CN219449067U

CN219449067U - Single-head special lifting appliance capable of being quickly replaced

Info

Publication number: CN219449067U
Application number: CN202320400871.7U
Authority: CN
Inventors: 吕鑫; 杜博龙
Original assignee: Shenyang Guanghui Machinery Co ltd
Current assignee: Shenyang Guanghui Machinery Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-08-01
Anticipated expiration: 2033-03-07

Abstract

The utility model relates to a quick-replaceable single-head special lifting appliance which comprises a crane boom and a lifting hook, wherein the lifting hook is arranged below the crane boom, a fixed ring is sleeved on the outer side of the lifting hook, a lifting appliance frame is fixed on the lower surface of the fixed ring, a limiting mechanism is arranged on the lower surface of the lifting appliance frame, and a locking mechanism is arranged on the lower surface of the lifting appliance frame. This single-end special lifting device that can quick change has set up stop gear in this single-end special lifting device, mutually supporting between each structure in stop gear through setting up driving motor, has realized the rotation of transfer pole, initiative helical tooth, driven helical tooth and first threaded rod, and then has realized the relative movement to screw thread section of thick bamboo, fly leaf and limiting plate, when needing hoist and mount work piece, the staff only need insert the control box in the centre bore on the work piece body, then starts driving motor and can realize the quick clamping to the work piece, labour saving and time saving has simultaneously improved the transport efficiency to the work piece.

Description

Single-head special lifting appliance capable of being quickly replaced

Technical Field

The utility model relates to the technical field of lifting appliances, in particular to a single-head special lifting appliance capable of being quickly replaced.

Background

The English name of the lifting tool refers to a device for lifting heavy objects in lifting machinery, the most commonly used lifting tools for lifting finished objects are lifting hooks and slings, other lifting tools also include lifting rings, lifting sucking discs, clamps, forks and the like, the most commonly used lifting tools are special rigging such as lifting hooks, steel ropes, chains and the like in lifting hoisting industry, the lifting sucking discs, clamps, forks and the like can be used on the crane for a long time as special lifting tools, the lifting tools can also be used as replaceable auxiliary lifting tools to be hung on the lifting hooks for temporary use, the lifting tools are commonly used for multi-cargo warehouse and storage yards, so as to improve the working efficiency, the lifting tools for grabbing bulk materials are commonly used as grab buckets with openable and closable jaws, electromagnetic sucking tools such as metal chips and the like, the lifting tools for lifting flowable materials are commonly used for lifting buckets and lifting cans, molten steel or chemical solution is discharged in a manner such as by tilting or pulling bottom plugs, and the like, and in order to meet the maintenance of daily large-scale machinery, some special lifting tools such as fans, lifting tools, tower lifting tools, blade lifting tools, hub lifting tools, turbine lifting tools, and other non-lifting tools are designed for the lifting tools in China.

In order to realize hoisting various different workpieces, a single-head special hoisting tool in the prior art is mostly provided with a quick-change connector to realize hoisting of various workpieces, but in the using process of the hoisting tool, the workpieces are more in types which need to be hoisted, the hoisting process is required to be matched manually, the hoisting process is more laborious, the problem of low automation degree exists, the hoisting efficiency of the special hoisting tool is further reduced, and the carrying efficiency of the workpieces is affected.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the single-head special lifting appliance capable of being quickly replaced, which has the advantage of high lifting efficiency and solves the problem of reducing the workpiece conveying efficiency.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a single-end special lifting appliance that can trade soon, includes crane boom and lifting hook, the lifting hook sets up in crane boom's below, the outside cover of lifting hook is equipped with the solid fixed ring, the lower surface fixed of solid fixed ring has the hoist frame, the lower surface of hoist frame is equipped with stop gear, the lower surface of hoist frame is equipped with locking mechanism;

the limiting mechanism comprises a driving assembly and a blocking assembly, the driving assembly comprises a control box fixed on the lower surface of the lifting appliance frame, a driving motor is fixed on the inner top wall of the control box, a transmission rod driven to do circular motion by the driving motor is fixed on the outer side of an output shaft of the driving motor, driving helical teeth are fixed on the outer side of the transmission rod, and two driven helical teeth are meshed on the outer side of the driving helical teeth.

