CN215479183U - Hook protection device for crane - Google Patents

Abstract

The utility model discloses a hook protection device for a crane, belonging to the technical field of crane equipment, and comprising a first protection box, wherein two fixed rods distributed at the left and right are fixedly connected in the first protection box, the outer wall of each fixed rod is fixedly connected with a fixed block, the outer wall of the first protection box is slidably connected with a slide block positioned at the lower side of the fixed block, a first compression spring sleeved at the outer end of the fixed rod is fixedly connected between the fixed block and the slide block, the fixed plate positioned in the first protection box is fixedly connected between the two first compression springs, a second protection box positioned between the two fixed rods is arranged in the first protection box, the lower end of the second protection box is provided with a connecting column in a penetrating manner, the lower end of the connecting column penetrates through the first protection box and extends to the lower side of the first protection box, so that an object to be hoisted can be effectively protected, thereby effectively avoiding the hook from damaging the object and further effectively avoiding economic loss.

Description

Hook protection device for crane

Technical Field

The utility model relates to the technical field of crane equipment, in particular to a hook protection device for a crane.

Background

The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, and is also called a crown block, a gantry crane, a crane and a tire crane, and is mainly characterized in that: the traveling cab and the crane control cab are combined into a whole and are formed by the evolution of a crawler crane (crawler crane), the crawler and a traveling support part of a traveling mechanism are changed into a chassis with tires, the defect that a crawler plate of the crawler crane (crawler crane) damages a road surface is overcome, the crane belongs to material handling machinery, the bridge crane is hoisting equipment which is transversely erected above a workshop, a warehouse and a stock yard to hoist materials, the two ends of the bridge crane are located on a high cement column or a metal support and are shaped like a bridge, the bridge frame of the bridge crane longitudinally runs along rails laid on elevated frames at two sides, the space below the bridge frame can be fully utilized to hoist the materials, the obstacle of ground equipment is avoided, and the crane is the crane machinery which is widest in application range and most in quantity.

The crane generally utilizes the hook to hoist the object, and the hook needs to be close to the object before hoisting the object, so that the hook is easy to collide with the object, the object is damaged, and certain economic loss is caused.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a hook protection device for a crane, which can effectively protect an object to be lifted, so that the object is effectively prevented from being damaged by a hook, and further economic loss is effectively avoided.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A hook protection device for a crane comprises a first protection box, wherein two fixed rods distributed left and right are fixedly connected in the first protection box, the outer wall of each fixed rod is fixedly connected with a fixed block, the outer wall of the first protection box is slidably connected with a slide block positioned on the lower side of the fixed block, a first compression spring sleeved at the outer end of each fixed rod is fixedly connected between the fixed block and the slide block, a fixed plate positioned in the first protection box is fixedly connected between the two first compression springs, a second protection box positioned between the two fixed rods is arranged in the first protection box, the lower end of the second protection box is provided with a connecting column in a penetrating manner and is slidably connected with the lower end of the connecting column, the lower end of the connecting column penetrates through the first protection box and extends to the lower side of the first protection box, the lower end of the connecting column is fixedly connected with a hook, the upper end of the connecting column is fixedly connected with a slide plate positioned in the second protection box, fixedly connected with second compression spring between slide and the second guard box upper inner wall, first guard box upper end fixed mounting has the collar, and this scheme can realize treating the object of jack-up and effectively protect to effectively avoid the couple to harm the object, and then effectively avoided economic loss.

Further, the fixed plate is fixedly connected with the outer end of the fixed rod and located at the lower end of the sliding block, and the fixed plate can play a certain limiting role for the sliding block, so that the sliding block is effectively prevented from being separated from the lower end of the fixed rod, and normal use of the device is effectively guaranteed.

Further, second guard box upper end is provided with the elasticity rubber gasbag that distributes about two, the inner wall contacts on elasticity rubber gasbag and the first guard box, two the equal fixedly connected with of elasticity rubber gasbag runs through the gas blow pipe that first guard box set up, and when elasticity rubber gasbag received pressure, can produce gas and outwards discharge through the gas blow pipe, and the impurity of first guard box outer wall can effectively be got rid of to gas this moment to play certain protection effect to first guard box.

Further, the spout with slider looks adaptation is all seted up at both ends about first protection box, two equal sliding connection has rather than corresponding slider fixed connection's horizontal pole in the spout, and the horizontal pole runs through first protection box and extends to the first protection box outside, slider one end fixedly connected with scraper blade is kept away from to the horizontal pole, the scraper blade is close to the sponge layer of first protection box one end fixedly connected with and the inseparable laminating of first protection box, and the upper and lower slip of slider can drive the scraper blade and slide from top to bottom to make the sponge layer can clear up impurity and the dust that first protection box outer wall exists, and then play certain protection effect to first protection box.

