CN211338539U

CN211338539U - Lifting hook anti-falling device of workshop crane

Info

Publication number: CN211338539U
Application number: CN201921982696.7U
Authority: CN
Inventors: 元少东; 陈雅
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-08-25
Anticipated expiration: 2029-11-15

Abstract

The utility model provides a lifting hook anti-drop device of a workshop crane, which comprises a lifting ring, the bottom of the lifting ring is fixedly connected with a lifting hook, the right end of an electric hook is fixedly connected with a limit fixture block, a mounting groove is arranged on the lifting hook, an anti-drop device is connected in the mounting groove, a guide rod is fixedly connected on the anti-drop device, the other end of the guide rod is connected with a telescopic sleeve, a spring is arranged between the guide rod and the telescopic sleeve, the spring sleeve is arranged on the outer side of the guide rod, the anti-drop device comprises a lantern ring, a rotating rod and a tongue piece, the lantern ring is fixedly connected with the guide rod, the anti-drop device can extend and retract by arranging the guide rod and the telescopic sleeve, the position of the anti-drop device is convenient to adjust, the spring is arranged on the outer side of the guide rod, play good mousing-hook effect, the couple of being convenient for simultaneously and dismantle convenient and practical.

Description

Lifting hook anti-falling device of workshop crane

Technical Field

The utility model relates to a machine parts technical field, concretely relates to lifting hook dropout prevention means of workshop crane.

Background

The lifting hook is the most common lifting appliance in lifting machinery, the lifting hook is often hung on a steel wire rope of a lifting mechanism by means of a pulley block and other components, the lifting hook is widely applied to ports, electric power, steel, shipbuilding, petrochemical industry, mines, railways, building, metallurgical chemical industry, automobile manufacturing, plastic machinery, industrial control, highways, large transportation, pipeline auxiliary equipment, slope tunnels, well treatment protection, sea rescue, ocean engineering, airport construction, bridges, aviation, aerospace, stadiums and other important industries and mechanical equipment of infrastructure engineering, the rope unhooking phenomenon easily occurs in the operation process of the lifting hook without the unhooking prevention device, safety accidents are easily caused, so the lifting hook is often used in cooperation with the unhooking prevention device in construction, the existing unhooking prevention device is inconvenient to install, the safety cannot be guaranteed, and the protection effect cannot be effectively achieved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solve above-mentioned technical problem, provide a lifting hook dropout prevention means of workshop crane, through being equipped with guide bar and telescope tube, make the dropout prevention means can stretch out and draw back, be convenient for adjust the position of dropout prevention means, be equipped with the spring through the outside at the guide bar, carry on spacingly through bounce to the tongue piece, play good mousing-hook effect, be convenient for simultaneously get in touch and dismantle, convenient and practical to solve the problem that proposes among the above-mentioned background art.

The utility model adopts the technical scheme as follows: a lifting hook anti-falling device of a workshop crane comprises a lifting ring, wherein the bottom of the lifting ring is fixedly connected with a lifting hook, the right end of an electric hook is fixedly connected with a limiting clamping block, the lifting hook is provided with a mounting groove, an anti-falling hook device is connected in the mounting groove, the anti-falling hook device is fixedly connected with a guide rod, the other end of the guide rod is connected with a telescopic sleeve, a spring is arranged between the guide rod and the telescopic sleeve, the spring is sleeved on the outer side of the guide rod,

mousing-hook device includes the lantern ring, dwang, tongue piece, the lantern ring and guide bar fixed connection, the dwang alternates to be established in the inboard of the lantern ring, tongue piece fixed connection is at the both ends of dwang.

Furthermore, the ditch inslot of lifting hook is equipped with anti-skidding arch, be equipped with the draw-in groove on the spacing fixture block, the tongue piece is connected in the draw-in groove.

Further, the mounting groove is arranged at the top end of the lifting hook, and the height of the mounting groove is higher than that of the limiting clamping block.

Further, the dwang rotates to be connected inside the lantern ring, just fixedly connected with dog on the dwang, the dog is established in the both sides of the lantern ring.

Furthermore, the diameter of dog is greater than the diameter of lantern ring, the tongue piece passes through the dwang and rotates the connection in the lantern ring.

Furthermore, a pressing block is fixedly connected to the guide rod, and the spring is arranged between the pressing block and the telescopic sleeve.

