CN219792182U - Hook locking structure for hoisting tower crane - Google Patents

Abstract

The utility model discloses a hook locking structure for hoisting a tower crane, which comprises a suspension arm and a connecting shaft, wherein the top end of the suspension arm is provided with the connecting shaft, the bottom end of the suspension arm is provided with a lifting hook, the top end of the lifting hook is provided with a clamping tongue, the outer wall of the suspension arm below the connecting shaft is provided with a pressing arm, one end of the pressing arm close to the suspension arm is provided with a hinge shaft, the pressing arm is movably connected with the suspension arm through the hinge shaft, the bottom end of the pressing arm is provided with a clamping plate, the outer wall of the suspension arm at one side of the pressing arm is provided with a limiting block, the inside of the limiting block is provided with an arc-shaped groove, one end of the pressing arm close to the arc-shaped groove is provided with a sliding shaft, and the sliding shaft is in sliding connection with the arc-shaped groove. The utility model not only realizes the elastic connection locking anti-unhooking hook of the hook locking structure for hoisting the tower crane, facilitates taking, placing and hanging objects, but also increases the strength of structural connection and improves the safety of the objects during hoisting.

Description

Hook locking structure for hoisting tower crane

Technical Field

The utility model relates to the technical field of hook locking structures, in particular to a hook locking structure for hoisting a tower crane.

Background

The tower crane is the most commonly used hoisting equipment on the construction site, is also called a tower crane, is used for hoisting construction raw materials such as steel bars, wood edges, concrete, steel pipes and the like for construction, is an indispensable equipment on the construction site, has the working characteristics of intermittent motion, namely corresponding mechanisms for taking materials, moving, unloading and other actions in one working cycle are alternately operated, the development and the use of the tower crane on the market are more and more extensive, and a hook for hoisting the tower crane is an important structural member on the tower crane.

The hook locking structure for hoisting the tower crane has important application on the hook, plays the anti-falling performance of an object during hoisting, prevents the object from being separated from the surface of the hook under the action of external force, and normally, the hook locking structure for hoisting the tower crane is braked by the clamping tongue of the single structure to play the role of locking, but is unfavorable for elastic connection and locking and anti-falling hook use during use, is convenient to take, place and mount the object, and greatly influences the strength of structural connection and the safety during hoisting of the object.

Disclosure of Invention

The utility model aims to provide a hook locking structure for hoisting a tower crane, which solves the problems that the hook locking structure is inconvenient to elastically connect, lock and prevent unhook, is convenient to take, place and hang objects, and influences the strength of structural connection and the safety of the objects during hoisting in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tower machine hoist and mount are with couple locking structure, includes davit and connecting axle, the connecting axle is installed on the top of davit, the lifting hook is installed to the bottom of davit, the latch is installed on the top of lifting hook, install the arm that presses on the davit outer wall of connecting axle below, the articulated shaft is installed to the one end that presses the arm to be close to the davit, and presses the arm through articulated shaft and davit swing joint, the cardboard is installed to the bottom of pressing the arm, install the stopper on the davit outer wall of pressing arm one side, the inside of stopper is equipped with the arc wall, the one end that presses the arm to be close to the arc wall is equipped with the slide shaft, and slide shaft and arc wall sliding connection.

Preferably, a supporting groove is arranged in the pressing arm, and a groove hole is formed in the suspension arm on one side of the supporting groove.

Preferably, a spring is arranged in the groove hole, and the top end of the spring extends to the inside of the supporting groove.

Preferably, positioning disks are arranged on the surfaces of the connecting shafts on two sides of the suspension arm, and rollers are arranged between the two groups of positioning disks.

Preferably, a movable shaft is installed at the central position inside the roller, and two ends of the movable shaft extend to the outside of the roller.

Preferably, the outer walls at two sides of the positioning disc are provided with reinforcing arms, the bottom ends of the reinforcing arms are connected with the connecting shaft, and the top ends of the reinforcing arms are connected with the movable shaft.

