CN217808323U

CN217808323U - Lifting hook with cap

Info

Publication number: CN217808323U
Application number: CN202221700937.6U
Authority: CN
Inventors: 袁瑞
Original assignee: Zhangqiu Ruiwang Machinery Co ltd
Current assignee: Zhangqiu Ruiwang Machinery Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-11-15
Anticipated expiration: 2032-07-04

Abstract

The utility model relates to a lifting hook technical field especially relates to a take cap lifting hook. The technical scheme comprises the following steps: the positioning seat is sleeved on the outer surface of the connecting screw rod close to the bottom, the outer surface of the connecting screw rod is located at the top of the positioning seat and is provided with the fixing seat, the lower surface of the positioning seat is provided with a clamping groove, the locking pin is adjusted in the middle of two sides of the positioning seat, the outer surface of the connecting screw rod is located at the tail end position of the locking pin and is provided with a locking groove, and the middle of two sides of the fixing seat is sleeved with a locking screw. The utility model provides a current device lifting hook cap fixed establishment simple, very easily become flexible after long-time the use, the stability in use is poor, and the safety in utilization is not good, and the lifting hook very easily rotates in the use, and the relatively poor problem of security has improved the fixed strength of fixing base during hoist and mount to the safety in utilization of lifting hook has been improved.

Description

Lifting hook with cap

Technical Field

The utility model relates to a lifting hook technical field specifically is a lifting hook with cap.

Background

The single hook is simple to manufacture and convenient to use, but has poor stress condition, and is mostly used in working occasions with the lifting capacity of below 80 tons; when the lifting capacity is large, double hooks with symmetrical stress are often adopted. The laminated lifting hook is formed by riveting a plurality of steel plates formed by cutting, the whole lifting hook cannot be damaged when cracks appear on individual plates, the safety is better, the dead weight is larger, and the laminated lifting hook is mostly used on a crane for lifting a large load or a lifting molten steel ladle. The lifting hook is often impacted in the operation process and needs to be made of high-quality carbon steel with good toughness.

Through massive retrieval, the crown block lifting hook disclosed as CN203295028U in the lifting hook device in the prior art is found to move the connecting device of two symmetrical round holes of the hook cap according to the different diameters of steel rings, so that the distance between the two hook pieces is adjusted, the conveying process is safer, and the falling off is better prevented. But also has the advantages of simple structure, convenient maintenance, convenient operation, high working efficiency and the like.

The existing lifting hook is simple in lifting hook cap fixing mechanism, easy to loosen after long-time use, poor in use stability and poor in use safety, the lifting hook is easy to rotate in the using process, the safety during lifting is poor, and therefore the lifting hook with the cap is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take cap lifting hook possesses the high advantage of stability, and it is simple to have solved current device lifting hook cap fixed establishment, very easily becomes flexible after long-time the use, and the stability in use is poor, and the safety in utilization is not good, and the lifting hook very easily rotates in the use, the relatively poor problem of security during hoist and mount.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a take cap lifting hook, includes main part and fixing base, wherein connecting screw is installed at the main part top, the positioning seat has been cup jointed near the bottom to the connecting screw surface, the connecting screw surface is located the positioning seat top and installs the fixing base, the positioning seat lower surface is equipped with the draw-in groove, all adjust the stop pin in the middle of the positioning seat both sides, the connecting screw surface is located stop pin end position department and is equipped with the locking groove, all cup jointed the locking screw in the middle of the fixing base both sides.

Preferably, the fixing seat is connected with the connecting screw rod in a screwing mode through threads, and the positioning seat is fixed through the fixing seat.

Preferably, the spring holder is installed to main part one side intermediate position department, the buckle is installed through the locating pin to spring holder one side, reset spring is installed through the spring boss in buckle and main part hookup location department, through setting up the buckle, prevents that the lifting rope from droing.

Preferably, spring grooves are formed in the two sides of the inside of the positioning seat and located at the locking pin, positioning springs are arranged on the outer surfaces of the locking pins and located on the inner surfaces of the spring grooves through locking bosses, and the locking pins are laterally pressed through the positioning springs.

Preferably, the bottom of the fixing seat is provided with a limiting groove A, the top of the positioning seat is provided with a limiting groove B, and the limiting groove A and the limiting groove B are internally provided with an extrusion spring, so that the positioning seat is extruded through the extrusion spring.

Preferably, the tail end of the locking pin is clamped on the inner surface of the locking groove and fixedly connected with the positioning seat through the locking pin.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the fixing base, positioning seat and lock post, reach the effect that increases positioning seat fixed strength, the positioning seat has been cup jointed near the bottom at the connecting screw rod surface, it sets up the fixing base to be located the positioning seat top at the connecting screw rod surface, be equipped with the draw-in groove under the positioning seat, all adjust the stop pin in the middle of the positioning seat both sides, it is equipped with the locking groove to be located stop pin end position department at the connecting screw rod surface, all cup jointed the locking screw in the middle of the fixing base both sides, simple with solving lifting hook cap fixed establishment, it is very difficult for becoming flexible after long-time the use, the stability in use is poor, the not good problem of safety in utilization, the fixed strength of fixing base has been improved, thereby the safety in utilization of lifting hook has been improved.

