CN219194276U

CN219194276U - Cantilever crane

Info

Publication number: CN219194276U
Application number: CN202320282392.XU
Authority: CN
Inventors: 鄂文意
Original assignee: Liaoning Zongheng Plate Processing Co ltd
Current assignee: Liaoning Zongheng Plate Processing Co ltd
Priority date: 2023-02-22
Filing date: 2023-02-22
Publication date: 2023-06-16
Anticipated expiration: 2033-02-22

Abstract

The utility model discloses a cantilever crane, which comprises a counterweight shell, wherein supporting blocks are fixedly connected to the bottom of the counterweight shell near four corners, and a moving mechanism is arranged in an inner cavity of the counterweight shell.

Description

Cantilever crane

Technical Field

The utility model relates to the technical field of cranes, in particular to a cantilever crane.

Background

The cantilever crane is small and medium-sized hoisting equipment developed in recent years, has the characteristics of unique structure, safety and reliability, high efficiency, energy conservation, time and labor conservation, flexibility and the like, is free to operate in a three-dimensional space, has more superiority than other conventional hoisting equipment in occasions of section distance and intensive transportation, and is widely applied to different places of various industries.

Because the traditional cantilever crane is used, the object is hung by the lifting hook in the use process, but the object is bound and knotted by the rope before hanging, so that the hanging hook is hung by the lifting hook, the labor consumption before hanging is increased, the existing crane is inconvenient to move, and the use flexibility is poor.

Disclosure of Invention

In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a cantilever crane.

One of the purposes of the utility model is realized by adopting the following technical scheme:

the utility model provides a cantilever crane, includes the counter weight casing, the bottom of counter weight casing is close to the equal fixedly connected with supporting shoe in four corners department, just the inner chamber of counter weight casing is equipped with moving mechanism, the intermediate position department fixedly connected with fixing base at counter weight casing top, just the top fixedly connected with stand of fixing base, the top fixedly connected with cantilever body of stand, the bottom of cantilever body is close to the below department on right side and is equipped with the electric hoist body, the stay cord on the electric hoist body extends to the below department of electric hoist body, just the bottom of stay cord is equipped with fixture.

Further, the bottom of cantilever body is seted up flutedly, just the inner chamber fixedly connected with electronic slide rail of recess, the inner chamber swing joint of electronic slide rail has the slider, the bottom fixedly connected with movable block of slider, just the bottom and the electric hoist body fixed connection of movable block.

Further, the moving mechanism comprises a servo motor, servo motor fixed connection is in counter weight casing inner chamber bottom intermediate position department, just servo motor's output shaft fixedly connected with threaded rod, the top and the counter weight casing inner chamber top swing joint of threaded rod, just the outside of threaded rod is close to top department swing joint has the thread bush, the outside fixedly connected with diaphragm of thread bush, just be close to left and right sides department on the diaphragm and all offer the spacing hole, two the inner chamber of spacing hole all runs through and is equipped with square gag lever post, just the top of gag lever post all with counter weight casing inner chamber's top fixed connection, the front side of diaphragm is close to the equal swing joint of left and right sides department has the connecting plate, and two the equal fixedly connected with link axle of intermediate position department of connecting plate rear side, two the equal swing joint of rear end of link axle has the straight board, just the top and counter weight casing inner chamber top fixed connection of straight board.

Further, two the bottom of connecting plate is close to opposite one side department all articulates there is the movable rod, and two the equal fixedly connected with dull and stereotyped bottom of movable rod, two the square hole has all been seted up to the one side that is close to opposite on the dull and stereotyped, just the inner chamber in square hole runs through and is equipped with the square pole, two the bottom of square pole all with the inner chamber fixed connection of counter weight casing, and two the equal fixedly connected with fixed plate of both sides department around being close to in dull and stereotyped bottom, two the dull and stereotyped bottom all is equipped with the pivot, and two the front and back both ends of pivot respectively with two adjacent fixed plate swing joint, two the equal fixedly connected with gyro wheel of both ends department around being close to in the outside of pivot, just the bottom of counter weight casing is close to both sides department all has seted up the rectangle opening, a plurality of the bottom of gyro wheel passes adjacent rectangle open-ended inner chamber respectively to extend to the bottom of counter weight casing.

