Hoisting hook of crane

Abstract

The utility model discloses a hoisting hook of a crane, and relates to the technical field of hoisting hooks of cranes. Sliding grooves are formed in the two ends of the movable rod piece, movable arms are movably connected to the interiors of the sliding grooves, connecting holes are formed in the lower portions of the movable arms, a fixing piece is fixedly connected to the interior of the third connecting shaft, and a clamping piece is fixedly connected to the side face of the fixing piece. Due to the fact that the movable arm is fixed to the side face of the extending plate through the first connecting shaft, when the movable rod piece descends and a second connecting shaft fixedly connected with the upper end of the movable arm slides to one end of the sliding groove in the sliding groove, the rotating direction of the movable arm outside the first connecting shaft is changed, and the clamping piece fixedly connected with the bottom end of the movable arm is tightened inwards; the clamping device is used for clamping the liquefied gas storage tank, then the liquefied gas storage tank is driven by the crane to be hoisted, the situation that the tank body is cylindrical during hoisting, so that the tank body is fixed is avoided, and the working efficiency of the crane is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to crane hoisting lifting hook technical field, concretely is a crane hoisting lifting hook. BACKGROUND

[0002] The crane lifting hook is a component of the crane, which is often used for lifting heavy objects. The lifting hook is often hung on the rising steel wire rope with the help of pulley blocks and other components. The storage tank is mainly used to store acid, alkali, alcohol, gas and liquid chemical substances in the aspects of alkali slag treatment and resource utilization. The storage tank is widely used in North China. According to the different materials, there are polyethylene storage tank, polypropylene storage tank, glass steel storage tank, ceramic storage tank, rubber storage tank, stainless steel storage tank, etc. In terms of the cost performance of the storage tank, the steel lining polyethylene storage tank is the most superior at present, which has excellent corrosion resistance, high strength, long service life, etc. The appearance can be manufactured into vertical, horizontal, transportation, stirring and other varieties. The existing CO2 liquefied gas storage tank is difficult to fix when using the crane to lift, which affects the working efficiency of the crane. SUMMARY

[0003] In view of the defects of the prior art, the utility model provides a crane hoisting lifting hook, which solves the problem that the existing CO2 liquefied gas storage tank is difficult to fix when using the crane to lift, which affects the working efficiency of the crane.

[0004] To achieve the above purpose, the utility model realizes the following technical scheme: a crane hoisting lifting hook. The lifting hook assembly is provided with a clamping assembly at the bottom, the clamping assembly comprises a movable rod, two ends of the movable rod are provided with a sliding groove, the inside of the sliding groove is movably connected with a movable arm, the top end of the movable arm is fixedly connected with a second connecting shaft, the movable arm is movably connected with the inside of the sliding groove through the second connecting shaft, a connecting hole is formed below the movable arm, the bottom end of the movable arm is fixedly connected with a third connecting shaft, the inside of the third connecting shaft is fixedly connected with a fixed piece, the side surface of the fixed piece is fixedly connected with a clamping piece.

[0005] Preferably, the lifting hook assembly comprises a connecting piece, two connecting seats are fixedly connected at the two ends of the connecting piece, two lifting hooks are movably connected at the bottoms of the two connecting seats respectively, a fixing ring is sleeved outside the lifting hook, steel wires are fixedly connected at the two ends of the fixing ring, a connecting plate is fixedly connected at the bottom of the steel wire, an oil cylinder is fixedly connected at the bottom of the connecting plate, an extension plate extends downward from one side of the connecting plate, and a first connecting shaft is fixedly connected to the surface of the extension plate.

[0006] Preferably, the bottom of the oil cylinder is fixedly connected with a movable rod.

[0007] Preferably, the bottom of the extension plate is provided with a movable groove, and the diameter of the movable groove is same as the diameter of the clamping member.

[0008] Preferably, the movable arm is movably connected to the two ends of the movable rod through a second connecting shaft, the first connecting shaft penetrates the inside of the connecting hole, and the movable arm is movably connected to the surface of the extension plate through the first connecting shaft.

[0009] Preferably, the third connecting shaft penetrates the fixing member, and the clamping member is fixedly connected to the bottom of the movable arm through the fixing member.

[0010] Preferably, the movable arm and the clamping member are symmetrically arranged relative to the movable rod, and gaps exist between the clamping members.