2. The utility model discloses a be equipped with the draw-in groove at the positioning seat lower surface, reach the effect that increases lifting hook and equipment junction frictional force to solve the lifting hook and very easily rotate in the use, the relatively poor problem of security has improved the stability in use of lifting hook during hoist and mount, thereby has improved the safety in utilization of lifting hook.

Drawings

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

fig. 2 is a schematic front view of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2;

FIG. 4 is an enlarged view of B in FIG. 2;

fig. 5 is a schematic view of the bottom view structure of the positioning seat of the present invention.

Reference numerals are as follows: 1. a main body; 2. buckling the plate; 3. positioning seats; 4. a fixed seat; 5. connecting a screw rod; 6. a spring seat; 7. a return spring; 8. a locking screw; 9. a limiting groove A; 10. a compression spring; 11. a limiting groove B; 12. a locking groove; 13. a positioning spring; 14. a locking pin; 15. a spring slot; 16. locking the boss; 17. a clamping groove.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-5, in order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a take cap lifting hook, including main part 1 and fixing base 4, connecting screw 5 is installed at 1 top of main part, connecting screw 5 surface is close to the bottom and has cup jointed positioning seat 3, connecting screw 5 surface is located 3 tops of positioning seat and installs

fixing base

4, 3 lower surfaces of positioning seat are equipped with draw-in groove 17, all adjust stop pin 14 in the middle of 3 both sides of positioning seat, connecting screw 5 surface is located 14 end position departments of stop pin and is equipped with locking groove 12, all cup jointed locking screw 8 in the middle of 4 both sides of fixing base, fixing base 4 closes with connecting screw 5 through the screw thread soon and is connected, 3 inside both sides of positioning seat are located 14 position departments of stop pin and are equipped with spring groove 15, stop pin 14 surface is located spring groove 15 internal surfaces and installs positioning spring 13 through locking boss 16, stop pin 14 end clamps in locking groove 12 internal surfaces.

The working principle of the cap-equipped lifting hook based on the embodiment 1 is as follows: will the utility model discloses install the back, when the installation, embolia jointing equipment with connecting screw 5, overlap 3 covers at connecting screw 5 surfaces with positioning seat again, accomplish the back, overlap 4 covers of fixing base at connecting screw 5 surfaces, fix positioning seat 3 through fixing base 4, accomplish the back, rotatory locking screw 8 again, fix fixing base 4 through locking screw 8, carry out the side pressure through positioning spring 13 to locking round pin 14 simultaneously, clamp the locking through locking round pin 14 and locking groove 12, in the use, through the frictional force of draw-in groove 17 increase positioning seat 3, prevent the utility model discloses it is rotatory when hoist and mount, so far, this equipment work flow is accomplished.

Example two

As shown in fig. 1-5, the utility model provides a lifting hook with cap, compare in embodiment one, this embodiment still includes: spring holder 6 is installed to 1 one side intermediate position department of main part, and buckle 2 is installed through the locating pin in 6 one sides of spring holder, and reset spring 7 is installed through the spring boss in

buckle

2 and 1 hookup location department of main part, and 4 bottoms of fixing base are equipped with spacing groove A9, and 3 tops of positioning seat are equipped with spacing groove B11, and spacing groove A9 and spacing groove B11 internal surface mounting have extrusion spring 10.

In this embodiment, in the use, go into main part 1 inside with the lifting rope card, through buckle 2, restrict the lifting rope, prevent that the lifting rope from droing to extrude positioning seat 3 through extrusion spring 10, prevent that positioning seat 3 from rotating under 4 fixing bases again, influencing the utility model discloses stability in use.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations to the above embodiments based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims

1. The utility model provides a take cap lifting hook, includes main part (1) and fixing base (4), its characterized in that: connecting screw rod (5) are installed at main part (1) top, positioning seat (3) have been cup jointed near the bottom to connecting screw rod (5) surface, connecting screw rod (5) surface is located positioning seat (3) top and installs fixing base (4), positioning seat (3) lower surface is equipped with draw-in groove (17), stop pin (14) have all been adjusted in the middle of positioning seat (3) both sides, connecting screw rod (5) surface is located stop pin (14) end position department and is equipped with locking groove (12), all cup jointed locking screw (8) in the middle of fixing base (4) both sides.

2. A capped lifting hook as claimed in claim 1, wherein: the fixed seat (4) is connected with the connecting screw rod (5) in a screwing mode through threads.

3. A capped lifting hook as claimed in claim 1, wherein: main part (1) one side intermediate position department installs spring holder (6), buckle (2) are installed through the locating pin in spring holder (6) one side, reset spring (7) are installed through the spring boss in buckle (2) and main part (1) hookup location department.

4. A capped lifting hook as claimed in claim 1, wherein: the positioning seat is characterized in that spring grooves (15) are formed in the positions, located on the locking pins (14), of the two sides of the interior of the positioning seat (3), and positioning springs (13) are mounted on the outer surfaces of the locking pins (14), located on the inner surfaces of the spring grooves (15) through locking bosses (16).

5. A capped lifting hook as claimed in claim 1, wherein: fixing base (4) bottom is equipped with spacing groove A (9), positioning seat (3) top is equipped with spacing groove B (11), spacing groove A (9) and spacing groove B (11) internally surface mounting has extrusion spring (10).

6. A capped lifting hook as claimed in claim 1, wherein: the tail end of the locking pin (14) is clamped on the inner surface of the locking groove (12).