CN212740479U - Double-beam hook gantry crane - Google Patents

Abstract

The utility model discloses a two roof beam lifting hook gantry crane, including support, cart and crossbeam, all be provided with the crossbeam between one side on support top, be provided with arrestment mechanism between one side of the inside spiral roller of dolly, the top of crossbeam below lifting hook is provided with prevents pendulum mechanism, the equal fixedly connected with bottom plate in bottom of support, and the equal fixedly connected with in both ends cover foot of bottom plate, the one end of cover foot all is provided with clean mechanism. The utility model discloses a clearance box, bayonet socket, kelly, extension spring and steamboat have set gradually in the inside of clean mechanism, and the clearance box all hinges in the one end of outer wall through the articulated elements, and the bayonet socket has all been seted up to the both sides of clearance box, and the kelly all hinges in the both sides of cover foot through the articulated elements, and the equal fixedly connected with extension spring in one side of kelly, the equal fixed connection in one side of extension spring in one side of cover foot, and orbital automatic clearance has been realized to this structure, is favorable to using manpower sparingly.

Description

Double-beam hook gantry crane

Technical Field

The utility model relates to a hoist technical field specifically is a two roof beam lifting hook gantry crane.

Background

The double-beam hook portal crane is a variant of bridge crane and is mainly used for outdoor loading and unloading operation. Its metal structure looks like portal frame, so call as portal crane, bears two stabilizer blades of installation under the girder, can directly walk on the track on ground, and the girder both ends can have overhanging cantilever beam, and portal crane has characteristics such as place utilization ratio height, operation range are big, adaptation face is wide, the commonality is strong, obtains using widely in harbour goods yard, and traditional two-beam lifting hook portal crane has a lot of weak points.

First, the conventional double-beam hook gantry crane is easy to have a failure of a brake device during operation;

second, the conventional double-beam hook gantry crane is easy to swing during operation;

third, the conventional gantry crane with double-beam hook cannot automatically clean the rail.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two-beam lifting hook gantry crane to solve the not good, easy pendulum hook of braking effect that proposes among the above-mentioned background art and must the orbital problem of manual cleaning.

In order to achieve the above object, the utility model provides a following technical scheme: a double-beam hook portal crane comprises a support, a cart and a cross beam, wherein the cross beam is arranged between one side of the top end of the support, second racks are arranged at the top end of the cross beam, cart rails are arranged at the bottom end of the inner portion of the cross beam, cart wheels are arranged inside the cart rails, the cart is fixedly connected to the top ends of the cart wheels, the top end of the cart extends to the upper portion of the cross beam, a second motor is fixedly connected to one side of the bottom end of the inner portion of the cart, a first bevel gear is fixedly connected to the output end of the second motor, a driving rod is arranged between one end of the cart on one side of the first bevel gear, two ends of the driving rod extend to two ends of the cart, a second bevel gear is fixedly connected to the outer wall of the driving rod on one side of the first bevel gear, second gears are fixedly connected to two ends of the driving rod above the second racks, and a cart is arranged on the other, the two sides of the bottom end of the trolley are uniformly provided with small wheels, the bottom end of the inside of the cart below the small wheels is provided with a small trolley rail, the bottom end of the small wheels extends to the inside of the small trolley rail, one side of the inside of the trolley is provided with a first motor, the output end of the first motor extends to one side of the trolley, the output end of the first motor is fixedly connected with a first gear, the bottom end of the inside of the cart below the first gear is provided with a first rack, two sides of the bottom end of the inside of the trolley on one side of the first motor are uniformly provided with supporting columns, winding rollers are arranged between one ends of the supporting columns, a braking mechanism is arranged between one sides of the winding rollers inside the trolley, a sling rope is fixedly connected between one sides of the small wheels at the bottom end of the trolley, one end of the sling rope extends to the outer wall of the winding rollers, the bottom end of the bottom end, the equal fixedly connected with bottom plate in bottom of support, and the equal fixedly connected with cover foot in both ends of bottom plate, the bottom of cover foot all evenly is provided with the wheel, the one end of cover foot all is provided with clean mechanism.

