CN218879148U

CN218879148U - Overhead traveling crane hanging beam magnetic disk chain anti-unhooking device

Info

Publication number: CN218879148U
Application number: CN202223071817.7U
Authority: CN
Inventors: 唐志奇; 徐平; 黄利明; 尹淳优; 雷柏雄; 易帆; 伍春蒙; 张龙; 陈许
Original assignee: Yangchun New Iron and Steel Co Ltd
Current assignee: Yangchun New Iron and Steel Co Ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-04-18
Anticipated expiration: 2032-11-21

Abstract

The utility model provides a roof beam disk chain mousing-hook device is hung to overhead traveling crane, including the couple with install the positioning bolt spare in couple hook mouth department, the positioning bolt spare is arranged the cover in and is established the top of the chain on couple hook groove, the positioning bolt spare is including spacing the bolt, spacing bolt one end is articulated with the articulated seat of establishing at couple slot inboard, spacing bolt other end with establish the cooperation of the location hasp in the couple outside, the couple top seted up with spacing bolt matched with spacing groove. The utility model discloses with traditional mousing-hook device have what distinguish for carry out spacing location bolt spare to the lock chain, its one end rotates with the couple to be connected, when the assembly, the location hasp in the accessible couple outside pin the location bolt spare can, compare in the mode of screw thread locking, it has easy dismounting, the dead advantage of card can not appear.

Description

Overhead traveling crane hanging beam magnetic disk chain anti-unhooking device

Technical Field

The utility model relates to an mousing-hook device especially relates to a crown block hangs roof beam disk chain mousing-hook device.

Background

The overhead travelling cranes used for hoisting the steel billets and finished products are provided with magnetic disks of different models, the magnetic disks are hung on the fixed hooks of the hanging beam body through chains, and in order to ensure hoisting safety, the chains are not allowed to be separated from the hooks under any condition. Therefore, the hooks are provided with unhooking prevention devices which can prevent the chains from falling off from the hooks.

When the magnetic disk falls to the ground or the surface of a suspended object, due to equipment, operation and the like, the chain loosens and generates an upward acting force on the unhooking prevention device, the highest position of the unhooking prevention device is restrained, and the unhooking prevention device is damaged to different degrees when exceeding the limit position. Frequent operation of the crown block easily causes damage to the unhooking prevention device. As shown in figure 1, the unhooking prevention device is a common unhooking prevention device, a limiting positioning bolt piece is arranged at a hook opening of a hook and limits a chain hung on the hook, the positioning bolt piece is detachably connected with the hook in a threaded connection mode, and the chain can be replaced by one person when the positioning bolt piece is disassembled. However, in long-time use, a large amount of oil stains can be generated on the hook, the oil stains can influence the rotation of an operator on the positioning bolt, and in addition, when the positioning bolt is impacted by external force, the teeth at the joint of the positioning bolt are easy to deform, so that the threaded connection is failed and blocked, and the positioning bolt is difficult to pull out from the hook. Therefore, the utility model provides a crown block hangs roof beam disk chain mousing-hook device is in order to solve the problem that exists among the prior art.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a roof beam disk chain mousing-hook device is hung to overhead traveling crane for solve current mousing-hook device, when adopting the location bolt piece to carry on spacingly to the chain, install the bolt piece on the couple, when disassembling, there is the easy dead shortcoming of card of dismantlement difficulty.

For realizing the purpose of the utility model, the utility model discloses a following technical scheme realizes: an overhead traveling crane hanging beam disk chain mousing-hook device comprises a hook and a positioning bolt piece arranged at the hook opening of the hook, wherein the positioning bolt piece is arranged above a lock chain sleeved on a hook groove of the hook;

the positioning bolt piece comprises a limiting bolt, one end of the limiting bolt is hinged with a hinge seat arranged on the inner side of the groove of the hook, the other end of the limiting bolt is matched with a positioning lock catch arranged on the outer side of the hook, and the top end of the hook is provided with a limiting groove matched with the limiting bolt;

the top end of the hook is provided with two limiting lugs, the two limiting lugs are arranged on two sides of the limiting groove and fixedly connected with the hook, a positioning pin piece is arranged between the two limiting lugs in a penetrating mode, and the positioning pin piece is matched with a pin groove formed in the upper end of the limiting bolt.

The further improvement lies in that: the pin slot is arranged on one side of the limiting bolt far away from the limiting slot and corresponds to the two limiting lugs.

