CN219620687U - Anti-drop hook mechanism for lifting tower crane - Google Patents

Anti-drop hook mechanism for lifting tower crane Download PDF

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Publication number
CN219620687U
CN219620687U CN202320940561.4U CN202320940561U CN219620687U CN 219620687 U CN219620687 U CN 219620687U CN 202320940561 U CN202320940561 U CN 202320940561U CN 219620687 U CN219620687 U CN 219620687U
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China
Prior art keywords
rod
drop
sliding block
sliding
fixedly connected
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CN202320940561.4U
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Chinese (zh)
Inventor
赵闯
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Jilin Construction Engineering Co ltd
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Jilin Construction Engineering Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

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Abstract

The utility model discloses a tower crane lifting anti-drop hook mechanism, which comprises a hook body, wherein a mounting groove is formed in the hook body, an anti-drop mechanism is arranged in the mounting groove, the anti-drop mechanism comprises an anti-drop rod, a sliding block, a compression spring, a mounting shaft and a counterweight rod, the sliding block is connected with the inner cavity of the mounting groove in a sliding penetrating way, one end of the compression spring is connected with the sliding block, the other end of the compression spring is fixedly connected with the top end of the inner wall of the mounting groove, the anti-drop rod is connected with the sliding block through the mounting shaft, and the counterweight rod is fixedly connected with one end of the anti-drop rod. According to the utility model, the anti-falling rod, the sliding block, the compression spring, the mounting shaft and the counterweight rod are matched, and the anti-falling rod can rotate out of the hook through the sliding block and the anti-falling rod which can be telescopically regulated, so that the connecting rope can not squeeze the anti-falling rod when the thicker connecting rope is hung, and the anti-falling rod can effectively prevent some thicker connecting ropes.

