CN210825159U

CN210825159U - Collision prevention device for crane hook

Info

Publication number: CN210825159U
Application number: CN201921874921.5U
Authority: CN
Inventors: 黄健; 叶峰; 罗新星; 敖佳顺; 陈卫
Original assignee: Shanghai Yidong Machinery Construction Engineering Co ltd
Current assignee: Shanghai Yidong Machinery Construction Engineering Co ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-06-23
Anticipated expiration: 2029-11-01

Abstract

The utility model discloses a hoist lifting hook scour protection hits device, including the jib loading boom, the bottom fixedly connected with of jib loading boom one side receives the line box, the bottom fixedly connected with anticollision case of receiving the line box, a section of thick bamboo is placed to the top fixedly connected with of anticollision incasement wall, the utility model relates to a hoist lifting hook technical field. This hoist lifting hook scour protection hits device, the lifting hook contacts with the bottom of anticollision board, and with anticollision board upward movement together, when the top of anticollision board contacts with the bottom of blotter, effect through the blotter, cushion the lifting hook, reduce the impact of lifting hook to receiving the line box, at the in-process that rises, compress first spring through the contact plate, first spring implements the elastic action to the contact plate, and then further cushion the lifting hook, avoided the lifting hook to produce the striking with the bottom of receiving the line box, thereby lead to wire rope to drag, lead to the wire rope fracture, the protectiveness to wire rope has been improved.

Description

Collision prevention device for crane hook

Technical Field

The utility model relates to a crane hook technical field specifically is a crane hook anti-collision device.

Background

The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. Also known as crown blocks, navigation cranes and cranes. The crane mainly comprises a hoisting mechanism, a running mechanism, a luffing mechanism, a slewing mechanism, a metal structure and the like. The hoisting mechanism is the basic working mechanism of the crane, mostly consists of a hanging system and a winch, and also lifts heavy objects through a hydraulic system. The running mechanism is used for longitudinally and horizontally moving a heavy object or adjusting the working position of the crane and generally comprises a motor, a speed reducer, a brake and wheels. The amplitude variation mechanism is only arranged on the jib crane, the amplitude of the jib crane is reduced when the jib crane is lifted up, the amplitude of the jib crane is increased when the jib crane is lifted down, and the jib crane is divided into a balanced amplitude variation mode and a non-balanced amplitude variation mode. The slewing mechanism is used for enabling the arm support to slew and consists of a driving device and a slewing bearing device. The metal structure is the framework of the crane, and the main bearing parts such as a bridge frame, an arm support and a portal frame can be box-shaped structures or truss structures, can also be web structures, and can use section steel as a supporting beam.

The lifting hook of current hoist is in the in-process that rises with the goods lift, when the lifting hook rises to the top, if the careless words of operating personnel, the lifting hook produces the striking with the bottom of receiving the line box easily to lead to wire rope to pull, long this in the past, lead to wire rope fracture easily, consequently, in order to solve this type of problem, we have provided one kind and have been used for hoist lifting hook anticollision device.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a crane hook scour protection hits device has solved the lifting hook and has produced the striking with the bottom of receiving the line box easily to lead to wire rope to drag, lead to wire rope cracked problem easily.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a hoist lifting hook scour protection hits device, includes the jib loading boom, the box is received to the bottom fixedly connected with line of jib loading boom one side, the bottom fixedly connected with anticollision case of receiving the box, a section of thick bamboo is placed to the top fixedly connected with of anticollision incasement wall, the first spring of top fixedly connected with of placing a section of thick bamboo inner wall, the bottom fixedly connected with contact plate of first spring, the bottom fixedly connected with depression bar of contact plate, the bottom of depression bar runs through the anticollision case and extends to the outside of anticollision case, the bottom fixedly connected with anticollision board of depression bar, the bottom of anticollision board is rotated through the dwang and is connected with the clamp plate.

Preferably, the wire winding box is fixedly connected with a wire winding wheel through a fixing plate, and a steel wire rope is wound on the outer side surface of the wire winding wheel.

Preferably, through grooves are formed in the two sides of the placing cylinder, and the inner surfaces of the through grooves are matched with the outer surface of the contact plate.

Preferably, the surface of the pressure lever is sleeved with a second spring, the second spring is located inside the anti-collision box, and two ends of the second spring are fixedly connected with the bottom of the contact plate and the bottom of the inner wall of the anti-collision box respectively.

Preferably, the bottom of the crash box is fixedly connected with a cushion pad, the cushion pad is annular, and the inner surface of the cushion pad is matched with the outer surface of the compression bar.

Preferably, the standing groove has been seted up to the bottom of anticollision board, the inside fixedly connected with slide bar of standing groove, the surface sliding connection of slide bar has the slider, the surface cover of slide bar is equipped with the third spring, the both ends of third spring respectively with one side of slider and the inner wall fixed connection of standing groove, the bottom of slider is rotated with the top of dwang and is connected.

