CN220537280U - Detachable lifting appliance structure for portal crane - Google Patents

Abstract

The utility model discloses a detachable lifting appliance structure for a portal crane, which comprises a lifting plate, wherein the top of the lifting plate is fixedly connected with a plurality of lifting seats, the bottom of the lifting plate is fixedly connected with a fixing frame, a stabilizing component is arranged on the lifting plate, a motor is fixedly arranged in the fixing frame, the bottom end of an output shaft of the motor penetrates through the bottom of the fixing frame and is fixedly connected with a guide rail, both ends of the guide rail are fixedly connected with baffle plates, and a pair of grabbing components are arranged on the guide rail. According to the utility model, each component can be detached respectively so as to be overhauled and replaced independently, the grabbing angle and the grabbing width of the grabbing component can be adjusted according to the needs and the size of the weight, and the utility model has the advantages of wide applicability, good stability, high structural strength and difficult deformation.

Description

Detachable lifting appliance structure for portal crane

Technical Field

The utility model belongs to the technical field of crane lifting appliances, and particularly relates to a detachable lifting appliance structure for a gantry crane.

Background

The gantry crane is a jib crane with a bridge frame supported on ground rails or foundations through two side support legs. The portal crane is widely applied to mechanized loading and unloading of cargoes in ports and wharfs, construction and installation of ships in shipyards and dam construction engineering of large hydropower stations, and can reduce heavy manual labor, improve operating conditions of workers and improve labor productivity. The lifting appliance is an important component of a portal crane, can be used for lifting heavy objects, is a lifting hook, and is also a lifting ring, a lifting sucker, a clamp, a lifting beam and the like.

There are some gantry cranes on the market at present, for example, a lifting appliance for a gantry crane is disclosed on the China patent net, the publication number of which is CN209957239U, and the lifting appliance structure, although being applicable to the gantry crane, has some defects and shortcomings to be improved: (1) Most of the existing lifting appliances are of integrated structures, and related components are difficult to disassemble, so that each component is inconvenient to overhaul and replace independently; (2) After the existing lifting appliance is fixedly arranged on a crane, the angle is relatively fixed, the grabbing angle is difficult to adjust when a counterweight is grabbed, and the grabbing width is difficult to adjust according to the size of the counterweight, so that the applicability of the lifting appliance is reduced; (3) The existing lifting appliance structure lacks effective stabilizing and reinforcing measures, a lifting rope easily shakes when a heavy object is lifted, related parts are easily deformed under long-time stress, the service life of the lifting appliance is not only influenced, but also potential safety hazards are easily caused. Therefore, aiming at the problems, the detachable lifting appliance structure for the portal crane has important significance.

Disclosure of Invention

The utility model provides a detachable lifting appliance structure for a portal crane, which solves the problems.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a detachable lifting appliance structure for a portal crane, which comprises a lifting plate, wherein the top of the lifting plate is fixedly connected with a plurality of lifting seats, the bottom of the lifting plate is fixedly connected with a fixed frame, a stabilizing component is arranged on the lifting plate, a motor is fixedly arranged in the fixed frame, the bottom end of an output shaft of the motor penetrates through the bottom of the fixed frame and is fixedly connected with a guide rail, both ends of the guide rail are fixedly connected with baffle plates, and a pair of grabbing components are arranged on the guide rail;

the stabilizing assembly comprises a stabilizing frame, a lifting hole is formed in the top of the stabilizing frame, a plurality of first mounting holes are formed in the bottoms of two sides of the stabilizing frame, a pair of supports are fixedly connected to the top of the stabilizing frame, the supports are L-shaped, limiting pipes are fixedly connected to the tail ends of the supports, the inner diameter of each limiting pipe is equal to the aperture of the lifting hole, the centers of the limiting pipes and the lifting hole are located on the same straight line, a plurality of first studs are fixedly connected to two sides of the top of the lifting plate, and first nuts matched with the first studs are connected to the first studs in a threaded mode;

the grabbing component comprises an electric telescopic rod, the electric telescopic rod is fixedly arranged at the top of a guide rail and is respectively positioned at two sides of a fixing frame, an output shaft end of the electric telescopic rod is fixedly connected with a grabbing frame, the side face of the grabbing frame is n-shaped, an electromagnetic chuck is arranged at the bottom of the grabbing frame, a plurality of second mounting holes are formed in the bottoms of two sides of the grabbing frame, a power supply seat is fixedly arranged at the top of the electromagnetic chuck, a plurality of second studs are fixedly connected to two sides of the top of the electromagnetic chuck, and second nuts matched with the second studs are connected to the second studs in a threaded mode.