Description

Anti-drop hook mechanism for lifting tower crane
Technical Field
The utility model relates to the technical field of relevant machinery of tower cranes, in particular to a lifting anti-drop hook mechanism of a tower crane.
Background
The tower crane relates to a hook in the use process, the existing hook generally has a hanging effect and is used for hanging and moving some large objects, and in order to prevent the falling-off of the objects caused by the swinging of the hook in the process of moving the objects, the existing hook is generally provided with an anti-falling plate for shielding the opening of the hook;
the existing anti-falling plate can only rotate towards the direction inside the hook, the hook can only hang the thinner connecting ropes in the rotating mode, when some thicker connecting ropes are hung, the anti-falling plate inside the hook can be shielded by the thicker connecting ropes, so that the anti-falling plate cannot be reset again, and the connecting ropes are effectively prevented from falling.
Disclosure of Invention
The utility model aims to provide a lifting anti-drop hook mechanism of a tower crane, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the anti-drop hook mechanism for lifting a tower crane comprises a hook body, wherein the top end of the hook body is fixedly connected with a mounting rod;
the hook comprises a hook body, wherein an installation groove is formed in the hook body, and an anti-falling mechanism is arranged in the installation groove;
the anti-disengaging mechanism comprises an anti-disengaging rod, a sliding block, a compression spring, an installation shaft and a counterweight rod, wherein the sliding block is connected with the inner cavity of the installation groove in a sliding and inserting mode, the compression spring is arranged in the installation groove, one end of the compression spring is fixedly connected with the sliding block, the other end of the compression spring is fixedly connected with the top end of the inner wall of the installation groove, the anti-disengaging rod is connected with the sliding block through the installation shaft, and the counterweight rod is fixedly connected with one end of the anti-disengaging rod.
Preferably, both sides of slider all fixedly connected with stopper, the spacing groove has all been seted up to the both sides of mounting groove inner wall, the stopper is connected with the inner chamber slip interlude of spacing groove.
Preferably, the anticreep pole is including loop bar, telescopic link, bolt and baffle, two the one end of telescopic link all with baffle fixed connection, two the other end of telescopic link respectively with the inner chamber slip alternate connection of two loop bars, two the loop bar sets up respectively in the both sides of slider, the one end and the loop bar slip alternate connection of bolt, the fixed orifices has been seted up to the outer wall of telescopic link, the bolt is connected with the inner chamber slip alternate of fixed orifices.
Preferably, the inner cavity of the loop bar is connected with a limiting plate in a sliding and penetrating way, and the other end of the telescopic bar is fixedly connected with the limiting plate.
Preferably, the installation shaft comprises a shaft body, a threaded rod and an installation ring, the shaft body is connected with the sliding block in a threaded penetrating mode, the threaded rod is connected with the inner cavity of the shaft body in a sliding penetrating mode, the two loop bars are connected with the shaft body in a rotating penetrating mode, and one end of the threaded rod is connected with the installation ring in a threaded penetrating mode.
Preferably, the counterweight rod is U-shaped, and one end of each of the two loop bars is fixedly connected with the counterweight rod.
The utility model has the technical effects and advantages that:
(1) According to the utility model, by means of the arrangement mode that the anti-falling rod, the sliding block, the compression spring, the mounting shaft and the counterweight rod are matched, the sliding block slides in the inner cavity of the sliding groove and the anti-falling rod is telescopically regulated, so that the anti-falling rod can rotate out of the hook, the connecting ropes can not squeeze the anti-falling rod when hanging some thicker connecting ropes, and the anti-falling rod can effectively prevent some thicker connecting ropes;
(2) According to the utility model, the shaft body, the threaded rod and the mounting ring are matched, and the threaded rod can be taken out from the shaft body by screwing out the mounting ring, so that the whole anti-falling rod can be detached without limiting the anti-falling rod by the mounting ring and the threaded rod, the anti-falling rod is convenient to maintain and replace, and the mounting and the dismounting are simple and convenient.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic diagram of the overall front structure of the present utility model.
Fig. 3 is a schematic diagram of the front internal structure of the present utility model.
Fig. 4 is a schematic top view of the inner structure of the anti-drop rod of the present utility model.
Fig. 5 is an enlarged schematic view of the structure of fig. 4 a according to the present utility model.
In the figure: 1. a hook body; 2. a mounting rod; 3. an anti-drop mechanism; 31. an anti-drop rod; 311. a loop bar; 312. a telescopic rod; 313. a bolt; 314. a baffle; 315. a limiting plate; 32. a slide block; 33. a compression spring; 34. a mounting shaft; 341. a shaft body; 342. a threaded rod; 343. a mounting ring; 35. a weight bar; 4. and a limiting block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a lifting and unhooking prevention mechanism of a tower crane, which is shown in figures 1-5, and comprises a hook body 1, wherein the top end of the hook body is fixedly connected with a mounting rod 2, and the top of the mounting rod 2 is provided with external threads, so that the whole hook body 1 is conveniently connected with the tower crane;
the inside of the hook body 1 is provided with an installation groove, and the inside of the installation groove is provided with a release preventing mechanism 3;
the anti-falling mechanism 3 comprises an anti-falling rod 31, a sliding block 32, a compression spring 33, a mounting shaft 34 and a counterweight rod 35, wherein the sliding block 32 is connected with the inner cavity of the mounting groove in a sliding and inserting mode, the compression spring 33 is arranged in the mounting groove, one end of the compression spring 33 is fixedly connected with the sliding block 32, the other end of the compression spring 33 is fixedly connected with the top end of the inner wall of the mounting groove, the anti-falling rod 31 is connected with the sliding block 32 through the mounting shaft 34, the counterweight rod 35 is fixedly connected with one end of the anti-falling rod 31, the counterweight rod 35 mainly plays a role in rotating the anti-falling rod 31, the anti-falling groove is formed in the hook body 1 and mainly plays a role in limiting the rotating anti-falling rod 31, and therefore the anti-falling rod 31 is used for anti-falling setting on a suspended connecting rope.
Both sides of slider 32 are all fixedly connected with stopper 4, and the spacing groove has all been seted up to the both sides of mounting groove inner wall, and stopper 4 and the inner chamber slip of spacing groove alternate and are connected, and stopper 4 has played the spacing effect to slider 32 for slider 32 only can carry out the ascending motion of vertical direction, slides in the inner chamber of spout through slider 32, thereby can make anticreep pole 31 break away from the inner chamber of couple body 1, is convenient for hang some thicker connecting ropes.