The further improvement lies in that: the positioning lock catch comprises a lock ring, the lock ring is installed on the limiting bolt and rotatably connected with a first fixing part far away from one end of the hinge seat, and one end of the lock ring far away from the first fixing part is matched with a lock hook arranged on the outer side wall of the hook.

The further improvement is that: the locating pin piece comprises a lock pin, the lock pin is matched with a pin groove, and two ends of the lock pin are matched with pin holes formed in the centers of the two limiting lugs.

The further improvement lies in that: the lockpin is the polygon prism, and the pinhole is polygon arris hole, and the cotter way is polygon arris groove, and the polygon prism cooperatees with polygon arris hole and polygon arris groove.

The further improvement lies in that: one end of the lock pin is connected with a pin chain, and one end of the pin chain, far away from the lock pin, is fixedly connected with a second fixing part fixed on the outer side of the hook.

The further improvement lies in that: the connecting part of the lock pin and the pin chain is provided with a third fixing part, one end of the third fixing part is movably connected with the pin chain, the other end of the third fixing part is fixedly connected with the lock pin in a welding mode, a damping block is arranged at the connecting part of the lock pin and the third fixing part, and the damping block is matched with a damping hole formed in the pin hole groove.

The utility model has the advantages that: one end of the positioning bolt piece is rotatably connected with the hook, and the positioning bolt piece can be locked by the positioning lock catch on the outer side of the hook during assembly, so that the positioning bolt piece has the advantages of convenience in assembly and disassembly and no jamming compared with a thread locking mode;

after the assembly, the positioning pin piece can be pressed at the upper end of the limiting bolt and can be matched with a pin groove formed in the outer side of the limiting bolt to limit the limiting bolt to rotate, and the safety of hoisting operation is further guaranteed.

Drawings

Fig. 1 is a structural diagram of a conventional apparatus.

Fig. 2 is a structural diagram of the present invention.

Fig. 3 is a structural view of the dowel of the present invention.

Fig. 4 is a structural diagram of the positioning lock of the present invention.

Figure 5 is a block diagram of the lock pin of the present invention.

Wherein: 1. hooking; 11. a limiting groove; 2. a chain; 3. a positioning pin; 31. a limit bolt; 32. a hinged seat; 33. a pin slot; 4. positioning a lock catch; 41. a first fixed part; 42. a locking ring; 43. a latch hook; 5. a locating pin member; 51. a lock pin; 52. a pin chain; 53. a second fixed part; 54. a third fixed part; 55. a damping block; 6. a limiting lug; 61. a pin hole.

Detailed Description

In order to deepen the understanding of the present invention, the following embodiments will be combined to make the present invention do further details, and the present embodiment is only used for explaining the present invention, and does not constitute the limitation of the protection scope of the present invention.

As shown in fig. 1, the existing unhooking prevention device comprises a positioning bolt piece 3 installed on a hook 1, wherein the positioning bolt piece 3 is arranged above a lock chain 2 arranged outside the hook 1 in a sleeved mode, the positioning bolt piece 3 is a screw rod, one end of the screw rod penetrates into a threaded hole formed in the side wall of the hook 1 and is in threaded fit with the hook 1, and a nut used for locking the positioning bolt piece 3 is sleeved at the joint of the screw rod and the hook 1. The screw rod is positioned at the hook opening of the hook 1 and used for preventing the chain 2 from falling off from the hook 1.

Referring to fig. 2, 3, 4 and 5, the embodiment provides an anti-unhooking device for a disk chain of a hanging beam of an overhead travelling crane, which comprises a hook 1 and a positioning bolt 3 installed at a hook opening of the hook 1, wherein the positioning bolt 3 is arranged above a chain 2 sleeved on a hook groove of the hook 1; the disk is hung on the hook 1 of the hanging beam body through the chain 2, and the positioning bolt piece 3 arranged at the hook opening of the hook 1 penetrates above the hook groove of the hook 1, so that the chain 2 is prevented from falling off from the hook 1, and the hoisting safety of the overhead travelling crane is ensured.