Further, the first studs and the first mounting holes are the same in number, the diameters of the first studs and the first mounting holes are the same as the diameters of the first mounting holes, and each first stud and the center of the corresponding first mounting hole are located on the same straight line.

Further, the outer walls of the two sides of the fixing frame are fixedly connected with reinforcing blocks, the reinforcing blocks are of triangular block structures, and the tops of the reinforcing blocks are fixedly connected to the bottoms of the lifting plates.

Further, the inner walls of the two sides of the grabbing frame are fixedly connected with sliding blocks, the front end face and the rear end face of the guide rail are provided with sliding grooves, the sliding blocks are attached to the sliding grooves, and the thickness of the sliding blocks is equal to the width of the sliding grooves.

Further, the second studs and the second mounting holes are the same in number, the diameters of the second studs and the second mounting holes are the same as the diameters of the second mounting holes, and each second stud and the center of the corresponding second mounting hole are located on the same straight line.

Further, the outer walls of the top ends of the two sides of the grabbing frame are fixedly connected with fixing blocks, the bottoms of the fixing blocks are fixedly connected with fixing rings, the two sides of the top of the electromagnetic chuck are fixedly connected with hanging rings, and the hanging rings are located under the fixing rings.

Compared with the prior art, the utility model has the following beneficial effects:

(1) When the lifting appliance structure is used, the lifting appliance structure can be lifted or put down by means of each lifting seat through the lifting rope so as to lift the counterweight, and when the lifting appliance structure fails, each component can be detached respectively so as to independently overhaul and replace each component;

(2) When the lifting appliance structure is used, the heavy objects can be grabbed through the grabbing component, and the grabbing angle and the grabbing width of the grabbing component can be adjusted according to the needs and the sizes of the heavy objects, so that the applicability of the lifting appliance structure is greatly improved;

(3) When the lifting appliance structure is used, the lifting rope can be limited through the stabilizing component so as to improve the stability of the lifting rope, so that potential safety hazards caused by shaking of the lifting rope when the lifting appliance structure is lifted or put down can be effectively prevented, and the fixing frame and the electromagnetic chuck can be respectively reinforced and pulled through the reinforcing block and the traction rope tied between the lifting ring and the fixing ring so as to improve the structural strength of the fixing frame and the electromagnetic chuck, and further, the deformation of the fixing frame and the electromagnetic chuck after being stressed is prevented from influencing the service life of the lifting appliance structure.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a detachable spreader structure for a gantry crane according to the present utility model;

FIG. 2 is a front view of the structure of a detachable spreader structure for a gantry crane according to the present utility model;

FIG. 3 is a structural side view of a detachable spreader structure for a gantry crane in accordance with the present utility model;

FIG. 4 is a schematic perspective view of a stabilizing assembly according to the present utility model;

