CN214243458U

CN214243458U - Safety hook device for crane

Info

Publication number: CN214243458U
Application number: CN202120288898.2U
Authority: CN
Inventors: 焦海洋
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-09-21
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a security hook assembly for hoist, including main body frame, casing and inductor, the coupler body is installed to the main body frame below, and runs through the bolt on the coupler body, the bolt end is fixed with the nut, and installs the fixer on the coupler body, fixer internally mounted has the spring, and is fixed with the slider above the spring, the inside spout of having seted up of main body frame, and the inside fixture block that is provided with of spout, the last second pivot of installing of main body frame, and be provided with the pulley in the second pivot, be connected with the lifting rope on the pulley, and seted up the second draw-in groove in the middle of the pulley, the second pivot outside is fixed with the casing, and installs the inductor on the main body frame. This a security hook assembly for hoist is provided with inductor, fixture block and second draw-in groove, thereby accessible inductor response rotational speed judges whether out of control, connects through fixture block and second draw-in groove block and makes pulley stall if taking place out of control, prevents to drop and realizes emergency braking.

Description

Safety hook device for crane

Technical Field

The utility model relates to a crane hook technical field specifically is a security hook assembly for hoist.

Background

Nowadays, a lot of workshops are all equipped with the hoist, and the purpose is in order to go better to hoist the heavy object, reduces the manpower, also brings very big facility for work, and the lifting hook is the most common hoist among the hoisting machinery, and the lifting hook often hangs on hoisting mechanism's wire rope with the help of parts such as assembly pulley, is the part of a hoist, is often used for hoisting the heavy object.

But at present on the market couple simple structure, anti-drop mechanism can produce wearing and tearing at long-time practicality and lead to the anti-drop function inefficacy, causes the dangerous influence security of unnecessary to can make the lifting hook drop fast after elevating gear damages and cause the safety problem. We therefore propose a safety hook device for a crane in order to solve the problems set out above.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a security hook assembly for hoist to solve the present on the market that above-mentioned background art provided and hang hook simple structure, anti-drop mechanism can produce wearing and tearing at long-time practicality and lead to the anti-drop functional failure, causes the dangerous influence security of unnecessary, and can make the lifting hook drop fast after elevating gear damages and cause safe problem.

In order to achieve the above object, the utility model provides a following technical scheme: a safety hook device for a crane comprises a main body frame, a shell and an inductor, wherein a hook body is arranged below the main body frame, a bolt penetrates through the hook body, a nut is fixed at the tail end of the bolt, a fixer is arranged on the hook body, a spring is arranged in the fixer, a sliding block is fixed above the spring, a first rotating shaft penetrates through the sliding block, a fixing rod is fixed on the first rotating shaft, a first clamping groove is formed in the hook body, an air pump is arranged in the middle of the main body frame, a sleeve is connected above the air pump, a loop bar is arranged in the sleeve, a sliding groove is formed in the main body frame, a clamping block is arranged in the sliding groove, a loop bar is connected to the inner side of the clamping block, a second rotating shaft is arranged on the main body frame, a pulley is arranged on the second rotating shaft, a lifting rope is connected to the pulley, and a second clamping groove is formed in the middle of the pulley, a shell is fixed on the outer side of the second rotating shaft, and an inductor is installed on the main body frame.

Preferably, the slide block is connected with the fixing device in a sliding manner, and the fixing rod forms a turnover mechanism on the slide block through a first rotating shaft.

Preferably, the fixed rod and the first clamping groove are connected in a clamping manner, the sliding block forms an elastic structure in the fixer through a spring, and the fixed rod is U-shaped.

Preferably, the connecting mode between loop bar and the sleeve is sealing connection, and the fixture block forms a telescopic structure in the chute through air pump, sleeve and loop bar.

Preferably, the second rotating shaft is movably connected with the pulleys, two groups of pulleys are symmetrically arranged on the main body frame in the left-right direction, and the position of the inductor corresponds to the position of the pulley.