The anti-falling rod 31 comprises a sleeve rod 311, telescopic rods 312, bolts 313 and a baffle 314, one ends of the two telescopic rods 312 are fixedly connected with the baffle 314, the other ends of the two telescopic rods 312 are respectively connected with the inner cavities of the two sleeve rods 311 in a sliding and inserting mode, the two sleeve rods 311 are respectively arranged on two sides of the sliding block 32, one ends of the bolts 313 are connected with the sleeve rods 311 in a sliding and inserting mode, fixing holes are formed in the outer walls of the telescopic rods 312, the bolts 313 are connected with the inner cavities of the fixing holes in a sliding and inserting mode, the telescopic rods 312 can be contracted into the inner cavities of the sleeve rods 311 through screwing out the bolts 313, and therefore the anti-falling rod 31 cannot be used when the thicker connecting ropes are taken out through the inner cavities of the hook body 1 through the sliding blocks 32, the anti-falling rod 31 is separated from the inner cavities of the hook body 1, and the thicker connecting ropes are taken out conveniently.
The inner cavity of the sleeve rod 311 is connected with a limiting plate 315 in a sliding and penetrating way, the other end of the telescopic rod 312 is fixedly connected with the limiting plate 315, and the limiting plate 315 plays a limiting role on the telescopic rod 312.
The installation axle 34 is including axis body 341, threaded rod 342 and collar 343, and axis body 341 rotates the interlude with slider 32 to be connected, and threaded rod 342 slides the interlude with the inner chamber of axis body 341 and is connected, and two loop bars 311 all rotate the interlude with axis body 341 and are connected, and the one end and the collar 343 screw thread of threaded rod 342 are interlude and are connected, through unscrewing collar 343, can dismantle whole anticreep pole 31, be convenient for maintain and change anticreep pole 31, and install and dismantle comparatively simple and convenient.
The counterweight rod 35 is U-shaped, and one ends of the two loop bars 311 are fixedly connected with the counterweight rod 35.
The working principle of the utility model is as follows:
when the hook is needed to be used, the connecting rope to be hung is extruded to the anti-falling rod 31, so that the anti-falling rod 31 can be rotated through the mounting shaft 34, the connecting rope can be hung in the hook body 1, when the thicker connecting rope is hung, the anti-falling rod 31 can be rotated inwards, the baffle 314 on the anti-falling rod 31 is separated from the provided anti-falling groove, at the moment, the mounting shaft 34 can drive the whole anti-falling rod 31 to move vertically, the anti-falling rod 31 is separated from the inner cavity of the hook body 1, the thicker connecting rope can be hung in the hook body 1, the anti-falling rod 31 can be placed in the hook body 1 again through reverse operation, if the thicker connecting rope cannot be placed in the hook body 1, the telescopic rod 312 can be placed in the hook body 1 through the bolt 313 by screwing out, the telescopic rod 312 can be contracted to the inside of the sleeve rod 311, the anti-falling rod 31 can be placed in the hook body 1, and the anti-falling rod 31 can be fixed through the bolt 313 again, and the anti-falling rod 31 can be prevented from being connected.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. A tower crane lifting anti-unhooking mechanism, comprising:
the top end of the hook body (1) is fixedly connected with a mounting rod (2);
the method is characterized in that: an installation groove is formed in the hook body (1), and an anti-falling mechanism (3) is arranged in the installation groove;
the anti-drop mechanism (3) comprises an anti-drop rod (31), a sliding block (32), a compression spring (33), a mounting shaft (34) and a counterweight rod (35), wherein the sliding block (32) is connected with the inner cavity of the mounting groove in a sliding and inserting mode, the compression spring (33) is arranged in the mounting groove, one end of the compression spring (33) is fixedly connected with the sliding block (32), the other end of the compression spring (33) is fixedly connected with the top end of the inner wall of the mounting groove, the anti-drop rod (31) is connected with the sliding block (32) through the mounting shaft (34), and the counterweight rod (35) is fixedly connected with one end of the anti-drop rod (31).
2. The tower crane lifting anti-drop hook mechanism according to claim 1, wherein limiting blocks (4) are fixedly connected to two sides of the sliding block (32), limiting grooves are formed in two sides of the inner wall of the mounting groove, and the limiting blocks (4) are connected with inner cavities of the limiting grooves in a sliding penetrating mode.
3. The tower crane lifting anti-drop hook mechanism according to claim 1, wherein the anti-drop rod (31) comprises a sleeve rod (311), a telescopic rod (312), a bolt (313) and a baffle (314), one ends of the two telescopic rods (312) are fixedly connected with the baffle (314), the other ends of the two telescopic rods (312) are respectively connected with inner cavities of the two sleeve rods (311) in a sliding penetrating manner, the two sleeve rods (311) are respectively arranged on two sides of the sliding block (32), one ends of the bolts (313) are connected with the sleeve rods (311) in a sliding penetrating manner, fixing holes are formed in the outer walls of the telescopic rods (312), and the bolts (313) are connected with the inner cavities of the fixing holes in a sliding penetrating manner.
4. A tower crane lifting anti-unhooking mechanism according to claim 3, wherein the inner cavity of the loop bar (311) is connected with a limiting plate (315) in a sliding and inserting way, and the other end of the telescopic bar (312) is fixedly connected with the limiting plate (315).
5. A tower crane lifting anti-drop hook mechanism according to claim 3, wherein the installation shaft (34) comprises a shaft body (341), a threaded rod (342) and an installation ring (343), the shaft body (341) is connected with the sliding block (32) in a rotating and penetrating manner, the threaded rod (342) is connected with an inner cavity of the shaft body (341) in a sliding and penetrating manner, the two loop bars (311) are connected with the shaft body (341) in a rotating and penetrating manner, and one end of the threaded rod (342) is connected with the installation ring (343) in a threaded and penetrating manner.
6. A tower crane lifting anti-drop hook mechanism according to claim 3, wherein the counterweight rod (35) is U-shaped, and one ends of the two loop bars (311) are fixedly connected with the counterweight rod (35).
CN202320940561.4U 2023-04-24 2023-04-24 Anti-drop hook mechanism for lifting tower crane Active CN219620687U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320940561.4U CN219620687U (en) 2023-04-24 2023-04-24 Anti-drop hook mechanism for lifting tower crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320940561.4U CN219620687U (en) 2023-04-24 2023-04-24 Anti-drop hook mechanism for lifting tower crane

Publications (1)

Publication Number Publication Date
CN219620687U true CN219620687U (en) 2023-09-01

Family

ID=87794065

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320940561.4U Active CN219620687U (en) 2023-04-24 2023-04-24 Anti-drop hook mechanism for lifting tower crane

Country Status (1)

Country Link
CN (1) CN219620687U (en)

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