Preferably, the inside of the braking mechanism is provided with an air cylinder, a push rod, a cross rod, a hinge rod, a braking piece, a sliding rod, a sliding chute and a first sliding block in sequence, the sliding chutes are arranged at two ends of the bottom end inside the trolley, the first sliding block is arranged inside the sliding chute, the air cylinder is arranged at the middle position of the top end inside the trolley, and the bottom end of the air cylinder is fixedly connected with the push rod.

Preferably, the bottom end of the push rod is fixedly connected with a cross rod, two ends of the cross rod are hinged with hinged rods through hinged pieces, the bottom ends of the hinged rods are hinged with brake pieces through the hinged pieces, a sliding rod is hinged between one sides of the brake pieces through the hinged pieces, and the bottom ends of the sliding rods are fixedly connected to the top end of the first sliding block.

Preferably, the inside of preventing the pendulum mechanism has set gradually prevents putting box, fixed rod, fixed pulley, prevents the rocker, first slide rail, second slider, compression spring, movable pulley, last rope socket and lower rope socket, prevent putting box fixed connection in the top of lifting hook, prevent that the both sides on pendulum box top have all been seted up and have been gone up the rope socket, and prevent that the bottom of putting the box has seted up lower rope socket.

Preferably, the top of preventing the inside both sides of pendulum box all is provided with decides the pole, and the equal swing joint in one side of deciding the pole has the fixed pulley, the even fixedly connected with of intermediate position department of preventing the inside bottom of pendulum box prevents the rocker, and prevents that the inside both sides in rocker top have all seted up first slide rail, the inside of first slide rail all is provided with the second slider, and all is provided with the movable pulley between the one end of second slider, the equal fixedly connected with compression spring in one side of the inside of first slide rail, and the equal fixed connection in one side of second slider in one side of compression spring.

Preferably, the inside of clean mechanism has set gradually clearance box, bayonet socket, card pole, extension spring and steamboat, the clearance box all hinges in the one end of cover foot outer wall through the articulated elements, and the both sides of clearance box bottom all are provided with the steamboat, the bayonet socket has all been seted up to the both sides of clearance box, the card pole all hinges in the both sides of cover foot through the articulated elements, and the equal fixedly connected with extension spring in one side of card pole, the equal fixed connection in one side of cover foot in one side of extension spring.

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

(1) the brake device is provided with the air cylinder, the push rod, the cross rod, the hinge rod, the brake piece, the slide rod, the sliding chute and the first sliding block, the air cylinder pushes the push rod, the push rod pushes the cross rod, the cross rod moves downwards, the cross rod can apply external force to the hinge rod under the matching of the hinge piece, the brake piece can move towards the direction close to the winding roller under the matching of the slide rod, the sliding chute and the first sliding block, when the brake piece is in contact with the winding roller, friction force can be generated between the brake piece and the winding roller, the larger the degree that the air cylinder pushes the push rod downwards is, the larger the friction force is, and the air cylinder stops working until the winding roller stops rotating;

(2) by installing the anti-swing box, the fixed rod, the fixed pulley, the anti-swing frame, the first slide rail, the second slide block, the compression spring, the movable pulley, the upper rope opening and the lower rope opening, a sling and a lifting hook can swing in the moving process of the cart and the trolley, the sling enters the lower rope opening from the upper rope opening of the anti-swing box and finally penetrates out of the upper rope opening on the other side, when the sling swings, the fixed pulley arranged on the fixed rod can play a limiting role, meanwhile, under the matching of the slide rail and the second slide block, the movable pulley can compress the compression spring arranged between the anti-swing frames, the compression spring can give a buffering effect to the sling, under the matching of the structure, the anti-swing effect of the sling and the lifting hook is realized at the moment, and the time required for stabilizing the lifting hook in the lifting process can be saved;

(3) through installing the clearance box, the bayonet socket, the kelly, extension spring and steamboat, when the hoist needs to remove, pull open the kelly, under the cooperation of articulated elements, will originally rotate to the clearance box fixed by the kelly and contact with ground, start crane drive arrangement, under the cooperation of steamboat, the clearance box can be along rail movement, when the clearance box removes, can be with the automatic clearance box that shovels of foreign matter such as stone on the track inside, after the hoist removes appointed place, ground staff clears up the foreign matter of the inside, rotate the clearance box after that, stimulate the kelly simultaneously, make kelly and bayonet socket card live, fixed to the clearance box has been accomplished promptly this moment, this structure has realized the automatic clearance to the hoist track, be favorable to saving required manpower and the time of manual work clearance track.

