CN218145478U

CN218145478U - Gantry crane with prevent structure of toppling

Info

Publication number: CN218145478U
Application number: CN202222189470.XU
Authority: CN
Inventors: 张树辉; 张清明; 张树贞; 高祥海
Original assignee: Guangming Hoisting Group Co ltd
Current assignee: Guangming Hoisting Group Co ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2022-12-27
Anticipated expiration: 2032-08-19

Abstract

The utility model relates to a gantry crane with anti-overturning structure, including the winding mechanism, the winding mechanism slides on the girder through the second running gear, the winding mechanism lower extreme is connected with the main hook through wire rope, the side of girder is equipped with the stop device that is located main hook both sides, girder bottom both sides are equipped with the first running gear that moves on first guide rail, the girder both ends are equipped with the second support respectively; and two opposite sides of the second support are respectively provided with a support frame parallel to the first guide rail, and the bottom of the support frame is provided with a driven wheel. The utility model discloses a set up the support frame and from the driving wheel, the hoist carries out the diagonal bracing to the hoist front and back side through the support frame when harbour open-air operation, can not influence slip efficiency as the auxiliary wheel from the driving wheel simultaneously to load the goods in-process, two sets of electronic jar operations of accessible drive two sets of limiting plates and carry out the centre gripping with the goods that the terminal surface is leveled fixed, can effectively avoid the goods to take place to rock and take place to drop.

Description

Gantry crane with prevent structure of toppling

Technical Field

The utility model relates to a hoist technical field, concretely relates to gantry crane with prevent structure of toppling.

Background

The gantry crane can be actually used as a deformation device of a bridge crane, and is also called a gantry crane in some places. In general, a gantry crane is used to perform work such as loading and unloading goods outdoors. So named because its metal structure part is similar to the frame of the door and can directly run in the track on the ground, the present portal crane is often used in freight ports, shipyards, power station sites and other places.

Referring to the single-girder gantry crane of the model number TS2437334-2019 of Guanhua brand on the market, the current single-girder gantry crane is usually operated outdoors at a port, the gantry crane is easy to slide along a rail under the action of strong wind at the port, the crane can overturn when meeting the maximum wind power under a non-working state under a severe condition, and due to the adoption of a hanging mode in the process of loading goods by the current gantry crane, the hanging mode is difficult to avoid shaking of overweight goods in the moving process, so that the heavy goods are easy to fall off.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a gantry crane with prevent structure of toppling aims at solving prior art, and the hoist can take place to topple phenomenon and hanging mode when meeting with the biggest wind-force under the unoperated state and can avoid taking place the problem of rocking at the removal in-process overweight goods.

In order to solve the technical problem, the utility model provides a following technical scheme:

a gantry crane with an anti-overturning structure comprises a rolling mechanism, wherein the rolling mechanism slides on a main beam through a second travelling mechanism, the lower end of the rolling mechanism is connected with a main hook through a steel wire rope, and limiting devices positioned on two sides of the main hook are arranged on the side surface of the main beam;

two sides of the bottom of the main beam are provided with first traveling mechanisms running on the first guide rails, and two ends of the main beam are respectively provided with a second support; the two opposite sides of the second support are respectively provided with a support frame parallel to the first guide rail, and the bottom of the support frame is provided with a driven wheel.

Preferably, the limiting device comprises: the two limiting plates are oppositely arranged and connected with the first support and the main beam through the electric cylinder.

Preferably, the main beam is connected with the lower cross beam through the supporting legs, and two ends of the lower cross beam are respectively provided with the first traveling mechanisms.

Preferably, a protective guard is further arranged on one side of the upper end of the main beam.

Preferably, the lower end of the winding mechanism is provided with two groups of steel wire ropes, the bottom end of each steel wire rope is provided with a main hook, each group of steel wire ropes is provided with six steel wire ropes, and one side of each steel wire rope is also provided with an auxiliary hook.

Preferably, the first walking mechanism consists of a reduction gearbox, a motor and a walking assembly.

Preferably, the support frames are symmetrically fixedly connected to two sides of the second support, and the support frames and the second support are arranged at an angle of 45 degrees.

Preferably, the first supports are arranged on one side of the main beam in parallel, and the first supports and the second supports are arranged in an L shape.

The embodiment of the utility model provides a gantry crane with prevent structure of toppling possesses following beneficial effect: the utility model overcomes prior art's is not enough, through setting up the support frame and from the driving wheel, the hoist carries out diagonal bracing to the side around the hoist through the support frame when harbour open-air operation, can not influence slip efficiency as the auxiliary wheel from the driving wheel simultaneously to load the goods in-process, two sets of electronic jar operation of accessible drive two sets of limiting plates and carry out the centre gripping with the terminal surface level goods fixed, can effectively avoid the goods to take place to rock and take place to drop.

Through setting up the support frame and following the driving wheel, the device all is connected with the second support in one side of girder, and the support frame of second support front and back side is 45 designs to one side, can carry out the diagonal bracing to the device front and back side, can prevent effectively that the hoist from receiving the strong wind effect to take place to topple when harbour open air operation, makes the removal efficiency not influenced as first running gear's auxiliary wheel from the driving wheel simultaneously.