Further, two equal fixedly connected with movable plate in opposite one side of movable rod, just the left and right sides of counter weight casing is close to bottom department and all sets up the rectangle mouth, two the opposite one end of movable plate passes the inner chamber of adjacent rectangle mouth respectively to extend to the outside of counter weight casing, and two the top of movable plate is close to the equal fixedly connected with curb plate in opposite one side, two threaded hole has been seted up near top department on the curb plate, and two the inner chamber of threaded hole all runs through and is equipped with the bolt, the left and right sides of counter weight casing is close to bottom department and all sets up flutedly, just the inner chamber fixedly connected with nut of recess.

Further, the clamping machine comprises a shell, shell fixed connection is in the bottom of stay cord, just the top department fixedly connected with electric telescopic handle of shell inner chamber, the through-hole has been seted up to the bottom of shell, just electric telescopic handle's power end passes the inner chamber of through-hole to fixedly connected with movable block, the left and right sides of shell is close to the equal fixedly connected with mounting panel of bottom department, just the front side swing joint of mounting panel has first connecting rod, two the equal fixedly connected with grip block of the relative one end of first connecting rod.

Further, the front sides of the moving blocks are close to the left side and the right side, second connecting rods are movably connected to the positions of the two sides, and one ends, close to the opposite ends, of the rear sides of the second connecting rods are movably connected with the front sides of the adjacent first connecting rods respectively.

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

1. according to the utility model, the moving mechanism is arranged, and the servo motor, the threaded rod, the transverse plate, the limiting rod, the connecting plate, the threaded sleeve, the square rod, the side plate, the bolt, the moving plate, the flat plate, the rollers and the parts are mutually matched, so that the rollers are conveniently driven to move downwards to contact the ground and the supporting blocks are suspended, the device is conveniently driven to move, and the flexibility and the stability of use are improved;

2. according to the utility model, the clamping mechanism is arranged, and the clamping lifting of the article is facilitated by the mutual matching of the electric telescopic rod, the shell, the first connecting rod, the clamping plate, the moving block and the second connecting rod, so that the operation is convenient.

The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model, as well as the preferred embodiments thereof, together with the following detailed description of the utility model, given by way of illustration only, together with the accompanying drawings.

Drawings

FIG. 1 is a front sectional view of the present embodiment;

fig. 2 is an enlarged view at a in fig. 1 of the present embodiment;

FIG. 3 is an enlarged view of the embodiment at B in FIG. 1;

fig. 4 is an enlarged view of fig. 1C of the present embodiment.

In the figure: 1. a counterweight housing; 2. a fixing seat; 3. a column; 4. a cantilever body; 5. a movable block; 6. an electric hoist body; 7. a servo motor; 8. a support block; 9. a threaded rod; 10. a cross plate; 11. a limit rod; 12. a connecting plate; 13. a thread sleeve; 14. an electric telescopic rod; 15. a housing; 16. a first connecting rod; 17. a clamping plate; 18. a moving block; 19. a second connecting rod; 20. square rods; 21. a side plate; 22. a bolt; 23. a moving plate; 24. a flat plate; 25. and a roller.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, the present utility model provides the following technical solutions:

embodiment one:

the cantilever crane comprises a counterweight shell 1, wherein supporting blocks 8 are fixedly connected to the bottoms of the counterweight shell 1 close to four corners, a moving mechanism is arranged in an inner cavity of the counterweight shell 1, a fixing seat 2 is fixedly connected to the middle position of the top of the counterweight shell 1, a stand column 3 is fixedly connected to the top of the fixing seat 2, a cantilever body 4 is fixedly connected to the top of the stand column 3, a groove is formed in the bottom of the cantilever body 4, an electric sliding rail is fixedly connected to the inner cavity of the groove, a sliding block is movably connected to the inner cavity of the electric sliding rail, a movable block 5 is fixedly connected to the bottom of the sliding block, the bottom of the movable block 5 is fixedly connected with an electric hoist body 6, an electric hoist body 6 is arranged at the lower part of the bottom of the cantilever body 4 close to the right side, a pull rope on the electric hoist body 6 extends to the lower part of the electric hoist body 6, and a clamping mechanism is arranged at the bottom of the pull rope;

the moving mechanism comprises a servo motor 7, the servo motor 7 is fixedly connected to the middle position of the bottom of the inner cavity of the counterweight housing 1, an output shaft of the servo motor 7 is fixedly connected with a threaded rod 9, the top end of the threaded rod 9 is movably connected with the top of the inner cavity of the counterweight housing 1, the outer side of the threaded rod 9 is movably connected with a threaded sleeve 13 near the top end, the outer side of the threaded sleeve 13 is fixedly connected with a transverse plate 10, the transverse plate 10 is provided with limiting holes near the left side and the right side, the inner cavities of the two limiting holes are respectively provided with a square limiting rod 11 in a penetrating manner, the top ends of the limiting rods 11 are respectively fixedly connected with the top of the inner cavity of the counterweight housing 1, the front side of the transverse plate 10 is respectively movably connected with a connecting plate 12 near the left side and the right side, the bottoms of the two connecting plates 12 are respectively hinged with a moving rod near the opposite sides, the two moving plates are respectively fixedly connected with a moving plate 23, rectangular openings are formed at the positions, close to the bottoms, of the left side and the right side of the counterweight housing 1, opposite ends of the two movable plates 23 respectively penetrate through inner cavities of adjacent rectangular openings and extend to the outer side of the counterweight housing 1, side plates 21 are fixedly connected to the opposite sides, threaded holes are formed at the positions, close to the tops, of the two side plates 21, bolts 22 are arranged in the inner cavities of the two threaded holes in a penetrating manner, grooves are formed at the positions, close to the bottoms, of the left side and the right side of the counterweight housing 1, nuts are fixedly connected to the inner cavities of the grooves, flat plates 24 are fixedly connected to the bottoms of the two movable rods, square holes are formed in the two flat plates 24, square rods 20 are arranged in the inner cavities of the square holes in a penetrating manner, the bottom ends of the two square rods 20 are fixedly connected with the inner cavities of the counterweight housing 1, fixing plates are fixedly connected to the positions, close to the front side and the rear side of the bottoms of the two flat plates 24, the bottoms of the two flat plates 24 are respectively provided with a rotating shaft, the front end and the rear end of each rotating shaft are respectively and movably connected with two adjacent fixed plates, the outer sides of the two rotating shafts are fixedly connected with idler wheels 25 at the positions close to the front end and the rear end, rectangular openings are respectively formed at the positions close to the left side and the right side of the bottom of the counterweight shell 1, the bottoms of the idler wheels 25 respectively penetrate through the inner cavities of the adjacent rectangular openings and extend to the bottom of the counterweight shell 1, connecting shafts are fixedly connected at the middle positions of the rear sides of the two connecting plates 12, straight plates are movably connected at the rear ends of the two connecting shafts, and the tops of the straight plates are fixedly connected with the tops of the inner cavities of the counterweight shell 1;

