Special wear-resisting welding hook of hoist
Technical Field
The utility model relates to a crane equipment technical field, in particular to special wear-resisting welding hook of hoist.
Background
The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, which is also called a crown block, a crane, and the hoisting equipment has the working characteristics of intermittent motion, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle alternately work, the crane is more and more widely developed and used in the market, and when the crane is used, a lifting hook is a very important accessory and mainly needs to hook the objects for transportation through the lifting hook, but the existing crane welding hook has the following defects: 1. the stability of the lifting hook during lifting is poor, and the wear resistance of the lifting hook is low, so that the service life of the lifting hook is influenced; 2. when the lifting hook is used for transporting goods, the using angle of the lifting hook cannot be fixed, so that the lifting hook can rotate when the crane lifts the goods, and great potential safety hazards exist; therefore, a wear-resistant welding hook special for a crane is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a special wear-resisting welding hook of hoist can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a special wear-resisting welding hook of hoist, includes the fixing base, the equal fixedly connected with backup pad in upper end left part and the upper end right part of fixing base, two the common fixedly connected with fixed plate in upper end of backup pad, the equal fixedly connected with fixing device in upper end left part and the upper end right part of fixed plate, the upper end middle part interlude swing joint of fixing base has stop device, the upper end middle part fixedly connected with spacing ring of fixing base, and stop device is located the spacing ring, open the upper end of spacing ring has four draw-in grooves, stop device's lower extreme fixedly connected with lifting hook, a plurality of stopper of fixedly connected with in the hook of lifting hook.
Preferably, fixing device includes the gusset plate, the gusset plate is provided with two, two all there is the pivot through the common sliding connection of bearing between the opposite face of gusset plate, fixedly connected with pulley alternates in the surface middle part of pivot, open at the surface middle part of pulley has the spout, two the lower extreme of gusset plate and the upper end fixed connection of fixed plate.
Preferably, the limiting device comprises a fixed column, a compression spring is sleeved on the upper portion of the outer surface of the fixed column, a fixed block is fixedly connected to the upper end of the fixed column, four clamping blocks are fixedly connected to the outer surface of the fixed block, the upper end and the lower end of the compression spring are respectively fixedly connected to the lower end of the fixed block and the upper end of the fixed seat, and the lower end of the fixed column penetrates through the upper end of the fixed seat and is fixedly connected with the upper end of the lifting hook.
Preferably, the lifting hook comprises an iron core, the outer surface of the iron core is fixedly connected with a reinforcing layer, and the outer surface of the reinforcing layer is fixedly connected with a wear-resistant layer.
Preferably, the pulley is not in contact with the fixed plate, and a plurality of anti-skid lines are carved on the groove wall of the sliding groove.
Preferably, the diameter of the fixing block is consistent with the diameter of the inner ring of the limiting ring, and the four clamping blocks are respectively clamped with the four corresponding clamping grooves.
Compared with the prior art, the utility model discloses following beneficial effect has:
firstly, the lifting rope in the crane is limited and fixed through the sliding groove in the pulley by arranging the fixing device, so that the lifting hook is convenient to fix, the stability of the lifting hook during lifting is improved by arranging the two pulleys, the wear resistance of the lifting hook is improved through the wear-resistant layer arranged on the outer surface of the lifting hook, and the service life of the lifting hook is prolonged;
two, through setting up stop device, compression spring shrink when the lifting hook lifts by crane article makes the fixed column lapse and makes the fixture block card in the draw-in groove simultaneously, carries on spacing fixedly to the lifting hook, has avoided the use angle of lifting hook when using to obtain not fixed, leads to the lifting hook to lift by crane and produces rotatory problem to the security of lifting hook when using has been improved.
Drawings
FIG. 1 is a schematic view of the overall structure of a special wear-resistant welding hook for cranes of the present invention;
FIG. 2 is a schematic structural view of a fixing device of the special wear-resistant welding hook for cranes of the present invention;
FIG. 3 is a schematic structural view of a limiting device of the special wear-resistant welding hook for cranes of the present invention;
fig. 4 is the schematic view of the cross-sectional structure of the hook of the special wear-resistant welding hook for crane of the present invention.
