CN212712370U

CN212712370U - Lifting hook for electric hoist

Info

Publication number: CN212712370U
Application number: CN202021093487.XU
Authority: CN
Inventors: 何巧琴
Original assignee: Taizhou Boneng Hoisting Machinery Co ltd
Current assignee: Zhejiang Zhongqi Hoisting Technology Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-03-16
Anticipated expiration: 2030-06-15

Abstract

The utility model discloses a lifting hook for electric block relates to special type lifting equipment field, and it includes the coupler body, and the one end of coupler body opening part is rotated and is connected and be provided with the anticreep pole, and the anticreep pole is provided with the torsional spring that resets after supplying the upset of anticreep pole with the articulated department of coupler body, and the upper end of coupler body is provided with the install bin, is provided with the unhook mechanism of pulling anticreep pole upset in the install bin. The utility model has the advantages of it is following and effect: through setting up simple unhook mechanism, can make the workman more laborsaving when pulling the anticreep pole, and then the workman is more convenient when hanging the heavy object and taking off the heavy object, realizes the effect of quick unhook simultaneously.

Description

Lifting hook for electric hoist

Technical Field

The utility model relates to a special type lifting device field, in particular to lifting hook for electric block.

Background

The electric hoist is a special hoisting device, mainly comprising a motor, a transmission mechanism, a winding drum and the like. A lifting hook is a common type of lifting device in a lifting machine, and an electric hoist is often used for lifting a heavy object by means of the lifting hook mounted thereon.

Chinese patent CN207844860U discloses a lifting hook, including coupler body, rotatory rings and locking lever, the coupler body top is equipped with the ring groove, and the ring groove card is equipped with the notch in the downthehole of rotatory rings bottom, the coupler body, and the notch is inside to be equipped with the rotary rod, and the locking lever top is worn on the rotary rod, and the locking lever top is equipped with reset spring.

In the prior art, when the lifting hook is used each time, a worker needs to pull the locking rod to turn over, so that the unhooking of a heavy object is realized. However, the process of pulling the locking rod to turn over is laborious, so that the unhooking process of the heavy object is inconvenient and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lifting hook for electric block, which has the effect of quick unhooking.

The above technical purpose of the present invention can be achieved by the following technical solutions: a lifting hook for an electric hoist comprises a hook body, wherein one end of the opening of the hook body is rotatably connected with an anti-falling rod, a torsional spring for resetting the anti-falling rod after overturning is arranged at the joint of the anti-falling rod and the hook body, an installation box is arranged at the upper end of the hook body, an anti-falling mechanism for pulling the anti-falling rod to overturn is arranged in the installation box and comprises a sliding rod vertically and slidably connected with the inner wall of the installation box, a reset spring is vertically arranged between the lower end surface of the sliding rod and the bottom wall of the installation box, a poking rod is horizontally arranged on the side wall of the sliding rod, a strip-shaped hole for the poking rod to slide is vertically arranged on the side wall of the installation box, one end of the poking rod, which deviates from the sliding rod, is arranged outside the installation box after penetrating the strip-shaped hole, and a hinge stay rope is arranged at one end of the, the utility model discloses a telescopic sliding rod, including the stay cord, coupler body, connecting hole, through-hole, rubber ring, stay cord, connecting hole, the one side that its open end was aimed at to the coupler body runs through to be provided with the confession the through-hole that the stay cord was worn to establish, the outer wall runs through to be provided with the confession on one side upper end of install bin the connecting hole that the stay cord was worn to establish, the through-hole with the connecting hole inner wall all is provided with the rubber circle, the stay cord is worn to establish be fixed in behind.

Through adopting above-mentioned technical scheme, when the anticreep pole is opened to needs, through pressing the poker rod, and then drive slide bar downstream compression reset spring, the slide bar can drive stay cord synchronous motion on the leading wheel simultaneously to make the stay cord wear to establish the one end pulling anticreep pole in connecting hole and the through-hole and to the upset of coupler body inside, realize opening of anticreep pole. When the anticreep pole was closed to the needs, through loosening the poker rod, the slide bar can restore to the throne under the resilience force effect of torsional spring this moment, and then makes the pulling force that receives on the anticreep pole disappear to the anticreep pole can restore to the throne under the resilience force effect of torsional spring, realizes the closing of anticreep pole. Through setting up simple unhook mechanism, can make the workman more laborsaving when pulling the anticreep pole, and then the workman is more convenient when hanging the heavy object and taking off the heavy object, realizes the effect of quick unhook simultaneously.