Further, a workpiece body is arranged below the lifting tool frame, and a central hole is formed in the upper surface of the workpiece body.

Further, the blocking assembly comprises a first threaded rod fixed inside the driven helical teeth, a threaded cylinder is connected to the outer side of the first threaded rod in a threaded mode, a movable plate is fixed to the lower surface of the threaded cylinder, and limiting plates are fixed to two opposite sides of the movable plate.

Further, the thread directions of the first threaded rod at the left side and the right side are opposite, and the thread cylinder performs left-right linear motion at the outer side of the first threaded rod.

Further, the inner top wall of the control box is fixed with a limiting frame, the upper surface of the threaded cylinder is fixed with a sliding sleeve, and the sliding sleeve is slidably connected to the outer side of the limiting frame.

Further, locking mechanism includes two locking spanners at hoist frame lower surface through the articulated frame hinge, hoist frame's left and right sides all is fixed with the support frame, two the support frame all is provided with the hand wheel in opposite sides, two the opposite side of hand wheel all is fixed with the second threaded rod, the outside threaded connection of second threaded rod has the thread bush, the lower surface of thread bush has the connecting rod through the articulated frame hinge.

Further, the one end that the thread bush was kept away from to the connecting rod is articulated with the locking spanner through the articulated frame, the left and right sides of hoist frame all is fixed with the gag lever post, the upper surface of thread bush is fixed with fixed cover, fixed cover sliding connection is in the outside of gag lever post.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this single-end special lifting device that can quick change has set up stop gear in this single-end special lifting device, mutually supporting between each structure in stop gear through setting up driving motor, has realized the rotation of transfer pole, initiative helical tooth, driven helical tooth and first threaded rod, and then has realized the relative movement to screw thread section of thick bamboo, fly leaf and limiting plate, when needing hoist and mount work piece, the staff only need insert the control box in the centre bore on the work piece body, then starts driving motor and can realize the quick clamping to the work piece, labour saving and time saving has simultaneously improved the transport efficiency to the work piece.

2. This single-end special lifting device that can quick change has set up locking mechanism in this single-end special lifting device, through mutually supporting between each structure in the locking mechanism, through setting up the hand wheel, has realized the rotation to the second threaded rod, and then has realized the removal about to the thread bush, and the cooperation connecting rod again makes locking spanner fix the work piece body, has improved the stability of work piece body when hoist and mount greatly, has improved the hoist and mount effect of this special lifting device.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a spacing mechanism according to the present utility model;

FIG. 3 is a schematic view of the locking mechanism of the present utility model.

In the figure: 1 crane boom, 2 lifting hook, 3 solid fixed ring, 4 hoist frame, 5 stop gear, 501 control box, 502 driving motor, 503 transfer line, 504 initiative helical gear, 505 driven helical gear, 506 first threaded rod, 507 screw thread section of thick bamboo, 508 fly leaf, 509 limiting plate, 6 locking mechanism, 601 locking spanner, 602 support frame, 603 hand wheel, 604 second threaded rod, 605 screw thread cover, 606 connecting rod.

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.

Referring to fig. 1, a single-head special lifting appliance capable of being replaced quickly in this embodiment comprises a crane boom 1 and a lifting hook 2, wherein the lifting hook 2 is arranged below the crane boom 1, a fixed ring 3 is sleeved outside the lifting hook 2, a lifting appliance frame 4 is fixed on the lower surface of the fixed ring 3, a limiting mechanism 5 is arranged on the lower surface of the lifting appliance frame 4, and a locking mechanism 6 is arranged on the lower surface of the lifting appliance frame 4.

A workpiece body is arranged below the lifting tool frame 4, and a central hole is formed in the upper surface of the workpiece body.

It should be noted that the components of the present utility model are all common standard components or components known to those skilled in the art, and the structures and principles thereof are all known to those skilled in the art through technical manuals or through routine experimental methods.

When the workpiece is required to be hoisted, firstly, a worker installs a balancing weight with a certain weight on the crane according to the size of the workpiece to be hoisted, so as to ensure the balance performance of the crane during hoisting.