The positioning bolt piece 3 comprises a limiting bolt 31, one end of the limiting bolt 31 is hinged with a hinge seat 32 arranged on the inner side of the groove of the hook 1, the other end of the limiting bolt 31 is matched with a positioning lock catch 4 arranged on the outer side of the hook 1, and the top end of the hook 1 is provided with a limiting groove 11 matched with the limiting bolt 31; establish the spacing bolt 31 in 1 hook mouth department of couple, can use articulated seat 32 to rotate as the center, when carrying on spacingly to chain 2, fall down spacing bolt 31, through the location hasp 4 in the couple 1 outside with spacing bolt 31 front end lock can, compare in the mode of screw thread locking, it has easy dismounting, the dead advantage of card can not appear.

Since the disk is suspended from the hook 1 by the chain 2, the chain 2 can bear a large weight, so as to further improve the structural strength of the stopper bolt 31. Two limiting lugs 6 are arranged at the top end of the hook 1, the two limiting lugs 6 are arranged on two sides of the limiting groove 11 and fixedly connected with the hook 1, a positioning pin piece 5 penetrates between the two limiting lugs 6, and the positioning pin piece 5 is matched with a pin groove 33 formed in the upper end of the limiting bolt 31. After the front end of the limiting bolt 31 is fixed with the hook 1 through the positioning lock catch 4, the positioning pin piece 5 can penetrate into the two limiting lugs 6, the positioning pin piece 5 positioned in the two limiting lugs 6 is pressed at the upper end of the limiting bolt 31 and is matched with a pin groove 33 formed in the outer side of the limiting bolt 31, the rotation of the pin groove 33 is limited, and the operation safety is guaranteed.

More specifically, the pin slot 33 is opened on one side of the limit bolt 31 far away from the limit slot 11 and corresponds to the two limit lugs 6. That is, when the position-limiting bolt 31 is locked in the position-limiting groove 11, the upper half part thereof is exposed outside the position-limiting groove 11 and corresponds to the two position-limiting lugs 6, the pin groove 33 provided outside the position-limiting groove 11 corresponds to the two position-limiting lugs 6, and when the positioning pin 5 penetrates into the two position-limiting lugs 6, the positioning pin can simultaneously penetrate into the pin groove 33 and be matched with the pin groove 33.

Specifically, the positioning lock catch 4 comprises a lock ring 42, the lock ring 42 is rotatably connected to a first fixing portion 41 at an end of the stop bolt 31 away from the hinge seat 32, and an end of the lock ring 42 away from the first fixing portion 41 is matched with a lock hook 43 arranged on an outer side wall of the hook 1. The limiting bolt 31 is rotated, the limiting bolt 31 penetrates above the hook groove of the hook 1, the locking ring 42 at the front end of the limiting bolt 31 is rotated, and the locking ring 42 is clamped on the locking hook 43 to lock the current position of the limiting bolt 31.

Specifically, the positioning pin member 5 includes a lock pin 51, the lock pin 51 is engaged with the pin slot 33, and both ends of the lock pin 51 are engaged with pin holes 61 formed at the centers of the two limit lugs 6. After the limiting bolt 31 is clamped on the hook 1, the lock pin 51 penetrates into the two limiting lugs 6, the lock pin 51 is matched with the pin groove 33 to clamp the limiting bolt 31, and the lock pin 51 and the limiting bolt 31 form a cross-shaped staggered structure at the moment.

The common lock pin 51 is a cylindrical pin, when the lock pin 51 penetrates into the two limit lugs 6 to be matched with the pin groove 33, the lock pin 51 can axially move or circumferentially rotate in the pin hole 61 and the pin groove 33, and in the circumferential rotation, the lock pin 51 can loosen, so that the lock pin 51 falls off, and the fixing of the limit bolt 31 is influenced. In a preferred embodiment, the lock pin 51 is a polygonal prism, the pin hole 61 is a polygonal hole, and the pin groove 33 is a polygonal groove, wherein the polygonal prism is matched with the polygonal hole and the polygonal groove to limit the circumferential rotation of the lock pin 51.

Because the lock pin 51 is inserted into the limit lug 6 in a bolt matching mode, when the lock pin 51 is disassembled, the lock pin 51 is easy to lose. In a preferred embodiment, one end of the lock pin 51 is connected with a pin chain 52, one end of the pin chain 52, which is far away from the lock pin 51, is fixedly connected with a second fixing part 53 fixed on the outer side of the hook 1, and the lock pin 51 is connected on the outer side of the hook 1 through the pin chain 52, so that the assembly is convenient for an operator.