when the device is used for hanging articles, the servo motor 7 can be started through an external power supply, an output shaft of the servo motor 7 can drive the threaded rod 9 to rotate when the servo motor 7 works, the threaded rod 9 rotates to drive the cross plate 10 to move upwards, the cross plate 10 moves upwards to drive the adjacent moving rods to move downwards through the two connecting plates 12, the two moving rods move downwards to drive the two flat plates 24 to move downwards, the two flat plates 24 move downwards to drive the adjacent two rollers 25 to move downwards and contact with the ground, the servo motor 7 can be stopped to operate at the moment, then the two bolts 22 are rotated again, so that the bolts 22 are driven to be screwed into the inner cavities of the nuts and extend to the inner cavities of the grooves, the device can be driven to move at the moment, and after the device is moved to a proper position, the two bolts 22 are reversely rotated to be far away from the inner cavities of the adjacent nuts, the servo motor 7 is started through the external power supply to drive the 9 to reversely rotate, and the plurality of rollers 25 can be driven to move upwards to restore the original position, and the use flexibility and the stability of the device are improved.

Embodiment two:

the clamping machine comprises a shell 15, wherein the shell 15 is fixedly connected to the bottom end of a pull rope, an electric telescopic rod 14 is fixedly connected to the top of an inner cavity of the shell 15, a through hole is formed in the bottom of the shell 15, a power end of the electric telescopic rod 14 penetrates through the inner cavity of the through hole and is fixedly connected with a moving block 18, second connecting rods 19 are movably connected to the positions, close to the left side and the right side, of the front side of the moving block 18, opposite ends, of the rear sides of the two second connecting rods 19 are respectively movably connected with the front sides of adjacent first connecting rods 16, mounting plates are fixedly connected to the positions, close to the bottom, of the left side and the right side of the shell 15, first connecting rods 16 are movably connected to the front sides of the mounting plates, and clamping plates 17 are fixedly connected to the opposite ends of the two first connecting rods 16;

after the clamping plates 17 move downwards to a proper position, the electric telescopic rods 14 can be started through an external power supply, the power ends of the electric telescopic rods 14 can drive the moving blocks 18 to move upwards when the electric telescopic rods 14 work, and the moving blocks 18 move upwards to drive the adjacent first connecting rods 16 to move relatively through the two second connecting rods 19, so that the two clamping plates 17 are driven to move relatively to clamp and hang articles.

Working principle: firstly, when using the device to hang the article, can start servo motor 7 through external power earlier, its output shaft can drive threaded rod 9 and rotate when servo motor 7 works, threaded rod 9 rotates and can screw thread cover 13 drive diaphragm 10 and upwards move, diaphragm 10 upwards moves and can drive adjacent movable rod through two connecting plates 12 and move down, two movable rods move down and can drive two dull and stereotyped 24 and move down, two dull and stereotyped 24 move down and can drive adjacent two gyro wheels 25 and move down and contact with ground, at this moment can make servo motor 7 stop the operation, then rotate two bolt 22 again, thereby drive bolt 22 and screw into the inner chamber of nut, and extend to the inner chamber of recess, at this moment can promote the device and remove, after moving to suitable position, reverse rotation two bolt 22 makes its inner chamber of keeping away from adjacent nut, rethread external power starts servo motor 7 and drives threaded rod 9 reverse rotation and can drive a plurality of gyro wheel 25 and upwards move and resume the normal position, thereby improve the flexibility and the stability that the device used, rethread external power starts electric hoist body 6, when electric hoist body 6 can drive two movable rod 17 and two relative clamping pieces, can drive two flexible blocks and 18 when the relative movement of electric hoist body 6, can drive two flexible blocks and two flexible blocks can drive the two flexible shafts to move 18 when the relative movement 18, and can drive two flexible shafts to the flexible connection rod 18.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims

1. The utility model provides a cantilever crane, includes counter weight casing, its characterized in that: the bottom of counter weight casing is close to the equal fixedly connected with supporting shoe in four corners department, just the inner chamber of counter weight casing is equipped with moving mechanism, the intermediate position department fixedly connected with fixing base at counter weight casing top, just the top fixedly connected with stand of fixing base, the top fixedly connected with cantilever body of stand, the bottom of cantilever body is close to the below department on right side and is equipped with the electric hoist body, stay cord on the electric hoist body extends to the below department of electric hoist body, just the bottom of stay cord is equipped with fixture.