fig. 5 is a schematic perspective view of a gripping frame according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a lifting plate; 2. a lifting seat; 3. a fixing frame; 4. a motor; 5. a guide rail; 6. a baffle; 7. a stabilizing rack; 8. lifting holes; 9. a first mounting hole; 10. a bracket; 11. a limiting tube; 12. a first stud; 13. a first nut; 14. an electric telescopic rod; 15. a grabbing frame; 16. an electromagnetic chuck; 17. a second mounting hole; 18. a power supply base; 19. a second stud; 20. a second nut; 21. a reinforcing block; 22. a slide block; 23. a chute; 24. a fixed block; 25. a fixing ring; 26. and (5) hanging rings.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "opposite," "one end," "interior," "transverse," "end," "both ends," "two sides," "front," "one end face," "the other end face," and the like indicate orientations or positional relationships, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the components or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-5, the detachable lifting device structure for the gantry crane of the utility model comprises a lifting plate 1, wherein the top of the lifting plate 1 is fixedly connected with a plurality of lifting seats 2, the bottom of the lifting plate is fixedly connected with a fixing frame 3, one end of a lifting rope can be divided into a plurality of strands and respectively tied on each lifting seat 2, the other end of the lifting rope is wound on a winding drum of the gantry crane, the lifting device structure can be lifted or put down by each lifting seat 2 through the lifting rope so as to lift a counterweight, a stabilizing component is arranged on the lifting plate 1, a motor 4 is fixedly arranged in the fixing frame 3, the bottom end of an output shaft of the motor 4 penetrates through the bottom of the fixing frame 3 and is fixedly connected with a guide rail 5, two ends of the guide rail 5 are fixedly connected with a baffle 6, and a pair of grabbing components are arranged on the guide rail 5;

the stabilizing assembly comprises a stabilizing frame 7, a lifting hole 8 is formed in the top of the stabilizing frame 7, a plurality of first mounting holes 9 are formed in the bottoms of the two sides of the stabilizing frame 7, a pair of supports 10 are fixedly connected to the top of the stabilizing frame 7, the supports 10 are L-shaped, limiting pipes 11 are fixedly connected to the tail ends of the supports, the inner diameter of each limiting pipe 11 is equal to the aperture of the lifting hole 8, the centers of the limiting pipes 11 and the lifting hole 8 are located on the same straight line, a lifting rope can respectively penetrate through the lifting hole 8 and the limiting pipes 11, and the lifting rope can be limited through the combined action of the lifting hole 8 and the limiting pipes 11 so as to improve the stability of the lifting rope, so that potential safety hazards caused by shaking of the lifting rope when the lifting rope is lifted or put down can be effectively prevented, a plurality of first studs 12 are fixedly connected to the two sides of the top of the lifting plate 1, and first nuts 13 matched with the first studs 12 are connected to the lifting plate through threads;

the grabbing component comprises an electric telescopic rod 14, the electric telescopic rod 14 is fixedly arranged at the top of a guide rail 5 and is respectively positioned at two sides of a fixed frame 3, the tail end of an output shaft of the electric telescopic rod is fixedly connected with a grabbing frame 15, the side surface of the grabbing frame 15 is n-shaped, the bottom of the electric telescopic rod is provided with an electromagnetic chuck 16, the bottoms of the two sides of the grabbing frame 15 are provided with a plurality of second mounting holes 17, the top of the electromagnetic chuck 16 is fixedly provided with a power supply seat 18, the two sides of the top of the electromagnetic chuck 16 are fixedly connected with a plurality of second studs 19, the second studs 19 are in threaded connection with second nuts 20 matched with the second studs 19, the power supply seat 18 is electrically connected with the electromagnetic chuck 16 through wires, the electromagnetic chuck 16 can be powered through the power supply seat 18, strong magnetic attraction force can be generated after the electromagnetic chuck 16 is electrified so as to lift a heavy object, the grabbing frame 15 can be driven to move left and right along the guide rail 5 together through driving the electric telescopic rod 14, the distance between the two grabbing frames 15 can be changed according to the size of the heavy object so as to adjust the grabbing width, the guide rail 5 can be driven by a driving motor 4 to rotate together with the whole grabbing component, and the lifting appliance can be adjusted according to the requirement.

Wherein, the number of first studs 12 is the same with the first mounting hole 9, its diameter is equal with the aperture of first mounting hole 9, and every first stud 12 is located on same straight line with corresponding first mounting hole 9 center, each first stud 12 can pass corresponding first mounting hole 9 respectively, at this moment with first nut 13 threaded connection on each first stud 12, the cooperation between accessible first stud 12 and first nut 13 is with stable subassembly fixed mounting at the top of lifting plate 1, and can tear stable subassembly down from lifting plate 1 through unscrewing first nut 13, in order to overhaul and change stable subassembly alone.