Preferably, the bottom of the steel wire rope sequentially penetrates through the wire collecting box, the anti-collision box and the anti-collision plate from top to bottom and extends to the outside of the anti-collision plate, and the bottom of the steel wire rope is fixedly connected with a lifting hook.

Advantageous effects

The utility model provides a hoist lifting hook anti-collision device. Compared with the prior art, the method has the following beneficial effects:

(1) the crane hook anti-collision device is characterized in that a wire collecting box is fixedly connected to the bottom of one side of a crane boom, an anti-collision box is fixedly connected to the bottom of the wire collecting box, a placing cylinder is fixedly connected to the top of the inner wall of the anti-collision box, a first spring is fixedly connected to the top of the inner wall of the placing cylinder, a contact plate is fixedly connected to the bottom of the first spring, a pressure rod is fixedly connected to the bottom of the contact plate, the bottom of the pressure rod penetrates through the anti-collision box and extends to the outside of the anti-collision box, an anti-collision plate is fixedly connected to the bottom of the pressure rod, a pressure plate is rotatably connected to the bottom of the anti-collision plate through a rotating rod, a second spring is sleeved on the surface of the pressure rod between the contact plate and the bottom of the inner wall of the anti-collision box, two ends of the second spring are respectively fixedly connected to the bottom of the contact, through the effect of blotter, cushion the lifting hook, reduce the impact of lifting hook to receiving the line box, at the in-process that rises, compress first spring through the contact plate, first spring implements the elastic action to the contact plate, and then further cushions the lifting hook, has avoided the bottom production striking of lifting hook and receipts line box to lead to wire rope to drag, lead to the wire rope fracture, improved the protectiveness to wire rope.

(2) This hoist lifting hook anti-collision device, the standing groove has been seted up through the bottom at crashproof board, the inside fixedly connected with slide bar of standing groove, the surface sliding connection of slide bar has the slider, the surface cover of slide bar is equipped with the third spring, the both ends of third spring respectively with one side of slider and the inner wall fixed connection of standing groove, the bottom of slider is rotated with the top of dwang and is connected, through the dwang, the slider, the cooperation of third spring and slide bar is used, in-process that the lifting hook rises, through with the clamp plate contact, extrude the third spring, under the spring action of third spring, cushion the speed reduction effect to the lifting hook, and then reduce the lifting hook and rise the impact to receiving the line box, and then protect wire rope.

Drawings

FIG. 1 is a front view of the internal structure of the present invention;

FIG. 2 is a cross-sectional view of the placement barrel of the present invention;

FIG. 3 is a side view of the placement canister of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1;

fig. 5 is a front view of the present invention.

In the figure: 1-cargo boom, 2-take-up box, 3-crash box, 4-placing barrel, 5-first spring, 6-contact plate, 7-compression bar, 8-crash plate, 9-rotation bar, 10-compression plate, 11-fixing plate, 12-twisted wire wheel, 13-steel wire rope, 14-through groove, 15-second spring, 16-buffer pad, 17-placing groove, 18-slide bar, 19-slide block, 20-third spring and 21-lifting hook.

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. 1-5, the present invention provides a technical solution: a crane hook anti-collision device comprises a crane boom 1, wherein the bottom of one side of the crane boom 1 is fixedly connected with a wire collecting box 2, the inside of the wire collecting box 2 is fixedly connected with a wire twisting wheel 12 through a fixing plate 11, a wire rope 13 is wound on the outer side surface of the wire twisting wheel 12, the bottom end of the wire rope 13 sequentially penetrates through the wire collecting box 2, an anti-collision box 3 and an anti-collision plate 8 from top to bottom and extends to the outside of the anti-collision plate 8, the bottom end of the wire rope 13 is fixedly connected with a lifting hook 21, the bottom of the wire collecting box 2 is fixedly connected with the anti-collision box 3, the bottom of the anti-collision box 3 is fixedly connected with a buffer cushion 16, the buffer cushion 16 is annular, the inner surface of the buffer cushion 16 is matched with the outer surface of a compression bar 7, the top of the inner wall of the anti-collision box 3 is fixedly connected with a placing, the top of the inner wall of the placing barrel 4 is fixedly connected with a first spring 5, the bottom end of the first spring 5 is fixedly connected with a contact plate 6, the bottom ends of the first springs 5 are fixedly connected with contact plates 6, one side opposite to the two contact plates 6 is respectively connected with the inner wall of the crash box 3 in a sliding manner, the bottom end of the contact plate 6 is fixedly connected with a pressure lever 7, the surface of the pressure lever 7 is sleeved with a second spring 15, the second spring 15 is positioned inside the crash box 3, two ends of the second spring 15 are respectively fixedly connected with the bottom of the contact plate 6 and the bottom of the inner wall of the crash box 3, the bottom end of the pressure lever 7 penetrates through the crash box 3 and extends to the outside of the crash box 3, the bottom end of the pressure lever 7 is fixedly connected with a crash board 8, the bottom of the crash board 8 is provided with a placing groove 17, the placing groove 17 is provided with two groups of symmetrical devices, the outer surface cover of slide bar 18 is equipped with third spring 20, and the both ends of third spring 20 respectively with one side of slider 19 and the inner wall fixed connection of standing groove 17, the bottom of slider 19 and the top of dwang 9 rotate to be connected, the bottom of crashproof board 8 is connected with clamp plate 10 through dwang 9 rotation.