Drawings

FIG. 1 is a schematic cross-sectional view of the device of the present invention;

FIG. 2 is a schematic top view of the apparatus of the present invention;

FIG. 3 is an enlarged schematic view of the device A of the present invention;

FIG. 4 is a schematic side view of the braking mechanism of the present invention;

FIG. 5 is an enlarged schematic view of the device of the present invention at B;

FIG. 6 is an enlarged schematic view of the device C of the present invention;

fig. 7 is a schematic side view of the cleaning mechanism of the present invention.

In the figure: 1. a support; 2. sleeving feet; 3. a base plate; 4. a brake mechanism; 401. a cylinder; 402. a push rod; 403. a cross bar; 404. a hinged lever; 405. a brake pad; 406. a slide bar; 407. a chute; 408. a first slider; 5. a swing prevention mechanism; 501. a swing prevention box; 502. fixing a rod; 503. a fixed pulley; 504. a swing prevention frame; 505. a slide rail; 506. a second slider; 507. a compression spring; 508. a movable pulley; 509. rope feeding ports are formed; 510. a rope outlet; 6. a cleaning mechanism; 601. cleaning the box; 602. a bayonet; 603. a clamping rod; 604. an extension spring; 605. a small wheel; 7. a first rack; 8. a trolley rail; 9. a small wheel; 10. a first gear; 11. a first motor; 12. a cart; 13. a trolley; 14. a second motor; 15. a first bevel gear; 16. a second bevel gear; 17. a second rack; 18. a cross beam; 19. a large rail; 20. a large wheel; 21. a support pillar; 22. a winding roll; 23. a hook; 24. a machine wheel; 25. a drive rod; 26. a second gear; 27. a sling.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-7, the present invention provides an embodiment: a double-beam hook portal crane comprises a support 1, a cart 12 and a beam 18, wherein the beam 18 is arranged between one side of the top end of the support 1, the top end of the beam 18 is provided with a second rack 17, the bottom end of the inside of the beam 18 is provided with a cart rail 19, the inside of the cart rail 19 is provided with a cart wheel 20, the top end of the cart wheel 20 is fixedly connected with the cart 12, the top end of the cart 12 extends to the upper part of the beam 18, one side of the bottom end of the inside of the cart 12 is fixedly connected with a second motor 14, the model of the second motor 14 can be Y315M-2, the output end of the second motor 14 is fixedly connected with a first bevel gear 15, a driving rod 25 is arranged between one end of the cart 12 at one side of the first bevel gear 15, the two ends of the driving rod 25 extend to the two ends of the cart 12, the outer wall of the driving rod 25 at one side of the first bevel gear 15 is, both ends of a driving rod 25 above the second rack 17 are fixedly connected with a second gear 26, the other side of the second motor 14 in the cart 12 is provided with a trolley 13, and both sides of the bottom end of the small trolley 13 are evenly provided with small wheels 9, the bottom ends of the insides of the large trolley 12 below the small wheels 9 are all provided with small trolley rails 8, the bottom ends of the trolley wheels 9 extend into the trolley rails 8, one side of the inside of the trolley 13 is provided with a first motor 11, the model of the first motor 11 can be Y315M-2, the output end of the first motor 11 extends to one side of the trolley 13, the output end of the first motor 11 is fixedly connected with a first gear 10, the bottom end of the inside of the cart 12 below the first gear 10 is provided with a first rack 7, two sides of the bottom end of the inside of the trolley 13 at one side of the first motor 11 are uniformly provided with supporting columns 21, and the winding rollers 22 are arranged between one ends of the supporting columns 21, and the braking mechanism 4 is arranged between one sides of the winding rollers 22 in the trolley 13;

the brake mechanism 4 is internally provided with an air cylinder 401, a push rod 402, a cross rod 403, a hinge rod 404, a brake block 405, a slide rod 406, a sliding chute 407 and a first sliding block 408 in sequence, the sliding chutes 407 are all arranged at two ends of the bottom end in the trolley 13, the first sliding block 408 is arranged in the sliding chute 407, the air cylinder 401 is arranged at the middle position of the top end in the trolley 13, the type of the air cylinder 401 can be SC63, and the bottom end of the air cylinder 401 is fixedly connected with the push rod 402;

