CN217627257U

CN217627257U - Large-span gantry crane

Info

Publication number: CN217627257U
Application number: CN202221306800.2U
Authority: CN
Inventors: 高国志
Original assignee: Henan Heavy Industry Crane Co ltd
Current assignee: Henan Heavy Industry Crane Co ltd
Priority date: 2022-05-28
Filing date: 2022-05-28
Publication date: 2022-10-21
Anticipated expiration: 2032-05-28

Abstract

The utility model discloses a large-span gantry crane relates to gantry crane technical field, including the return pulley, still include stable structure and elevation structure, the bottom plate is all installed on the top of return pulley, and all installs the backup pad in both ends around the bottom plate top, the roof is installed on the top of backup pad, and the bottom of roof installs the slide rail, there is the electric hoist bottom of roof through slide rail sliding connection, and elevation structure is located the top intermediate position department of bottom plate, wire rope is installed to the bottom of electric hoist, and wire rope's bottom installs the couple, stable structure is located the both sides of electric hoist bottom, stable structure includes the mounting panel. The utility model discloses a under the combined action of two fixed ropes, it is stable to get in touch, prevents that the couple from taking place to rock at the in-process of hoisting the heavy object and leading to the unhook, and this structure has realized the promotion to couple stability, prevents that the couple from rocking and leading to the heavy object to drop and cause danger.

Description

Large-span gantry crane

Technical Field

The utility model relates to a gantry crane technical field specifically is a large-span gantry crane.

Background

The portal crane is a kind of deformation of bridge crane, also called portal crane, mainly used for loading and unloading operation of outdoor goods yard, stock yard goods and bulk goods, and widely used in port goods yard.

The traditional large-span portal crane has the characteristics of high site utilization rate, large operation range, wide application range, strong universality and the like, and still has the defects.

Traditional large-span gantry crane is carrying out the in-process that uses, and its couple part is carrying out the in-process that the heavy object hoisted, and easy the emergence is rocked, leads to the unhook to cause danger.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a large-span gantry crane to the couple that provides in solving above-mentioned background art easily takes place the problem of rocking.

In order to achieve the above object, the utility model provides a following technical scheme: a large-span portal crane comprises a bottom wheel, a stabilizing structure and a lifting structure;

the lifting mechanism comprises a bottom wheel, a bottom plate, a top plate, a sliding rail, a lifting structure and a lifting mechanism, wherein the bottom plate is arranged at the top end of the bottom wheel, supporting plates are arranged at the front end and the rear end of the top end of the bottom plate, the top plate is arranged at the top end of the supporting plate, the sliding rail is arranged at the bottom end of the top plate, the bottom end of the top plate is connected with an electric hoist in a sliding mode through the sliding rail, and the lifting structure is located in the middle of the top end of the bottom plate;

the bottom end of the electric hoist is provided with a steel wire rope, the bottom end of the steel wire rope is provided with a hook, and the stabilizing structures are positioned on two sides of the bottom end of the electric hoist;

the utility model discloses a winding roller, including mounting panel, winding roller, first miniature servo motor, the bull stick is all installed to the rear end of mounting panel, and the output of first miniature servo motor is all installed to the mounting panel, and the mounting groove is all installed to the bottom of winding roller, the winding roller is all installed to the outer wall of the inside bull stick of mounting groove, and the outer wall of winding roller all twines fixed rope.

Preferably, the front ends of the rotating rods penetrate through the mounting groove, and one end of each rotating rod extends to the front end inside the mounting groove.

Preferably, the bottom of fixed rope all passes the mounting groove, and the bottom of fixed rope all extends to the below of mounting groove.

Preferably, the bull stick all connects in the inside front end of mounting groove through the pivot, and the bottom of fixed rope all connects in the both sides on couple top.

Preferably, elevation structure includes fixed slot, driving cabin, thread piece, threaded rod, fixed diaphragm and the miniature servo motor of second, both ends around the bottom plate top between the backup pad are all installed to the fixed slot, and inside all transverse mounting of fixed slot has fixed diaphragm, the miniature servo motor of second is all installed to the bottom of fixed diaphragm, and the output of the miniature servo motor of second all installs the threaded rod, the outer wall of fixed diaphragm top threaded rod all has the thread piece through threaded connection, and all is connected with driving cabin between the one end that the thread piece is close to each other.

Preferably, the top of threaded rod all passes fixed diaphragm, and the bottom of threaded rod all extends to the inside top of fixed slot.

Preferably, one end of each thread block passes through the fixing grooves, and one end of each thread block extends between the fixing grooves.

Preferably, the top of threaded rod all connects in the inside top of fixed slot through the pivot, and drives the cabin and all be located between the fixed slot.

Compared with the prior art, the beneficial effects of the utility model are that: start first miniature servo motor, it is rotatory to drive the bull stick through first miniature servo motor, it is rotatory to drive the winding roller through the bull stick, direction of rotation through adjusting the bull stick, make the outer wall of fixed rope winding at the winding roller, at the in-process of binding up at wire rope, fixed rope is also bound up thereupon, and be in the state of tightening under the rotation of winding roller always, under the combined action through two fixed ropes, it is stable to get in touch, prevent that the couple from taking place to rock at the in-process of hoisting the heavy object and leading to unhook, this structure has realized the promotion to couple stability, prevent that the couple from rocking and leading to the heavy object to drop and cause danger.

