is fixedly arranged at the closed end of each connecting frame, and the anti-falling tray is fixedly connected with the cross beam through the pipe clamp.

Preferably, the pipe clamp comprises two semicircular clamping pieces which are oppositely arranged, one of the semicircular clamping pieces is fixedly connected with the connecting frame, two connecting pieces are fixedly arranged at two ends of the opening end of each clamping piece respectively, through holes are formed in the middle of the connecting pieces, and the two clamping pieces are fixedly connected through bolts penetrating through the connecting pieces.

Preferably, the buffer comprises a fixed rod rotationally connected with one of the movable sleeves, the middle part of the fixed rod is sleeved with the movable rod, one end of the movable rod is rotationally connected with the other movable sleeve, the outer side of the fixed rod is sleeved with a spring, and two ends of the spring are respectively fixedly connected with the fixed rod and the movable rod.

The technical scheme provided by the embodiment of the utility model has the beneficial effects that: the electric hoist can be prevented from falling when the lifting hook falls off, and the electric hoist can be pulled instantly when the electric hoist falls off, so that the electric hoist can not fall down, the occurrence of safety accidents is avoided, and the personal safety of staff in a workshop is ensured.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of an electric hoist and an anti-falling mechanism according to an embodiment of the present utility model.

FIG. 3 is a schematic view of a movable sleeve and a buffer according to an embodiment of the present utility model.

Fig. 4 is a schematic structural view of an anti-falling tray according to an embodiment of the present utility model.

Fig. 5 is an enlarged schematic view of a portion a of fig. 4.

Wherein, the reference numerals are as follows: 1. a cross beam; 2. lifting lugs; 3. an electric hoist; 4. an anti-falling mechanism; 5. a movable sleeve; 6. a buffer; 7. a movable groove; 8. an anti-falling belt; 9. an anti-drop rod; 10. an anti-falling tray; 11. a chassis; 12. a cross bar; 13. a column; 14. railing; 15. a connecting frame; 16. a pipe clamp; 17. a clamping piece; 18. a fixed rod; 19. a movable rod; 20. and (3) a spring.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. Of course, the specific embodiments described herein are for purposes of illustration only and are not intended to limit the utility model.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the utility model, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present utility model can be understood by those of ordinary skill in the art in a specific case.

Example 1

Referring to fig. 1 to 5, the utility model provides an anti-falling device of an electric hoist, which comprises a circular tubular cross beam 1, wherein a lifting lug 2 is fixedly arranged below the middle section of the cross beam 1, the electric hoist 3 is hung on the lifting lug 2, an anti-falling mechanism 4 is arranged on the cross beam 1, the anti-falling mechanism 4 comprises two movable sleeves 5 which are arranged on the cross beam 1 in a sliding manner, and the two movable sleeves 5 are respectively positioned at two sides of the lifting lug 2

The lower part of the movable sleeve 5 is provided with a movable groove 7, an anti-falling belt 8 is arranged in the movable groove 7, one end of the anti-falling belt 8 is fixedly connected with the electric hoist 3, and the other end is fixedly provided with an anti-falling rod 9; the diameter of the anti-falling rod 9 is larger than the width of the movable groove 7, the anti-falling rod 9 can prevent the anti-falling belt 8 from being separated from the movable sleeve 5, and when the electric hoist 3 falls, the movable sleeve 5 can prevent the electric hoist 3 from falling through the anti-falling belt 8;

the beam 1 is also fixedly provided with an anti-falling tray 10.

When the anti-falling belt is used, the movable sleeve 5 prevents the electric hoist 3 from falling through the anti-falling belt 8 when the electric hoist 3 falls; once the electric hoist 3 falls off, the electric hoist 3 is pulled by the anti-falling belt 8, so that the electric hoist cannot fall off.

Example 2

On the basis of the embodiment 1, two movable sleeves 5 are connected through two buffers 6, and the two buffers 6 are respectively positioned on two sides of the cross beam 1;

the buffer 6 comprises a fixed rod 18 rotationally connected with one movable sleeve 5, a movable rod 19 is sleeved in the middle of the fixed rod 18, one end of the movable rod 19 is rotationally connected with the other movable sleeve 5, a spring 20 is sleeved on the outer side of the fixed rod 18, and two ends of the spring 20 are fixedly connected with the fixed rod 18 and the movable rod 19 respectively.

