CN113753739A

CN113753739A - Combined anti-falling device for hook of crane

Info

Publication number: CN113753739A
Application number: CN202110947057.2A
Authority: CN
Inventors: 王来春
Original assignee: Heilongjiang Huaming Pipe Industry Co ltd
Current assignee: Heilongjiang Huaming Pipe Industry Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2021-12-07

Abstract

The invention discloses a combined anti-falling device of a crane coupler, which comprises a lifting hook, wherein the upper end of the lifting hook is fixedly provided with a steel wire rope, the upper end of the steel wire rope is connected with a suspension arm of the crane, an anti-drop mechanism for preventing and blocking the hook is arranged at the position of the hook close to the upper end, the upper end of the lifting hook can be rotatably hung on the hanging plate, the lifting hook and the hanging plate can be controlled to be rotatably connected, an inverted U-shaped fixing frame is fixedly arranged at the upper end of the hanging plate, the upper end of the fixing frame is fixedly connected with the steel wire rope through a connecting sleeve, when hoisting the heavy object, the hook is hung on the heavy object, at the moment, the anti-drop protection is realized by plugging the opening of the anti-drop mechanism with multiple hooks, the anti-drop mechanism has better anti-drop effect, meanwhile, the lifting hook can be rotated and controlled between the lifting hook and the hanging plate to be aligned with the heavy object when the heavy object is hung, and the hanging is more convenient by controlling the direction of the lifting hook.

Description

Combined anti-falling device for hook of crane

Technical Field

The invention relates to the technical field of crane couplers, in particular to a combined anti-falling device for a crane coupler.

Background

The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. The lifting hook is a common lifting appliance in hoisting machinery, is usually hung on a steel wire rope of a hoisting mechanism by means of a pulley block and other parts, and is divided into a single hook and a double hook according to the shape, and a forging lifting hook and a laminated lifting hook according to the manufacturing method.

The applicant of the invention finds that the existing lifting hook for the crane has the risk of unhooking when lifting the heavy object, has poor anti-drop effect, and is inconvenient for hanging the lifting hook on the heavy object when lifting the heavy object.

Disclosure of Invention

The invention aims to provide a combined anti-drop device for a hook of a crane, aiming at solving the problems that the existing lifting hook for the crane has the risk of unhooking when lifting a heavy object, has poor anti-drop effect and is inconvenient for hanging the lifting hook on the heavy object when lifting the heavy object.

The invention is realized by the following steps:

the utility model provides a crane coupler combination formula anticreep device, including the lifting hook, the fixed wire rope that is provided with in upper end of lifting hook, and wire rope's upper end is connected with the davit of crane, the lifting hook is close to the upper end position and is provided with the anti-disengaging mechanism that carries out the anticreep and block to the lifting hook, and the upper end of lifting hook is rotatable to be hung on the link plate, steerable rotation is connected between lifting hook and the link plate, the fixed mount that is provided with the type of falling U in upper end of link plate, and the upper end of mount is through adapter sleeve and wire rope fixed connection, when lifting by crane to the heavy object, hang on the heavy object through the lifting hook, carry out the shutoff through the many lifting hook openings of anti-disengaging mechanism this moment and then realize the anticreep protection, better mousing effect has, rotatable control through between lifting hook and the link plate can be when hanging to the heavy object simultaneously, make it aim at the heavy object through the direction of control lifting hook, hang more convenience.

Further, the anti-disengaging mechanism includes that the horizontal pin that runs through the lifting hook and be close to the upper end position, and the upper surface that is located the one end in the outside of pin is provided with the rack, and the pin passes through the rack and fixes the anti-disengaging gear engagement on the anti-disengaging motor output shaft on the lifting hook, is provided with on the lifting hook with pin complex guiding hole, thereby support the open-ended of tight realization to the lifting hook and seal through the one end of anti-disengaging motor drive anti-disengaging gear revolve drive pin to the lifting hook.

