CN216336158U

CN216336158U - Lifting hook hanging weight induction device

Info

Publication number: CN216336158U
Application number: CN202122638442.7U
Authority: CN
Inventors: 吴晓栋
Original assignee: Suzhou Pangyuan Construction Machinery Technology Co ltd
Current assignee: Suzhou Pangyuan Construction Machinery Technology Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-04-19
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses a lifting hook hanging weight sensing device, which comprises a rectangular box, wherein a steel hook penetrating through the rectangular box is arranged at the center of the lower surface of a rectangular plate, an anti-drop rod is used for preventing an object hung by the steel hook from dropping, the installation performance of the steel hook is improved, a plurality of groups of supporting springs are arranged between the lower surface of the rectangular plate and the inner wall of the rectangular box, a high-pressure cylinder is arranged on the upper wall inside the rectangular box, a pressure sensor is arranged inside the high-pressure cylinder, the bearing capacity of the steel hook is converted into gas pressure through the form of air pressure, when the steel hook moves downwards, a sealing plug is controlled to compress the gas in the high-pressure cylinder, when the air pressure reaches the threshold value of the pressure sensor, a buzzer sounds, a warning lamp emits light, and a worker is reminded from the visual sense of hearing that the bearing capacity of the steel hook is insufficient, a piston sleeve is inserted inside the high-pressure cylinder, and the device optimizes the structure of the steel hook, hard contact of the pressure sensor is avoided, and the pressure sensor can be effectively prevented from being damaged.

Description

Lifting hook hanging weight induction device

Technical Field

The utility model relates to the technical field of lifting hooks, in particular to a lifting hook weight-hanging induction device.

Background

A hook is one of the most common spreaders in hoisting machinery. The lifting hook on the existing market is too simple, although the production of the lifting hook is easy, the lifting hook has more defects in use, the requirement of a user cannot be met, the phenomenon of unhooking is easily generated when the common lifting hook is used, great risk exists, more damage is caused to the structure of the lifting hook, the service cycle of the lifting hook is shortened, and the safety is low.

For this reason, publication No. CN210594920U discloses a lifting hook device for improving security, including the device body, the device body is including hanging case, lug and lifting hook, the fixed lug that is provided with in hanging case top, the inside diaphragm that slides of hanging case is provided with, the fixed connecting rod that is provided with in diaphragm bottom, the connecting rod bottom mounting is provided with the lifting hook, the through-hole has been seted up to the afterbody of lifting hook, the fixed installation piece that is provided with in hanging case bottom one side, the fixed telescopic link that is provided with in installation piece bottom, the bottom fixedly connected with carriage release lever of telescopic link, the bottom fixedly connected with first spring of carriage release lever, the bottom fixedly connected with extension plate of first spring.

To foretell lifting hook device who improves security, when the important overload of lifting hook bearing, pressure sensor makes bee calling organ send the long ring police dispatch newspaper, realizes safe hoist and mount operation, and the security is high, still exists following not enough: on the one hand, the pressure sensor is directly pressed down by the transverse plate, the firmness of the pressure sensor is higher, the pressure sensor is easy to damage after being used for a long time, and on the other hand, the working noise of the hoisting machinery is large, and a worker cannot be reminded of the overload condition in time only by the buzzer.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a hook weight-hanging sensing device is provided to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a hook weight sensing device to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a lifting hook hanging weight induction device comprises a rectangular box, wherein lifting rings are arranged on the upper surface of the rectangular box and fixedly connected with the rectangular box in a welding mode, a rectangular plate is connected inside the rectangular box in a sliding mode, a steel hook penetrating through the rectangular box is arranged at the center of the lower surface of the rectangular plate, a plurality of groups of supporting springs are arranged between the lower surface of the rectangular plate and the inner wall of the rectangular box, eight groups of supporting springs are arranged and arranged in a square mode, eight groups of supporting cylinders and eight groups of supporting rods are respectively arranged on the lower surface of the rectangular plate and the surface of the inner wall of the rectangular box, the supporting cylinders are matched with the supporting rods, and the supporting springs are sleeved on the surfaces of the corresponding supporting cylinders and the supporting rods;