The present invention may be further configured in a preferred embodiment as: the inner wall of the hook body is provided with a limiting groove for the anti-falling rod to be embedded after the anti-falling rod deviates from one end of the hinged end of the anti-falling rod.

Through adopting above-mentioned technical scheme, set up the spacing groove through the inner wall at the coupler body, realize the location and spacing of anticreep pole, stability when increase anticreep pole uses.

The present invention may be further configured in a preferred embodiment as: the installation box outer wall is provided with a plurality of confession the hoop that the stay cord was worn to establish to the hoop is located the below of connecting hole one side.

Through adopting above-mentioned technical scheme, through be provided with a plurality of confessions at the install bin outer wall the hoop that the stay cord was worn to establish, and then plays the limiting displacement to the stay cord, avoids the stay cord phenomenon of rocking to appear, increases unhook mechanism's stability in use.

The present invention may be further configured in a preferred embodiment as: the through-hole with the connecting hole inner wall all is provided with the rubber circle.

Through adopting above-mentioned technical scheme, the rubber circle can play the effect of buffering to the stay cord, reduces unhook mechanism and to the wearing and tearing of stay cord in the use, prevents that rupture phenomenon from appearing in the stay cord to the life of increase stay cord.

The present invention may be further configured in a preferred embodiment as: the mounting box up end is provided with the supporting seat, be provided with the locking mechanical system of fixed chain on the supporting seat.

Through adopting above-mentioned technical scheme, when needs install lifting hook on electric block, through opening locking mechanical system, insert locking mechanical system with the chain simultaneously to closing locking mechanical system, realize the installation to lifting hook. When the lifting hook on the electric hoist needs to be detached, the chain is pulled out of the locking mechanism by opening the locking mechanism, so that the lifting hook is detached. Through setting up simple effectual locking mechanical system, reached quick assembly disassembly lifting hook's effect.

The present invention may be further configured in a preferred embodiment as: locking mechanical system including vertical set up in fixing base on the supporting seat, be provided with the embedded groove that supplies the chain link embedding of chain lower extreme on the fixing base, run through on the fixing base and be provided with the intercommunication the locking hole of embedded groove, sliding connection has the locking lever in the locking hole, the locking lever is used for wearing to establish the chain link of chain lower extreme, the one end of locking lever is provided with and is used for conflicting the pull ring of fixing base one side outer wall, and the other end is provided with and is used for supporting tightly the elasticity unsmooth ball of fixing base opposite side outer wall.

Through adopting above-mentioned technical scheme, when locking mechanical system was opened to needs, through pressing down the elasticity protruding ball with it push the locking hole in, pulling pull ring drive locking lever and elasticity protruding ball break away from the embedded groove simultaneously, realized locking mechanical system's unblock. When the locking mechanism needs to be closed, the convex ball is aligned with the locking hole, then the locking rod and the elastic convex ball are driven to move towards the other end by pressing the pull ring, and the elastic convex ball penetrates out of the locking hole and abuts against the outer wall of the other side of the fixed seat tightly, so that the locking of the locking mechanism is realized. The locking mechanism can be opened and closed more conveniently and practically by arranging the locking rod and the convex ball, and meanwhile, the locking mechanism is more stable, so that the lifting hook is prevented from falling off to cause safety accidents.

The present invention may be further configured in a preferred embodiment as: the supporting seat is rotatably connected with the fixed seat.

Through adopting above-mentioned technical scheme, through with the supporting seat with the fixing base rotates to be connected, can realize lifting hook's free rotation, can avoid the chain to take place winding phenomenon in the use simultaneously.

The present invention may be further configured in a preferred embodiment as: the outer wall of the installation box is embedded with a plurality of reflective patches.

Through adopting above-mentioned technical scheme, inlay through the outer wall at the install bin and be equipped with reflection of light paster, can reflect light around night to make things convenient for the workman to be under construction at night, can play the effect of warning simultaneously.

