CN218860125U - Swing arm tower crane lifting hook with mousing-hook structure - Google Patents

Abstract

The utility model discloses a swing arm tower machine lifting hook with mousing-hook structure, including fixed block, lifting hook body, the spread groove has been seted up to the one end inside of fixed block, the inside laminating of spread groove has the connecting block, the constant head tank has been seted up to the inside of connecting block, the thread groove has been seted up on the top of spread groove, positioning bolt has been run through to the inside of thread groove. This swing arm tower machine lifting hook with mousing-hook structure is provided with the butt joint groove, the spout, the movable rod, block pole and butt joint pole, make opening and locking dead in-process to the lifting hook body, the movable rod can slide in the inside of spout, through being connected between control block pole and first draw-in groove and the second draw-in groove, can make butt joint pole and butt joint groove dock when being connected with first draw-in groove, be favorable to locking the lifting hook body and accomplish the mousing-hook work, when being connected between with the second draw-in groove simultaneously, can separate and open the lifting hook body to butt joint pole and butt joint groove.

Description

Swing arm tower crane lifting hook with mousing-hook structure

Technical Field

The utility model relates to a tower machine technical field specifically is a swing arm tower machine lifting hook with mousing-hook structure.

Background

The swing arm tower crane is a tower crane with a variable amplitude arm support, the amplitude of the tower crane is changed by adjusting the inclination angle of the arm support, the hook is a key component in the tower crane, and the hook can fall off from the hook in the process of lifting heavy objects, so that a hook lock on the hook is a very key device for ensuring safe lifting operation, but the existing swing arm tower crane hook has a bit of defect in the using process;

the tower crane hook lock and the tower crane hook provided by the application number CN202220118303.3 comprise a lock catch ring rotationally connected to a hook tip of a tower crane hook body and a sleeve fixedly connected to a straight shank column of the tower crane hook body, wherein a plurality of sliding grooves are formed in the sleeve from the top to the bottom, and are uniformly distributed around the circumference of the sleeve; telescopic outside cover is equipped with the elastic component, the outside cover of elastic component is equipped with the sliding sleeve, the position that the inner wall of sliding sleeve is close to the top be provided with a plurality of briquetting of a plurality of spout matched with, a plurality of briquetting are located same height, every the bottom pressure of briquetting is in the top of elastic component, be provided with on the outer wall of sliding sleeve with hasp ring matched with couple works as when the elastic component is in natural state, the couple can with hasp ring is taut, in the actual use, drives through reciprocating to the sliding sleeve in this application and is connected and separate the unhook work of realization to the lifting hook between couple and the hasp ring, and carries out the unhook work of locking dead process to the lifting hook just hard relatively like this, and the realization of being not convenient is to the unhook work of lifting hook, can produce wearing and tearing need change it after long-time use at the lifting hook simultaneously, and the whole welded structure as an integration of current couple, consequently is not convenient to carry out solitary change work to the lifting hook.

We have therefore proposed a jib tower crane hook with an anti-unhooking structure in order to solve the problems set forth above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a swing arm tower machine lifting hook with mousing-hook structure to tower machine lifting hook lock and tower machine lifting hook are not convenient for carry out swift lock to the lifting hook and carry out solitary change problem to the lifting hook of damage on solving the existing market that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: a swing arm tower crane lifting hook with an anti-unhooking structure comprises a fixed block and a lifting hook body,

a connecting groove is formed in one end of the fixing block, a connecting block is attached to the inside of the connecting groove, a positioning groove is formed in the connecting block, a threaded groove is formed in the top end of the connecting groove, a positioning bolt penetrates through the inside of the threaded groove, the bottom end of the positioning bolt is connected with the positioning groove, and a lifting hook body is fixedly mounted at the bottom end of the connecting block;