the eight groups of supporting springs can uniformly support the rectangular plate, when the rectangular plate simultaneously compresses the eight groups of supporting springs, the eight groups of supporting springs can uniformly distribute pressure, so that the problem of elastic attenuation of the supporting springs is avoided, and the service life of the supporting springs is prolonged;

the upper wall of the interior of the rectangular box is provided with a high-pressure cylinder, a pressure sensor is arranged in the high-pressure cylinder, and the left side surface and the right side surface of the rectangular box are respectively provided with a warning lamp and a buzzer;

the warning lamp and the buzzer are both electrically connected with the pressure sensor, the warning lamp is a lamp emitting red light, the red light can better play a warning role, and the pressure sensor presets a threshold value according to the bearing capacity of the steel hook;

a piston sleeve is inserted into the high-pressure cylinder, a sealing plug which is abutted against the inner wall of the high-pressure cylinder is arranged at the upper end of the piston sleeve, gas is stored in the high-pressure cylinder, the high-pressure cylinder is in a sealing state due to the sealing plug, and a sealing ring is arranged on the lower end face of the high-pressure cylinder and abutted against the surface of the piston sleeve;

the double-sided piston type rectangular box is characterized in that a rotating strip is movably connected between two opposite inner walls of the rectangular box through a cross rod, two groups of bolts are symmetrically arranged on the left and right of the surface of the rotating strip, pull rods are movably connected to the surfaces of the two groups of bolts, the other end of each pull rod is movably connected with a piston sleeve through a first pin shaft seat, the other end of each pull rod is movably connected with a rectangular plate through a second pin shaft seat, and the first pin shaft seat and the second pin shaft seat are located on the same straight line.

Further, the upper portion of the surface of the steel hook is rotatably connected with an anti-falling rod, the other end of the anti-falling rod abuts against the surface of the steel hook, and the anti-falling rod enables the steel hook to form a closed loop in a natural state.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the anti-drop rod is used for preventing an article hung by the steel hook from dropping, the installation performance of the steel hook is improved, the bearing capacity of the steel hook is converted into gas pressure in the form of air pressure, when the steel hook moves downwards, the sealing plug is controlled to compress the gas in the high-pressure cylinder, when the air pressure reaches the threshold value of the pressure sensor, the buzzer sounds, the warning lamp emits light, and the worker is reminded of insufficient bearing capacity of the steel hook in the aspects of vision and hearing;

this device optimizes the structure of steel hook, avoids pressure sensor hard contact to appear, can effectively prevent pressure sensor damage, prolongs its life, reduces use cost.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is an enlarged view of the structure of FIG. 1 at B;

FIG. 4 is a cross-sectional view of the piston sleeve of the present invention;

FIG. 5 is a schematic view of the connection structure of the rectangular box and the support spring according to the present invention.

In the figure: 1. a rectangular box; 2. a rectangular plate; 3. a steel hook; 4. a support cylinder; 5. a support spring; 6. a support bar; 7. a high pressure barrel; 8. a pressure sensor; 9. a piston sleeve; 10. a sealing plug; 11. a seal ring; 12. a buzzer; 13. a warning light; 14. a cross bar; 15. rotating the strip; 16. a bolt; 17. a pull rod; 18. a first pin shaft seat; 19. a second pin shaft seat; 20. a hoisting ring; 21. the anticreep pole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a lifting hook hanging weight induction device comprises a rectangular box 1, wherein a rectangular plate 2 is connected inside the rectangular box 1 in a sliding mode, a steel hook 3 penetrating through the rectangular box 1 is arranged at the center of the lower surface of the rectangular plate 2, a plurality of groups of supporting springs 5 are arranged between the lower surface of the rectangular plate 2 and the inner wall of the rectangular box 1, the rectangular box 1 plays a role in fixing the rectangular plate 2, the rectangular plate 2 fixes the steel hook 3, the steel hook 3 is used for hanging objects needing to be lifted, the supporting springs 5 support the rectangular plate 2, and when the steel hook 3 is in an idle load state, the rectangular plate 2 is reset;