Furthermore, the upper end of lifting hook is provided with the pivot, and the upper end of pivot passes the fixed retaining ring that is provided with of link plate, and the pivot is located the fixed rotating gear that is provided with in upside position of retaining ring, and rotating gear and the driving gear meshing of rotating motor output shaft, and rotate the motor and fix the upper surface at the link plate, thereby it rotates the rotation control of realization to the lifting hook to drive the rotating gear through rotating the motor.

Furthermore, the upper end head part of the rotating shaft is fixedly provided with a locking gear, the locking gear is matched with a locking mechanism fixed on one side of the fixing frame in a locking mode, and the locking mechanism controls the locking gear to be locked so as to fix the direction of the lifting hook which is well rotationally adjusted.

Further, locking mechanism is including running through the locking lever of mount one side, the outside one end of locking lever is provided with the support frame of fixing in mount one side, the fixed locking motor that is provided with in the outside of support frame, and the output shaft of locking motor passes support frame fixedly connected with screw rod, the one end of screw rod is twisted soon on the locking lever, the inboard one end of locking lever be provided with locking gear complex tooth's socket, thereby rotate the tooth's socket top of drive locking lever one end through locking motor drive screw and tightly realize the locking chucking at locking gear.

Further, the fixed lighting device that is provided with of opposite side of mount, lighting device one end is passed through the fixed spiral shell head of connecting tube tip and is twisted soon on the mount, and lighting device's lower surface is provided with LED lamp and camera, throws light on through the LED lamp under the darker condition and makes things convenient for the accurate operation of operator, carries out real-time video through the camera simultaneously and records the safe operation that the observation assurance of convenient operator on the detail when lifting by crane remotely.

Furthermore, the outside of mount is provided with the safety cover that carries out the protection to lighting mechanism, and the mount side is provided with the through wires hole with the connecting pipe intercommunication, realizes the threading of electric wire through wires hole and connecting pipe.

Furthermore, the lower end of the steel wire rope is provided with a plug inserted into the connecting sleeve, the plug is provided with a locking groove, a locking screw tightly propped against the locking groove is screwed on the connecting sleeve, and the steel wire rope is inserted into the connecting sleeve through the plug and is locked and fixed through the locking screw.

Further, one side of mount is located locking mechanism's below and is provided with the controller, the controller includes the box body, the inboard of box body is provided with the mainboard, and the inboard of box body still is provided with the battery, the outside port department of box body is provided with the apron, and the both sides of apron all are provided with the jam plate of card on the box body, be provided with wireless transmission module on the mainboard, provide the electric energy for LED lamp and camera through the battery, and carry out real-time transmission and the wireless remote operation control of radio signal through wireless transmission module.

Compared with the prior art, the invention has the beneficial effects that:

when lifting by crane the thing, hang on the heavy object through the lifting hook, carry out the shutoff through the many lifting hook openings of anti-disengaging mechanism this moment and then realize the anticreep protection, have better mousing-hook effect, rotatable control through between lifting hook and the link plate can be when hanging the thing to heavy object simultaneously, makes it aim at the heavy object through the direction of control lifting hook, hangs more convenience.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a perspective view of a combined anti-disengaging device for a crane coupler according to the present invention;

FIG. 2 is a schematic structural diagram of an anti-disengaging mechanism of a combined anti-disengaging device for a crane coupler according to the present invention;

FIG. 3 is a schematic view of a hook of the combined anti-tripping device for a crane coupler according to the present invention;

FIG. 4 is a schematic view of a locking mechanism of a combined anti-disengagement device for a crane coupler according to the present invention;

FIG. 5 is a schematic view of an illumination mechanism of a combined anti-disengagement device for a crane coupler according to the present invention;

FIG. 6 is a schematic view of a fixing frame of the combined anti-disengaging device for the coupler of the crane according to the present invention;

FIG. 7 is a schematic view of a connecting sleeve of the combined anti-disengaging device for the coupler of the crane, which is disclosed by the invention;

fig. 8 is a schematic diagram of a controller of a combined anti-disengaging device for a crane coupler according to the present invention.