When the electric hoist 3 falls, the anti-falling belt 8 is pulled at first, the anti-falling rod 9 is attached to the movable sleeve 5, at the moment, under the condition of self gravity of the electric hoist 3, the two movable sleeves 5 are pulled continuously to move, at the moment, the two movable sleeves 5 move towards the direction close to each other, and the spring 20 can play a buffering role in the moving process of the two movable sleeves 5, so that the falling speed of the electric hoist 3 is reduced.

Example 3

On the basis of embodiment 1 or 2, the anti-falling tray 10 comprises a rectangular frame type chassis 11, a plurality of cross bars 12 are arranged on the frame body of the chassis 11 in an array manner, steel ropes and remote control wires of the electric hoist 3 naturally droop through gaps between the cross bars 12, a plurality of upright posts 13 are fixedly arranged on the frame body of the chassis 11, the upper ends of the upright posts 13 are fixedly provided with railing 14, two ends of the railing 14 are fixedly provided with inverted V-shaped connecting frames 15, a pipe clamp 16 is fixedly arranged at the closed end of each connecting frame 15, and the anti-falling tray 10 is fixedly connected with the cross beam 1 through the pipe clamp 16.

The pipe clamp 16 comprises two semicircular clamping pieces 17 which are oppositely arranged, wherein one clamping piece 17 is fixedly connected with the connecting frame 15, two ends of the opening end of each clamping piece 17 are respectively fixedly provided with a connecting piece, the middle part of each connecting piece is provided with a through hole, and the two clamping pieces 17 are fixedly connected through bolts penetrating through the connecting pieces.

When electric block falls, prevent weighing down the tray and can carry out the bearing to the electric block that falls, avoid electric block to drop, ensure staff's personal safety in the workshop.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.

Claims (4)

1. The utility model provides an electric block (3) anti-falling device, includes circular tubular crossbeam (1), lug (2) has been fixedly set up in middle section below of crossbeam (1), hang electric block (3) on lug (2), a serial communication port, set up anti-falling mechanism (4) on crossbeam (1), anti-falling mechanism (4) are including sliding two movable sleeve (5) that set up on crossbeam (1), two movable sleeve (5) are located respectively the both sides of lug (2), two connect through two buffer (6) between movable sleeve (5), two buffer (6) are located respectively the both sides of crossbeam (1);

the lower part of the movable sleeve (5) is provided with a movable groove (7), an anti-falling belt (8) is arranged in the movable groove (7), one end of the anti-falling belt (8) is fixedly connected with the electric hoist (3), and the other end of the anti-falling belt is fixedly provided with an anti-falling rod (9);

the beam (1) is also fixedly provided with an anti-falling tray (10).

2. The falling protection device of the electric hoist (3) according to claim 1, characterized in that the falling protection tray (10) comprises a rectangular frame type underframe (11), and a plurality of cross bars (12) are arranged on the frame body of the underframe (11) in an array manner;

the anti-falling tray is characterized in that a plurality of upright posts (13) are fixedly arranged on a frame body of the underframe (11), a railing (14) is fixedly arranged at the upper end of each upright post (13), connecting frames (15) in the shape of an inverted V are fixedly arranged at two ends of each railing (14), a pipe clamp (16) is fixedly arranged at the closed end of each connecting frame (15), and the anti-falling tray (10) is fixedly connected with the cross beam (1) through the pipe clamps (16).

3. The anti-falling device of the electric hoist (3) according to claim 2, characterized in that the pipe clamp (16) comprises two semicircular clamping pieces (17) which are oppositely arranged, one clamping piece (17) is fixedly connected with the connecting frame (15), two connecting pieces are fixedly arranged at two ends of the opening end of each clamping piece (17), a through hole is formed in the middle of each connecting piece, and the two clamping pieces (17) are fixedly connected through bolts penetrating through the connecting pieces.

4. The anti-falling device of the electric hoist (3) according to claim 3, characterized in that the buffer (6) comprises a fixed rod (18) rotationally connected with one of the movable sleeves (5), a movable rod (19) is sleeved in the middle of the fixed rod (18), one end of the movable rod (19) is rotationally connected with the other movable sleeve (5), a spring (20) is sleeved in the outer side of the fixed rod (18), and two ends of the spring (20) are fixedly connected with the fixed rod (18) and the movable rod (19) respectively.