specifically, as shown in fig. 1, 3 and 4, when the mechanism is used, firstly, the air cylinder 401 is controlled, the air cylinder 401 pushes the push rod 402 downwards, the push rod 402 pushes the cross rod 403 downwards, the cross rod 403 moves downwards under the cooperation of the hinge pieces, meanwhile, the hinge rods 404 on two sides are driven to rotate, and the hinge rods 404 move the brake block 405 towards the direction close to the winding roller 22 under the action of the sliding groove 407, the first sliding block 408, the sliding rod 406 and the hinge pieces;

the bottom end of the push rod 402 is fixedly connected with a cross rod 403, two ends of the cross rod 403 are hinged with hinge rods 404 through hinges, the bottom ends of the hinge rods 404 are hinged with brake pieces 405 through hinges, a slide rod 406 is hinged between one sides of the brake pieces 405 through hinges, and the bottom ends of the slide rods 406 are fixedly connected to the top end of a first slide block 408;

specifically, as shown in fig. 1, 3 and 4, when the mechanism is used, first, the cross bar 403 is pushed downward, the cross bar 403 moves downward in cooperation with the hinge to drive the hinge rods 404 on both sides to rotate, and the hinge rods 404 move the brake piece 405 toward the winding roller 22 under the action of the sliding groove 407, the first slider 408, the sliding rod 406 and the hinge;

a sling 27 is fixedly connected between one side of the small wheels 9 at the bottom end of the trolley 13, one end of the sling 27 extends to the outer wall of the winding roller 22, a lifting hook 23 is arranged at the bottom end of the sling 27 below the cross beam 18, and an anti-swing mechanism 5 is arranged at the top end of the lifting hook 23 below the cross beam 18;

the swing-proof mechanism 5 is internally provided with a swing-proof box 501, a fixed rod 502, a fixed pulley 503, a swing-proof frame 504, a first slide rail 505, a second slide block 506, a compression spring 507, a movable pulley 508, an upper rope opening 509 and a lower rope opening 510 in sequence, the swing-proof box 501 is fixedly connected to the top end of the lifting hook 23, the upper rope opening 509 is arranged on both sides of the top end of the swing-proof box 501, and the lower rope opening 510 is arranged at the bottom end of the swing-proof box 501;

specifically, as shown in fig. 1 and 5, when this mechanism is used, first, the left wall of the lower rope opening 510 at the bottom end of the swing prevention box 501 also restricts the swing of the sling 27, and at the same time, the upper rope opening 509 at the right side of the top end of the swing prevention box 501 and the fixed pulley 503 fixed to the fixed rod 502 side pull the sling 27, and the right wall of the lower rope opening 510 at the bottom end of the swing prevention box 501 also restricts the swing of the sling 27, and at the same time, the upper rope opening 509 at the left side of the top end of the swing prevention box 501 and the fixed pulley 503 fixed to the fixed rod 502 side pull the sling 27;

the top ends of two sides in the anti-swing box 501 are respectively provided with a fixed rod 502, one side of each fixed rod 502 is movably connected with a fixed pulley 503, the middle position of the bottom end in the anti-swing box 501 is uniformly and fixedly connected with an anti-swing frame 504, two sides in the top end of each anti-swing frame 504 are respectively provided with a first slide rail 505, a second slide block 506 is arranged in each first slide rail 505, a movable pulley 508 is arranged between one ends of the second slide blocks 506, one side in each first slide rail 505 is fixedly connected with a compression spring 507, and one side of each compression spring 507 is fixedly connected to one side of each second slide block 506;