[0011] The utility model provides a kind of crane hoisting lifting hook.Compared with prior art, it has the following beneficial effects:

[0012] 1. A crane hoisting lifting hook is lifted by movable rod driven by oil cylinder, since movable arm is fixed in the side of extension plate through first connecting shaft, when the second connecting shaft fixedly connected to the upper end of movable arm slides to one end inside the sliding groove when movable rod drops, the rotating direction of movable arm outside first connecting shaft is changed, the clamping member fixedly connected to the bottom end of movable arm is tightened inward, liquefied gas storage tank is clamped, then is lifted by crane, avoid lifting due to the cylindrical shape of tank body, so as to be inconvenient to fix tank body, improve the working efficiency of crane.

[0013] 2. A crane hoisting lifting hook is connected to the clamping assembly arranged below connecting plate through the fixing ring sleeved at the bottom of lifting hook, through the setting of double lifting hook, the movement of liquefied gas storage tank is more stable, and the safety of crane lifting is increased, avoid the occurrence of danger due to the limited bearing capacity of single lifting hook, improve the safety of crane working. ACCURACY

[0014] Figure 1 It is the overall structure schematic diagram of the utility model;

[0015] Figure 2 It is the lifting hook assembly structure schematic diagram of the utility model;

[0016] Figure 3 It is the local structure schematic diagram of the utility model;

[0017] Figure 4 It is the clamping assembly structure schematic diagram of the utility model.

[0018] In the figure: 1, hook assembly; 2, clamping assembly; 11, connecting piece; 12, connecting seat; 13, hook; 14, fixing ring; 15, steel wire rope; 16, connecting plate; 17, oil cylinder; 18, extension plate; 19, first connecting shaft; 110, movable groove; 21, movable rod piece; 22, sliding groove; 23, movable arm; 24, second connecting shaft; 25, connecting hole; 26, third connecting shaft; 27, fixing piece; 28, clamping piece. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer to Figures 1-4 The utility model provides a kind of technical solutions: crane hoist hook.It includes hook assembly 1, the bottom of hook assembly 1 is provided with clamping assembly 2, clamping assembly 2 includes movable rod piece 21, two ends of movable rod piece 21 are provided with sliding groove 22, sliding groove 22 is inclined to upper side, the inside of sliding groove 22 is movably connected with movable arm 23, the top of movable arm 23 is fixedly connected with second connecting shaft 24, movable arm 23 is movably connected with the inside of sliding groove 22 by second connecting shaft 24, second connecting shaft 24 is located in the inside of sliding groove 22, connecting hole 25 is arranged below movable arm 23, the bottom of movable arm 23 is fixedly connected with third connecting shaft 26, third connecting shaft 26 is fixedly connected with fixing piece 27 in the inside, the side of fixing piece 27 is fixedly connected with clamping piece 28, one end of movable arm 23 is movably connected in the inside of sliding groove 22, the other end of movable arm 23 is fixedly connected outside fixing piece 27, movable arm 23 is fixed on the surface of extension plate 18 by first connecting shaft 19, the gap between clamping piece 28 is changed by the sliding of second connecting shaft 24 in the inside of sliding groove 22, one end of liquefied gas storage tank is fixed in the inside of clamping piece 28, and the liquefied gas storage tank is hoisted by crane, fixing piece 27 is used to connect movable arm 23 and clamping piece 28 by third connecting shaft 26, when the angle of movable arm 23 around first connecting shaft 19 changes, the gap between clamping piece 28 is changed, and the inside gap of clamping piece 28 can be sleeved on the outside one end of liquefied gas storage tank.

[0021] Please refer to Figures 1-4The hook assembly 1 comprises a connecting piece 11, two connecting seats 12 are fixedly connected at both ends of the connecting piece 11, the connecting piece 11 is used for connecting a cable on a crane, the bottoms of the two connecting seats 12 are movably connected with hooks 13 respectively, the outside of each hook 13 is sleeved with a fixing ring 14, the fixing ring 14 is sleeved at the bottom of the hook 13, so that the steel wire rope 15 and the bottom structure can avoid being separated from the bottom of the hook 13 in the case of swinging during lifting, the two ends of the fixing ring 14 are fixedly connected with the steel wire rope 15, the bottom of the steel wire rope 15 is fixedly connected with a connecting plate 16, the bottom of the connecting plate 16 is fixedly connected with an oil cylinder 17, an extension plate 18 extends downward from one side of the connecting plate 16, a first connecting shaft 19 is fixedly connected to the surface of the extension plate 18, the first connecting shaft 19 is used for fixing an activity arm 23 on the surface of the extension plate 18, the bottom of the oil cylinder 17 is fixedly connected with an activity rod 21, the oil cylinder 17 is used for driving the activity rod 21 to lift, the bottom of the extension plate 18 is provided with an activity groove 110, the diameter of the activity groove 110 is the same as that of a clamping piece 28, the activity groove 110 prevents the clamping of the clamping piece 28 from being affected when the clamping piece 28 clamps the liquefied gas storage tank, the activity arm 23 is movably connected to both ends of the activity rod 21 through a second connecting shaft 24, the first connecting shaft 19 penetrates the inside of a connecting hole 25, the activity arm 23 is movably connected to the surface of the extension plate 18 through the first connecting shaft 19, a third connecting shaft 26 penetrates a fixing piece 27, the clamping piece 28 is fixedly connected to the bottom of the activity arm 23 through the fixing piece 27, the activity arm 23 and the clamping piece 28 are symmetrically arranged about the activity rod 21, and there is a gap between the clamping pieces 28, when the liquefied gas storage tank needs to be lifted, the same hook structure is arranged at both ends of the liquefied gas storage tank, so that the stability during lifting is ensured.

