CN220976353U - Electric hoist protection mechanism - Google Patents

Abstract

The utility model relates to the technical field of electric hoists and discloses an electric hoist protection mechanism, which comprises a sliding rail, wherein an electric hoist is arranged in the sliding rail in a sliding manner, a steel wire oil rope is arranged on the lower side of the electric hoist, a pulley block is arranged at the bottom of the steel wire oil rope, a pulley is rotatably arranged in the pulley block, the steel wire oil rope is arranged on the outer side of the pulley in a sliding manner, connecting shafts are fixedly arranged on two sides of the bottom of the pulley block, a lifting structure is arranged at the bottom of the connecting shafts, and the novel electric hoist protection mechanism solves the problems of shaking of a lifting hook and unhooking of goods caused by movement of the lifting rope and is more practical.

Description

Electric hoist protection mechanism

Technical Field

The utility model relates to the technical field of electric hoists, in particular to an electric hoist protection mechanism.

Background

Electric hoist: the special hoisting equipment is arranged on a crown block (an electric single-beam bridge crane) and a gantry crane (an electric hoist gantry crane), the electric hoist has the characteristics of small volume, light dead weight, simple operation, convenient use and the like, is used in places such as industrial and mining enterprises, storage wharfs and the like, is used in places with small hoisting capacity, and is usually in a hoisting trolley mode under the hoisting working condition of more than 25t, and a protection mechanism is arranged outside the electric hoist, so that the safety in use can be improved, and the service life of the device is prolonged.

The existing electric hoist can cause the bottom lifting hook to shake due to the movement of the lifting rope and the transfer influence during the rotation and lifting when lifting the heavy object, so that the stability of the crane is influenced, and when the shaking amplitude is overlarge, the conditions of unhooking, falling and the like of the lifted object can be possibly caused, the safety of on-site workers is influenced, the lifted object can be damaged due to falling, and the economic loss is caused.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an electric hoist protection mechanism, which solves the problems.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electric block protection machanism, includes the slide rail, the inside slidable mounting of slide rail has electric block, electric block's downside is provided with wire rope, wire rope's bottom is provided with the pulley block, the inside rotation of pulley block installs the pulley, the outside of pulley is slided and is installed wire rope, the equal fixed mounting in bottom both sides of pulley block has the connecting axle, the bottom of connecting axle is provided with hoisting structure.

Preferably, sliding blocks are slidably arranged at positions, corresponding to the steel wire ropes, on two sides of the bottom of the electric hoist, and sliding grooves are formed in the positions, corresponding to the steel wire ropes, of the inner parts of the sliding blocks.

Preferably, the lifting structure comprises a bearing seat, lifting blocks, torsion springs and clamping structures, wherein the bottoms of the connecting shafts penetrate through two sides of the bearing seat, the lifting blocks are hinged to the inside of the bearing seat, the torsion springs are sleeved at the hinged positions of the lifting blocks and the bearing seat, and the clamping structures are arranged at the tops of the lifting blocks.

Preferably, the bottom threaded connection of connecting axle has the fixing base, the draw-in groove has been seted up to the bottom of bearing the weight of the seat position that corresponds the fixing base, the fixing base is pegged graft and is installed inside the draw-in groove.

Preferably, the clamping structure comprises a clamping seat, rope grooves, arc grooves and arc blocks, the rope grooves are formed in the top of the clamping seat, the arc grooves are formed in two sides of the top of each rope groove, and the arc blocks are hinged to the inner portions of the arc grooves.

Preferably, the clamping seat is integrally concave, and the bottom of the rope groove is arc-shaped.

Preferably, a clamping block is fixedly arranged on the arc block on one side, a clamping groove is formed in the arc block on the other side, and the clamping block and the clamping groove are clamped and installed together.

(III) beneficial effects

Compared with the prior art, the utility model provides an electric hoist protection mechanism, which has the following beneficial effects:

1. This electric block protection machanism, when using, lift the lifting block, locate the lifting rope cover back on the carrier seat, the torsional spring can drive the lifting block and reset, later place the lifting rope at clamp structure inside can, can effectively avoid the lifting rope unhook and the goods that leads to fall when using, safer.

2. This electric block protection machanism, when using, accessible dismantles the fixing base and come to pull up the whole dismantlement of hanging structure, use when being more convenient for maintain or change to the joint groove that corresponds the fixing base has been seted up to the bottom that bears the seat, can effectively strengthen the connecting axle and bear the connection between the seat when using, and is more firm.

