Lifting hook structural member for bridge crane

Abstract

The utility model discloses a lifting hook structural member for a bridge crane, which relates to the technical field of lifting hook structural members, and comprises a first fixed side plate, a mounting base is arranged below the first fixed side plate, a rotating bearing is arranged on the inner wall of the mounting base, a lifting hook main body is arranged below the first fixed side plate and a second fixed side plate, and the lifting hook main body is arranged below the first fixed side plate and the second fixed side plate. A fixing ring is arranged on the outer surface of the upper end of the lifting hook body, a connecting block is arranged above the fixing ring, a connecting bolt is arranged at the upper end of the connecting block, anti-disengaging rods are arranged on the two sides of the lifting hook body, and fixing rods are arranged between the rear ends of the anti-disengaging rods and the lifting hook body. According to the lifting hook structural part for the bridge crane, a worker can conveniently connect the lifting hook main body with the mounting base through the arranged fixing plug pin, the lifting hook main body can conveniently rotate at multiple angles through the arranged rotating bearing, and meanwhile goods are prevented from slipping off from the lifting hook main body through the arranged anti-slipping rod.

Description

TECHNICAL FIELD

[0001] The utility model relates to a hook structural member technology field, especially a hook structural member for bridge crane. BACKGROUND

[0002] The bridge crane is a kind of hoisting equipment widely used in industrial and construction fields, and its main function is to lift and move heavy objects. In the structure of the bridge crane, the hook is a key load-bearing component, which undertakes the task of lifting heavy objects.

[0003] The existing hook structural member is inconvenient for workers to assemble when installing and using, leading to more troublesome maintenance in the later period, and some hooks lack anti-dropping devices, so that goods are easy to slip off the hook during the work process, which brings certain adverse effects to the use process of people. In order to solve the problems in the prior art, a hook structural member for bridge crane is proposed. UTILITY MODEL CONTENTS

[0004] The main purpose of the utility model is to provide a hook structural member for bridge crane, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] A hook structural member for bridge crane, comprising a first fixed side plate, a second fixed side plate is arranged at the front end of the first fixed side plate, a pulley is arranged between the first fixed side plate and the second fixed side plate, a fixed pin is arranged in the inside of the pulley, the fixed pin passes through the inside of the first fixed side plate, the second fixed side plate and the pulley, a fixed block is arranged at the front end of the fixed pin, a locking nut is arranged at the outside of the rear end of the fixed pin, a plurality of threaded holes are symmetrically arranged on the inner wall of the first fixed side plate, a plurality of fixed screws are arranged on the inner wall of the front end of the second fixed side plate, a mounting base is arranged below the first fixed side plate, a rotating bearing is arranged on the inner wall of the mounting base, a hook body is arranged below the first fixed side plate and the second fixed side plate, a fixed ring is arranged on the upper end outer surface of the hook body, a connecting block is arranged above the fixed ring, a first fixed pin is arranged between the fixed ring and the connecting block, the connecting block passes through the inside of the rotating bearing, a connecting bolt is arranged on the upper end of the connecting block, the connecting bolt is arranged above the mounting base, limit pins are symmetrically arranged on both sides of the hook body, a positioning block is arranged on the rear end outer surface of the hook body, a second fixed pin is arranged between the anti-dropping rod and the positioning block, anti-dropping rods are arranged on both sides of the hook body, a fixed rod is arranged between the rear end of the anti-dropping rod and the hook body, an extension rod and a spring are arranged in the inside of the fixed rod, and movable connecting pieces are arranged between the fixed rod and the hook body and between the extension rod and the anti-dropping rod.

[0007] Preferably, the second fixed side plate is detachably connected with the first fixed side plate through the fixing screw, and the pulley is detachably connected with the first fixed side plate and the second fixed side plate through the fixing bolt.

[0008] Preferably, the fixing block is fixedly arranged at the front end of the fixing bolt, the locking nut is threadedly connected with the fixing bolt, the mounting base is fixedly arranged below the first fixed side plate, and the rotating bearing is detachably connected with the mounting base.

[0009] Preferably, the fixing ring is fixedly arranged at the upper end of the hook body, the limiting pins are symmetrically arranged at the two sides of the hook body, the connecting block is detachably connected with the fixing ring through the first fixing pin, and the inner diameter of the fixing ring is greater than the outer diameter of the first fixing pin.

[0010] Preferably, the connecting block is detachably connected with the mounting base through the connecting bolt, the connecting block is rotatably connected with the rotating bearing, and the positioning block is fixedly arranged at one side of the hook body.

