CN214192236U

CN214192236U - Crane steel wire rope anti-drop device

Info

Publication number: CN214192236U
Application number: CN202023074038.3U
Authority: CN
Inventors: 杨永东
Original assignee: Shandong Luqi Hoisting Machinery Co ltd
Current assignee: Shandong Luqi Hoisting Machinery Co ltd
Priority date: 2020-12-19
Filing date: 2020-12-19
Publication date: 2021-09-14
Anticipated expiration: 2030-12-19

Abstract

The utility model discloses a crane wire rope anti-drop device, which belongs to the crane field and comprises a support frame, wherein the middle part of the support frame is provided with a support rod, the outer surface of the support rod is provided with a pulley, the front end and the rear end of the support frame are provided with limit plates, the support frame and a square rod are connected through a bolt, the lower end of the support frame is provided with a lifting hook, the crane wire rope anti-drop device is provided with a chute for limiting the position of a wire rope at the upper end of the pulley, two sides of the pulley are provided with limit blocks for limiting the position of the wire rope, the wire rope can be effectively prevented from being separated from the pulley through the combined action of the chute and the limit blocks, the lifting stability can be ensured, a groove is arranged in the lifting hook, and the rope for binding a lifted object is fixed through the joint of a clamping rod and a clamping groove, the object can be effectively prevented from falling off, and the phenomenon of smashing workers can be avoided, the safety is higher, is favorable to using.

Description

Crane steel wire rope anti-drop device

Technical Field

The utility model relates to a hoist field, more specifically say, relate to a hoist wire rope dropout prevention means.

Background

The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. The crane mainly comprises a hoisting mechanism, a running mechanism, a luffing mechanism, a slewing mechanism, a metal structure and the like.

At present, some hoist wire rope dropout prevention means that exist on the market use wire rope etc. to lift by crane the operation to the lifting hook, because it is overweight to lift by crane article, or other circumstances, wire rope breaks away from the pulley can take place, lead to lifting by crane and can not normally go on, and the lifting hook fixity of some current hoists is general, when fixing the rope to binding article, be difficult to with its restriction inside the lifting hook, there can be the rope to break away from the lifting hook, lead to lifting by crane article whereabouts, injure the staff by a crashing object, the security is lower, be unfavorable for the use.

SUMMERY OF THE UTILITY MODEL

Problem to exist among the prior art, the utility model aims to provide a hoist wire rope dropout prevention means, it is provided with the spout that limits the wire rope position in the upper end of pulley, be provided with the stopper that limits the wire rope position in the both sides of pulley, combined action through spout and stopper, can prevent effectively that wire rope from breaking away from the pulley, the effect of stability is lifted by crane has the assurance, the inside recess that is provided with of this lifting hook again, and the joint through kelly and draw-in groove, fix the rope of article of lifting by crane to binding, can prevent effectively that article from droing, the emergence injures staff's phenomenon by a crashing object, the security is higher, do benefit to the use.

In order to solve the above problems, the utility model adopts the following technical proposal.

A crane steel wire rope anti-falling device comprises a supporting frame, wherein a supporting rod is arranged in the middle of the supporting frame, pulleys are arranged on the outer surface of the supporting rod, limiting plates are arranged at the front end and the rear end of the supporting frame, the supporting frame and a square rod are connected through bolts, a lifting hook is arranged at the lower end of the supporting frame, a hollow rod is hinged at the upper end inside the lifting hook, a spring is connected inside the hollow rod in a sliding manner, a sliding block is connected inside the hollow rod in a sliding manner, a clamping rod is fixedly connected at the lower end of the sliding block, a clamping groove is formed in the lower end of the lifting hook, the lower end of the clamping rod is clamped with the clamping groove, a sliding groove for limiting the position of a steel wire rope is arranged at the upper end of the pulley, limiting blocks for limiting the position of the steel wire rope are arranged at two sides of the pulley, and under the combined action of the sliding groove and the limiting blocks, can prevent effectively that wire rope from breaking away from the pulley, have the effect of guaranteeing to lift by crane stability, this lifting hook is inside to be provided with the recess again, and through the joint of kelly and draw-in groove, fixes the rope of binding the lifting object article, can prevent effectively that article from droing, takes place to injure staff's phenomenon by a crashing object, and the security is higher, does benefit to the use.