one end of the lifting hook body is provided with a butt joint groove, the other end of the fixed block is internally provided with a sliding groove, two sides of the sliding groove are provided with limiting grooves, the inside of each limiting groove is connected with a limiting strip in a sliding manner, the inner side of each limiting strip is fixedly connected with a movable rod, one side of each movable rod is respectively provided with a first clamping groove and a second clamping groove, a clamping rod penetrates through one side of each sliding groove, a first spring is wound on the surface of each clamping rod, the bottom end of each movable rod is fixedly provided with a butt joint rod, and the butt joint rods correspond to the butt joint grooves;

the connecting axle is installed at the both ends of fixed block, the surface of connecting axle has cup jointed the support curb plate, the both sides fixed mounting who supports the curb plate has the reinforcing plate, the top fixed mounting who supports the curb plate has bumper shock absorber and second spring, the bumper shock absorber cup joints with the second spring and is connected, the top fixedly connected with roof of bumper shock absorber and second spring.

Preferably, the cross-sectional shape of the connecting block of the connecting groove is consistent, the connecting block is clamped and connected with the positioning bolt through the positioning groove, and the positioning bolt is in threaded connection with the thread groove.

Adopt the design of above-mentioned structure for the spread groove can carry on spacingly to the connecting block, and block between cooperation positioning bolt and the constant head tank can be convenient for carry out stable connection to connecting block and lifting hook body, also is convenient for carry out convenient dismantlement to the lifting hook body simultaneously, has improved the convenience of lifting hook body change work.

Preferably, the movable rod is connected with the sliding groove in a sliding mode through a limiting strip and a limiting groove, the limiting groove and the limiting strip are symmetrically distributed about the central line of the sliding groove, and the size of the limiting groove is matched with that of the limiting strip.

By adopting the design with the structure, the limiting grooves which are symmetrically arranged can limit the movable rod through the limiting strips, so that the movable rod can stably slide in the limiting rod, and the follow-up clamping rod can be accurately butted with the first clamping groove and the second clamping groove conveniently.

Preferably, the movable rod and the fixed block form a telescopic structure through a first spring, and the movable rod is connected with the first clamping groove and the second clamping groove in a clamping mode respectively.

By adopting the design with the structure, the connection between the control clamping rod and the first clamping groove and the connection between the control clamping rod and the second clamping groove can be controlled, the anti-unhooking operation of the lifting hook body is facilitated, and the convenience in the anti-unhooking operation of the lifting hook is improved.

Preferably, the supporting side plate is of a T-shaped structure, the reinforcing plates are arranged on two sides of the supporting side plate at equal intervals, and the reinforcing plates are of a triangular structure.

By adopting the design of the structure, the reinforcing plates which are convenient to be arranged at equal intervals are matched with the supporting side plates to improve the structural strength of the supporting side plates, and the stability of connection between the supporting side plates and the fixing blocks is improved.

Preferably, the shock absorber and the second spring are distributed at equal intervals between the top plate and the supporting side plate, and the supporting side plate and the top plate form a buffer structure through the second spring and the shock absorber.

By adopting the design of the structure, the tower crane can be effectively prevented from driving the lifting hook to lift, the buffer between the lifting hook and the lifting rope is convenient, the direct rigid contact is avoided from being generated, the damage is avoided, and the service life of the lifting hook is prolonged.

Compared with the prior art, the beneficial effects of the utility model are that: the swing arm tower crane lifting hook with the unhooking prevention structure;

1. the connecting groove, the connecting block, the positioning groove, the thread groove and the positioning bolt are arranged, in the process of replacing the damaged lifting hook body, the bottom end of the positioning bolt can be clamped and separated from the positioning groove through the control of connection and separation between the positioning bolt and the thread groove, so that the connecting block is convenient to position and detach, the connecting block is limited by the connecting groove, the connecting block and the lifting hook body can be conveniently and stably detached and installed, and the convenience of the dismounting and replacing work of the lifting hook body is improved;

2. the butt joint groove, the sliding groove, the movable rod, the clamping rod and the butt joint rod are arranged, so that the movable rod can slide in the sliding groove in the process of opening and locking the hook body, the butt joint rod can be in butt joint with the butt joint groove when the hook body is connected with the first clamping groove by controlling the connection between the clamping rod and the first clamping groove and the connection between the clamping rod and the second clamping groove, the hook body can be locked, the unhooking prevention work can be completed, and meanwhile, the butt joint rod and the butt joint groove can be separated and the hook body can be opened when the hook body is connected with the second clamping groove;