Furthermore, the outside at the guide bar is established to the telescope tube cover, the guide bar is established the one end in the telescope tube and is equipped with the limiting plate.

The utility model has the advantages that:

1. the anti-unhooking device can be stretched by arranging the guide rod and the telescopic sleeve, so that the position of the anti-unhooking device can be conveniently adjusted, and the tongue piece is limited by the resilience force through arranging the spring on the outer side of the guide rod, so that a good anti-unhooking effect is achieved;

2. the tongue piece can rotate in the lantern ring through the rotating rod by virtue of the rotating rod and the lantern ring, so that the tongue piece is connected into the clamping groove of the limiting clamping block for limiting, and meanwhile, the tongue piece is not easy to separate from the limiting clamping block by virtue of the elasticity of the spring, so that the tongue piece is convenient to hook and detach, and is convenient and practical;

3. through the ditch inslot at the lifting hook is equipped with anti-skidding arch, can prevent that the rope or the goods of hoisting from rocking, reduces the risk that rope or goods break away from the lifting hook, plays the mesh of mousing-hook.

Drawings

FIG. 1 is a schematic view of the overall structure of a hook anti-drop device of a workshop crane of the present invention;

FIG. 2 is a schematic structural view of a worktable anti-drop device of a hook anti-drop device of a workshop crane according to the present invention;

FIG. 3 is a schematic view of the internal structure of the mounting groove of the hook anti-drop device of the workshop crane of the present invention;

FIG. 4 is a top view of the hook drop prevention device of the workshop crane of the present invention;

reference numbers in the figures: 1. a hoisting ring; 2. a hook; 3. a limiting clamping block; 4. mounting grooves; 5. an unhooking prevention device; 6. a guide bar; 7. a telescopic sleeve; 8. a spring; 9. a collar; 10. rotating the rod; 11. a tongue piece; 12. anti-skid projections; 13. a stopper; 14. and (7) briquetting.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Example 1

As shown in fig. 1-4, the utility model provides a technical solution:

the utility model provides a lifting hook dropout prevention means of workshop crane, includes rings 1, rings 1's bottom fixedly connected with lifting hook 2 is connected lifting hook 2 and elevating gear, the spacing fixture block of right-hand member fixedly connected with 3 of electric hook carries on spacingly to tongue piece 11, shelters from the slot top of lifting hook 2, mounting groove 4 has been seted up on lifting

hook

2, 4 in-connections in mounting groove have mousing-hook device 5, fixedly connected with guide bar 6 on the mousing-hook device 5, the other end of guide bar 6 is connected with telescope tube 7, be equipped with spring 8 between guide bar 6 and the telescope tube 7, 8 covers of spring establish the guide bar 6

Outside, pulling mousing-hook device 5's tongue piece 11 hangs tongue piece 11 in the draw-in groove of spacing fixture block 3, when pulling tongue piece 11, dwang 10 drives lantern ring 9 and stretches out and draws back guide bar 6 to telescope tube 7 in, makes it move down, is convenient for hang tongue piece 11 on spacing fixture block 3, later through spring 8's resilience force, carries on spacingly to tongue piece 11, makes tongue piece 11 be difficult to break away from spacing fixture block 3, is convenient for couple and dismantlement, mousing-hook device 5 includes lantern ring 9, dwang 10, tongue piece 11, lantern ring 9 and 6 fixed connection of guide bar, dwang 10 alternates to establish the inboard at lantern ring 9, tongue piece 11 fixed connection is at the both ends of dwang 10.

More specifically, the groove of the lifting hook 2 is provided with an anti-slip bulge 12, which can prevent the lifted rope or goods from shaking, reduce the risk that the rope or goods are separated from the lifting hook, and achieve the purpose of unhooking prevention, the limiting clamping block 3 is provided with a clamping groove, the tongue piece 11 is connected in the clamping groove, the mounting groove 4 is arranged at the top end of the lifting hook 2, the height of the mounting groove 4 is higher than that of the limiting clamping block 3, so that the tongue piece 11 can be conveniently hung on the clamping groove of the limiting clamping block 3, the rotating rod 10 is rotatably connected in the lantern ring 9, the rotating rod 10 is fixedly connected with a stop 13, the stop 13 is arranged at two sides of the lantern ring 9, so as to limit the lantern ring 9 and prevent the tongue piece 11 from shaking greatly, the diameter of the stop 13 is larger than that of the lantern ring 9, the tongue piece 11 is rotatably connected in, spring 8 establishes between briquetting 14 and telescope tube 7, and it is spacing with tongue piece 11 through the resilience of spring 8, the outside at guide bar 6 is established to telescope tube 7 cover, the one end that guide bar 6 was established in telescope tube 7 is equipped with the limiting plate, prevents that guide bar 6 from breaking away from telescope tube 7.