Further, the upper end fixedly connected with backup pad of support frame, both ends symmetry is provided with the spout around the backup pad, the spout sets up to circular, and sets up to logical groove, through the setting of spout, has and passes wire rope spout, then uses the spout to carry out the effect of restriction to wire rope's position.

Further, both ends fixedly connected with square pole about the limiting plate, both ends symmetry is provided with square groove about the support frame, square pole and square groove joint have preliminary fixed limiting plate's effect through the joint of square pole with square groove.

Further, the inside of limiting plate is provided with the stopper, the stopper sets up to the concave character piece that has the radian, and the stopper has limiting displacement, can be with the wire rope joint at the surface of pulley for wire rope can not break away from the pulley, has the effect of guaranteeing to lift by crane stability.

Furthermore, the inside of lifting hook is provided with the recess, through the setting of recess, can carry out the joint to the rope that the lifting hook hung article to tentatively prevent to hang the effect that article break away from the lifting hook.

Compared with the prior art, the utility model has the advantages of:

(1) this scheme is provided with the spout of restriction wire rope position in the upper end of pulley, be provided with the stopper of restriction wire rope position in the both sides of pulley, through the combined action of spout and stopper, can prevent effectively that wire rope from breaking away from the pulley, have the effect of guaranteeing to lift by crane stability, this lifting hook is inside to be provided with the recess again, and through the joint of kelly and draw-in groove, fix the rope of binding the lifting object article, can prevent effectively that article from droing, the emergence injures staff's phenomenon by a crashing object, the security is higher, do benefit to the use.

(2) The upper end fixedly connected with backup pad of support frame, both ends symmetry is provided with the spout around the backup pad, and the spout sets up to circular, and sets up to logical groove, through the setting of spout, has and passes wire rope the spout, then uses the spout to carry out the effect of restriction to wire rope's position.

(3) Both ends fixedly connected with square pole about the limiting plate, both ends symmetry is provided with square groove about the support frame, and square pole and square groove joint have preliminary fixed limiting plate's effect through the joint in square pole and square groove.

(4) The inside of limiting plate is provided with the stopper, and the stopper sets up to the concave character piece that has the radian, and the stopper has limiting displacement, can be with the wire rope joint at the surface of pulley for wire rope can not break away from the pulley, has the effect of guaranteeing to lift by crane stability.

(5) The inside of lifting hook is provided with the recess, through the setting of recess, can carry out the joint to the rope that the lifting hook hung article to tentatively prevent to hang the effect that article break away from the lifting hook.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a top view of the limiting plate of the present invention;

FIG. 3 is an enlarged view of FIG. 1 at A;

fig. 4 is an enlarged view of fig. 1 at B.

The reference numbers in the figures illustrate:

1 support frame, 2 bracing pieces, 3 pulleys, 4 backup pads, 5 spouts, 6 limiting plates, 7 square poles, 8 square grooves, 9 bolts, 10 stopper, 11 lifting hooks, 12 recesses, 13 hollow rods, 14 springs, 15 sliding blocks, 16 kellies, 17 draw-in grooves.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-4, an anti-drop device for a crane steel wire rope comprises a support frame 1, referring to fig. 1-4, a support rod 2 is arranged in the middle of the support frame 1, the support rod 2 has a function of supporting a pulley 3, the outer surface of the support rod 2 is provided with the pulley 3, limiting plates 6 are arranged at the front end and the rear end of the support frame 1, the support frame 1 is connected with a square rod 7 through a bolt 9, a lifting hook 11 is arranged at the lower end of the support frame 1, the lifting hook 11 has a function of lifting an object to be lifted, a hollow rod 13 is hinged at the upper end inside the lifting hook 11, a spring 14 is slidably connected inside the hollow rod 13, the spring 14 has elasticity and a reset function, a sliding block 15 is slidably connected inside the hollow rod 13, a clamping rod 16 is fixedly connected at the lower end of the sliding block 15, the clamping rod 16 has a limiting function, a clamping groove 17 is arranged at the lower end of the lifting hook 11, the lower end of the clamping rod 16 is clamped with the clamping groove 17, and the clamping of the clamping rod 16 and the clamping groove 17 can seal the opening of the lifting hook 11, so that the rope for binding articles can be limited in the lifting hook 11 and can not be separated from the lifting hook 11.