the upper wall of the interior of the rectangular box 1 is provided with a high-pressure cylinder 7, the high-pressure cylinder 7 can bear larger gas pressure, a pressure sensor 8 is arranged in the high-pressure cylinder 7, the pressure sensor 8 is used for detecting the gas pressure, the left side surface and the right side surface of the rectangular box 1 are respectively provided with a warning lamp 13 and a buzzer 12, a piston sleeve 9 is inserted into the high-pressure cylinder 7, the upper end of the piston sleeve 9 is provided with a sealing plug 10 which is abutted against the inner wall of the high-pressure cylinder 7, the piston sleeve 9 is connected with the high-pressure cylinder 7 in a sliding manner, and the piston sleeve 9 pushes the sealing plug 10 to compress the gas in the high-pressure cylinder 7;

have rotatory strip 15 through horizontal pole 14 swing joint between the two relative inner walls of rectangle case 1, horizontal pole 14 plays the fixed effect of support to rotatory strip 15, rotatory strip 15 surface bilateral symmetry is equipped with two sets of bolts 16, two sets of 16 equal swing joint in surface of bolt has pull rod 17, the left side pull rod 17 other end is through first round pin axle bed 18 and piston sleeve 9 swing joint, the right side pull rod 17 other end passes through second round

pin axle bed

19 and 2 swing joint of rectangular plate, and when right side pull rod 17 rotated through the rotatory strip 15 of 16 pulling of the bolt pulling that correspond, rotatory strip 15 can the simultaneous control left side pull rod 17 promote piston sleeve 9 and remove.

During specific implementation, eight groups of support springs 5 are arranged, the eight groups of support springs 5 are arranged in a square shape, and the support effect of the eight groups of support springs 5 on the rectangular plate 2 is better.

During specific implementation, 2 lower surfaces of rectangular plate and 1 inner wall surfaces of rectangle case are equipped with eight sets of support section of thick bamboo 4 and eight sets of bracing pieces 6 respectively, and support section of thick bamboo 4 and bracing piece 6 phase-matchs, support spring 5 cup joints at a support section of thick bamboo 4 and the bracing piece 6 surface that corresponds, and when the range of support spring 5 compressed is great, support section of thick bamboo 4 can overlap on the bracing piece 6 surface, and bracing piece 6 and support section of thick bamboo 4 can prevent that support spring 5 from buckling this moment.

When the hook is specifically implemented, the upper part of the surface of the steel hook 3 is rotatably connected with the anti-falling rod 21, the other end of the anti-falling rod 21 abuts against the surface of the steel hook 3, and when articles are hung on the steel hook 3, the anti-falling rod 21 can prevent the articles from falling off.

In specific implementation, the upper surface of the rectangular box 1 is provided with a hanging ring 20, and the hanging ring 20 is used for being mechanically connected with an external jack.

During specific implementation, the lower terminal surface of the high-pressure cylinder 7 is provided with a sealing ring 11, the sealing ring 11 is abutted to the surface of the piston sleeve 9, the sealing ring 11 further enhances the sealing performance between the high-pressure cylinder 7 and the piston sleeve 9, air leakage is prevented, and the pressure sensor 8 is influenced to detect wrong air pressure values.