To sum up, the utility model discloses following beneficial effect has:

1. through the arrangement of the simple unhooking mechanism, a worker can more save labor when pulling the anti-falling rod, so that the worker can hang and take off heavy objects more conveniently, and meanwhile, the effect of quick unhooking is realized;

2. the limiting groove is formed in the inner wall of the hook body, so that the limiting of the anti-falling rod is realized, and the stability of the anti-falling rod in use is improved;

3. by arranging a simple and effective locking mechanism, the quick assembly and disassembly of the lifting hook and the chain are realized, so that the replacement or installation process of the lifting hook is more convenient;

4. the outer wall of the installation box is embedded with the light-reflecting paster, so that light around the installation box can be reflected at night, construction of workers at night is facilitated, and meanwhile the warning effect can be achieved.

Drawings

FIG. 1 is a schematic view of the construction of a lifting hook according to example 1;

FIG. 2 is a schematic view of the inside structure of a lifting hook according to example 1;

FIG. 3 is a schematic view showing the connection of a chain and a load hook according to example 1;

FIG. 4 is a schematic structural view of embodiment 2.

Reference numerals: 1. a hook body; 2. an anti-drop rod; 21. a limiting groove; 22. a torsion spring; 3. installing a box; 31. a light-reflecting patch; 4. a unhooking mechanism; 41. a poke rod; 42. a strip-shaped hole; 43. a slide bar; 44. a return spring; 5. pulling a rope; 51. a guide wheel; 52. connecting holes; 53. a through hole; 54. a rubber ring; 55. an iron ring; 6. a supporting seat; 61. a fixed seat; 62. a groove is embedded; 63. a pull ring; 64. a locking lever; 65. an elastic convex ball; 66. a locking hole; 7. mounting a rod; 8. a fixing mechanism; 81. fixing a sleeve; 82. mounting grooves; 83. mounting holes; 84. an annular groove; 85. a ball bearing; 9. a sliding sleeve; 91. a convex ring; 92. a ring plate; 93. a card slot; 94. a baffle ring; 95. a return spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: as shown in fig. 1 and 2, the lifting hook for the electric hoist comprises a hook body 1, wherein one end of an opening of the hook body 1 is rotatably connected with an anti-falling rod 2. The inner wall of coupler body 1 is provided with the confession anticreep pole 2 deviates from spacing groove 21 of embedding behind the one end upset of its hinged end, anticreep pole 2 with the articulated department of coupler body 1 is provided with the confession torsional spring 22 that resets after the upset of anticreep pole 2.

When the anti-falling rod 2 needs to be opened, the anti-falling rod 2 is pressed to be separated from the limiting groove 21 and overturned towards the inner wall of the hook body 1, so that the anti-falling rod 2 is opened. When anticreep pole 2 is closed to needs, exert pressing force to anticreep pole 2 through the cancellation, anticreep pole 2 can reset under torsional spring 22's resilience force effect simultaneously to in the spacing groove 21 can be embedded into again to the one end of anticreep pole 2, realize the closing of anticreep pole 2, thereby realize lifting hook's mousing-hook's effect.

As shown in fig. 2, the upper end of the hook body 1 is provided with an installation box 3, the outer wall of the installation box 3 is embedded with a plurality of reflective patches 31, and an unhooking mechanism 4 for pulling the anti-falling rod 2 to turn is arranged in the installation box 3.

As shown in fig. 2, the unhooking mechanism 4 includes a sliding rod 43 vertically slidably connected to the inner wall of the installation box 3, and a return spring 44 is vertically disposed between a lower end surface of the sliding rod 43 and the bottom wall of the installation box 3.

As shown in fig. 2, a poke rod 41 is horizontally arranged on a side wall of the sliding rod 43, a strip-shaped hole 42 for the poke rod 41 to slide is vertically arranged on a side wall of the installation box 3, and one end of the poke rod 41 departing from the sliding rod 43 penetrates through the strip-shaped hole 42 and is located outside the installation box 3.

As shown in fig. 2, a pull rope 5 is disposed at an end of the anti-drop rod 2 away from the hinged end thereof, and a through hole 53 for the pull rope 5 to pass through is penetratingly disposed at a side of the hook body 1 aligned with the open end thereof. The outer wall of the upper end of one side of the installation box 3 is provided with a connecting hole 52 for the pull rope 5 to penetrate through, and the inner walls of the through hole 53 and the connecting hole 52 are both provided with rubber rings 54.

As shown in fig. 2, the pulling rope 5 is fixed to the upper end surface of the sliding rod 43 after passing through the connecting hole 52, and a guide wheel 51 around which the pulling rope 5 is wound is rotatably connected to the top wall of the mounting box 3. A plurality of iron rings 55 for the pull rope 5 to penetrate are arranged on the outer wall of the installation box 3, and the iron rings 55 are positioned below one side of the connecting hole 52.