3. be provided with and support the curb plate, reinforce board, bumper shock absorber, second spring and roof for this lifting hook is at the in-process that uses, and the in-process that can carry out the lifting at the swing arm tower machine of mutually supporting of bumper shock absorber and second spring avoids producing direct rigid contact between lifting hook and the tower machine lifting rope, thereby is convenient for cushion lifting work, is favorable to carrying out protection work to the lifting hook, and the setting of reinforcing plate can be convenient for promote the structural strength who supports the curb plate simultaneously.

Drawings

FIG. 1 is a schematic side view of the structure of the present invention;

FIG. 2 is a schematic view of the structure of the present invention showing the separation between the docking slot and the docking rod;

FIG. 3 is a schematic view of the connection structure between the fixing block and the hook body of the present invention;

FIG. 4 is a schematic view of the connection structure of the fixed block and the movable rod of the present invention;

fig. 5 is a side view of the side-view enlarged structure of the support side plate of the present invention.

In the figure: 1. a fixed block; 2. connecting grooves; 3. connecting blocks; 4. positioning a groove; 5. a thread groove; 6. positioning the bolt; 7. a hook body; 8. a butt joint groove; 9. a chute; 10. a limiting groove; 11. a limiting strip; 12. a movable rod; 13. a first card slot; 14. a second card slot; 15. a clamping rod; 16. a first spring; 17. a docking rod; 18. a connecting shaft; 19. supporting the side plates; 20. a reinforcing plate; 21. a shock absorber; 22. a second spring; 23. and a top plate.

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. 1-3, the present invention provides a technical solution: the utility model provides a swing arm tower machine lifting hook with mousing-hook structure, including fixed block 1, lifting hook body 7 and support curb plate 19, spread groove 2 has been seted up to the one end inside of fixed block 1, the inside laminating of spread groove 2 has connecting block 3, the cross sectional shape of the cross sectional shape connecting block 3 of spread groove 2 is unanimous, constant head tank 4 has been seted up to the inside of connecting block 3, thread groove 5 has been seted up on the top of spread groove 2, thread groove 5's inside has run through positioning bolt 6, and positioning bolt 6 and thread groove 5 threaded connection, positioning bolt 6's bottom is connected with constant head tank 4, and connecting block 3 is connected with positioning bolt 6 block through constant head tank 4, the bottom fixed mounting of connecting block 3 has lifting hook body 7, the design of the aforesaid structure, make spread groove 2 can carry on spacingly to connecting block 3 and lifting hook body 7's installation, cooperation positioning bolt 6 can make positioning bolt 6 carry out the block with constant head tank 4 with threaded connection of thread groove 5, be favorable to carrying out stable location installation to connecting block 3 and lifting hook body 7 after the installation, and can be convenient for dismantling work connecting block 3 and lifting hook body 7 behind positioning bolt 6, the lifting hook body 7 of damage is changed the convenience of work is improved.