Preferably, the second clamping groove is connected with the clamping block in a clamping mode, and the central axis of the clamping block, the central axis of the second rotating shaft and the central axis of the pulley are on the same horizontal line.

Compared with the prior art, the beneficial effects of the utility model are that: this a safety hook assembly for hoist:

(1) the anti-falling device is provided with a fixed rod, a spring, a sliding block and a first clamping groove, the sliding block can be fixed in the fixer through the spring, and the fixed rod arranged on the sliding block is connected with the first clamping groove in a clamping mode, so that the anti-falling mechanism is realized, and the device is safer;

(2) be provided with inductor, fixture block and second draw-in groove, thereby the rotational speed of accessible inductor response pulley judges whether the device is out of control, if take place out of control and connect through fixture block and second draw-in groove block and make pulley stall, prevent to drop and realize emergency braking.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic side sectional view of the present invention;

FIG. 4 is a schematic view of the pulley structure of the present invention;

FIG. 5 is a schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 6 is a schematic structural diagram of the point B in fig. 3 according to the present invention.

In the figure: 1. a main body frame; 2. a hook body; 3. a bolt; 4. a nut; 5. a holder; 6. a spring; 7. a slider; 8. a first rotating shaft; 9. fixing the rod; 10. a first card slot; 11. an air pump; 12. a sleeve; 13. a loop bar; 14. a chute; 15. a clamping block; 16. a second rotating shaft; 17. a pulley; 18. a lifting rope; 19. a second card slot; 20. a housing; 21. an inductor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a safety hook device for a crane comprises a main body frame 1, a hook body 2, a bolt 3, a nut 4, a fixer 5, a spring 6, a slide block 7, a first rotating shaft 8, a fixed rod 9, a first clamping groove 10, an air pump 11, a sleeve 12, a loop bar 13, a sliding groove 14, a clamping block 15, a second rotating shaft 16, a pulley 17, a lifting rope 18, a second clamping groove 19, a shell 20 and an inductor 21, wherein the hook body 2 is installed below the main body frame 1, the bolt 3 penetrates through the hook body 2, the nut 4 is fixed at the tail end of the bolt 3, the fixer 5 is installed on the hook body 2, the spring 6 is installed inside the fixer 5, the slide block 7 is fixed above the spring 6, the first rotating shaft 8 penetrates through the slide block 7, the fixed rod 9 is fixed on the first rotating shaft 8, the first clamping groove 10 is formed on the hook body 2, the air pump 11 is installed in the middle of the main body frame 1, and the sleeve 12 is connected above the air pump 11, sleeve 12 internally mounted has loop bar 13, main body frame 1 has seted up inside spout 14, and spout 14 is inside to be provided with fixture block 15, and fixture block 15 inboard is connected with loop bar 13, installs second pivot 16 on the main body frame 1, and is provided with pulley 17 on the second pivot 16, is connected with lifting rope 18 on the pulley 17, and has seted up second draw-in groove 19 in the middle of the pulley 17, and the second pivot 16 outside is fixed with casing 20, and installs inductor 21 on the main body frame 1.

The connection mode between slider 7 and fixer 5 is sliding connection, and dead lever 9 constitutes tilting mechanism through first pivot 8 on slider 7 to the realization is more convenient quick when carrying out the dismouting, makes the more practical of device.

The fixed rod 9 and the first clamping groove 10 are connected in a clamping mode, the sliding block 7 forms an elastic structure in the fixer 5 through the spring 6, and the fixed rod 9 is U-shaped, so that the device is more reasonable.

The connecting mode between the loop bar 13 and the sleeve 12 is sealing connection, and the fixture block 15 forms a telescopic structure in the chute 14 through the air pump 11, the sleeve 12 and the loop bar 13, so that the device is more stable.

The connection mode between the second rotating shaft 16 and the pulley 17 is a movable connection, two groups of pulleys 17 are symmetrically arranged on the main body frame 1 left and right, and the position of the sensor 21 corresponds to the position of the pulley 17, so that the air pump 11 is started, and emergency braking is performed.