Wherein, the equal fixedly connected with of both sides outer wall of mount 3 consolidates piece 21, consolidates piece 21 and is triangle-shaped piece structure, and its top fixed connection is in the bottom of lifting by crane board 1, can consolidate mount 3 through consolidating piece 21 to improve the structural strength of mount 3, thereby can prevent effectively that mount 3 from taking place deformation after long-time atress.

Wherein, the equal fixedly connected with slider 22 of both sides inner wall of snatch frame 15, spout 23 has all been seted up to the preceding terminal surface and the rear end face of guide rail 5, and slider 22 laminating is in spout 23, and its thickness equals with the groove width of spout 23, when snatching the width of subassembly and adjusting, snatch frame 15 can drive slider 22 along spout 23 side-to-side sliding, can carry out spacingly to snatch frame 15 through the mutually supporting between slider 22 and the spout 23 to improve the stability of snatch frame 15, thereby prevent to snatch frame 15 and take place to rock and skew at the removal in-process.

The second studs 19 and the second mounting holes 17 have the same number, the diameter of the second studs is equal to the diameter of the second mounting holes 17, each second stud 19 and the center of the corresponding second mounting hole 17 are located on the same straight line, each second stud 19 can respectively pass through the corresponding second mounting hole 17, at this time, a second nut 20 is in threaded connection with each second stud 19, the electromagnetic chuck 16 can be fixedly mounted at the bottom of the grabbing frame 15 through the mutual matching between the second studs 19 and the second nuts 20, and the electromagnetic chuck 16 can be detached from the grabbing frame 15 by screwing the second nuts 20, so that the electromagnetic chuck 16 can be independently overhauled and replaced.

Wherein, snatch equal fixedly connected with fixed block 24 of both sides top outer wall of frame 15, the bottom fixedly connected with solid fixed ring 25 of fixed block 24, the equal fixedly connected with rings 26 in top both sides of electromagnet 16, rings 26 are located the solid fixed ring 25 under, can tie the haulage rope between rings 26 and the solid fixed ring 25, can pull electromagnet 16's both ends through the haulage rope by rings 26 to improve electromagnet 16's structural strength, thereby prevent electromagnet 16 and take place deformation because of the atress is uneven when snatching the heavy object.

The working principle of the utility model is as follows:

when the utility model is used, one end of the lifting rope can be divided into a plurality of strands and respectively tied on each lifting seat 2, the other end of the lifting rope is wound on a winding drum of the portal crane, the lifting rope can be used for lifting or dropping the lifting structure by each lifting seat 2, when a heavy object is required to be lifted, the lifting structure can be dropped by the lifting rope until the electromagnetic chuck 16 contacts with the heavy object, then the electromagnetic chuck 16 is powered by the power supply seat 18, strong magnetic attraction force can be generated after the electromagnetic chuck 16 is electrified, then the lifting structure can be lifted by the lifting rope, the grabbing frame 15 can be driven by driving the electric telescopic rod 14 to move left and right along the guide rail 5 together with the electromagnetic chuck 16 during grabbing, so that the distance between the two grabbing frames 15 can be changed according to the size of the heavy object, and the grabbing width can be adjusted, the guide rail 5 and the whole grabbing component can be driven to rotate by the driving motor 4 so as to adjust the grabbing angle of the lifting appliance structure according to the requirement, thereby greatly improving the applicability of the lifting appliance structure, in the lifting process, the lifting rope can respectively penetrate through the lifting hole 8 and the limiting pipe 11, the lifting rope can be limited by the combined action of the lifting hole 8 and the limiting pipe 11 so as to improve the stability of the lifting rope, thereby effectively preventing the lifting rope from shaking to cause potential safety hazards when lifting or putting down the lifting appliance structure, the fixing frame 3 can be reinforced by the reinforcing block 21 so as to improve the structural strength of the fixing frame 3, thereby effectively preventing the fixing frame 3 from deforming after being stressed for a long time, simultaneously, the two ends of the electromagnetic chuck 16 can be pulled by the traction rope tied between the lifting ring 26 and the fixing ring 25 so as to improve the structural strength of the electromagnetic chuck 16, thereby prevent that electromagnet 16 from taking place deformation because of the atress is uneven when snatching the heavy object, when this hoist structure breaks down, can pull down stable subassembly from lifting by crane board 1 through unscrewing first nut 13 to overhaul and change stable subassembly alone, then can pull down electromagnet 16 from snatching frame 15 through unscrewing second nut 20, so that overhaul and change electromagnet 16 alone.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (6)