[0022] In use, first, the two hooks 13 are sleeved with the clamping piece 28 at both ends of the liquefied gas storage tank, the activity rod 21 is lifted by the oil cylinder 17, when the activity rod 21 is lowered, the second connecting shaft 24 fixedly connected to the upper end of the activity arm 23 slides to one end of the sliding groove 22 in the inside of the sliding groove 22, the rotating direction of the activity arm 23 outside the first connecting shaft 19 is changed, the clamping piece 28 fixedly connected to the bottom end of the activity arm 23 is tightened inward, the liquefied gas storage tank is clamped, the fixing ring 14 sleeved at the bottom of the hook 13 can be connected with the clamping assembly 2 arranged below the connecting plate 16, through the arrangement of the double hooks 13, the movement of the liquefied gas storage tank is more stable, and the safety of lifting by the crane is improved.

[0023] In the embodiment, the structure characteristics and working principle of the crane lifting hook are the same as those of the prior art, which will not be described here.

[0024] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0025] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A crane lifting hook comprising a hook assembly (1), characterised in that: The bottom of the hook assembly (1) is provided with a clamping assembly (2); The clamping assembly (2) comprises a movable rod (21), both ends of the movable rod (21) are provided with a sliding groove (22), the inside of the sliding groove (22) is movably connected with a movable arm (23), the top end of the movable arm (23) is fixedly connected with a second connecting shaft (24), the movable arm (23) is movably connected with the inside of the sliding groove (22) through the second connecting shaft (24), the lower part of the movable arm (23) is provided with a connecting hole (25), the bottom end of the movable arm (23) is fixedly connected with a third connecting shaft (26), the third connecting shaft (26) penetrates through a fixed part (27), the side surface of the fixed part (27) is fixedly connected with a clamping part (28); The hook assembly (1) comprises a connecting part (11), both ends of the connecting part (11) are fixedly connected with two connecting seats (12), the bottoms of the two connecting seats (12) are movably connected with hooks (13), the outside of the hook (13) is sleeved with a fixed ring (14), both ends of the fixed ring (14) are fixedly connected with steel wires (15), the bottom of the steel wire (15) is fixedly connected with a connecting plate (16), the bottom of the connecting plate (16) is fixedly connected with an oil cylinder (17), one side of the connecting plate (16) extends downwardly with an extension plate (18), the surface of the extension plate (18) is fixedly connected with a first connecting shaft (19).

2. A crane lifting hook according to claim 1, characterised in that: The bottom of the oil cylinder (17) is fixedly connected with the movable rod (21).

3. A lifting hook for a crane according to claim 1, characterized in that: The bottom of the extension plate (18) is provided with a movable groove (110), the diameter of the movable groove (110) is the same as that of the clamping part (28).

4. A lifting hook for a crane according to claim 1, characterized in that: The movable arm (23) is movably connected at both ends of the movable rod (21) through the second connecting shaft (24), the first connecting shaft (19) penetrates through the inside of the connecting hole (25), and the movable arm (23) is movably connected on the surface of the extension plate (18) through the first connecting shaft (19).

5. A lifting hook for a crane according to claim 1, characterized in that: The third connecting shaft (26) penetrates through the fixed part (27), and the clamping part (28) is connected at the bottom of the movable arm (23) through the fixed part (27).

6. A crane lifting hook as claimed in claim 4, characterised in that: The movable arm (23) and the clamping part (28) are symmetrically arranged about the movable rod (21), and there is a gap between the clamping parts (28).

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