specifically, as shown in fig. 1 and 5, when the mechanism is used, first, when the sling 27 swings to the left, the sling 27 applies an external force to the left movable pulley 508, under the cooperation of the swing prevention frame 504, the slide rail 505 and the second slide block 506, the movable pulley 508 compresses the compression spring 507 after receiving an external force, the left wall of the lower rope opening 510 at the bottom end of the swing prevention box 501 also limits the swing of the sling 27, at the same time, the upper rope opening 509 on the right side of the top end of the swing-proof box 501 and the fixed pulley 503 fixed on one side of the fixed rod 502 pull the sling 27, when the sling 27 swings to the right, the sling 27 applies an external force to the right movable pulley 508, under the cooperation of the swing prevention frame 504, the slide rail 505 and the second slide block 506, the movable pulley 508 compresses the compression spring 507 after receiving an external force, the right wall of the lower rope opening 510 at the bottom end of the swing prevention box 501 also limits the swing of the sling 27, meanwhile, the upper rope opening 509 on the left side of the top end of the anti-swing box 501 and the fixed pulley 503 fixed on one side of the fixed rod 502 pull the sling 27;

the bottom ends of the brackets 1 are fixedly connected with a bottom plate 3, both ends of the bottom plate 3 are fixedly connected with sleeve feet 2, the bottom ends of the sleeve feet 2 are uniformly provided with machine wheels 24, and one ends of the sleeve feet 2 are provided with cleaning mechanisms 6;

the cleaning mechanism 6 is internally provided with a cleaning box 601, a bayonet 602, a clamping rod 603, an extension spring 604 and a small wheel 605 in sequence, the cleaning box 601 is hinged to one end of the outer wall of the sleeve leg 2 through a hinge, the small wheels 605 are arranged on two sides of the bottom end of the cleaning box 601, the bayonet 602 is arranged on two sides of the cleaning box 601, the clamping rod 603 is hinged to two sides of the sleeve leg 2 through a hinge, the extension spring 604 is fixedly connected to one side of the clamping rod 603, and one side of the extension spring 604 is fixedly connected to one side of the sleeve leg 2;

specifically, as shown in fig. 1, 6 and 7, when using the mechanism, first, the clamping rod 603 is rotated, after the clamping rod 603 which is used for fixing inside the bayonet 602 is pulled out, the cleaning box 601 is slowly rotated under the coordination of the hinge, so that the opening of the cleaning box 601 is tightly attached to the plane of the rail, then, the ground worker sends a signal to the crane operator, the operator drives the crane, the crane moves along the rail in the direction of the location of the goods to be carried under the action of the wheel 24, while the crane moves along the rail under the coordination of the small wheel 605 at the bottom end of the cleaning box 601, the cleaning box 601 will shovel the stones on the rail and other foreign matters which may affect the balance of the crane into the interior of the cleaning box 601, after the crane moves into the operation area, the ground worker will clean the foreign matters such as stones in the interior of the cleaning box 601, then, under the coordination of the hinge, the cleaning box 601 is rotated, when the cleaning box 601 is rotated to a position vertical to the ground, the clamping rod 603 is pulled outwards, then, the cleaning box 601 is rotated continuously, when one end of the clamping rod 603 is aligned with the bayonet 602, the clamping rod 603 is pulled out, and under the action of the extension spring 604, the clamping rod 603 can be inserted into the bayonet 602.

The working principle is as follows: when in use, firstly, the bracket 1 is fixedly connected on the bottom plate 3 through screws, the upper sleeve feet 2 are fixedly connected at two ends of the bottom plate 3 through screws, after the installation is finished, a worker rotates the clamping rod 603, after the clamping rod 603 which plays a role of fixing in the bayonet 602 is pulled out, the cleaning box 601 is slowly rotated under the matching of the hinge piece, so that the opening of the cleaning box 601 is tightly attached to the plane of the track, then, the ground worker sends a signal to a crane operator, the operator drives the crane, the crane moves along the track to the direction of the location of goods to be carried under the action of the wheel 24, under the matching of the small wheel 605 at the bottom end of the cleaning box 601, the cleaning box 601 shovels the stones on the track and other foreign matters which possibly influence the balance of the crane into the cleaning box 601, and after the crane moves to an operation area, the ground worker cleans the foreign matters such as the stones in the cleaning box 601, then, the cleaning box 601 is rotated with the hinge, when the cleaning box 601 is rotated to a position perpendicular to the ground, the locking rod 603 is pulled outwards, then, the cleaning box 601 is rotated continuously, when one end of the locking rod 603 is aligned with the bayonet 602, the locking rod 603 is released from being pulled, and under the action of the extension spring 604, the locking rod 603 is inserted into the bayonet 602, so that the cleaning box 601 is fixed.

