CN216549235U - Safety protection device for hoisting machinery - Google Patents

Safety protection device for hoisting machinery Download PDF

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Publication number
CN216549235U
CN216549235U CN202123107048.7U CN202123107048U CN216549235U CN 216549235 U CN216549235 U CN 216549235U CN 202123107048 U CN202123107048 U CN 202123107048U CN 216549235 U CN216549235 U CN 216549235U
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China
Prior art keywords
lifting
strip
shaped plates
mounting
support box
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CN202123107048.7U
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Chinese (zh)
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孟凡英
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Individual
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Individual
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Abstract

The utility model belongs to the technical field of hoisting machinery, and particularly relates to a safety protection device for the hoisting machinery, which comprises a support box, wherein two fixed plates are fixedly arranged on the bottom side of the support box, strip-shaped plates are rotatably arranged on the front side and the rear side of the two fixed plates, steel wire ropes are fixedly arranged at one ends of the four strip-shaped plates far away from the support box, and lifting hooks are fixedly arranged at one ends of the steel wire ropes far away from the strip-shaped plates. The lifting hook is reasonable in design and simple to operate, is convenient to control the lifting hook to lift an object to be lifted, is good in stability, can know whether deviation stress occurs in the lifting process in real time, can effectively avoid lifting accidents caused by deviation stress, solves the problems that in the existing traditional lifting, the lifting is performed by matching a steel cable with the lifting hook, is poor in stability, needs workers to assist in hooking, can judge whether deviation stress occurs only in a visual inspection mode in the lifting process, and is easy to cause lifting accidents.