Referring to fig. 2, in order to implement rapid clamping of a workpiece body, the limiting mechanism 5 in this embodiment includes a driving assembly and a blocking assembly, the driving assembly includes a control box 501 fixed on the lower surface of the hanger frame 4, a driving motor 502 is fixed on the inner top wall of the control box 501, a transmission rod 503 driven by the driving motor 502 to perform circular motion is fixed on the outer side of an output shaft of the driving motor 502, a driving helical tooth 504 is fixed on the outer side of the transmission rod 503, and two driven helical teeth 505 are meshed on the outer side of the driving helical tooth 504.

It can be appreciated that after the driving motor 502 is started, the output shaft of the driving motor 502 starts to rotate, so as to drive the driving helical gear 504 to start rotating, and the rotation of the driving helical gear 504 drives the two driven helical gears 505 to start rotating.

The blocking component comprises a first threaded rod 506 fixed inside a driven helical tooth 505, the outer side of the first threaded rod 506 is in threaded connection with a threaded cylinder 507, the lower surface of the threaded cylinder 507 is fixedly provided with a movable plate 508, one sides of the two movable plates 508, which are opposite, are respectively fixedly provided with a limiting plate 509, the upper surface of the limiting plate 509 is fixedly provided with a rubber pad, the rubber pad is soft in texture, and the workpiece body is protected.

The first threaded rod 506 on the left and right sides has opposite screw directions, and the screw cylinder 507 performs a left-right linear motion on the outer side of the first threaded rod 506.

The inner roof of control box 501 is fixed with the spacing, and the quantity of spacing is two, and two spacing symmetric distributions are in the left and right sides of the vertical axis of control box 501, and the upper surface of screw thread section of thick bamboo 507 is fixed with the sliding sleeve, and sliding sleeve sliding connection is in the outside of spacing, and when screw thread section of thick bamboo 507 removed, it removes simultaneously to drive the sliding sleeve, and the sliding sleeve slides in the outside of spacing this moment.

Referring to fig. 3, in order to improve stability of the workpiece body during lifting, the locking mechanism 6 in this embodiment includes two locking wrenches 601 hinged to the lower surface of the lifting tool frame 4 through a hinge frame, two supporting frames 602 are fixed on the left and right sides of the lifting tool frame 4, hand wheels 603 are arranged on opposite sides of the two supporting frames 602, second threaded rods 604 are fixed on opposite sides of the two hand wheels 603, a threaded sleeve 605 is connected to the outer side of the second threaded rods 604 in a threaded manner, and a connecting rod 606 is hinged to the lower surface of the threaded sleeve 605 through the hinge frame.

One end of the connecting rod 606 far away from the thread bush 605 is hinged with the locking spanner 601 through a hinged frame, the limiting rods are fixed on the left side and the right side of the lifting tool frame 4, the fixing bush is fixed on the upper surface of the thread bush 605 and is connected to the outer side of the limiting rods in a sliding mode, and when the thread bush 605 moves, the fixing bush is driven to move simultaneously, and at the moment, the fixing bush slides on the outer side of the limiting rods.

It will be appreciated that when it is desired to hoist a workpiece, the control box 501 is inserted into the central hole in the workpiece body, the limiting plate 509 is made to hold the lower surface of the workpiece body, and then the two locking wrenches 601 are made to fix the workpiece body.

The working principle of the embodiment is as follows:

(1) When the workpiece is required to be hoisted, firstly, a worker installs a balancing weight with a certain weight on a crane according to the size of the workpiece to be hoisted, so as to ensure the balance performance of the crane during hoisting, then, the lifting hook 2, the fixed ring 3 and the lifting frame 4 are downwards moved through the crane boom 1 of the crane, the control box 501 is driven to downwards move along with the downwards movement of the lifting frame 4, at the moment, the control box 501 moves into a central hole formed in the workpiece body, after the control box 501 moves to a position capable of clamping the workpiece body, the driving motor 502 is started at the moment, the output shaft of the driving motor 502 starts to rotate, the driving helical gear 504 starts to rotate, and the rotation of the driving helical gear 504 drives the two driven helical gears 505 to start to rotate.