[0011] Preferably, the anti-falling rod is detachably connected with the positioning block through the second fixing pin, the fixed rod is detachably connected with the hook body through the movable connecting piece, the extension rod is slidably connected with the fixed rod, the spring is detachably connected with the fixed rod, and the extension rod is detachably connected with the anti-falling rod through the movable connecting piece.

[0012] Compared with the prior art, the utility model has the advantages of the following:

[0013] 1、The first fixed side plate and the second fixed side plate are connected through the fixing screw, the pulley is limited between the first fixed side plate and the second fixed side plate through the fixing bolt, the hook body is installed through the mounting base, and the hook body is rotatable at multiple angles through the rotating bearing.

[0014] 2、The connecting block and the fixing ring are connected through the first fixing pin, the hook body and the mounting base are connected through the connecting bolt, the anti-falling rod is used to prevent the goods from slipping off the hook body, and the anti-falling rod is self-locked through the fixed rod and the spring. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the overall structure schematic view of the utility model;

[0016] Figure 2 is the internal structure schematic view of the utility model;

[0017] Figure 3 This is a schematic diagram of the main structure of the hook of this utility model;

[0018] Figure 4 This is a schematic diagram of the fixing pin structure of this utility model;

[0019] Figure 5 This is a schematic diagram of the connection structure between the anti-detachment rod and the main body of the hook of this utility model;

[0020] Figure 6 This is a schematic diagram of the fixing rod structure of this utility model.

[0021] In the diagram: 1. First fixed side plate; 2. Second fixed side plate; 3. Threaded hole; 4. Fixing screw; 5. Pulley; 6. Mounting base; 7. Rotary bearing; 8. Fixing pin; 9. Fixing block; 10. Locking nut; 11. Hook body; 12. Limiting pin; 13. Fixing ring; 14. Connecting block; 15. Connecting bolt; 16. Anti-detachment rod; 17. Positioning block; 18. Fixing rod; 19. Movable connecting piece; 20. Extension rod; 21. Spring; 22. First fixing pin; 23. Second fixing pin. Detailed Implementation

[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0023] Example 1, as Figures 1-6 As shown, a hook structure for a bridge crane includes a first fixed side plate 1. Multiple sets of threaded holes 3 are provided at the front end of the first fixed side plate 1. The threaded holes 3 and fixing screws 4 facilitate the connection of the first fixed side plate 1 to a second fixed side plate 2. A fixing pin 8 allows the worker to fix a pulley 5 between the first fixed side plate 1 and the second fixed side plate 2. The pulley 5 facilitates the connection of the hook to the crane's traction part. A first fixing pin 22 facilitates the connection of the hook body 11 to a connecting block 14. A connecting bolt 15 facilitates the connection of the connecting block 14 to a mounting base 6, facilitating hook assembly. A rotating bearing 7 facilitates the rotation of the hook body 11.

[0024] Example 2, as Figures 1-6As shown, a kind of hook structure piece for bridge crane, by the positioning block 17 and the second fixed pin 23 of setting facilitate staff to connect with the hook main body 11 of anti-drop rod 16, simultaneously by the limiting pin 12 of setting to the bottom end of anti-drop rod 16 is limited, by the setting of anti-drop rod 16 prevent goods and hook main body 11 from slipping, staff will be hung in the inside of hook main body 11 when goods, the hoisting part on goods will push the lower end of anti-drop rod 16 and move downward, the upper end of anti-drop rod 16 is extruded to extension rod 20, by the setting of multiple groups of movable connecting piece 19, the angle of fixed rod 18 and extension rod 20 can be flexibly adjusted, when the hoisting part of goods is completely in the inside of hook main body 11, the hoisting part is separated from anti-drop rod 16, by the setting of spring 21, extension rod 20 is extruded to the upper end of anti-drop rod 16, to push the lower end of anti-drop rod 16 and contact with limiting pin 12, to complete self-locking.