Then, a ground worker sends a signal to a crane operator, the operator controls the second motor 14, the second motor 14 rotates and drives the first bevel gear 15, the first bevel gear 15 rotates and drives the driving rod 25 to rotate under the coordination of the second bevel gear 16, the driving rod 25 rotates and the cart 12 moves on the cross beam 18 and drives the cart 13 to move together when the cart 12 moves, the operator controls the first motor 11 to rotate after the cart 12 moves to a specified area under the coordination of the second gear 26, the second rack 17, the cart wheel 20 and the cart rail 19, the operator controls the first motor 11 to rotate, the cart 13 can perform position adjustment inside the cart 12 under the coordination of the first gear 10, the first rack 7, the cart wheel 9 and the cart rail 8, and the lifting hook 23 and the sling 27 can swing under the action of inertia in the position adjustment process, when the sling 27 swings to the left, the sling 27 applies an external force to the left movable sheave 508, under the cooperation of the swing prevention frame 504, the slide rail 505 and the second slide block 506, the movable pulley 508 compresses the compression spring 507 after receiving an external force, the left wall of the lower rope opening 510 at the bottom end of the swing prevention box 501 also limits the swing of the sling 27, at the same time, the upper rope opening 509 on the right side of the top end of the swing-proof box 501 and the fixed pulley 503 fixed on one side of the fixed rod 502 pull the sling 27, when the sling 27 swings to the right, the sling 27 applies an external force to the right movable pulley 508, under the cooperation of the swing prevention frame 504, the slide rail 505 and the second slide block 506, the movable pulley 508 compresses the compression spring 507 after receiving an external force, the right wall of the lower rope opening 510 at the bottom end of the swing prevention box 501 also limits the swing of the sling 27, at the same time, the upper rope opening 509 on the left side of the top end of the swing preventing box 501 and the fixed pulley 503 fixed to the fixed rod 502 pull the suspension rope 27.

Finally, when braking is needed in the hoisting process, an operator performs braking operation in the operation room, controls the air cylinder 401, the air cylinder 401 pushes the push rod 402 downwards, the push rod 402 pushes the cross rod 403 downwards, the cross rod 403 moves downwards under the cooperation of the hinge pieces and drives the hinge rods 404 on two sides to rotate, the hinge rods 404 move the brake blocks 405 towards the direction close to the winding roller 22 under the action of the sliding grooves 407, the first sliding blocks 408, the sliding rods 406 and the hinge pieces, the winding roller 22 is rotatably connected to the top end of the supporting column 21, and the brake blocks 405 are finally attached to the winding roller 22.

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 (6)

1. The utility model provides a two roof beam lifting hook gantry cranes, includes support (1), cart (12) and crossbeam (18), its characterized in that: a cross beam (18) is arranged between one side of the top end of the support (1), second racks (17) are arranged at the top ends of the cross beams (18), a cart rail (19) is arranged at the bottom end of the interior of each cross beam (18), cart wheels (20) are arranged inside each cart rail (19), a cart (12) is fixedly connected to the top end of each cart wheel (20), the top end of each cart (12) extends to the upper portion of each cross beam (18), a second motor (14) is fixedly connected to one side of the bottom end of the interior of each cart (12), a first bevel gear (15) is fixedly connected to the output end of each second motor (14), a driving rod (25) is arranged between one end of each cart (12) on one side of each first bevel gear (15), two ends of each driving rod (25) extend to two ends of each cart (12), a second bevel gear (16) is fixedly connected to the outer wall of each driving rod (25) on one side of each first bevel gear (15), both ends of a driving rod (25) above the second rack (17) are fixedly connected with second gears (26), a trolley (13) is arranged on the other side of a second motor (14) in the trolley (12), small wheels (9) are uniformly arranged on both sides of the bottom end of the trolley (13), small trolley rails (8) are arranged on the bottom end of the trolley (12) below the small wheels (9), the bottom ends of the small wheels (9) extend into the small trolley rails (8), a first motor (11) is arranged on one side of the inside of the trolley (13), the output end of the first motor (11) extends to one side of the trolley (13), a first gear (10) is fixedly connected with the output end of the first motor (11), a first rack (7) is arranged on the bottom end of the trolley (12) below the first gear (10), and supporting columns (21) are uniformly arranged on both sides of the bottom end of the trolley (13) on one side of the first motor (11), and all be provided with winding roll (22) between the one end of support column (21), be provided with arrestment mechanism (4) between one side of inside winding roll (22) of dolly (13), fixedly connected with hoist cable (27) between one side of dolly (13) bottom truckle (9), and the one end of hoist cable (27) extends to the outer wall of winding roll (22), the bottom of crossbeam (18) below hoist cable (27) is provided with lifting hook (23), the top of crossbeam (18) below lifting hook (23) is provided with prevents pendulum mechanism (5), the equal fixedly connected with bottom plate (3) in bottom of support (1), and the equal fixedly connected with in both ends cover foot (2) of bottom plate (3), the bottom of cover foot (2) all evenly is provided with wheel (24), the one end of cover foot (2) all is provided with cleaning mechanism (6).