Further, couple lower extreme fixedly connected with protection is filled up, the protection is filled up and is made by the rubber material, and the protection fills up and can effectively avoid the couple and treat jack-up object direct contact on the one hand, and the material of on the other hand protection pad itself can play certain buffering effect to treat jack-up object and play certain guard action.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) this scheme can realize treating the object of jack-up and effectively protect to effectively avoid the couple to harm the object, and then effectively avoided economic loss.

(2) The fixed plate is fixedly connected with the outer end of the fixed rod and located at the lower end of the sliding block, and the fixed plate can play a certain limiting role for the sliding block, so that the sliding block is effectively prevented from being separated from the lower end of the fixed rod, and normal use of the device is effectively guaranteed.

(3) The elastic rubber air bags that distribute about two are arranged on the upper end of the second protection box, the inner walls of the elastic rubber air bags and the first protection box are in contact, the air blowing pipes which are arranged in the first protection box are penetrated through the equal fixedly connected with of the two elastic rubber air bags, when the elastic rubber air bags are under pressure, gas can be generated and is discharged outwards through the air blowing pipes, and at the moment, the gas can be effectively removed from the impurities on the outer wall of the first protection box, so that a certain protection effect is achieved on the first protection box.

(4) The spout with slider looks adaptation is all seted up at both ends about first protection box, equal sliding connection has rather than corresponding slider fixed connection's horizontal pole in two spouts, and the horizontal pole runs through first protection box and extends to the first protection box outside, slider one end fixedly connected with scraper blade is kept away from to the horizontal pole, the scraper blade is close to the sponge layer of first protection box one end fixedly connected with and the inseparable laminating of first protection box, the upper and lower slip of slider can drive the scraper blade and slide from top to bottom, thereby make the sponge layer can clear up impurity and dust that first protection box outer wall exists, and then play certain protection effect to first protection box.

(5) Couple lower extreme fixedly connected with protection is filled up, and the protection is filled up and is made by the rubber material, and the protection fills up and can effectively avoid the couple and treat jack-up object direct contact on the one hand, and on the other hand the material of protection pad itself can play certain buffering effect to treat jack-up object and play certain guard action.

Drawings

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

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

FIG. 3 is a schematic side view of the first protection box of the present invention.

The reference numbers in the figures illustrate:

1 first guard box, 2 dead levers, 3 fixed blocks, 4 sliders, 5 first compression springs, 6 fixed plates, 7 second guard boxes, 8 connecting columns, 9 sliding plates, 10 second compression springs, 11 mounting rings, 12 hooks, 13 elastic rubber airbags, 14 blowing pipes, 15 sliding grooves, 16 transverse rods, 17 scraping plates, 18 sponge layers and 19 guard mats.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1, a hook protection device for a crane comprises a first protection box 1, two fixed rods 2 distributed left and right are fixedly connected in the first protection box 1, a fixed block 3 is fixedly connected to the outer wall of the fixed rod 2, a slide block 4 positioned on the lower side of the fixed block 3 is slidably connected to the outer wall of the first protection box 1, a first compression spring 5 sleeved at the outer end of the fixed rod 2 is fixedly connected between the fixed block 3 and the slide block 4, a fixed plate 6 positioned in the first protection box 1 is fixedly connected between the two first compression springs 5, a second protection box 7 positioned between the two fixed rods (2) is arranged in the first protection box (1), referring to fig. 2, a connecting column 8 slidably connected is arranged at the lower end of the second protection box 7, the lower end of the connecting column 8 penetrates through the first protection box 1 and extends to the lower side of the first protection box 1, a hook 12 is fixedly connected to the lower end of the connecting column 8, referring to fig. 1, the upper end of the connecting column 8 is fixedly connected with a sliding plate 9 positioned inside the second protection box 7, a second compression spring 10 is fixedly connected between the sliding plate 9 and the upper inner wall of the second protection box 7, and a mounting ring 11 is fixedly mounted at the upper end of the first protection box 1.

Referring to fig. 1, a fixing plate 6 is fixedly connected to an outer end of a fixing rod 2, the fixing plate 6 is located at a lower end of a slider 4, the fixing plate 6 can limit the slider 4 to a certain extent, so as to effectively prevent the slider 4 from being separated from the lower end of the fixing rod 2, thereby effectively ensuring normal use of the device, two elastic rubber airbags 13 distributed left and right are arranged at an upper end of a second protection box 7, the elastic rubber airbags 13 are in the prior art, and deform when being pressed, and can recover to the original form when the pressure is lost, the elastic rubber airbags 13 are in contact with an upper inner wall of the first protection box 1, both the two elastic rubber airbags 13 are fixedly connected with an air blowing pipe 14 penetrating through the first protection box 1, when the elastic rubber airbags 13 are pressed, gas can be generated and discharged outwards through the air blowing pipe 14, and at this time, the gas can effectively remove impurities on an outer wall of the first protection box 1, thereby having a certain protection effect on the first protection box 1.