[0025] It should be noted that the utility model is a kind of hook structure piece for bridge crane, when using, by the setting of screw hole 3 and fixed screw 4, staff is facilitated to assemble first fixed side plate 1 with second fixed side plate 2, install base 6 is inserted into the square groove of the inner wall of second fixed side plate 2, it is supported, fixed pin 8 is passed from the inside of first fixed side plate 1, pulley 5 and second fixed side plate 2, to limit pulley 5 between second fixed side plate 2 and first fixed side plate 1, by the setting of locking nut 10, the rear end of fixed pin 8 is limited, to prevent falling, fixed ring 13 is placed in the inside of connecting block 14, by the setting of first fixed pin 22, connecting block 14 is connected with fixed ring 13, then the cylinder on the upper end of connecting block 14 is inserted into the inside of rotating bearing 7, connecting bolt 15 is connected from the upper side of install base 6 with connecting block 14, to connect connecting block 14 with install base 6, complete the assembly of hook main body 11, then anti-drop rod 16 is sleeved on the outside of hook main body 11, so that the lower end of anti-drop rod 16 is below limiting pin 12, simultaneously, the second fixed pin 23 is passed from the inner wall of anti-drop rod 16 and positioning block 17, anti-drop rod 16 is connected with hook main body 11, by the setting of movable connecting piece 19, fixed rod 18 is connected with first fixed side plate 1, extension rod 20 is connected with anti-drop rod 16, i.e. the assembly of anti-drop rod 16 and hook main body 11 can be completed.

[0026] The basic principles and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A hook structure for a bridge crane, comprising a first fixed side plate (1), characterized in that: A second fixed side plate (2) is provided at the front end of the first fixed side plate (1). A pulley (5) is provided between the first fixed side plate (1) and the second fixed side plate (2). A fixing pin (8) is provided inside the pulley (5). The fixing pin (8) passes through the interior of the first fixed side plate (1), the second fixed side plate (2) and the pulley (5). A fixing block (9) is provided at the front end of the fixing pin (8). A locking nut (10) is provided on the outer side of the rear end of the fixing pin (8). The first fixed side plate (1) The inner wall of the first fixed side plate (1) is symmetrically provided with multiple sets of threaded holes (3). The inner wall of the front end of the second fixed side plate (2) is provided with multiple sets of fixing screws (4). The first fixed side plate (1) is provided with a mounting base (6) below it. The inner wall of the mounting base (6) is provided with a rotating bearing (7). The hook body (11) is provided below the first fixed side plate (1) and the second fixed side plate (2). The upper outer surface of the hook body (11) is provided with a fixing ring (13). The upper part of the fixing ring (13) is provided with a connecting block (14). The fixing ring (13) and the connecting block (14) are provided with a first fixing pin (22). The upper end of the connecting block (14) passes through the interior of the rotating bearing (7). The upper end of the connecting block (14) is provided with a connecting bolt (15). The connecting bolt (15) is provided above the mounting base (6). Limit pins (12) are symmetrically provided on both sides of the hook body (11). The rear outer surface of the hook body (11) is provided with a positioning block (17). (11) is provided with anti-detachment rods (16) on both sides. A second fixing pin (23) is provided between the anti-detachment rod (16) and the positioning block (17). A fixing rod (18) is provided between the rear end of the anti-detachment rod (16) and the hook body (11). An extension rod (20) and a spring (21) are provided inside the fixing rod (18). Movable connecting parts (19) are provided between the fixing rod (18) and the hook body (11) and between the extension rod (20) and the anti-detachment rod (16).

2. A hook structure for a bridge crane according to claim 1, characterized in that: The second fixed side plate (2) is detachably connected to the first fixed side plate (1) by a fixed screw (4), and the pulley (5) is detachably connected to the first fixed side plate (1) and the second fixed side plate (2) by a fixed pin (8).

3. A hook structure for a bridge crane according to claim 1, characterized in that: The fixing block (9) is fixedly installed at the front end of the fixing pin (8), the locking nut (10) is threadedly connected to the fixing pin (8), the mounting base (6) is fixedly installed below the first fixing side plate (1), and the rotating bearing (7) is detachably connected to the mounting base (6).

4. A hook structure for a bridge crane according to claim 1, characterized in that: The fixing ring (13) is fixedly installed at the upper end of the hook body (11), the limiting pin (12) is symmetrically arranged on both sides of the hook body (11), the connecting block (14) is detachably connected to the fixing ring (13) through the first fixing pin (22), and the inner diameter of the fixing ring (13) is larger than the outer diameter of the first fixing pin (22).

5. A hook structure for a bridge crane according to claim 1, characterized in that: The connecting block (14) is detachably connected to the mounting base (6) by the connecting bolt (15), the connecting block (14) is rotatably connected to the rotating bearing (7), and the positioning block (17) is fixedly set on one side of the hook body (11).

6. A hook structure for a bridge crane according to claim 1, characterized in that: The anti-detachment rod (16) is detachably connected to the positioning block (17) via the second fixing pin (23). The fixing rod (18) is detachably connected to the hook body (11) via the movable connector (19). The extension rod (20) is slidably connected to the fixing rod (18). The spring (21) is detachably connected to the fixing rod (18). The extension rod (20) is detachably connected to the anti-detachment rod (16) via the movable connector (19).

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