In the figure: 1. a fixed seat; 2. a support plate; 3. a fixing plate; 4. a fixing device; 5. a limiting device; 6. a limiting ring; 7. a card slot; 8. a hook; 9. a limiting block; 41. a reinforcing plate; 42. a rotating shaft; 43. a pulley; 44. a chute; 51. fixing a column; 52. a compression spring; 53. a fixed block; 54. a clamping block; 81. an iron core; 82. a reinforcement layer; 83. and a wear-resistant layer.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-4, a special wear-resistant welding hook for crane, including fixing base 1, the equal fixedly connected with backup pad 2 in upper end left part and the upper end right part of fixing base 1, the common fixedly connected with fixed plate 3 in upper end of two backup pads 2, the equal fixedly connected with fixing device 4 in upper end left part and the upper end right part of fixed plate 3, swing joint has stop device 5 in the middle part of the upper end of fixing base 1 alternates, the upper end middle part fixedly connected with spacing ring 6 of fixing base 1, and stop device 5 is located spacing ring 6, open four draw-in grooves 7 in the upper end of spacing ring 6, stop device 5's lower extreme fixedly connected with lifting hook 8, a plurality of stopper 9 of fixedly connected with in lifting hook 8's the hook.
The fixing device 4 comprises two reinforcing plates 41, the two reinforcing plates 41 are arranged, the opposite surfaces of the two reinforcing plates 41 are jointly connected with a rotating shaft 42 in a sliding manner through a bearing, the middle part of the outer surface of the rotating shaft 42 is fixedly connected with a pulley 43 in an inserting manner, the middle part of the outer surface of the pulley 43 is provided with a sliding groove 44, and the lower ends of the two reinforcing plates 41 are fixedly connected with the upper end of the fixing plate 3; the limiting device 5 comprises a fixed column 51, a compression spring 52 is sleeved on the upper portion of the outer surface of the fixed column 51, a fixed block 53 is fixedly connected to the upper end of the fixed column 51, four fixture blocks 54 are fixedly connected to the outer surface of the fixed block 53, the upper end and the lower end of the compression spring 52 are fixedly connected to the lower end of the fixed block 53 and the upper end of the fixed seat 1 respectively, and the lower end of the fixed column 51 penetrates through the upper end of the fixed seat 1 and is fixedly connected with the upper end of; the lifting hook 8 comprises an iron core 81, a reinforcing layer 82 is fixedly connected to the outer surface of the iron core 81, and a wear-resistant layer 83 is fixedly connected to the outer surface of the reinforcing layer 82; the pulley 43 is not contacted with the fixed plate 3, so that the fixed plate 3 does not influence the rotation of the pulley 43, and a plurality of anti-skid lines are carved on the groove wall of the chute 44, so that the friction force between the pulley 43 and the lifting rope can be increased, and the stability is improved; the diameter size of fixed block 53 is unanimous with the inner ring diameter size of spacing ring 6, and the spacing ring 6 of being convenient for carries out spacing fixed to fixed block 53, and four fixture blocks 54 are respectively with four draw-in grooves 7 joint that correspond, can avoid lifting hook 8 to produce rotatoryly when the jack-up, have improved the security, and the connection between fixed column 51 and lifting hook 8 is the welding, makes lifting hook 8 fixed more firm.
It should be noted that, the utility model relates to a special wear-resistant welding hook for crane, when in use, a user winds a lifting rope in a chute 44 in a pulley 43 to fix the whole device on the crane, then hangs an object to be lifted on a lifting hook 8, and limits and fixes the object through a limiting block 9 to prevent the object from sliding off the lifting hook 8, then starts the crane, when the lifting hook 8 lifts the object, a fixed column 51 is influenced by gravity to drive the fixed block 53 to move downwards and contract a compression spring 52, and simultaneously the fixed block 53 drives a clamping block 54 to move downwards together, so that the clamping block 54 is clamped in a clamping groove 7 in a limiting ring 6 to limit and fix the lifting hook 8, and the fixed column 51 can not rotate, thereby improving the safety of the lifting hook 8 when in use, when the object is carried to a target position through the crane, the object is taken down from the lifting hook 8, at this time, the fixing block 53 is moved upwards by the elasticity of the compression spring 52, and the fixture block 54 is elastically clamped in the slot 7, so that the hook 8 can hook articles at any angle again, the wear resistance of the hook 8 can be improved by the wear-resistant layer 83, and the service life of the hook 8 is prolonged.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.