Specifically, as shown in fig. 1-4, one end of the hook body 7 is provided with a butt joint groove 8, the other end of the fixed block 1 is internally provided with a sliding groove 9, two sides of the sliding groove 9 are provided with limit grooves 10, the inside of the limit grooves 10 is slidably connected with limit strips 11, the limit grooves 10 and the limit strips 11 are symmetrically distributed about the central line of the sliding groove 9, the size of the limit grooves 10 is matched with the size of the limit strips 11, the inner side of the limit strips 11 is fixedly connected with a movable rod 12, the movable rod 12 is slidably connected with the sliding groove 9 through the limit strips 11 and the limit grooves 10, one side of the movable rod 12 is respectively provided with a first clamping groove 13 and a second clamping groove 14, one side of the sliding groove 9 is penetrated with a clamping rod 15, the surface of the clamping rod 15 is wound with a first spring 16, the movable rod 12 forms a telescopic structure with the fixed block 1 through the first spring 16, and the movable rod 12 is respectively connected with the first clamping groove 13 and the second clamping groove 14 in a clamping manner, the bottom end of the movable rod 12 is fixedly provided with a butt joint rod 17, the butt joint rod 17 corresponds to the butt joint groove 8, the design of the structure enables the mutual sliding of the limiting groove 10 and the limiting strip 11 to limit the sliding of the movable rod 12 in the sliding groove 9, the first spring 16 can drive the clamping rod 15 to slide on one side of the sliding groove 9, so as to drive the movable rod 12 to be clamped with the movable rod 12 through the first clamping groove 13 and the second clamping groove 14 respectively, so as to position the movable rod 12 when being clamped with the first clamping groove 13, and facilitate the movable rod 12 to drive the butt joint rod 17 to be butted with the butt joint groove 8, thereby being beneficial to locking the hook body 7 to prevent unhooking, and the clamping rod 15 can open the hook body 7 when being clamped with the second clamping groove 14, thereby facilitating the connection of a heavy object and the hook body 7, the convenience of the opening and closing work of the lifting hook body 7 is improved.

As shown in fig. 1-5, connecting shafts 18 are installed at two ends of a fixing block 1, supporting side plates 19 are sleeved on the surfaces of the connecting shafts 18, the supporting side plates 19 are of a T-shaped structure, reinforcing plates 20 are fixedly installed on two sides of the supporting side plates 19, the reinforcing plates 20 are installed on two sides of the supporting side plates 19 at equal intervals, the reinforcing plates 20 are of a triangular structure, shock absorbers 21 and second springs 22 are fixedly installed at the top ends of the supporting side plates 19, the shock absorbers 21 are connected with the second springs 22 in a sleeved mode, top ends of the shock absorbers 21 and the second springs 22 are fixedly connected with a top plate 23, the shock absorbers 21 and the second springs 22 are distributed between the top plate 23 and the supporting side plates 19 at equal intervals, the supporting side plates 19 form a buffer structure through the second springs 22 and the shock absorbers 21 and the top plate 23, the structure is designed, the reinforcing plates 20 arranged at equal intervals in a matched mode in the T-shaped mode of the supporting side plates 19 reinforce the connecting structure between the fixing block 1 and the top plate 23, the structural strength of the supporting side plates 19 is improved, and the service life of a lifting rope is beneficial to improving the use effect of a lifting hook and a service life of a direct lifting tower crane.

The working principle is as follows: when the movable arm tower crane lifting hook with the unhooking prevention structure is used, firstly, as shown in fig. 1-4, the clamping rod 15 is pulled to be separated from the first clamping groove 13, then the butt-joint rod 17 is driven to be separated from the butt-joint groove 8 through lifting of the movable rod 12, at the moment, the first spring 16 can pull the clamping rod 15 to be clamped with the second clamping groove 14 and position the movable rod 12, then a heavy object can be connected with the lifting hook body 7, then the clamping rod 15 is pulled to be separated from the second clamping groove 14, then the clamping rod 15 is pushed to drive the butt-joint rod 17 to be butted with the butt-joint groove 8, at the moment, the first spring 16 can pull the clamping rod 15 to be clamped with the first clamping groove 13, so that the lifting hook body 7 is locked conveniently, the unhooking phenomenon is effectively prevented, when the lifting hook body 7 needs to be replaced, the positioning bolt 6 is rotated to be separated from the positioning groove 4, then the connecting block 3 can be drawn out from the inside of the connecting groove 2, the dismounting of the lifting hook body 7 is completed, the lifting hook body 7 and the bolt 6 is inserted into the positioning groove 5, and the positioning groove 6 is connected with the connecting groove 6, and the bottom end of the positioning groove 6 is formed.

