CN223852086U - Bridge crane lifting hook securing device - Google Patents

Abstract

The application relates to a bridge crane lifting hook stabilizing device which comprises a connecting piece and a lifting hook main body, wherein the bottom of the connecting piece is fixedly connected with a connecting shaft, the bottom end of the connecting shaft is fixedly connected with the lifting hook main body, two sides of the lifting hook main body are symmetrically and fixedly connected with positioning frames, the inside of each positioning frame is rotationally connected with a rotation positioning assembly, the outside of the lifting hook main body is fixedly connected with a mounting box, the inside of the mounting box is rotationally connected with a limiting assembly, and one side of the mounting box is fixedly connected with a reset assembly. The application can position the connected rope, so that the rope is limited, the position of the rope on the lifting hook is stable, the rope is favorably and accurately fixed at the specific position of the lifting hook, the rope is prevented from sliding in the lifting hook to a large extent, the rope is effectively prevented from slipping off the lifting hook due to shaking, friction or other external force in the lifting process, the falling risk of heavy objects caused by falling of the rope is greatly reduced, and the safety of personnel and equipment is ensured.

Description

Bridge crane lifting hook securing device

Technical Field

The application relates to the technical field of crane hooks, in particular to a bridge crane hook stabilizing device.

Background

The bridge crane is hoisting equipment for hoisting materials above workshops, warehouses and yards, and mainly comprises a bridge frame, a cart traveling mechanism, a trolley traveling mechanism and an electric control mechanism, wherein the materials and a lifting hook are connected before use, when the bridge crane is used, a cart motor drives a crane to longitudinally move back and forth along rails on two sides of the workshop, a trolley and a hoisting mechanism are driven by the cart motor to transversely move left and right along the rails on the bridge frame, when a heavy object is lifted, the lifting motor drives the lifting motor to vertically move up and down, and the transfer of the materials between any points of a moving space can be realized through the cooperation of the three movements;

part of the crane lifting hooks are simple hook-shaped lifting hooks, the simple lifting hooks are not provided with necessary safety protection devices such as unhooking prevention devices, and in the lifting process, if an object shakes or a steel wire rope loosens, the simple lifting hooks without unhooking prevention devices can easily fall off slings or hung objects, so that safety accidents are caused.

Disclosure of Invention

In order to reduce unhooking of a crane hook and improve safety, the application provides a bridge crane hook stabilizing device.

The application provides a bridge crane lifting hook stabilizing device which adopts the following technical scheme:

The utility model provides a bridge crane lifting hook stabilising arrangement, includes connecting piece and lifting hook main part, connecting piece bottom fixedly connected with connecting axle, connecting axle bottom fixedly connected with lifting hook main part, lifting hook main part bilateral symmetry fixedly connected with locating rack, the inside rotation of locating rack is connected with rotation locating component, lifting hook main part outside fixedly connected with installation box, the inside rotation of installation box is connected with spacing subassembly, one side fixedly connected with subassembly that resets of installation box, the device can fix a position the rope after connecting for the rope is spacing, fixes the rope in the specific position of lifting hook accurately, prevents effectively that the rope from sliding off from the lifting hook because of rocking, friction or other exogenic actions in the lifting process, greatly reduced the heavy object risk of falling because of the rope drops and led to, ensured personnel and equipment's safety.

Preferably, the rotation positioning assembly comprises positioning gears, the positioning gears are rotationally connected inside two positioning frames, a shaft body is arranged between the two positioning frames and penetrates through the middle of the positioning gears, connecting notches are formed in the side edges of the positioning gears, ropes are placed at the connecting notches, the ropes are limited to a certain extent, the ropes are prevented from shaking to a large extent, and hoisting safety is improved.

Preferably, the limiting assembly comprises a fixed main shaft, the fixed main shaft is fixedly connected to the middle of the installation box, the positioning gear is rotationally connected to the inside of the installation box, the positioning gear is fixedly connected with a rotary clamping cylinder on one side, a sliding clamping cylinder is connected to one side of the positioning gear in a meshed mode, inclined tooth grooves are formed in one sides, close to each other, of the rotary clamping cylinder, a plurality of limiting pipes are fixedly connected to the outer side of the sliding clamping cylinder at equal angles, the sliding clamping cylinder and the rotary clamping cylinder are matched through the inclined tooth grooves, the sliding clamping cylinder rotates along a single direction along with the positioning gear, the positioning gear is prevented from rotating, and the hoisting stability is guaranteed.

Preferably, the rotating clamping cylinder penetrates through the side wall of the mounting box, the rotating clamping cylinder and the positioning gear rotate along the fixed main shaft, and the inclined tooth slot at the end part of the rotating clamping cylinder and the inclined tooth slot at the end part of the sliding clamping cylinder are mutually clamped to limit the rotating direction of the rotating clamping cylinder.