(2) The first threaded rod 506 of the driven helical gear 505 starts to rotate, at this moment, the threaded cylinder 507 at the outer side of the first threaded rod 506 moves towards the direction far away from the longitudinal central axis of the control box 501, the movable plate 508 and the limiting plate 509 are driven to move towards the direction far away from the longitudinal central axis of the control box 501, at this moment, the limiting plate 509 supports the lower surface of the workpiece body, then the hand wheel 603 is rotated, the rotation of the hand wheel 603 drives the second threaded rod 604 to start rotating, at this moment, the threaded sleeve 605 at the outer side of the second threaded rod 604 moves towards the direction far away from the longitudinal central axis of the lifting tool frame 4, under the action of the hinged frame, the movement of the threaded sleeve 605 drives the connecting rod 606 to start rotating, at this moment, the left locking spanner 601 rotates anticlockwise, the side locking spanner 601 rotates clockwise, and the workpiece body is clamped.

It is noted that relational terms such as first and second, and the like are 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown 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 principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a single-end special lifting device that can quick change, includes crane boom (1) and lifting hook (2), its characterized in that: the lifting hook (2) is arranged below the crane boom (1), a fixed ring (3) is sleeved on the outer side of the lifting hook (2), a lifting tool frame (4) is fixed on the lower surface of the fixed ring (3), a limiting mechanism (5) is arranged on the lower surface of the lifting tool frame (4), and a locking mechanism (6) is arranged on the lower surface of the lifting tool frame (4);

stop gear (5) are including drive assembly and blocking the subassembly, drive assembly is including fixing at control box (501) of hoist frame (4) lower surface, fixed driving motor (502) of interior roof of control box (501), the outside of driving motor (502) output shaft is fixed with by its drive transfer line (503) of being circular motion, the outside of transfer line (503) is fixed with initiative helical tooth (504), the outside meshing of initiative helical tooth (504) has two driven helical teeth (505).

2. The quick-replaceable single-head special lifting appliance according to claim 1, wherein: the lower part of the lifting tool frame (4) is provided with a workpiece body, and the upper surface of the workpiece body is provided with a central hole.

3. The quick-replaceable single-head special lifting appliance according to claim 1, wherein: the blocking assembly comprises a first threaded rod (506) fixed inside a driven helical tooth (505), a threaded cylinder (507) is connected to the outer side of the first threaded rod (506) in a threaded mode, a movable plate (508) is fixed to the lower surface of the threaded cylinder (507), and limiting plates (509) are fixed to two opposite sides of the movable plate (508).

4. A quick-replaceable single-head special lifting appliance according to claim 3, wherein: the thread directions of the first threaded rod (506) at the left side and the right side are opposite, and the thread cylinder (507) performs left-right linear motion on the outer side of the first threaded rod (506).

5. A quick-replaceable single-head special lifting appliance according to claim 3, wherein: the control box is characterized in that a limiting frame is fixed on the inner top wall of the control box (501), a sliding sleeve is fixed on the upper surface of the threaded cylinder (507), and the sliding sleeve is slidably connected to the outer side of the limiting frame.

6. The quick-replaceable single-head special lifting appliance according to claim 1, wherein: the locking mechanism (6) comprises two locking spanners (601) hinged to the lower surface of the lifting tool frame (4) through a hinge frame, supporting frames (602) are fixed to the left side and the right side of the lifting tool frame (4), a hand wheel (603) is arranged on the opposite side of each supporting frame (602), a second threaded rod (604) is fixed to the opposite side of each hand wheel (603), a threaded sleeve (605) is connected to the outer side of each second threaded rod (604) in a threaded mode, and a connecting rod (606) is hinged to the lower surface of each threaded sleeve (605) through the hinge frame.

7. The quick-replaceable single-head special lifting appliance according to claim 6, wherein: one end of the connecting rod (606) far away from the thread bush (605) is hinged with the locking wrench (601) through a hinged frame, limit rods are fixed on the left side and the right side of the lifting tool frame (4), a fixing bush is fixed on the upper surface of the thread bush (605), and the fixing bush is slidably connected to the outer side of the limit rods.