In the using process, as shown in fig. 1 and 5, when the lifting hook body 7 and the heavy object are lifted by the tower crane, the lifting rope is firstly connected with the top plate 23, and the connection between the top plate 23 and the fixed block 1 can be buffered by the arrangement of the shock absorber 21 and the second spring 22, so that the buffering between the lifting work of the tower crane and the heavy object is facilitated, the direct rigid contact in the lifting process can be effectively avoided, and the damage to the lifting hook of the tower crane is avoided.

To thereby carry out a series of tasks, the contents of which are not described in detail in the present specification are prior art well known to those skilled in the art.

Although the present invention 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 or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a swing arm tower machine lifting hook with mousing-hook structure, includes fixed block (1), lifting hook body (7) and supports curb plate (19), its characterized in that:

a connecting groove (2) is formed in one end of the fixing block (1), a connecting block (3) is attached to the inside of the connecting groove (2), a positioning groove (4) is formed in the connecting block (3), a threaded groove (5) is formed in the top end of the connecting groove (2), a positioning bolt (6) penetrates through the inside of the threaded groove (5), the bottom end of the positioning bolt (6) is connected with the positioning groove (4), and a hook body (7) is fixedly mounted at the bottom end of the connecting block (3);

the hook comprises a hook body (7) and is characterized in that a butt joint groove (8) is formed in one end of the hook body (7), a sliding groove (9) is formed in the other end of a fixed block (1), limiting grooves (10) are formed in two sides of the sliding groove (9), a limiting strip (11) is connected to the inside of the limiting groove (10) in a sliding mode, a movable rod (12) is fixedly connected to the inner side of the limiting strip (11), a first clamping groove (13) and a second clamping groove (14) are formed in one side of the movable rod (12) respectively, a clamping rod (15) penetrates through one side of the sliding groove (9), a first spring (16) is wound on the surface of the clamping rod (15), a butt joint rod (17) is fixedly installed at the bottom end of the movable rod (12), and the butt joint rod (17) corresponds to the butt joint groove (8);

connecting axle (18) are installed at the both ends of fixed block (1), support curb plate (19) have been cup jointed on the surface of connecting axle (18), the both sides fixed mounting that supports curb plate (19) has intensive board (20), the top fixed mounting that supports curb plate (19) has bumper shock absorber (21) and second spring (22), bumper shock absorber (21) and second spring (22) cup joint and are connected, the top fixedly connected with roof (23) of bumper shock absorber (21) and second spring (22).

2. The boom tower crane lifting hook with the unhooking prevention structure as claimed in claim 1, wherein: the cross-sectional shape of the cross-sectional shape connecting block (3) of the connecting groove (2) is consistent, the connecting block (3) is connected with a positioning bolt (6) in a clamping mode through a positioning groove (4), and the positioning bolt (6) is in threaded connection with a threaded groove (5).

3. The luffing jib tower crane lifting hook with the unhooking-preventing structure according to claim 1, wherein: the movable rod (12) is connected with the sliding groove (9) in a sliding mode through the limiting strip (11) and the limiting groove (10), the limiting groove (10) and the limiting strip (11) are symmetrically distributed about the center line of the sliding groove (9), and the size of the limiting groove (10) is matched with that of the limiting strip (11).

4. The luffing jib tower crane lifting hook with the unhooking-preventing structure according to claim 1, wherein: the movable rod (12) and the fixed block (1) form a telescopic structure through a first spring (16), and the movable rod (12) is connected with the first clamping groove (13) and the second clamping groove (14) in a clamping mode respectively.

5. The boom tower crane lifting hook with the unhooking prevention structure as claimed in claim 1, wherein: the structure of the supporting side plate (19) is a T-shaped structure, the reinforcing plates (20) are arranged on two sides of the supporting side plate (19) at equal intervals, and the structure of the reinforcing plates (20) is a triangular structure.

6. The boom tower crane lifting hook with the unhooking prevention structure as claimed in claim 1, wherein: the shock absorber (21) and the second spring (22) are distributed between the top plate (23) and the supporting side plate (19) at equal intervals, and the supporting side plate (19) forms a buffer structure with the top plate (23) through the second spring (22) and the shock absorber (21).

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