2. A double beam hook gantry crane according to claim 1, characterized in that: the brake mechanism (4) is internally provided with a cylinder (401), a push rod (402), a cross rod (403), an articulated rod (404), a brake block (405), a sliding rod (406), sliding grooves (407) and a first sliding block (408) in sequence, the sliding grooves (407) are arranged at two ends of the bottom end of the inside of the trolley (13), the first sliding blocks (408) are arranged inside the sliding grooves (407), the cylinder (401) is arranged at the middle position of the top end of the inside of the trolley (13), and the bottom end of the cylinder (401) is fixedly connected with the push rod (402).

3. A double beam hook gantry crane according to claim 2, characterized in that: the bottom end of the push rod (402) is fixedly connected with a cross rod (403), two ends of the cross rod (403) are hinged with hinge rods (404) through hinge pieces, the bottom ends of the hinge rods (404) are hinged with brake pieces (405) through the hinge pieces, a sliding rod (406) is hinged between one sides of the brake pieces (405) through the hinge pieces, and the bottom ends of the sliding rods (406) are fixedly connected to the top end of a first sliding block (408).

4. A double beam hook gantry crane according to claim 1, characterized in that: the anti-swing mechanism is characterized in that an anti-swing box (501), a fixed rod (502), a fixed pulley (503), an anti-swing frame (504), a first sliding rail (505), a second sliding block (506), a compression spring (507), a movable pulley (508), an upper rope opening (509) and a lower rope opening (510) are sequentially arranged inside the anti-swing mechanism (5), the anti-swing box (501) is fixedly connected to the top end of the lifting hook (23), the upper rope opening (509) is formed in the two sides of the top end of the anti-swing box (501), and the lower rope opening (510) is formed in the bottom end of the anti-swing box (501).

5. A double beam hook gantry crane according to claim 4, characterized in that: prevent that the top of the inside both sides of pendulum box (501) all is provided with decides pole (502), and the equal swing joint in one side of deciding pole (502) has fixed pulley (503), prevent that the even fixedly connected with of intermediate position department of the inside bottom of pendulum box (501) prevents pendulum frame (504), and prevent that first slide rail (505) have all been seted up to the inside both sides in pendulum frame (504) top, the inside of first slide rail (505) all is provided with second slider (506), and all is provided with movable pulley (508) between the one end of second slider (506), the equal fixedly connected with compression spring (507) in the inside one side of first slide rail (505), and the equal fixed connection in one side of second slider (506) in one side of compression spring (507).

6. A double beam hook gantry crane according to claim 1, characterized in that: the cleaning mechanism is characterized in that a cleaning box (601), a bayonet (602), a clamping rod (603), an extension spring (604) and a small wheel (605) are sequentially arranged inside the cleaning mechanism (6), the cleaning box (601) is hinged to one end of the outer wall of the sleeve foot (2) through a hinged piece, the small wheel (605) is arranged on each of two sides of the bottom end of the cleaning box (601), the bayonet (602) is arranged on each of two sides of the cleaning box (601), the clamping rod (603) is hinged to two sides of the sleeve foot (2) through the hinged piece, the extension spring (604) is fixedly connected to one side of the clamping rod (603), and the extension spring (604) is fixedly connected to one side of the sleeve foot (2) in one side.

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