Drawings

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

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is a schematic diagram of a side view, a sectional view and an enlarged structure of the mounting groove of the present invention;

fig. 4 is an enlarged schematic structural diagram of a in fig. 2 according to the present invention.

In the figure: 1. a bottom wheel; 2. winding the roller; 3. fixing a rope; 4. hooking; 5. mounting grooves; 6. mounting a plate; 7. a base plate; 8. a slide rail; 9. a lifting structure; 901. fixing grooves; 902. a driver cabin; 903. a thread block; 904. a threaded rod; 905. fixing the transverse plate; 906. a second micro servo motor; 10. a top plate; 11. a wire rope; 12. an electric hoist; 13. a support plate; 14. a first micro servo motor; 15. and (4) rotating the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-4, a large-span gantry crane includes a bottom wheel 1, a stabilizing structure and a lifting structure 9;

the top ends of the bottom wheels 1 are respectively provided with a bottom plate 7, the front end and the rear end of the top end of each bottom plate 7 are respectively provided with a supporting plate 13, the top end of each supporting plate 13 is provided with a top plate 10, the bottom end of each top plate 10 is provided with a sliding rail 8, the bottom end of each top plate 10 is connected with an electric hoist 12 in a sliding mode through the corresponding sliding rail 8, and the lifting structure 9 is located in the middle of the top end of each bottom plate 7;

the bottom end of the electric hoist 12 is provided with a steel wire rope 11, the bottom end of the steel wire rope 11 is provided with a hook 4, and the stable structure is positioned on two sides of the bottom end of the electric hoist 12;

referring to fig. 1-4, the large-span gantry crane further comprises a stabilizing structure, the stabilizing structure comprises mounting plates 6, the mounting plates 6 are all mounted at two sides of the bottom end of an electric hoist 12, a mounting groove 5 is mounted at the bottom end of a winding roller 2, a first micro servo motor 14 is mounted at the rear end of the mounting groove 5, the type of the first micro servo motor 14 can be 42M704L530, a rotating rod 15 is mounted at the output end of the first micro servo motor 14, the winding roller 2 is mounted on the outer wall of the rotating rod 15 in the mounting groove 5, and a fixing rope 3 is wound on the outer wall of the winding roller 2;

the front ends of the rotating rods 15 penetrate through the mounting groove 5, and one ends of the rotating rods 15 extend to the front end inside the mounting groove 5;

the bottom ends of the fixing ropes 3 penetrate through the mounting groove 5, and the bottom ends of the fixing ropes 3 extend to the lower part of the mounting groove 5;

the rotating rods 15 are connected to the front end inside the mounting groove 5 through rotating shafts, and the bottom ends of the fixing ropes 3 are connected to two sides of the top end of the hook 4;

specifically, as shown in fig. 1, 2 and 3, when the mechanism is used, the fixed rope 3 is wound on the outer wall of the winding drum 2 by adjusting the rotation direction of the rotating rod 15, and the fixed rope 3 is wound along with the winding drum during the winding process of the steel wire rope 11 and is always in a tightened state under the rotation of the winding drum 2.

Example 2: the lifting structure 9 comprises fixing grooves 901, driving cabins 902, thread blocks 903, threaded rods 904, fixing transverse plates 905 and second miniature servo motors 906, the fixing grooves 901 are all installed at the front end and the rear end of the top end of the bottom plate 7 between the supporting plates 13, the fixing transverse plates 905 are transversely installed inside the fixing grooves 901, the second miniature servo motors 906 are installed at the bottom ends of the fixing transverse plates 905, the type of the second miniature servo motors 906 can be 42M704L530, the threaded rods 904 are installed at the output ends of the second miniature servo motors 906, the outer walls of the threaded rods 904 above the fixing transverse plates 905 are connected with the thread blocks 903 through threads, and the driving cabins 902 are connected between the ends, close to each other, of the thread blocks 903;

the top ends of the threaded rods 904 penetrate through the fixed transverse plate 905, and the bottom ends of the threaded rods 904 extend to the top end inside the fixed groove 901;

one end of each threaded block 903 penetrates through the fixing grooves 901, and one end of each threaded block 903 extends to the position between the fixing grooves 901;

the top ends of the threaded rods 904 are connected to the top ends inside the fixing grooves 901 through rotating shafts, and the driving cabins 902 are located between the fixing grooves 901;

specifically, as shown in fig. 1, 2 and 4, when the mechanism is used, the threaded rod 904 is driven by the second micro-servo motor 906 to rotate in the reverse direction, the threaded block 903 is driven by the threaded rod 904 to move upwards, the cab 902 is driven by the threaded block 903, and the cab 902 is moved upwards to a height flush with the electric hoist 12.