Specifically, when in use, a lifting rope of an external hoisting apparatus passes through the lifting ring 20, when hoisting is needed, the anti-falling rod 21 is rotated to enable the anti-falling rod to no longer block the steel hook 3, when an article is hung in the steel hook 3, the anti-falling rod 21 is reset to enable the steel hook 3 to form a closed loop again to prevent the article from falling off, after hoisting is started, the gravity of the article pulls down the steel hook 3, the steel hook 3 pulls down the rectangular plate 2, the rectangular plate 2 compresses the supporting spring 5, the supporting spring 5 generates elastic potential energy, the rectangular plate 2 pulls the right pull rod 17 through the second pin shaft seat 19, the right pull rod 17 is pulled to rotate simultaneously, the rotating strip 15 is pulled to rotate clockwise through the right bolt 16, the rotating strip 15 pushes the left pull rod 17 to move upwards through the left bolt 16, the left pull rod 17 pushes the piston sleeve 9 to move upwards through the first pin shaft seat 18, the piston sleeve 9 drives the sealing plug 10 to slide along the high-pressure cylinder 7 to extrude gas in the high-pressure cylinder 7, the inside pressure increase of a high-pressure section of thick bamboo 7, pressure sensor 8 is to atmospheric pressure real-time supervision, if atmospheric pressure reaches pressure sensor 8's threshold value, pressure sensor 8 control warning light 13 is luminous, 12 phonations of simultaneous control bee calling organ, the gravity of article surpasss the bearing capacity of steel hook 3 this moment, if atmospheric pressure does not reach pressure sensor 8's threshold value, then explain that steel hook 3 can hoist article, leave steel hook 3 when the article, the elastic potential energy of support spring 5 promotes rectangular plate 2 and resets, rectangular plate 2 control sealing plug 10 resets.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a heavy induction system is hung to lifting hook, includes rectangle case (1), its characterized in that: the rectangular box is characterized in that a rectangular plate (2) is slidably connected inside the rectangular box (1), a steel hook (3) penetrating through the rectangular box (1) is arranged at the center of the lower surface of the rectangular plate (2), a plurality of groups of supporting springs (5) are arranged between the lower surface of the rectangular plate (2) and the inner wall of the rectangular box (1), a high-pressure cylinder (7) is arranged on the inner upper wall of the rectangular box (1), a pressure sensor (8) is arranged inside the high-pressure cylinder (7), a warning lamp (13) and a buzzer (12) are respectively arranged on the left side surface and the right side surface of the rectangular box (1), a piston sleeve (9) is inserted into the high-pressure cylinder (7), a piston sleeve (10) abutting against the inner wall of the high-pressure cylinder (7) is arranged at the upper end of the piston sleeve (9), rotating strips (15) are movably connected between the inner walls of two opposite sealing plugs of the rectangular box (1) through cross rods (14), two groups of bolts (16) are symmetrically arranged on the left and right surfaces of the rotating strips (15), the surfaces of the two groups of the bolts (16) are movably connected with pull rods (17), the other ends of the pull rods (17) on the left side are movably connected with the piston sleeve (9) through first pin shaft seats (18), and the other ends of the pull rods (17) on the right side are movably connected with the rectangular plate (2) through second pin shaft seats (19).

2. A hook weight sensing device as claimed in claim 1, wherein: eight groups of supporting springs (5) are arranged, and the eight groups of supporting springs (5) are arranged in a square shape.

3. A hook weight sensing device as claimed in claim 1, wherein: the lower surface of the rectangular plate (2) and the inner wall surface of the rectangular box (1) are respectively provided with eight groups of supporting cylinders (4) and eight groups of supporting rods (6), the supporting cylinders (4) are matched with the supporting rods (6), and the supporting springs (5) are sleeved on the surfaces of the corresponding supporting cylinders (4) and the corresponding supporting rods (6).

4. A hook weight sensing device as claimed in claim 1, wherein: the upper part of the surface of the steel hook (3) is rotatably connected with an anti-falling rod (21), and the other end of the anti-falling rod (21) is propped against the surface of the steel hook (3).

5. A hook weight sensing device as claimed in claim 1, wherein: the upper surface of the rectangular box (1) is provided with a hanging ring (20).

6. A hook weight sensing device as claimed in claim 1, wherein: the lower end face of the high-pressure cylinder (7) is provided with a sealing ring (11), and the sealing ring (11) abuts against the surface of the piston sleeve (9).