3. This electric block protection machanism, when using, place the lifting rope inside the rope groove of seting up at the grip slipper top, be curved rope groove laminating lifting rope more to can avoid the lifting rope to rock about, later press down one side arc piece of seting up the joint groove earlier, press down the opposite side arc piece, with joint piece joint inside the joint groove, accomplish the fixed to the lifting rope, can effectively avoid rocking because of the lifting rope slides the lifting object that causes when the transportation, safer.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a lifting structure according to the present utility model;

FIG. 3 is an enlarged schematic view of a portion of the utility model at A in FIG. 2;

Fig. 4 is a schematic view of a fixing base of the present utility model.

In the figure: 1. a slide rail; 2. an electric hoist; 3. a wire rope; 4. a pulley block; 5. a pulley; 6. a connecting shaft; 7. a lifting structure; 8. a sliding block; 9. a chute; 10. a bearing seat; 11. lifting blocks; 12. a torsion spring; 13. a clamping structure; 14. a fixing seat; 15. a clamping groove; 16. a clamping seat; 17. rope grooves; 18. an arc groove; 19. an arc block; 20. a clamping block; 21. and a clamping groove.

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. 1-4, an electric hoist protection mechanism comprises a sliding rail 1, an electric hoist 2 is slidably mounted in the sliding rail 1, a steel wire oil rope 3 is arranged on the lower side of the electric hoist 2, a pulley block 4 is arranged at the bottom of the steel wire oil rope 3, a pulley 5 is rotatably mounted in the pulley block 4, the steel wire oil rope 3 is slidably mounted on the outer side of the pulley 5, connecting shafts 6 are fixedly mounted on two sides of the bottom of the pulley block 4, and a hoisting structure 7 is arranged at the bottom of the connecting shafts 6.

Further, sliding blocks 8 are slidably mounted on the positions, corresponding to the steel wire ropes 3, on two sides of the bottom of the electric hoist 2, sliding grooves 9 are formed in the positions, corresponding to the steel wire ropes 3, of the inner portions of the sliding blocks 8, when the electric hoist 2 is used for laying down the steel wire ropes 3, the sliding blocks 8 can slide at the bottom of the electric hoist 2 along with the movement of the steel wire ropes 3, the steel wire ropes 3 stably fall down at a uniform speed through the sliding grooves 9, and shaking caused when the steel wire ropes 3 are laid down or tightened can be effectively avoided.

Further, the lifting structure 7 comprises a bearing seat 10, lifting blocks 11, torsion springs 12 and clamping structures 13, the bottoms of the connecting shafts 6 penetrate through the two sides of the bearing seat 10, the lifting blocks 11 are hinged to the inside of the bearing seat 10, the torsion springs 12 are sleeved at the hinged positions of the lifting blocks 11 and the bearing seat 10, the clamping structures 13 are arranged at the tops of the lifting blocks 11, when the lifting structure is used, the lifting blocks 11 are lifted, lifting ropes are sleeved on the bearing seat 10, the torsion springs 12 can drive the lifting blocks 11 to reset, then the lifting ropes are placed inside the clamping structures 13, and falling of goods caused by unhooking of the lifting ropes can be effectively avoided when the lifting structure is used, so that the lifting structure is safer.

Further, the bottom threaded connection of connecting axle 6 has fixing base 14, and draw-in groove 15 has been seted up to the position that the bottom of bearing seat 10 corresponds fixing base 14, and fixing base 14 grafting is installed inside draw-in groove 15, and when using, the accessible dismantles fixing base 14 come with lifting by crane structure 7 whole and tear down, uses when being more convenient for maintain or change to bearing seat 10's bottom has been seted up the draw-in groove 15 that corresponds fixing base 14, can effectively strengthen the connecting axle 6 and bear between the seat 10 when using and be connected, and is more firm.

Further, the clamping structure 13 comprises a clamping seat 16, rope grooves 17, arc grooves 18 and arc blocks 19, the rope grooves 17 are formed in the top of the clamping seat 16, the arc grooves 18 are formed in two sides of the top of the rope grooves 17, and the arc blocks 19 are hinged to the inner portions of the arc grooves 18.

Further, the clamping seat 16 is integrally concave, and the bottom of the rope groove 17 is arc-shaped.