Please refer to fig. 1 and 2, the upper end fixedly connected with backup pad 4 of support frame 1, both ends symmetry is provided with spout 5 around backup pad 4, spout 5 sets up to circular, and set up to logical groove, setting through spout 5, have and pass spout 5 with wire rope, then use spout 5 to carry out the effect of restricting to wire rope's position, both ends fixedly connected with square pole 7 about limiting plate 6, both ends symmetry is provided with square groove 8 about support frame 1, square pole 7 and square groove 8 joint, joint through square pole 7 and square groove 8, the effect of preliminary fixed limiting plate 6 has.

Please refer to fig. 1 and 2, the inside of limiting plate 6 is provided with stopper 10, stopper 10 sets up to the character cut in bas-relief piece that has the radian, stopper 10 has limiting displacement, can be with wire rope joint at the surface of pulley 3 for wire rope can not break away from pulley 3, has the effect of guaranteeing to lift by crane stability, and the inside of lifting hook 11 is provided with recess 12, and through the setting of recess 12, can carry out the joint to the rope that lifting hook 11 hoisted the article, thereby tentatively prevent to lift by crane the effect that the article breaks away from lifting hook 11.

When the anti-drop device for the steel wire rope of the crane is used, the steel wire rope is in sliding connection with the pulley 3, the upper end of the steel wire rope penetrates through the sliding groove 5 arranged on the supporting plate 4, then the limiting block 10 arranged on the limiting plate 6 limits the steel wire rope on two sides of the pulley 3, so that the steel wire rope cannot be separated from the pulley 3, the effect of ensuring the lifting stability is achieved, when an object rope to be lifted is hung on the lifting hook 11, the clamping rod 16 is firstly separated from the clamping groove 17, the clamping rod 16 is pushed upwards, the clamping rod 16 upwards compresses the sliding block 15 and the spring 14, so that the clamping rod 16 is separated from the clamping groove 17, then the hollow rod 13 and the clamping rod 16 are rotated to expose an opening of the lifting hook 11, then the rope is hung on the lifting hook 11 to be clamped in the groove 12 arranged on the lifting hook 11, finally the clamping rod 16 is rotated to a proper position, the clamping rod 16 is released, so that the spring 14 is reset, the resilience force of the spring 14 drives the clamping rod 16 to be clamped with the clamping groove 17 arranged at the lower end of the lifting hook 11, can be sealed with 11 openings of lifting hook to can fix the rope of lifting by crane article inside 11 lifting hooks, and can not break away from lifting hook 11, have the effect of guaranteeing to lift by crane stability and security, do benefit to the use.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a hoist wire rope dropout prevention means, includes support frame (1), its characterized in that: the middle part of support frame (1) is provided with bracing piece (2), the surface of bracing piece (2) is provided with pulley (3), both ends are provided with limiting plate (6) around support frame (1), support frame (1) and square pole (7) are connected through bolt (9), the lower extreme of support frame (1) is provided with lifting hook (11), the inside upper end of lifting hook (11) articulates there is hollow rod (13), the inside sliding connection of hollow rod (13) has spring (14), the inside sliding connection of hollow rod (13) has sliding block (15), the lower extreme fixedly connected with kelly (16) of sliding block (15), the lower extreme of lifting hook (11) is provided with draw-in groove (17), the lower extreme and draw-in groove (17) joint of kelly (16).

2. The anti-falling device for the steel wire rope of the crane according to claim 1, wherein: the upper end fixedly connected with backup pad (4) of support frame (1), both ends symmetry is provided with spout (5) around backup pad (4), spout (5) set up to circular, and set up to logical groove.

3. The anti-falling device for the steel wire rope of the crane according to claim 1, wherein: the support frame is characterized in that square rods (7) are fixedly connected to the left end and the right end of the limiting plate (6), square grooves (8) are symmetrically formed in the left end and the right end of the support frame (1), and the square rods (7) are connected with the square grooves (8) in a clamped mode.

4. The anti-falling device for the steel wire rope of the crane according to claim 1, wherein: the limiting plate is characterized in that a limiting block (10) is arranged inside the limiting plate (6), and the limiting block (10) is a concave block with a radian.

5. The anti-falling device for the steel wire rope of the crane according to claim 1, wherein: a groove (12) is formed in the lifting hook (11).