Description

Safety protection device for hoisting machinery
Technical Field
The utility model relates to the technical field of hoisting machinery, in particular to a safety protection device of the hoisting machinery.
Background
The hoisting machine is a machine that performs operations such as hoisting, loading, unloading, and transportation by realizing three-dimensional spatial displacement of a load (heavy object) by vertical lifting and/or horizontal movement of a hoisting hook (or other load handling device) in an intermittent and repeated manner. The traditional hoisting machinery mostly carries out hoisting operation through the matching of a steel cable and a lifting hook, but the traditional steel cable is poor in stability when being matched with the lifting hook for hoisting, workers are needed to assist in hooking, whether deviation stress occurs or not can be judged only through visual inspection in the hoisting process, and hoisting accidents are easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a safety protection device for a hoisting machine.
The technical purpose of the utility model is realized by the following technical scheme: the safety protection device for the hoisting machinery comprises a supporting box, wherein two fixed plates are fixedly mounted on the bottom side of the supporting box, strip-shaped plates are rotatably mounted on the front side and the rear side of the two fixed plates, a steel wire rope is fixedly mounted at one end, away from the supporting box, of each strip-shaped plate, a lifting hook is fixedly mounted at one end, away from the strip-shaped plates, of each steel wire rope, supporting rods are rotatably mounted on the four strip-shaped plates, one end, away from the strip-shaped plates, of each supporting rod is rotatably mounted on the same moving block, an adjusting screw rod is vertically and rotatably mounted at the bottom of the supporting box and is in threaded connection with the moving blocks, a worm wheel is fixedly sleeved in the supporting box and extends from the top end of the adjusting screw rod, an adjusting motor is fixedly mounted on the inner wall of the bottom of the supporting box, a worm is fixedly connected to an output shaft of the adjusting motor and is meshed with the worm wheel, and a mounting plate is arranged above the supporting box, one side that mounting panel and supporting box are close to each other is fixed mounting have same go-between, movable mounting has the jib on the mounting panel, the bottom fixed mounting of jib has spacing layer board.
Preferably, the top side of the limiting supporting plate is fixedly provided with a plurality of pressure sensors based on the suspension rod as a circle center, and the pressure sensors are all in contact with the bottom side of the mounting plate.
Preferably, the mounting plate is provided with a mounting hole, a universal ball is movably mounted in the mounting hole, and the suspender penetrates through the universal ball and is fixedly connected with the universal ball.
Preferably, the four strip-shaped plates are fixedly provided with support plates, the two support plates positioned on the same side are fixedly provided with the same connecting rod, and one ends of the four strip-shaped plates far away from the moving block are respectively connected with the corresponding connecting rods in a rotating manner.
Preferably, the same supporting plate is fixedly installed on the top inner wall and the bottom inner wall of the supporting box, and the worm is horizontally and rotatably installed on the supporting plate.
Preferably, the bottom end of the adjusting screw rod is fixedly provided with a limiting block.
The utility model has the beneficial effects that: according to the utility model, the movable block can be controlled to ascend and descend under the coordination of the adjusting motor, the worm wheel and the adjusting screw rod, the corresponding strip-shaped plates can be controlled to expand under the coordination of the four support rods, so that the lifting hook can be quickly and stably moved to the position above an object to be lifted, the lifting hook can be automatically hung on a lifting point of the object without other auxiliary hooks of workers, when the lifting hook is lifted, the stress condition of the limiting support plate can be transmitted to the controller through the pressure sensors, the condition that whether deviation stress occurs in the lifting process is conveniently known in real time, the problem that the stability is poor when the traditional steel cable is matched with the lifting hook to lift is effectively avoided, meanwhile, workers are required to carry out hooking in an auxiliary mode, and whether deviation stress occurs or not can be judged only in the visual inspection mode in the lifting process, and the condition of lifting accidents is easily caused.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic perspective view of a safety device for a lifting machine according to the present invention;
FIG. 2 is a schematic cross-sectional view of a safety device for a lifting machine according to the present invention;
fig. 3 is a schematic structural diagram of a part a of the safety protection device for lifting machinery according to the present invention.
In the figure: 1. a support box; 2. a fixing plate; 3. a strip plate; 4. a hook; 5. a strut; 6. a moving block; 7. adjusting the screw rod; 8. a limiting block; 9. a worm gear; 10. adjusting the motor; 11. a worm; 12. mounting a plate; 13. a connecting ring; 14. a boom; 15. a limiting supporting plate; 16. a pressure sensor; 17. a universal ball; 18. a connecting rod.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Referring to fig. 1-3, a safety protection device for hoisting machinery comprises a supporting box 1, two fixed plates 2 are fixedly installed on the bottom side of the supporting box 1, strip-shaped plates 3 are rotatably installed on the front and back sides of the two fixed plates 2, a steel wire rope is fixedly installed at one end of each of the four strip-shaped plates 3 far away from the supporting box 1, a hook 4 is fixedly installed at one end of each of the steel wire ropes far away from the strip-shaped plates 3, supporting rods 5 are rotatably installed on the four strip-shaped plates 3, the same movable block 6 is rotatably installed at one end of each of the four supporting rods 5 far away from the strip-shaped plates 3, an adjusting lead screw 7 is vertically and rotatably installed at the bottom of the supporting box 1, the adjusting lead screw 7 is in threaded connection with the movable block 6, the top end of the adjusting lead screw 7 extends into the supporting box 1 and is fixedly sleeved with a worm wheel 9, an adjusting motor 10 is fixedly installed on the inner wall of the bottom of the supporting box 1, and a worm 11 is fixedly connected to an output shaft of the adjusting motor 10, and the worm 11 is meshed with the worm wheel 9, the moving block 6 can be controlled to lift through the cooperation of the adjusting motor 10, the worm 11, the worm wheel 9 and the adjusting screw 7, the mounting plate 12 is arranged above the supporting box 1, one side, close to each other, of the mounting plate 12 and the supporting box 1 is fixedly provided with the same connecting ring 13, the mounting plate 12 is movably provided with a hanging rod 14, and the bottom end of the hanging rod 14 is fixedly provided with a limiting supporting plate 15.
In this embodiment, the top side of the limiting support plate 15 is fixed and is provided with a plurality of pressure sensors 16 based on the suspension rod 14 as a circle center, and the plurality of pressure sensors 16 are all contacted with the bottom side of the mounting plate 12, and the stress condition of the whole device is effectively transmitted to the controller through the plurality of pressure sensors 16, so that an operator can conveniently know the stress condition of the device in real time.
In this embodiment, the mounting plate 12 is provided with a mounting hole, the mounting hole is internally and movably provided with a universal ball 17, the suspender 14 penetrates through the universal ball 17 and is fixedly connected with the universal ball 17, and the universal ball 17 can enable multidirectional deflection between the suspender 14 and the mounting plate 12, so that the suspender 14 can be effectively prevented from being influenced by torsion.
In this embodiment, equal fixed mounting has the extension board on four bar 3, and the fixed mounting has same connecting rod 18 on two extension boards that lie in same one side, and four bar 3 keep away from the one end of movable block 6 and rotate with the connecting rod 18 that corresponds respectively and be connected, can make bar 3 keep better stability through connecting rod 18.
In this embodiment, the same support plate is fixedly mounted on the top inner wall and the bottom inner wall of the support box 1, the worm 11 is horizontally rotatably mounted on the support plate, and the rotation of the worm 11 can be kept stable by the support plate.
In this embodiment, adjusting screw 7's bottom fixed mounting has stopper 8, can avoid movable block 6 and adjusting screw 7 to break away from through stopper 8.
The working principle is as follows: when using, at first be connected the top of jib 14 with the davit of hoist, then the switch on, start adjusting motor 10, adjusting motor 10 drives accommodate the lead screw 7 through worm 11 and worm wheel 9 and rotates, thereby can control the movable block 6 downstream, and then can promote corresponding bar 3 through four branch 5 and deflect, be convenient for the operator self-control lifting hook 4 carries out the hoist and mount operation to the article that needs hoist, carry out the hoist and mount operation through hanging lifting hook 4 on the article that needs hoist, at the in-process that lifts by crane, 16 spacing layer boards 15 of pressure sensor transmit the condition to the controller with the atress, thereby be convenient for the clear whole atress condition of knowing the device of operator, and then be convenient for whether the better article of discerning the hoist and mount of being partial to the atress, effectual avoiding is because of the hoist and mount risk that leads to the atress partially to the atress.
The safety protection device for the hoisting machinery provided by the utility model is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are set forth only to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (6)