Preferably, the reset assembly comprises a fixed mounting seat, the fixed mounting seat is fixedly connected to one end of the fixed main shaft, which is far away from the mounting box, a reset top spring is sleeved at the end part of the fixed main shaft, two ends of the reset top spring are respectively in contact connection with the end faces of the sliding clamping cylinder and the fixed mounting seat, the reset top spring pushes the sliding clamping cylinder to contact and rotate the clamping cylinder, continuous thrust is provided for the sliding clamping cylinder, and stable limiting capacity is provided for the rotating clamping cylinder by the sliding clamping cylinder.

Preferably, the fixed mounting seat is close to a plurality of guide rods of equal angle fixedly connected with of one side of mounting box, the guide rods run through spacing pipe in mounting box side fixed connection, and the setting of guide rods prevents simultaneously that the slip block from section of thick bamboo from rotating to the stable supporting ability of slip block section of thick bamboo.

Compared with the prior art, the utility model has the beneficial effects that:

Through the rotation block section of thick bamboo of design, a sliding block section of thick bamboo, fixed mounting seat, spacing pipe, the guide bar, top spring resets, the locating rack, slope tooth's socket, make connecting rope after the card is gone into inside the connecting notch, positioning gear receives the gravity influence with fixed main shaft rotation, the cooperation locating rack is restricted connecting rope's mobile position, simultaneously a rotation block section of thick bamboo, a sliding block section of thick bamboo and the setting of slope tooth's socket cooperate top spring that resets provide stable thrust to a sliding block section of thick bamboo, through the slope tooth's socket meshing of a rotation block section of thick bamboo, sliding block section of thick bamboo tip make positioning gear can not turn round, make the position of rope on the lifting hook keep stable, thereby prevent to connect rope from coming off in the lifting hook.

Drawings

FIG. 1 is an isometric view of an overall structure of a hook securing device of a bridge crane embodying aspects of the present application;

FIG. 2 is a front view of a front structure of a hook stabilizer of a bridge crane according to an embodiment of the application;

FIG. 3 is an isometric view of an internal structure of a mounting box according to an embodiment of the application;

fig. 4 is an enlarged view of a portion a in fig. 3, mainly showing the internal structure of the mounting case.

The device comprises a connecting piece, a connecting shaft, a lifting hook main body, a mounting box, a fixed main shaft, a positioning gear, a rotary clamping cylinder, a sliding clamping cylinder, a fixed mounting seat, a limiting tube, a guide rod, a reset top spring, a positioning frame, a connecting notch, an inclined tooth slot and a connecting groove.

Detailed Description

The application is described in further detail below with reference to fig. 1-4.

The embodiment of the application discloses a lifting hook stabilizing device of a bridge crane.

Referring to fig. 1-4, the bridge crane lifting hook stabilizing device comprises a connecting piece 1 and a lifting hook main body 3, wherein the bottom of the connecting piece 1 is fixedly connected with a connecting shaft 2, the bottom end of the connecting shaft 2 is fixedly connected with the lifting hook main body 3, two sides of the lifting hook main body 3 are symmetrically and fixedly connected with positioning frames 13, the positioning frames 13 are internally and rotatably connected with rotating positioning components, the outer side of the lifting hook main body 3 is fixedly connected with a mounting box 4, the inner side of the mounting box 4 is rotatably and fixedly connected with a limiting component, and one side of the mounting box 4 is fixedly connected with a resetting component.

Further, rotate positioning assembly and include positioning gear 6, positioning gear 6 rotates to be connected in inside two locating racks 13, and the mount is equipped with the axis body and the axis body runs through positioning gear 6 middle part between two locating racks 13, and connecting notch 14 has been seted up to positioning gear 6 side, and when installing connecting rope, put connecting rope in positioning gear 6's connecting notch 14 inside, downward pulling connecting rope for positioning gear 6 rotates, until connecting rope and locating rack 13 contact.

Further, spacing subassembly includes fixed main shaft 5, fixed main shaft 5 fixed connection is in installation box 4 middle part, the inside rotation of installation box 4 is connected with positioning gear 6, positioning gear 6 one side fixedly connected with rotates block section of thick bamboo 7, positioning gear 6 one side meshing is connected with slide block section of thick bamboo 8, inclined tooth groove 15 has all been seted up to one side that rotates block section of thick bamboo 7 and slide block section of thick bamboo 8 are close to each other, a plurality of spacing pipes 10 of the equiangular fixed connection in slide block section of thick bamboo 8 outside, drive rotation block section of thick bamboo 7 when positioning gear 6 rotates, promote slide block section of thick bamboo 8 when rotating block section of thick bamboo 7 rotates and keep away from, positioning gear 6 stops rotating after the rope position is fixed, rope and locating rack 13 contact this moment, locating rack 13 stops the operation of rope.