When the device works, when the motor drives the wire twisting wheel 12 to wind, the lifting hook 21 is driven by the steel wire rope 13 to move upwards, in the rising process of the lifting hook 21, the top of the lifting hook 21 can be contacted with the bottom of the pressing plate 10 and pushes the pressing plate 10 upwards to enable the rotating rod 9 to rotate, through the matched use of the rotating rod 9 and the sliding blocks 19, the two sliding blocks 19 slide along the surface of the sliding rod 18 in opposite directions, and simultaneously compress the third spring 20, under the elastic action of the third spring 20, the lifting hook 21 is buffered and decelerated, so that the impact force of the rising of the lifting hook 21 on the wire winding box 2 is reduced, the steel wire rope 13 is protected, when the top of the pressing plate 10 is contacted with the bottom of the crash-proof plate 8, the lifting hook 21, the pressing plate 10 and the crash-proof plate 8 move upwards together, in the moving process, the crash-proof plate 8 pushes the pressing rod 7 to move upwards, and the pressing rod 7 compresses the first, and contact plate 6 upwards moves along logical groove 14, and two contact plates 6 relative one sides slide along the inner wall of anticollision case 3, at this in-process, compress first spring 5 through contact plate 6, and first spring 5 implements the elastic force effect to contact plate 6, and then further cushions lifting hook 21, has avoided lifting hook 21 and the bottom of receiving line box 2 to produce the striking, thereby lead to wire rope 13 to pull, lead to wire rope 13 fracture, improved the protectiveness to wire rope 13.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a crane hook anticollision device, includes jib loading boom (1), its characterized in that: the utility model discloses a line winding device, including jib loading boom (1), bottom fixedly connected with of roof loading boom (1) one side is received line box (2), the bottom fixedly connected with anticollision case (3) of receiving line box (2), the top fixedly connected with of anticollision case (3) inner wall places a section of thick bamboo (4), place the first spring of top fixedly connected with (5) of a section of thick bamboo (4) inner wall, the bottom fixedly connected with contact plate (6) of first spring (5), the bottom fixedly connected with depression bar (7) of contact plate (6), the outside of anticollision case (3) and extending to anticollision case (3) is run through to the bottom of depression bar (7), the bottom fixedly connected with anticollision board (8) of depression bar (7), the bottom of anticollision board (8) is rotated through dwang (9) and is connected with clamp plate (10).

2. A crane hook anti-collision device as claimed in claim 1, characterised in that: the wire winding box is characterized in that a wire winding wheel (12) is fixedly connected to the inside of the wire winding box (2) through a fixing plate (11), and a steel wire rope (13) is wound on the outer side face of the wire winding wheel (12).

3. A crane hook anti-collision device as claimed in claim 1, characterised in that: through grooves (14) are formed in two sides of the placing barrel (4), and the inner surfaces of the through grooves (14) are matched with the outer surface of the contact plate (6).

4. A crane hook anti-collision device as claimed in claim 1, characterised in that: the surface cover of depression bar (7) is equipped with second spring (15), second spring (15) are located the inside of anticollision case (3), the both ends of second spring (15) respectively with the bottom of contact plate (6) and the bottom fixed connection of anticollision case (3) inner wall.

5. A crane hook anti-collision device as claimed in claim 1, characterised in that: the bottom fixedly connected with blotter (16) of anticollision case (3), blotter (16) are cyclic annular, the internal surface of blotter (16) and the surface looks adaptation of depression bar (7).

6. A crane hook anti-collision device as claimed in claim 1, characterised in that: standing groove (17) have been seted up to the bottom of crashproof board (8), the inside fixedly connected with slide bar (18) of standing groove (17), the surface sliding connection of slide bar (18) has slider (19), the surface cover of slide bar (18) is equipped with third spring (20), the both ends of third spring (20) respectively with the inner wall fixed connection of one side of slider (19) and standing groove (17), the bottom of slider (19) is rotated with the top of dwang (9) and is connected.

7. A crane hook anti-collision device as claimed in claim 2, characterised in that: the bottom of wire rope (13) from last down runs through in proper order and receives line box (2), anticollision case (3) and anticollision board (8) and extend the outside of anticollision board (8), the bottom fixedly connected with lifting hook (21) of wire rope (13).