In the figure: 1. a wire rope; 110. locking the groove; 120. a plug; 2. connecting sleeves; 21. locking screws; 3. a fixed mount; 31. threading holes; 32. a protective cover; 4. hanging the plate; 5. hooking; 51. a rotating shaft; 52. a retainer ring; 53. a lock gear; 54. a rotating gear; 55. a guide hole; 6. a locking mechanism; 61. locking the motor; 62. a support frame; 63. a screw; 64. a lock lever; 65. a tooth socket; 7. a controller; 71. a cover plate; 72. a box body; 73. a main board; 74. a locking plate; 75. a battery; 8. an anti-drop mechanism; 81. a stop lever; 82. a rack; 83. an anti-drop motor; 84. an anti-drop gear; 9. an illumination mechanism; 91. fixing the screw head; 92. a connecting pipe; 93. an LED lamp; 94. a camera is provided.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Embodiment 1, specifically refer to fig. 1, 2, and 3, a combined anti-disengaging device for a hook of a crane includes a hook 5, a steel wire rope 1 is fixedly disposed at an upper end of the hook 5, an upper end of the steel wire rope 1 is connected to a boom of the crane, an anti-disengaging mechanism 8 for performing anti-disengaging blocking on the hook 5 is disposed at a position of the hook 5 near the upper end, the anti-disengaging mechanism 8 includes a blocking rod 81 transversely penetrating the hook 5 near the upper end, an opening of the hook 5 is closed by the blocking rod 81 to complete the anti-disengaging blocking, a rack 82 is disposed on an upper surface of an end of the blocking rod 81 located on an outer side, the blocking rod 81 and the anti-disengaging gear 84 are engaged with each other through cooperation of the rack 82, the blocking rod 81 and the anti-disengaging gear 84 on an output shaft of an anti-disengaging motor 83 fixed on the hook 5 are engaged with each other, a guide hole 55 engaged with the blocking rod 81 is disposed on the hook 5, and the blocking rod 81 is driven to rotate by the anti-disengaging gear 83 to drive the blocking rod 81 to abut against one end of the hook 5 to tightly realize the hook 55 open-ended seals, and the upper end of lifting hook 5 is rotatable to be hung on link plate 4, steerable rotation is connected between lifting hook 5 and the link plate 4, the upper end of lifting hook 5 is provided with pivot 51, and the upper end of pivot 51 is passed the fixed retaining ring 52 that is provided with of link plate 4, pivot 51 is located the fixed rotating gear 54 that is provided with in upside position of retaining ring 52, rotating gear 54 and the epaxial driving gear engagement of rotating motor output, and the rotating motor is fixed at the upper surface of link plate 4, thereby it rotates the rotation control of realization to lifting hook 5 to drive pivot 51 through rotating motor drive rotating gear 54, the fixed mount 3 that is provided with the type of falling U in upper end of link plate 4, and adapter sleeve 2 and wire rope 1 fixed connection are passed through to the upper end of mount 3.

Referring to fig. 3 and 4 in detail, a locking gear 53 is fixedly disposed at an upper end of the rotating shaft 51, the locking gear 53 is in locking fit with a locking mechanism 6 fixed at one side of the fixing frame 3, the locking mechanism 6 controls the locking gear 53 to fix the direction of the hook 5 with adjusted rotation, the direction of the hook 5 with adjusted rotation can be effectively prevented from rotating in a suspended state by fixing the direction of the hook 5, so as to ensure safer lifting of heavy objects, the locking mechanism 6 includes a locking rod 64 penetrating through one side of the fixing frame 3, a support frame 62 fixed at one side of the fixing frame 3 is disposed at one end of the outer side of the locking rod 64, a locking motor 61 is fixedly disposed at the outer side of the support frame 62, an output shaft of the locking motor 61 penetrates through the support frame 62 and is fixedly connected with a screw 63, one end of the screw 63 is screwed on the locking rod 64, and the rotation of the screw 63 drives the locking rod 64 to extend and retract, one end of the inner side of the lock rod 64 is provided with a tooth groove 65 matched with the locking gear 53, more stable locking is realized through the matching of the tooth groove 65 and the locking gear 53, and the locking motor 61 drives the screw 63 to rotate, so that the tooth groove 65 at one end of the lock rod 64 is tightly pressed against the locking gear 53 to realize locking and clamping.