Further, the clamping block 20 is fixedly installed on the one side arc block 19, the clamping groove 21 is formed in the position, corresponding to the clamping block 20, on the other side arc block 19, the clamping block 20 and the clamping groove 21 are clamped and installed together, when the lifting rope is placed inside the rope groove 17 formed in the top of the clamping seat 16, the arc-shaped rope groove 17 is more attached to the lifting rope, the lifting rope can be prevented from shaking left and right, the one side arc block 19 with the clamping groove 21 is firstly pressed down, the clamping block 20 is clamped inside the clamping groove 21 when the other side arc block 19 is pressed down, the fixing of the lifting rope is completed, the lifting rope caused by sliding of the lifting rope can be effectively avoided during transportation, and the lifting rope is safer.

Instructions for use

When the electric hoist 2 is started to drive the steel wire rope 3 to fall firstly, when the electric hoist 2 is used for laying down the steel wire rope 3, the sliding block 8 can slide at the bottom of the electric hoist 2 along with the movement of the steel wire rope 3, the steel wire rope 3 stably falls down at a uniform speed through the sliding groove 9, the shaking caused when the steel wire rope 3 is laid down or tightened up can be effectively avoided, the lifting block 11 is lifted afterwards, the lifting rope is sleeved on the bearing seat 10, the torsion spring 12 can drive the lifting block 11 to reset, the lifting rope is placed in the rope groove 17 formed in the top of the clamping seat 16, the arc groove 17 is more attached to the lifting rope, the left and right shaking of the lifting rope can be avoided, the arc block 19 on one side of the clamping groove 21 is firstly pressed down, the arc block 20 on the other side is clamped inside the clamping groove 21, the fixing of the lifting rope is completed, the shaking of a lifted object caused by the sliding of the lifting rope can be effectively avoided during transportation, and the lifting rope is safer.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an electric block protection machanism, includes slide rail (1), the inside slidable mounting of slide rail (1) has electric block (2), the downside of electric block (2) is provided with wire rope (3), the bottom of wire rope (3) is provided with pulley block (4), pulley (5) are installed in the inside rotation of pulley block (4), wire rope (3) are installed in the outside sliding of pulley (5), its characterized in that: the pulley block is characterized in that connecting shafts (6) are fixedly mounted on two sides of the bottom of the pulley block (4), and a hoisting structure (7) is arranged at the bottom of the connecting shafts (6).

2. The electric hoist protection mechanism of claim 1, characterized in that: sliding blocks (8) are slidably arranged at positions, corresponding to the steel wire oil ropes (3), on two sides of the bottom of the electric hoist (2), and sliding grooves (9) are formed in the positions, corresponding to the steel wire oil ropes (3), inside the sliding blocks (8).

3. The electric hoist protection mechanism of claim 1, characterized in that: lifting structure (7) are including bearing seat (10), lifting block (11), torsional spring (12) and clamping structure (13), the both sides of bearing seat (10) are run through to the bottom of connecting axle (6), the inside articulated lifting block (11) of installing of bearing seat (10), the articulated department cover of lifting block (11) and bearing seat (10) is equipped with torsional spring (12), the top of lifting block (11) is provided with clamping structure (13).

4. The electric hoist protection mechanism of claim 3, wherein: the bottom threaded connection of connecting axle (6) has fixing base (14), draw-in groove (15) have been seted up to the bottom of bearing seat (10) corresponding to the position of fixing base (14), fixing base (14) are pegged graft and are installed inside draw-in groove (15).

5. The electric hoist protection mechanism of claim 3, wherein: the clamping structure (13) comprises a clamping seat (16), rope grooves (17), arc grooves (18) and arc blocks (19), the rope grooves (17) are formed in the top of the clamping seat (16), the arc grooves (18) are formed in two sides of the top of the rope grooves (17), and the arc blocks (19) are hinged to the inner portions of the arc grooves (18).

6. The electric hoist protection mechanism of claim 5, characterized in that: the clamping seat (16) is integrally concave, and the bottom of the rope groove (17) is arc-shaped.

7. The electric hoist protection mechanism of claim 5, characterized in that: one side is fixedly provided with a clamping block (20) on the arc block (19), the other side is provided with a clamping groove (21) corresponding to the clamping block (20) on the arc block (19), and the clamping block (20) and the clamping groove (21) are clamped and installed together.