1. The hoisting machinery safety protection device comprises a support box (1) and is characterized in that two fixed plates (2) are fixedly mounted on the bottom side of the support box (1), strip-shaped plates (3) are rotatably mounted on the front side and the rear side of the two fixed plates (2), steel wire ropes are fixedly mounted at the ends, away from the support box (1), of the four strip-shaped plates (3), lifting hooks (4) are fixedly mounted at the ends, away from the strip-shaped plates (3), of the steel wire ropes, supporting rods (5) are rotatably mounted on the four strip-shaped plates (3), the same movable block (6) is rotatably mounted at the ends, away from the strip-shaped plates (3), of the four supporting rods (5), an adjusting screw rod (7) is vertically rotatably mounted at the bottom of the support box (1), the adjusting screw rod (7) is in threaded connection with the movable block (6), the top end of the adjusting screw rod (7) extends into the support box (1) and fixes a worm wheel (9), fixed mounting has adjusting motor (10) on the bottom inner wall of supporting box (1), fixedly connected with worm (11) on the output shaft of adjusting motor (10), and worm (11) mesh mutually with worm wheel (9), the top of supporting box (1) is provided with mounting panel (12), one side fixed mounting that mounting panel (12) and supporting box (1) are close to each other has same go-between (13), movable mounting has jib (14) on mounting panel (12), the bottom fixed mounting of jib (14) has spacing layer board (15).
2. The lifting implement safety shield of claim 1, wherein: the top side of the limiting supporting plate (15) is fixedly provided with a plurality of pressure sensors (16) based on the suspension rod (14) as a circle center, and the pressure sensors (16) are all in contact with the bottom side of the mounting plate (12).
3. The lifting implement safety shield of claim 1, wherein: the mounting plate (12) is provided with a mounting hole, a universal ball (17) is movably mounted in the mounting hole, and the suspender (14) penetrates through the universal ball (17) and is fixedly connected with the universal ball (17).
4. The lifting implement safety shield of claim 1, wherein: all fixed mounting has the extension board on four bar (3), and fixed mounting has same connecting rod (18) on two extension boards that lie in same one side, and the one end that the movable block (6) was kept away from in four bar (3) rotates with corresponding connecting rod (18) respectively and is connected.
5. The lifting implement safety shield of claim 1, wherein: the top inner wall and the bottom inner wall of the supporting box (1) are fixedly provided with the same supporting plate, and the worm (11) is horizontally and rotatably arranged on the supporting plate.
6. The lifting implement safety shield of claim 1, wherein: and a limiting block (8) is fixedly arranged at the bottom end of the adjusting screw rod (7).
CN202123107048.7U 2021-12-10 2021-12-10 Safety protection device for hoisting machinery Active CN216549235U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123107048.7U CN216549235U (en) 2021-12-10 2021-12-10 Safety protection device for hoisting machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123107048.7U CN216549235U (en) 2021-12-10 2021-12-10 Safety protection device for hoisting machinery

Publications (1)

Publication Number Publication Date
CN216549235U true CN216549235U (en) 2022-05-17

Family

ID=81541836

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123107048.7U Active CN216549235U (en) 2021-12-10 2021-12-10 Safety protection device for hoisting machinery

Country Status (1)

Country Link
CN (1) CN216549235U (en)

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