Example 2

As shown in fig. 2, the diameter of the rotating rod 10 is smaller than that of the lantern ring 9, the rotating rod 10 is arranged in the lantern ring 9 and can rotate, then the lantern ring 9 is limited through the stop 13, the rotating rod 10 is not directly connected with the lantern ring 9, so that the rotating rod 10 can rotate freely, and the position of the tongue piece 11 can be adjusted conveniently.

The utility model discloses the theory of operation: when using this lifting hook, arrange rope or goods in lifting hook 2's slot, play skid-proof effect, stimulate anticreep hook device 5's tongue piece 11 simultaneously, hang tongue piece 11 in the draw-in groove of spacing fixture block 3, when the pulling tongue piece 11, dwang 10 drives lantern ring 9 and stretches out and draws back in 6 to telescope tube 7 with the guide bar, make it move down, be convenient for hang tongue piece 11 on spacing fixture block 3, later through spring 8's resilience force, it is spacing to carry out tongue piece 11, make tongue piece 11 be difficult to break away from spacing fixture block 3, be convenient for couple and dismantlement, dwang 10 can be at lantern ring 9 simultaneously, be convenient for adjust tongue piece 11 internal rotation, convenient connection, play good anticreep hook effect.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. The utility model provides a lifting hook dropout prevention means of workshop crane, includes rings (1), its characterized in that, the bottom fixedly connected with lifting hook (2) of rings (1), the right-hand member fixedly connected with spacing fixture block (3) of lifting hook (2), mounting groove (4) have been seted up on lifting hook (2), mounting groove (4) in-connection has dropout prevention hooking device (5), fixedly connected with guide bar (6) on dropout prevention hooking device (5), the other end of guide bar (6) is connected with telescope tube (7), be equipped with spring (8) between guide bar (6) and telescope tube (7), spring (8) cover is established in the outside of guide bar (6), dropout prevention hooking device (5) includes lantern ring (9), dwang (10), tongue piece (11), lantern ring (9) and guide bar (6) fixed connection, dwang (10) alternate and establish the inboard at the lantern ring (9), the tongue piece (11) is fixedly connected to two ends of the rotating rod (10).

2. The lifting hook anti-falling device of the workshop crane according to claim 1, wherein the groove of the lifting hook (2) is internally provided with an anti-skid protrusion (12), the limiting clamping block (3) is provided with a clamping groove, and the tongue piece (11) is connected in the clamping groove.

3. The drop-preventing device for the lifting hook of a workshop crane as claimed in claim 1, wherein the mounting groove (4) is formed at the top end of the lifting hook (2), and the height of the mounting groove (4) is higher than that of the limiting clamping block (3).

4. A lifting hook falling-off prevention device of a workshop crane as claimed in claim 1, wherein the rotating rod (10) is rotatably connected inside the lantern ring (9), a stop block (13) is fixedly connected to the rotating rod (10), and the stop block (13) is arranged on two sides of the lantern ring (9).

5. A lifting hook drop-off prevention device for a workshop crane as claimed in claim 4, wherein the diameter of the stopper (13) is larger than that of the collar (9), and the tongue piece (11) is rotatably connected in the collar (9) through a rotating rod (10).

6. A lifting hook drop-preventing device for a workshop crane as claimed in claim 1, wherein the guide rod (6) is fixedly connected with a pressing block (14), and the spring (8) is arranged between the pressing block (14) and the telescopic sleeve (7).

7. A lifting hook falling-off prevention device of a workshop crane as claimed in claim 1, wherein the telescopic sleeve (7) is sleeved outside the guide rod (6), and a limiting plate is arranged at one end of the guide rod (6) arranged in the telescopic sleeve (7).