In a preferred embodiment, a third fixing portion 54 is disposed at a connection portion between the lock pin 51 and the pin chain 52, one end of the third fixing portion 54 is movably connected with the pin chain 52, the other end of the third fixing portion 54 is fixedly connected with the lock pin 51 by welding, a damping block 55 is disposed at a connection portion between the lock pin 51 and the third fixing portion 54, and the damping block 55 is engaged with a damping hole formed at a slot of the pin hole 61. The third fixing part 54 is arranged at the joint of the pin chain 52 through the lock pin 51 and plays a role in connection, when the lock pin 51 penetrates into the two limiting lugs 6, the damping block 55 positioned at the joint of the lock pin 51 and the third fixing part 54 can penetrate into the damping hole at the slot hole of the pin hole 61 to be matched with the damping hole, so that the fitting degree of the lock pin 51 and the limiting lugs 6 is improved.

This overhead traveling crane hangs roof beam disc chain mousing-hook device, it has the difference with traditional mousing-hook device for carry out spacing location bolt piece 3 to chain 2, its one end rotates with couple 1 to be connected, when the assembly, the location hasp 4 in the accessible couple 1 outside pin 3 in location can, compare in the mode of screw locking, it has easy dismounting, the dead advantage of card can not appear, in addition after the assembly, can press location round pin piece 5 in the upper end of spacing bolt 31, location round pin piece 5 can cooperate with the keyway 33 that the spacing bolt 31 outside was seted up, restriction spacing bolt 31 rotates, further assurance hoist and mount operation's safety.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a crown block hangs roof beam disk chain mousing-hook device, includes couple (1) and installs location bolt spare (3) in couple (1) hook mouth department, the top of establishing chain (2) on couple (1) hook groove, its characterized in that are arranged in location bolt spare (3):

the positioning bolt piece (3) comprises a limiting bolt (31), one end of the limiting bolt (31) is hinged with a hinge seat (32) arranged on the inner side of a groove of the hook (1), the other end of the limiting bolt (31) is matched with a positioning lock catch (4) arranged on the outer side of the hook (1), and a limiting groove (11) matched with the limiting bolt (31) is formed in the top end of the hook (1);

couple (1) top is equipped with two spacing ears (6), two spacing ear (6) arrange in spacing groove (11) both sides and with couple (1) fixed connection, two wear to be equipped with spacer pin spare (5) between spacing ear (6), spacer pin spare (5) cooperate with cotter way (33) seted up on spacing bolt (31) upper end.

2. The crown block hanging beam disk chain unhooking prevention device according to claim 1, characterized in that: the pin groove (33) is arranged on one side, away from the limiting groove (11), of the limiting bolt (31) and corresponds to the two limiting lugs (6).

3. The crown block hanging beam disk chain unhooking prevention device according to claim 1, characterized in that: the positioning lock catch (4) comprises a lock ring (42), the lock ring (42) is installed on a first fixing part (41) of one end, far away from the hinged seat (32), of the limiting bolt (31) and is connected in a rotating mode, and one end, far away from the first fixing part (41), of the lock ring (42) is matched with a lock hook (43) arranged on the outer side wall of the hook (1).

4. The crown block hanging beam disk chain unhooking prevention device according to claim 1, characterized in that: the positioning pin piece (5) comprises a lock pin (51), the lock pin (51) is matched with the pin groove (33), and two ends of the lock pin (51) are matched with pin holes (61) formed in the centers of the two limiting lugs (6).

5. The crown block hanging beam disk chain unhooking prevention device according to claim 4, characterized in that: the lock pin (51) is a polygonal prism, the pin hole (61) is a polygonal edge hole, the pin groove (33) is a polygonal edge groove, and the polygonal prism is matched with the polygonal edge hole and the polygonal edge groove.

6. The crown block hanging beam disk chain unhooking prevention device according to claim 4, characterized in that: one end of the lock pin (51) is connected with a pin chain (52), and one end, far away from the lock pin (51), of the pin chain (52) is fixedly connected with a second fixing part (53) fixed on the outer side of the hook (1).

7. The device of claim 6, wherein the means for preventing the disk chain from being unhooked comprises: the connecting part of the lock pin (51) and the pin chain (52) is provided with a third fixing part (54), one end of the third fixing part (54) is movably connected with the pin chain (52), the other end of the third fixing part (54) is fixedly connected with the lock pin (51) in a welding manner, a damping block (55) is arranged at the connecting part of the lock pin (51) and the third fixing part (54), and the damping block (55) is matched with a damping hole formed in the slot hole of the pin hole (61).