2. A jib crane according to claim 1, characterized in that: the bottom of cantilever body is seted up flutedly, just the inner chamber fixedly connected with electronic slide rail of recess, the inner chamber swing joint of electronic slide rail has the slider, the bottom fixedly connected with movable block of slider, just the bottom and the electric hoist body fixed connection of movable block.

3. A jib crane according to claim 1, characterized in that: the moving mechanism comprises a servo motor, the servo motor is fixedly connected to the middle position of the bottom of the inner cavity of the counterweight shell, an output shaft of the servo motor is fixedly connected with a threaded rod, the top of the threaded rod is movably connected with the top of the inner cavity of the counterweight shell, the outer side of the threaded rod is close to a threaded sleeve which is movably connected with a transverse plate, limiting holes are formed in the transverse plate, two limiting holes are formed in the transverse plate and are formed in the positions close to the left side and the right side, the inner cavity of each limiting hole is provided with a square limiting rod in a penetrating mode, the top of each limiting rod is fixedly connected with the top of the inner cavity of the counterweight shell, the front side of the transverse plate is close to the left side and the right side, each connecting plate is movably connected with a connecting shaft, the rear end of each connecting shaft is movably connected with a straight plate, and the top of each straight plate is fixedly connected with the top of the inner cavity of the counterweight shell.

4. A jib crane according to claim 3, characterized in that: the bottom of two the connecting plate is close to opposite one side department all articulates there is the movable rod, and two the equal fixedly connected with dull and stereotyped of bottom of movable rod, two the square hole has all been seted up to the one side that is close to opposite on the dull and stereotyped, just the inner chamber in square hole runs through and is equipped with the square pole, two the bottom of square pole all with the inner chamber fixed connection of counter weight casing, and two the equal fixedly connected with fixed plate of both sides department around being close to in dull and stereotyped bottom all is equipped with the pivot, and two the both ends are respectively with two adjacent fixed plate swing joint around the pivot, two the outside of pivot is close to the equal fixedly connected with gyro wheel of both ends department around, just the bottom of counter weight casing is close to both sides department and has all been seted up rectangular opening, a plurality of the bottom of gyro wheel passes adjacent rectangular opening's inner chamber respectively to extend to the bottom of counter weight casing.

5. A jib crane according to claim 4, characterized in that: two equal fixedly connected with movable plate in opposite one side of movable rod, just the left and right sides of counter weight casing is close to bottom department and all sets up the rectangle mouth, two the inner chamber of adjacent rectangle mouth is passed respectively to the opposite one end of movable plate to extend to the outside of counter weight casing, and two the equal fixedly connected with curb plate in opposite one side is close to at the top of movable plate, two threaded hole has been seted up near top department on the curb plate, and two the inner chamber of threaded hole all runs through and is equipped with the bolt, the left and right sides of counter weight casing is close to bottom department and all sets up flutedly, just the inner chamber fixedly connected with nut of recess.

6. A jib crane according to claim 1, characterized in that: the clamping machine comprises a shell, the bottom at the stay cord of shell fixed connection, just the top department fixedly connected with electric telescopic handle of shell inner chamber, the through-hole has been seted up to the bottom of shell, just electric telescopic handle's power end passes the inner chamber of through-hole to fixedly connected with movable block, the left and right sides of shell is close to the equal fixedly connected with mounting panel of bottom department, just the front side swing joint of mounting panel has the head rod, two the equal fixedly connected with grip block of the relative one end of head rod.

7. A jib crane according to claim 6, characterized in that: the front sides of the moving blocks are close to the left side and the right side, second connecting rods are movably connected to the front sides of the moving blocks, and the rear sides of the two second connecting rods are close to opposite ends of the second connecting rods and are respectively movably connected with the front sides of the adjacent first connecting rods.