The second clamping groove 19 is connected with the clamping block 15 in a clamping manner, and the central axis of the clamping block 15, the central axis of the second rotating shaft 16 and the central axis of the pulley 17 are on the same horizontal line.

The working principle is as follows: when using this a security hook assembly for hoist, at first, place the material on coupler body 2 to pulling dead lever 9 makes slider 7 slide in fixer 5, upset dead lever 9 makes dead lever 9 lower extreme block advance in first draw-in groove 10 after that, and fasten through spring 6 again, this has just accomplished anti-drop function, only need pull dead lever 9 and take out from first draw-in groove 10 when taking out the material, thereby realize quick assembly disassembly, make the device more practical.

Then if the lifting device is out of control, the lifting rope 18 drives the pulley 17 to rotate rapidly on the second rotating shaft 16, at the moment, the rotating speed of the pulley 17 is sensed through the sensor 21, and the air pump 11 is started to discharge high-pressure air into the loop bar 13, so that the loop bar 13 drives the clamping block 15 to be clamped into the second clamping groove 19 on the pulley 17, and therefore the emergency braking of the pulley 17 is achieved, the safety is guaranteed, the device is more stable, and the whole working process is achieved. And those not described in detail in this specification are well within the skill of those in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A safety hook device for a crane, comprising a main body frame (1), a housing (20) and an inductor (21), characterized in that: the hook body (2) is installed below the main body frame (1), the bolt (3) penetrates through the hook body (2), a nut (4) is fixed at the tail end of the bolt (3), the fixer (5) is installed on the hook body (2), the spring (6) is installed inside the fixer (5), the sliding block (7) is fixed above the spring (6), the first rotating shaft (8) penetrates through the sliding block (7), the fixing rod (9) is fixed on the first rotating shaft (8), the hook body (2) is provided with a first clamping groove (10), the air pump (11) is installed in the middle of the main body frame (1), the sleeve (12) is connected above the air pump (11), the loop bar (13) is installed inside the sleeve (12), the sliding groove (14) is formed inside the main body frame (1), the clamping block (15) is arranged inside the sliding groove (14), and the loop bar (13) is connected to the inner side of the clamping block (15), install second pivot (16) on main body frame (1), and be provided with pulley (17) on second pivot (16), be connected with lifting rope (18) on pulley (17), and second draw-in groove (19) have been seted up in the middle of pulley (17), the second pivot (16) outside is fixed with casing (20), and installs inductor (21) on main body frame (1).

2. A safety hook device for cranes as claimed in claim 1, wherein: the connection mode between the sliding block (7) and the fixer (5) is sliding connection, and the fixed rod (9) forms a turnover mechanism on the sliding block (7) through the first rotating shaft (8).

3. A safety hook device for cranes as claimed in claim 1, wherein: the fixing rod (9) is connected with the first clamping groove (10) in a clamping mode, the sliding block (7) forms an elastic structure in the fixer (5) through the spring (6), and the fixing rod (9) is U-shaped.

4. A safety hook device for cranes as claimed in claim 1, wherein: the connecting mode between loop bar (13) and sleeve (12) is sealing connection, and fixture block (15) constitutes extending structure in spout (14) through air pump (11), sleeve (12) and loop bar (13).

5. A safety hook device for cranes as claimed in claim 1, wherein: the second rotating shaft (16) is movably connected with the pulleys (17), two groups of pulleys (17) are symmetrically arranged on the main body frame (1) in the left-right direction, and the position of the inductor (21) corresponds to the position of the pulleys (17).

6. A safety hook device for cranes as claimed in claim 1, wherein: the second clamping groove (19) is connected with the clamping block (15) in a clamping mode, and the central axis of the clamping block (15) is on the same horizontal line with the central axis of the second rotating shaft (16) and the central axis of the pulley (17).