When unhooking mechanism 4 is opened to needs, make it slide down along bar hole 42 through pressing poker rod 41 to drive slide bar 43 compression reset spring 44 is to the motion of installation case 3 diapire, can stimulate stay cord 5 synchronous motion on the leading wheel 51 simultaneously, and can make stay cord 5 wear to establish the one end pulling anticreep pole 2 upset of connecting hole 52 and through-hole 53, make it break away from spacing groove 21, thereby realize unhooking mechanism 4's quick opening.

When the unhooking mechanism 4 needs to be closed, the pressing force on the sliding rod 43 is cancelled by loosening the poking rod 41, so that the poking rod 41 and the sliding rod 43 reset under the resilience force action of the reset spring 44, the pulling force on the pull rope 5 disappears at the moment, the anti-falling rod 2 resets under the resilience force action of the torsion spring 22, and meanwhile, one end of the anti-falling rod 2 is embedded into the limiting groove 21 again, so that the unhooking mechanism 4 is locked quickly.

As shown in fig. 2, a support seat 6 is disposed on the upper end surface of the installation box 3, and a locking mechanism for fixing the chain is disposed on the support seat 6. Locking mechanical system including vertical set up in fixing base 61 on the supporting seat 6, the supporting seat 6 with fixing base 61 rotates and connects to be used for realizing lifting hook's free rotation, avoid the chain to take place the winding in the use.

As shown in fig. 2 and 3, the fixing seat 61 is provided with an insertion groove 62 into which the loop chain at the lowermost end of the chain is inserted, and the fixing seat 61 is provided with a locking hole 66 through which the insertion groove 62 is communicated. A locking rod 64 is slidably connected in the locking hole 66, and the locking rod 64 is used for penetrating through the chain at the lowest end of the chain. One end of the locking rod 64 is provided with a pull ring 63 for abutting against the outer wall of one side of the fixed seat 61, and the other end of the locking rod is provided with an elastic convex ball 65 for abutting against the outer wall of the other side of the fixed seat 61.

When the lifting hook needs to be installed on the electric hoist and the locking mechanism needs to be opened, the elastic convex ball 65 is pushed into the locking hole 66 by pressing the elastic convex ball, and meanwhile, the pull ring 63 is pulled to drive the locking rod 64 and the convex ball to be separated from the embedded groove 62, so that the locking mechanism is unlocked. Then, the chain link at the lowest end of the chain is embedded into the embedded groove 62, and simultaneously, the elastic convex ball 65 is aligned with the locking hole 66, then the pull ring 63 is pressed to push the locking rod 64 and the elastic convex ball 65 to penetrate through the embedded groove 62, and the elastic convex ball 65 is abutted against the side wall of the fixed seat 61, so that the locking of the locking mechanism is realized, and meanwhile, the installation of the lifting hook is realized.

The working principle of the embodiment is as follows: when the anti-disengaging rod 2 needs to be opened, the poke rod 41 is pressed, the sliding rod 43 is driven to move downwards to compress the reset spring 44, meanwhile, the sliding rod 43 can drive the pull rope 5 on the guide wheel 51 to move synchronously, and the pull rope 5 penetrates through the connecting hole 52 and the through hole 53 to pull the anti-disengaging rod 2 to turn over towards the inside of the hook body 1, so that the anti-disengaging rod 2 is opened. When anticreep pole 2 was closed to the needs, through loosening poker rod 41, slide bar 43 can reset under reset spring 44's resilience effect this moment, and then makes the pulling force that receives on the anticreep pole 2 disappear to anticreep pole 2 can reset under the resilience effect of torsional spring 22, realizes the closing of anticreep pole 2.

Example 2: as shown in fig. 4, the difference from embodiment 1 is that: the lower end of the mounting box 3 is provided with a mounting rod 7 for connecting the hook body 1, and the mounting rod 7 is provided with a fixing mechanism 8 for fixing the hook body 1.

As shown in fig. 4, the fixing mechanism 8 includes a fixing sleeve 81 covering the mounting rod 7, a mounting groove 82 for embedding the upper end of the hook 1 is disposed at one end of the fixing sleeve 81 away from the mounting box 3, and a plurality of mounting holes 83 are disposed on the fixing sleeve 81.