Compared with the prior art, the utility model has the beneficial effects that: the hook locking structure not only realizes the elastic connection locking unhook preventing use of the hook locking structure for hoisting the tower crane, facilitates taking, placing and hanging objects, but also increases the strength of structural connection and improves the safety of the objects during hoisting;

(1) The roller is connected with the steel wire rope for hoisting the tower crane to hoist the object, the clamping plate is connected with the clamping tongue to prevent the object from unhooking, so that the locking effect is realized, when unloading is needed, the pressing arm is pressed, the spring is compressed, the pressing arm rotates by taking the hinge shaft as the shaft, the pressing arm drives the sliding shaft to move, the sliding shaft slides in the arc-shaped groove, the clamping plate and the clamping tongue are separated under the support of the limiting block, the object on the surface of the lifting hook is conveniently separated, the elastic connection locking unhook preventing use of the hook locking structure for hoisting the tower crane is realized, the object is conveniently taken, put and hung, and the safety of the object during hoisting is improved;

(2) Through being connected loose axle and positioning disk and strengthening arm, when hoist and mount, wire rope drive gyro wheel removes, strengthens the arm and carries out the connection support once more to loose axle and connecting axle, increases the joint strength of structure, has realized the tower machine hoist and mount with the connection support that couple locking structure strengthened, has increased the intensity of structural connection.

Drawings

FIG. 1 is a schematic three-dimensional perspective view of the present utility model;

FIG. 2 is a schematic view of a three-dimensional structure of a reinforcing arm according to the present utility model;

FIG. 3 is a schematic diagram of a front cross-sectional structure of a stopper according to the present utility model;

fig. 4 is a schematic elevational view of the present utility model.

In the figure: 1. a suspension arm; 2. a limiting block; 3. a slide shaft; 4. an arc-shaped groove; 5. a movable shaft; 6. a roller; 7. a positioning plate; 8. a reinforcing arm; 9. a connecting shaft; 10. a hinge shaft; 11. a spring; 12. pressing an arm; 13. a clamping tongue; 14. a clamping plate; 15. a lifting hook; 16. a groove hole; 17. and a support groove.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. 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.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides a tower machine hoist and mount are with couple locking structure, includes davit 1 and connecting axle 9, connecting axle 9 is installed on the top of davit 1, and lifting hook 15 is installed to the bottom of davit 1, and latch 13 is installed on the top of lifting hook 15, installs pressure arm 12 on the davit 1 outer wall of connecting axle 9 below, and pressure arm 12 is close to the one end of davit 1 and installs articulated shaft 10, and pressure arm 12 is through articulated shaft 10 and davit 1 swing joint, and articulated shaft 10 plays the effect of movable support;

the clamping plate 14 is arranged at the bottom end of the pressing arm 12, the limiting block 2 is arranged on the outer wall of the suspension arm 1 at one side of the pressing arm 12, the arc-shaped groove 4 is arranged in the limiting block 2, the sliding shaft 3 is arranged at one end, close to the arc-shaped groove 4, of the pressing arm 12, the sliding shaft 3 is in sliding connection with the arc-shaped groove 4, and the sliding shaft 3 plays a role in sliding connection;

the inside of the pressing arm 12 is provided with a supporting groove 17, a groove hole 16 is formed in the suspension arm 1 at one side of the supporting groove 17, a spring 11 is arranged in the groove hole 16, the top end of the spring 11 extends into the supporting groove 17, and the spring 11 plays a role in elastic supporting;

when the lifting device is used, the roller 6 is connected with a steel wire rope for lifting the tower crane, when the lifting device is used, an object is connected with the lifting hook 15, under the connection of the lifting arm 1 and the connecting shaft 9, the roller 6 drives the connecting shaft 9 to move through the positioning disc 7 to lift the object, the clamping plate 14 is connected with the clamping tongue 13 to prevent the object from unhooking, so that the locking effect is achieved, when the lifting device is required to be used for unloading, the pressing arm 12 is pressed, under the cooperation of the supporting groove 17 and the groove hole 16, the spring 11 is compressed, the pressing arm 12 rotates by taking the hinged shaft 10 as an axis, the pressing arm 12 drives the sliding shaft 3 to move, the sliding shaft 3 slides in the arc groove 4, and the clamping plate 14 and the clamping tongue 13 are separated under the support of the limiting block 2, so that the object on the surface of the lifting hook 15 is conveniently separated, the elastic connection locking unhooking prevention of the hook locking structure for lifting the tower crane is realized, the object is conveniently taken and put and the object is lifted, and the safety is improved;