Please refer to fig. 3, the sliding grooves 15 adapted to the sliding blocks 4 are formed at the left and right ends of the first protection box 1, please refer to fig. 1, the two sliding grooves 15 are internally connected with a cross rod 16 fixedly connected with the corresponding sliding blocks 4, the cross rod 16 penetrates through the first protection box 1 and extends to the outside of the first protection box 1, the cross rod 16 is far away from the scraping plate 17 fixedly connected with one end of the sliding block 4, the scraping plate 17 is close to the sponge layer 18 tightly attached to one end of the first protection box 1 and closely attached to the first protection box 1, the sliding block 4 can drive the scraping plate 17 to slide up and down, so that the sponge layer 18 can clean impurities and dust existing on the outer wall of the first protection box 1, and further, the first protection box 1 can be protected to a certain extent.

Referring to fig. 2, the lower end of the hook 12 is fixedly connected with a protection pad 19, the protection pad 19 is made of rubber, on one hand, the protection pad 19 can effectively prevent the hook 12 from directly contacting with an object to be lifted, and on the other hand, the protection pad 19 can play a certain buffering effect due to the material of the protection pad, so that the object to be lifted can be protected.

When the lifting hook is used, please refer to fig. 2, a user connects the mounting ring 11 with a crane, then the user operates the crane to move the hook 12 to be close to an object to be lifted, please refer to fig. 1, when the hook 12 collides with the object to be lifted, the hook 12 moves in a direction close to the first protection box 1 to extrude the second compression spring 10 to contract, at this time, an impact force part generated by the collision is converted into elastic potential energy required by the deformation of the second compression spring 10 to be consumed, meanwhile, the second protection box 7 moves upwards in the first protection box 1 to drive the sliding block 4 to extrude the first compression spring 5 to contract the first compression spring 5, at this time, the impact force part generated by the collision is converted into elastic potential energy required by the deformation of the first compression spring 5 to be consumed, thereby the object to be lifted can be effectively protected, and the hook is effectively prevented from damaging the object, thereby effectively avoiding economic loss.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims (5)

1. The utility model provides a couple protection device for hoist, includes first guard box (1), its characterized in that: the inner part of the first protection box (1) is fixedly connected with two fixing rods (2) which are distributed left and right, the outer wall of each fixing rod (2) is fixedly connected with a fixing block (3), the outer wall of the first protection box (1) is connected with a sliding block (4) which is positioned on the lower side of the fixing block (3) in a sliding way, a first compression spring (5) which is sleeved at the outer end of each fixing rod (2) is fixedly connected between the fixing block (3) and the sliding block (4), a fixing plate (6) which is positioned in the first protection box (1) is fixedly connected between the two first compression springs (5), a second protection box (7) which is positioned between the two fixing rods (2) is arranged in the first protection box (1), the lower end of the second protection box (7) is provided with a connecting column (8) which is connected with the sliding way in a penetrating way, and the lower end of the connecting column (8) penetrates through the first protection box (1) and extends to the lower side of the first protection box (1), spliced pole (8) lower extreme fixedly connected with couple (12), spliced pole (8) upper end fixedly connected with is located inside slide (9) of second guard box (7), fixedly connected with second compression spring (10) between inner wall on slide (9) and second guard box (7), first guard box (1) upper end fixed mounting has collar (11).

2. A crane hook protector according to claim 1, further comprising: the outer end of the fixed rod (2) is fixedly connected with a fixed plate (6), and the fixed plate (6) is located at the lower end of the sliding block (4).

3. A crane hook protector according to claim 1, further comprising: the utility model discloses a safe protection device, including first guard box (1), second guard box (7) upper end is provided with two elasticity rubber gasbag (13) of controlling the distribution, the inner wall contacts on elasticity rubber gasbag (13) and first guard box (1), two equal fixedly connected with of elasticity rubber gasbag (13) runs through gas blow pipe (14) that first guard box (1) set up.

4. A crane hook protector according to claim 1, further comprising: spout (15) with slider (4) looks adaptation are all seted up at both ends about first protection box (1), two equal sliding connection has rather than horizontal pole (16) that correspond slider (4) fixed connection in spout (15), and horizontal pole (16) run through first protection box (1) and extend to the first protection box (1) outside, slider (4) one end fixedly connected with scraper blade (17) are kept away from in horizontal pole (16), scraper blade (17) are close to first protection box (1) one end fixedly connected with and closely laminate sponge layer (18) of first protection box (1).

5. A crane hook protector according to claim 1, further comprising: couple (12) lower extreme fixedly connected with protection pad (19), protection pad (19) are made by the rubber material.

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