Referring to fig. 1, 5 and 6, an illuminating mechanism 9 is fixedly disposed on the other side of the fixing frame 3, a protecting cover 32 for protecting the illuminating mechanism 9 is disposed on the outer side of the fixing frame 3, the protecting cover 32 is used for protecting the illuminating mechanism 9 from collision, a threading hole 31 communicated with a connecting pipe 92 is disposed on the side surface of the fixing frame 3, threading of an electric wire is achieved through the threading hole 31 and the connecting pipe 92, one end of the illuminating mechanism 9 is screwed on the fixing frame 3 through a fixing screw 91 at the end of the connecting pipe 92, the connecting pipe 92 is screwed on the fixing frame 3 through the fixing screw 91 to facilitate installation and disassembly of the fixing frame, maintenance and replacement in the later period are facilitated, an LED lamp 93 and a camera 94 are disposed on the lower surface of the illuminating mechanism 9, the LED lamp 93 is used for illuminating under the dark condition, so that an operator can operate accurately, and a real-time video is recorded through the camera 94, so that the operator can observe and record details of the remote lifting operation And the safety operation of hoisting is ensured.

Specifically, referring to fig. 1 and 7, a plug 120 inserted into the connecting sleeve 2 is disposed at the lower end of the steel wire rope 1, a locking groove 110 is disposed on the plug 120, a locking screw 21 tightly pressed against the locking groove 110 is screwed on the connecting sleeve 2, the steel wire rope 1 is inserted into the connecting sleeve 2 through the plug 120 and is locked and fixed by the locking screw 21, and more firm fixation is achieved by the matching of the locking groove 110 and the locking screw 21

Referring to fig. 1 and 8, a controller 7 is disposed on one side of the fixing frame 3 below the locking mechanism 6, the controller 7 includes a box 72, a main board 73 is disposed on an inner side of the box 72, a processor on the main board 73 processes and transmits information collected by the camera 94, and controls the rotating motor, the locking motor 61, the anti-falling motor 83 and the LED lamp 93, a battery 75 is disposed on an inner side of the box 72, a cover plate 71 is disposed at an outer port of the box 72, locking plates 74 clamped on the box 72 are disposed on two sides of the cover plate 71, a wireless transmission module is disposed on the main board 73, the battery 75 provides electric energy for the LED lamp 93 and the camera 94, and the wireless transmission module performs real-time transmission and wireless remote operation control of wireless signals.

The working principle is that when heavy objects are hoisted, videos are recorded in real time through the camera 94 and are transmitted to a display screen of the console through the wireless transmission module, an operator remotely controls the console to rotate the motor to drive the rotating gear 54 to drive the rotating shaft 51 to rotate the lifting hook 5 to a proper angle, then the heavy objects are hoisted, after the heavy objects are hoisted, the anti-falling motor 83 is controlled to drive the anti-falling gear 84 to rotate, so that the stop rod 81 is driven to abut against one end of the lifting hook 5 to close the opening of the lifting hook 5, and then the heavy objects can be hoisted.

The device obtained by the design can basically meet the requirements that the anti-drop effect of the existing lifting hook for the crane is good when the lifting hook lifts heavy objects, and meanwhile, the lifting hook is convenient to use when the lifting hook lifts the heavy objects, but the designer further improves the device according to the purpose of further perfecting the function of the lifting hook.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a combination formula anticreep device of crane coupler, includes lifting hook (5), the fixed wire rope (1) that is provided with in upper end of lifting hook (5), and the upper end of wire rope (1) is connected its characterized in that with the davit of crane: lifting hook (5) are close to the upper end position and are provided with anti-disengaging mechanism (8) that carry out the anticreep and block lifting hook (5), and the upper end of lifting hook (5) is rotatable to be hung on link plate (4), steerable rotation is connected between lifting hook (5) and link plate (4), the fixed mount (3) that is provided with the type of falling U in upper end of link plate (4), and the upper end of mount (3) is through adapter sleeve (2) and wire rope (1) fixed connection.