The working principle is as follows: the worker starts the second micro servo motor 906, the second micro servo motor 906 drives the threaded rod 904 to rotate, the threaded block 903 and the threaded rod 904 are connected through threads, in the process that the threaded rod 904 rotates, the threaded block 903 can move along with the threads on the outer wall of the threaded rod 904, the threaded block 903 can move downwards on the outer wall of the threaded rod 904 by adjusting the rotating direction of the threaded rod 904, the cab 902 is driven through the threaded block 903, the cab 902 moves downwards, the worker can enter the cab through the door of the cab 902 at the moment, then the second micro servo motor 906 is started again, the threaded rod 904 is driven to rotate reversely through the second micro servo motor 906, the threaded block 903 is driven to move upwards through the threaded rod 904, the cab 902 is driven through the threaded block 903, the cab 902 moves upwards, the cab moves to the height which is flush with the electric hoist 12, and the worker can observe the lifting state conveniently;

the staff removes the hoist to the position that needs carry out the heavy object jack-up through return pulley 1, adjust the position of electric hoist 12 through slide rail 8, move it directly over the heavy object, start electric hoist 12 afterwards, transfer wire rope 11, be connected couple 4 with the heavy object that needs lift, subsequently, through electric hoist 12 with wire rope 11 receipts, at this in-process, the staff starts first miniature servo motor 14, it is rotatory to drive bull stick 15 through first miniature servo motor 14, it is rotatory to drive winding roller 2 through bull stick 15, through the direction of rotation of adjusting bull stick 15, make fixed rope 3 twine the outer wall at winding roller 2, in-process at wire rope 11 receipts bundle, fixed rope 3 also receives the bundle thereupon, and be in the state of tightening under winding roller 2's rotation always, under the combined action of two fixed ropes 3, couple 4 is stable, prevent that couple 4 from taking place to rock at the in-process of lifting the heavy object and leading to unhooking.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A large-span gantry crane comprises a bottom wheel (1), and is characterized in that: also comprises a stabilizing structure and a lifting structure (9);

the lifting device is characterized in that a bottom plate (7) is mounted at the top end of the bottom wheel (1), supporting plates (13) are mounted at the front end and the rear end of the top end of the bottom plate (7), a top plate (10) is mounted at the top end of the supporting plates (13), a sliding rail (8) is mounted at the bottom end of the top plate (10), an electric hoist (12) is connected to the bottom end of the top plate (10) in a sliding mode through the sliding rail (8), and the lifting structure (9) is located in the middle of the top end of the bottom plate (7);

the bottom end of the electric hoist (12) is provided with a steel wire rope (11), the bottom end of the steel wire rope (11) is provided with a hook (4), and the stabilizing structure is positioned on two sides of the bottom end of the electric hoist (12);

the utility model discloses a winding roller, including mounting panel (6), stable structure includes mounting panel (6), mounting panel (6) are all installed in the both sides of electric hoist (12) bottom, and wind the bottom of roller (2) and all install mounting groove (5), first miniature servo motor (14) are all installed to the rear end of mounting groove (5), and just the output of first miniature servo motor (14) all installs bull stick (15), winding roller (2) are all installed to the outer wall of the inside bull stick (15) of mounting groove (5), and the outer wall of winding roller (2) all twines and has fixed rope (3).

2. A large-span gantry crane according to claim 1, wherein: the front end of bull stick (15) all passes mounting groove (5), and the one end of bull stick (15) all extends to the inside front end of mounting groove (5).

3. A large-span gantry crane according to claim 1, wherein: the bottom of fixed rope (3) all passes mounting groove (5), and the bottom of fixed rope (3) all extends to the below of mounting groove (5).

4. A large-span gantry crane according to claim 1, wherein: the rotating rod (15) is connected to the front end inside the mounting groove (5) through a rotating shaft, and the bottom ends of the fixing ropes (3) are connected to the two sides of the top end of the hook (4).

5. A large-span gantry crane according to claim 1, wherein: elevation structure (9) are including fixed slot (901), driving cabin (902), screw block (903), threaded rod (904), fixed diaphragm (905) and second miniature servo motor (906), both ends around bottom plate (7) top between backup pad (13) are all installed to fixed slot (901), and fixed diaphragm (905) are all transversely installed to fixed slot (901) inside, second miniature servo motor (906) are all installed to the bottom of fixed diaphragm (905), and threaded rod (904) are all installed to the output of second miniature servo motor (906), the outer wall of fixed diaphragm (905) top threaded rod (904) all has screw block (903) through threaded connection, and all is connected with driving cabin (902) between the one end that screw block (903) are close to each other.

6. The large-span gantry crane according to claim 5, wherein: the top end of the threaded rod (904) penetrates through the fixing transverse plate (905), and the bottom end of the threaded rod (904) extends to the top end inside the fixing groove (901).

7. The large-span gantry crane according to claim 5, wherein: one end of each threaded block (903) penetrates through the fixing grooves (901), and one end of each threaded block (903) extends to the position between the fixing grooves (901).

8. A large-span gantry crane according to claim 5, wherein: the top ends of the threaded rods (904) are connected to the top ends inside the fixing grooves (901) through rotating shafts, and the driving cabin (902) is located between the fixing grooves (901).