1. The detachable lifting appliance structure for the portal crane is characterized by comprising a lifting plate, wherein the top of the lifting plate is fixedly connected with a plurality of lifting seats, the bottom of the lifting plate is fixedly connected with a fixing frame, a stabilizing component is arranged on the lifting plate, a motor is fixedly arranged in the fixing frame, the bottom end of an output shaft of the motor penetrates through the bottom of the fixing frame and is fixedly connected with a guide rail, both ends of the guide rail are fixedly connected with baffle plates, and a pair of grabbing components are arranged on the guide rail;

the stabilizing assembly comprises a stabilizing frame, a lifting hole is formed in the top of the stabilizing frame, a plurality of first mounting holes are formed in the bottoms of two sides of the stabilizing frame, a pair of supports are fixedly connected to the top of the stabilizing frame, the supports are L-shaped, limiting pipes are fixedly connected to the tail ends of the supports, the inner diameter of each limiting pipe is equal to the aperture of the lifting hole, the centers of the limiting pipes and the lifting hole are located on the same straight line, a plurality of first studs are fixedly connected to two sides of the top of the lifting plate, and first nuts matched with the first studs are connected to the first studs in a threaded mode;

the grabbing component comprises an electric telescopic rod, the electric telescopic rod is fixedly arranged at the top of a guide rail and is respectively positioned at two sides of a fixing frame, an output shaft end of the electric telescopic rod is fixedly connected with a grabbing frame, the side face of the grabbing frame is n-shaped, an electromagnetic chuck is arranged at the bottom of the grabbing frame, a plurality of second mounting holes are formed in the bottoms of two sides of the grabbing frame, a power supply seat is fixedly arranged at the top of the electromagnetic chuck, a plurality of second studs are fixedly connected to two sides of the top of the electromagnetic chuck, and second nuts matched with the second studs are connected to the second studs in a threaded mode.

2. The detachable sling structure for a gantry crane as defined in claim 1, wherein the first studs and the first mounting holes are the same in number, the diameter of the first studs is equal to the diameter of the first mounting holes, and each first stud is located on the same straight line with the center of the corresponding first mounting hole.

3. The detachable sling structure for a portal crane as defined in claim 1, wherein the outer walls of both sides of the fixed frame are fixedly connected with reinforcing blocks, the reinforcing blocks are triangular block structures, and the tops of the reinforcing blocks are fixedly connected to the bottoms of the lifting plates.

4. The detachable sling structure for a portal crane as defined in claim 1, wherein the inner walls of both sides of the gripping frame are fixedly connected with sliding blocks, the front end surface and the rear end surface of the guide rail are provided with sliding grooves, and the sliding blocks are attached to the sliding grooves, and the thickness of the sliding blocks is equal to the width of the sliding grooves.

5. The detachable sling structure for a gantry crane as defined in claim 1, wherein the second studs and the second mounting holes are the same in number, the diameter of the second studs is equal to the diameter of the second mounting holes, and each second stud is located on the same straight line with the center of the corresponding second mounting hole.

6. The detachable sling structure for a portal crane as defined in claim 1, wherein the outer walls of the top ends of the two sides of the gripping frame are fixedly connected with fixing blocks, the bottoms of the fixing blocks are fixedly connected with fixing rings, the two sides of the top of the electromagnetic chuck are fixedly connected with hanging rings, and the hanging rings are located under the fixing rings.