the surfaces of the connecting shafts 9 on the two sides of the suspension arm 1 are provided with positioning plates 7, a roller 6 is arranged between the two groups of positioning plates 7, a movable shaft 5 is arranged at the central position inside the roller 6, the two ends of the movable shaft 5 extend to the outside of the roller 6, the movable shaft 5 plays a role in movable support, the outer walls on the two sides of the positioning plates 7 are provided with reinforcing arms 8, the bottom ends of the reinforcing arms 8 are connected with the connecting shafts 9, the top ends of the reinforcing arms 8 are connected with the movable shaft 5, and the reinforcing arms 8 play a role in structural reinforcing connection;

during the use through being connected loose axle 5 with gyro wheel 6, be connected loose axle 5 with positioning disk 7 and strengthening arm 8, when hoist and mount, wire rope drive gyro wheel 6 removes, strengthens arm 8 and carries out the connection support once more to loose axle 5 and connecting axle 9, increases the joint strength of structure, prevents that the structure from taking place to break the back object and drops, has realized the tower crane hoist and mount with the connection support that couple locking structure strengthened, has increased the intensity of structural connection.

Working principle: when the lifting hook is used, firstly, the roller 6 is connected with a steel wire rope for lifting the tower crane, when the lifting hook is used for lifting, an object is connected with the lifting hook 15, under the connection of the lifting arm 1 and the connecting shaft 9, the roller 6 drives the connecting shaft 9 to move to lift the object through the positioning disc 7, the clamping plate 14 is connected with the clamping tongue 13 to prevent the object from unhooking, the locking effect is achieved, when the lifting hook is required to be used for unloading, the pressing arm 12 is pressed, under the cooperation of the supporting groove 17 and the groove hole 16, the spring 11 compresses, the pressing arm 12 rotates by taking the hinged shaft 10 as the shaft, the pressing arm 12 drives the sliding shaft 3 to move, the sliding shaft 3 slides in the arc groove 4, the clamping plate 14 and the clamping tongue 13 are separated under the support of the limiting block 2, the object on the surface of the lifting hook 15 is conveniently separated, then the movable shaft 5 is connected with the roller 6, when the lifting hook is lifted, the steel wire rope drives the roller 6 to move, the reinforcing arm 8 is used for carrying out the connection support again on the movable shaft 5 and the connecting shaft 9 to increase the connection strength of the structure, and the structure is prevented from falling down, and the work is completed.

Claims (6)

1. The utility model provides a tower machine hoist and mount are with couple locking structure, includes davit (1) and connecting axle (9), its characterized in that: the utility model discloses a lifting mechanism for a crane, including hoist and boom (1), connecting axle (9) are installed on the top of hoist and boom (1), lifting hook (15) are installed to the bottom of hoist and boom (1), latch (13) are installed on the top of lifting hook (15), install on hoist and boom (1) outer wall of connecting axle (9) below and press arm (12), press arm (12) are close to one end of hoist and boom (1) and install articulated shaft (10), and press arm (12) are through articulated shaft (10) and hoist and boom (1) swing joint, cardboard (14) are installed to the bottom of press arm (12), install stopper (2) on hoist and boom (1) outer wall of press arm (12) one side, the inside of stopper (2) is equipped with arc wall (4), press arm (12) are close to the one end of arc wall (4) and are equipped with slide shaft (3), and slide shaft (3) and arc wall (4) sliding connection.

2. The hook locking structure for hoisting a tower crane according to claim 1, wherein: the inside of the pressing arm (12) is provided with a supporting groove (17), and a groove hole (16) is formed in the suspension arm (1) at one side of the supporting groove (17).

3. The hook locking structure for hoisting a tower crane according to claim 2, wherein: the inside of the groove hole (16) is provided with a spring (11), and the top end of the spring (11) extends to the inside of the supporting groove (17).

4. The hook locking structure for hoisting a tower crane according to claim 1, wherein: the surface of the connecting shaft (9) at two sides of the suspension arm (1) is provided with positioning disks (7), and a roller (6) is arranged between the two groups of positioning disks (7).

5. The hook locking structure for hoisting a tower crane according to claim 4, wherein: a movable shaft (5) is arranged at the central position inside the roller (6), and two ends of the movable shaft (5) extend to the outside of the roller (6).

6. The hook locking structure for hoisting a tower crane according to claim 4, wherein: reinforcing arms (8) are arranged on the outer walls of the two sides of the positioning disc (7), the bottom ends of the reinforcing arms (8) are connected with the connecting shaft (9), and the top ends of the reinforcing arms (8) are connected with the movable shaft (5).