Further, the rotating clamping cylinder 7 penetrates through the side wall of the mounting box 4, the rotating clamping cylinder 7 and the positioning gear 6 rotate along the fixed main shaft 5, and the inclined tooth slot 15 at the end part of the rotating clamping cylinder 7 and the inclined tooth slot 15 at the end part of the sliding clamping cylinder 8 are mutually clamped.

Further, reset assembly includes fixed mounting seat 9, fixed mounting seat 9 fixed connection is in fixed main shaft 5 one end that is away from mounting box 4, fixed main shaft 5 tip cover is equipped with the top spring 12 that resets, the both ends that top spring 12 that resets respectively with slip block section of thick bamboo 8 and fixed mounting seat 9 terminal surface contact connection, when the slip block section of thick bamboo 8 is kept away from in the promotion when rotating block section of thick bamboo 7, top spring 12 atress that resets is compressed, then promote slip block section of thick bamboo 8 by own elasticity and reset, keep with rotate block section of thick bamboo 7 meshing, prevent to rotate block section of thick bamboo 7 gyration.

Further, a plurality of guide rods 11 are fixedly connected to one side, close to the mounting box 4, of the fixed mounting seat 9 at equal angles, the guide rods 11 penetrate through the limiting pipe 10 to be fixedly connected to the side face of the mounting box 4, and the sliding clamping cylinder 8 slides along the guide rods 11.

The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.

Claims (6)

1. The bridge crane lifting hook stabilizing device is characterized by comprising a connecting piece (1) and a lifting hook main body (3), wherein the bottom of the connecting piece (1) is fixedly connected with a connecting shaft (2), the bottom end of the connecting shaft (2) is fixedly connected with the lifting hook main body (3), two sides of the lifting hook main body (3) are symmetrically and fixedly connected with positioning frames (13), the positioning frames (13) are internally and rotatably connected with a rotation positioning assembly, the outer side of the lifting hook main body (3) is fixedly connected with an installation box (4), the inner side of the installation box (4) is rotatably connected with a limiting assembly, and one side of the installation box (4) is fixedly connected with a reset assembly.

2. The crane hook stabilizing device of claim 1, wherein the rotating and positioning assembly comprises positioning gears (6), the positioning gears (6) are rotatably connected inside two positioning frames (13), a shaft body is arranged between the two positioning frames (13) in a fixed frame manner and penetrates through the middle of the positioning gears (6), and connecting notches (14) are formed in the side edges of the positioning gears (6).

3. The bridge crane hook stabilizing device according to claim 1, wherein the limiting assembly comprises a fixed main shaft (5), the fixed main shaft (5) is fixedly connected to the middle of the installation box (4), a positioning gear (6) is rotatably connected inside the installation box (4), a rotary clamping cylinder (7) is fixedly connected to one side of the positioning gear (6), a sliding clamping cylinder (8) is connected to one side of the positioning gear (6) in a meshed mode, inclined tooth grooves (15) are formed in one sides, close to each other, of the rotary clamping cylinder (7) and the sliding clamping cylinder (8), and a plurality of limiting pipes (10) are fixedly connected to the outer side of the sliding clamping cylinder (8) in an equal-angle mode.

4. A crane hook stabilizing device according to claim 3, wherein the rotary clamping cylinder (7) penetrates through the side wall of the mounting box (4), the rotary clamping cylinder (7) and the positioning gear (6) rotate along the fixed main shaft (5), and the inclined tooth grooves (15) at the end part of the rotary clamping cylinder (7) and the inclined tooth grooves (15) at the end part of the sliding clamping cylinder (8) are meshed with each other.

5. The bridge crane hook stabilizing device according to claim 1, wherein the reset assembly comprises a fixed mounting seat (9), the fixed mounting seat (9) is fixedly connected to one end of a fixed main shaft (5) far away from the mounting box (4), a reset top spring (12) is sleeved at the end part of the fixed main shaft (5), and two ends of the reset top spring (12) are respectively in contact connection with the end face of the sliding clamping cylinder (8) and the end face of the fixed mounting seat (9).

6. The crane hook stabilizing device of claim 5, wherein a plurality of guide rods (11) are fixedly connected to one side of the fixed mounting seat (9) close to the mounting box (4) at equal angles, and the guide rods (11) penetrate through the limiting pipe (10) and are fixedly connected to the side face of the mounting box (4).