2. The combined type anti-disengaging device for the hook of the crane according to claim 1, wherein the anti-disengaging mechanism (8) comprises a blocking rod (81) transversely penetrating through the lifting hook (5) near the upper end part, the upper surface of the end of the blocking rod (81) located at the outer side is provided with a rack (82), the blocking rod (81) is meshed with an anti-disengaging gear (84) fixed on the output shaft of an anti-disengaging motor (83) on the lifting hook (5) through the rack (82), and the lifting hook (5) is provided with a guide hole (55) matched with the blocking rod (81).

3. The combined anti-disengaging device for the hook of the crane according to claim 1, wherein a rotating shaft (51) is arranged at the upper end of the lifting hook (5), a retaining ring (52) is fixedly arranged at the upper end of the rotating shaft (51) through the hanging plate (4), a rotating gear (54) is fixedly arranged at the upper side part of the retaining ring (52) of the rotating shaft (51), the rotating gear (54) is engaged with a driving gear on an output shaft of a rotating motor, and the rotating motor is fixed on the upper surface of the hanging plate (4).

4. A combined anti-release device for a crane coupler according to claim 3, wherein a locking gear (53) is fixedly arranged at the upper end of the rotating shaft (51), and the locking gear (53) is in locking engagement with a locking mechanism (6) fixed at one side of the fixed frame (3).

5. The combined anti-disengaging device for the crane coupler according to claim 4, wherein the locking mechanism (6) comprises a lock rod (64) penetrating through one side of the fixed frame (3), a support frame (62) fixed on one side of the fixed frame (3) is arranged at one end of the outer side of the lock rod (64), a locking motor (61) is fixedly arranged on the outer side of the support frame (62), an output shaft of the locking motor (61) penetrates through the support frame (62) and is fixedly connected with a screw rod (63), one end of the screw rod (63) is screwed on the lock rod (64), and a tooth groove (65) matched with the locking gear (53) is arranged at one end of the inner side of the lock rod (64).

6. The combined anti-disengaging device for the crane coupler according to claim 1, wherein an illuminating mechanism (9) is fixedly arranged on the other side of the fixed frame (3), one end of the illuminating mechanism (9) is screwed on the fixed frame (3) through a fixing screw head (91) at the end of the connecting pipe (92), and an LED lamp (93) and a camera (94) are arranged on the lower surface of the illuminating mechanism (9).

7. A combined anti-disengaging device for a crane coupler according to claim 6, characterized in that a protective cover (32) for protecting the lighting mechanism (9) is provided on the outer side of the fixed frame (3), and a threading hole (31) communicating with the connecting pipe (92) is provided on the side of the fixed frame (3).

8. The combined anti-disengaging device for the crane coupler according to claim 1, wherein a plug (120) inserted into the connecting sleeve (2) is arranged at the lower end of the steel wire rope (1), a locking groove (110) is arranged on the plug (120), and a locking screw (21) tightly pressed against the locking groove (110) is screwed on the connecting sleeve (2).

9. The combined anti-disengaging device for the crane coupler according to claim 1, wherein a controller (7) is disposed on one side of the fixing frame (3) below the locking mechanism (6), the controller (7) comprises a box body (72), a main board (73) is disposed on the inner side of the box body (72), a battery (75) is further disposed on the inner side of the box body (72), a cover plate (71) is disposed at an outer end of the box body (72), locking plates (74) clamped on the box body (72) are disposed on both sides of the cover plate (71), and a wireless transmission module is disposed on the main board (73).