As shown in fig. 4, the hook body 1 is provided with an annular groove 84 at the upper end, a plurality of mounting holes 83 are provided with balls 85, one ends of the balls 85 are embedded in the annular groove 84, and the other ends of the balls 85 are flush with the outer wall of the mounting sleeve. The fixed sleeve 81 is externally sleeved with a sliding sleeve 9, and the inner wall of the sliding sleeve 9 is provided with a convex ring 91 for tightly abutting against a plurality of balls 85.

As shown in fig. 4, one end of the mounting sleeve close to the hook body 1 is provided with a ring plate 92, and the lower end face of the sliding sleeve 9 is provided with a slot 93 for the ring plate 92 to be inserted into. The upper end outer wall of installation cover is provided with the fender ring 94 that the round is located between installation cover and the sliding sleeve 9, and the outer wall cover of installation cover is equipped with answer spring 95, and answer spring 95 is located and keeps off between ring 94 and the bulge loop 91.

The specific embodiments are only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a hoisting hook for electric block, includes coupler body (1), the one end of coupler body (1) opening part is rotated and is connected and is provided with anticreep pole (2), anticreep pole (2) with coupler body (1) articulated department is provided with the confession torsional spring (22) that reset after anticreep pole (2) upset, its characterized in that: an installation box (3) is arranged at the upper end of the hook body (1), and a unhooking mechanism (4) for pulling the anti-falling rod (2) to turn is arranged in the installation box (3);

the unhooking mechanism (4) comprises a sliding rod (43) vertically and slidably connected to the inner wall of the installation box (3), a reset spring (44) is vertically arranged between the lower end face of the sliding rod (43) and the bottom wall of the installation box (3), a poking rod (41) is horizontally arranged on the side wall of the sliding rod (43), a strip-shaped hole (42) for the poking rod (41) to slide is vertically arranged on the side wall of the installation box (3), and one end, away from the sliding rod (43), of the poking rod (41) penetrates through the strip-shaped hole (42) and then is located outside the installation box (3);

anticreep pole (2) deviate from the one end of its hinged end and are provided with stay cord (5), one side that its open end was aimed at in coupler body (1) runs through and is provided with the confession through-hole (53) that stay cord (5) were worn to establish, one side upper end outer wall of install bin (3) runs through and is provided with the confession connecting hole (52) that stay cord (5) were worn to establish, stay cord (5) are worn to establish connecting hole (52) after-fixing in the up end of slide bar (43), the roof of install bin (3) is rotated and is connected with the confession stay cord (5) winding leading wheel (51).

2. The lifting hook for the electric hoist as claimed in claim 1, wherein: the inner wall of the hook body (1) is provided with a limiting groove (21) for the anti-falling rod (2) to be embedded after the end deviating from the hinged end of the anti-falling rod is turned.

3. The lifting hook for the electric hoist as claimed in claim 1, wherein: the outer wall of the installation box (3) is provided with a plurality of iron rings (55) for the pull rope (5) to penetrate through, and the iron rings (55) are located below one side of the connection hole (52).

4. The lifting hook for the electric hoist as claimed in claim 1, wherein: the inner walls of the through hole (53) and the connecting hole (52) are provided with rubber rings (54).

5. The lifting hook for the electric hoist as claimed in claim 1, wherein: a supporting seat (6) is arranged on the upper end face of the installation box (3), and a locking mechanism for fixing a chain is arranged on the supporting seat (6).

6. The lifting hook for the electric hoist as claimed in claim 5, wherein: the locking mechanism comprises a fixed seat (61) vertically arranged on the supporting seat (6), an embedded groove (62) for embedding a chain at the lowest end of the chain is formed in the fixed seat (61), and a locking hole (66) communicated with the embedded groove (62) is formed in the fixed seat (61) in a penetrating mode;

the chain locking device is characterized in that a locking rod (64) is connected in the locking hole (66) in a sliding mode, the locking rod (64) is used for penetrating through a chain at the lowest end of the chain, one end of the locking rod (64) is provided with a pull ring (63) used for abutting against the outer wall of one side of the fixing seat (61), and the other end of the locking rod is provided with an elastic convex ball (65) used for abutting against the outer wall of the other side of the fixing seat (61.

7. The lifting hook for the electric hoist as claimed in claim 6, wherein: the supporting seat (6) is rotatably connected with the fixed seat (61).

8. The lifting hook for the electric hoist as claimed in claim 1, wherein: the outer wall of the installation box (3) is embedded with a plurality of reflective patches (31).