Through setting up electronic jar and limiting plate, open two sets of electronic jar operations, promote two sets of limiting plates and carry out the centre gripping fixed to the goods both ends that middle part was hoisted, can effectively avoid the goods overweight to take place to rock at the removal in-process and lead to the heavy object to drop, improve the stability of freight process, corresponding improvement this gantry crane's efficiency and security.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the structure of the position limiting plate of the present invention;

FIG. 3 is a schematic view of the supporting frame of the present invention;

fig. 4 is a schematic structural view of the first travel mechanism of the present invention.

In the figure: 1. a first guide rail; 2. a support leg; 3. a main beam; 4. protecting the fence; 5. a winding mechanism; 6. a second guide rail; 7. an auxiliary hook; 8. a wire rope; 9. a main hook; 10. a second traveling mechanism; 11. a limiting plate; 12. a support frame; 13. a first bracket; 14. an electric cylinder; 15. a driven wheel; 16. a second bracket; 17. a lower cross beam; 18. a first travel mechanism.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

The embodiment is as follows: as shown in fig. 1, a gantry crane with anti-overturning structure, including girder 3, girder 3 supports the upper end subassembly as the device's major structure and is connected with lower extreme landing leg 2 simultaneously, second running gear 10 can slide at second guide rail 6 of girder 3 upper end, and then drive the 5 lateral shifting of winding mechanism of second running gear 10 upper end, the inside rolling machine of winding mechanism 5 is receive and release two sets of wire rope 8 of lower extreme, the master hook 9 of middle-end wire rope 8 lower extreme carries out the goods and hangs, supplementary master hook 9 of auxiliary hook 7 of left side wire rope 8 lower extreme uses, upper end one side of girder 3 all is connected with rail guard 4, be used for carrying out spacing while protecting second running gear 10 to the removal of second running gear 10.

As shown in fig. 2, electronic jar 14 is all installed to one side of first support 13, and one side of electronic jar 14 all is provided with limiting plate 11 simultaneously, and electronic jar 14 operation promotes the horizontal rectilinear movement of limiting plate 11 through the piston rod, and electronic jar 14 that the symmetry set up makes limiting plate 11 can draw close to the middle part simultaneously, carries out the centre gripping to the goods both ends that the terminal surface is level and smooth fixed, can effectively avoid the heavy object to take place to rock.

As shown in fig. 3, one side of the main beam 3 is connected with an L-shaped second support 16, the front side and the rear side of the second support 16 are connected with support frames 12, the inclined 45-degree support frames 12 can obliquely support the front end and the rear end of the device, the crane can be effectively prevented from overturning under the action of strong wind during open-air operation in a port, meanwhile, driven wheels 15 are installed at the lower ends of the support frames 12, and the driven wheels 15 are used as auxiliary wheels without affecting the moving efficiency.

As shown in fig. 4, the first travelling mechanism 18 is connected with the main beam 3 by the support legs 2 and the lower cross beam 17, the first travelling mechanism 18 slides in the first guide rail 1, the first travelling mechanism 18 is composed of a reduction gearbox, a motor and a travelling assembly, the reduction gearbox and the motor are used as driving elements to provide power for the travelling assembly to move, and the moving process is efficient and stable.

The working principle is as follows: the device opens two sets of electronic jar 14 operations after finishing cargo handling, electronic jar 14 operation promotes the horizontal rectilinear movement of limiting plate 11 through the piston rod, electronic jar 14 that the symmetry set up makes limiting plate 11 draw close to the middle part simultaneously, it is fixed to carry out the centre gripping to the smooth goods both ends of terminal surface, can effectively avoid the heavy object to take place to rock, the device all is connected with L shape second support 16 in one side of girder 3 simultaneously, 45 oblique support frame 12 of design makes can carry out the diagonal bracing to the device front and back end, can prevent effectively that the hoist from being influenced by strong wind when the open operation in harbour and taking place to topple, from driving wheel 15 all installed to the lower extreme of support frame 12 simultaneously, from the auxiliary wheel of driving wheel 15 as first running gear 18 makes the removal in-process not influence the removal efficiency.

Claims

1. A gantry crane with an anti-overturning structure comprises a rolling mechanism (5) and is characterized in that the rolling mechanism (5) slides on a main beam (3) through a second travelling mechanism (10), the lower end of the rolling mechanism (5) is connected with a main hook (9) through a steel wire rope (8), and limiting devices positioned on two sides of the main hook (9) are arranged on the side surface of the main beam (3);

two sides of the bottom of the main beam (3) are provided with first traveling mechanisms (18) running on the first guide rail (1), and two ends of the main beam (3) are respectively provided with a second support (16); two opposite sides of the second support (16) are respectively provided with a support frame (12) parallel to the first guide rail (1), and the bottom of the support frame (12) is provided with a driven wheel (15).

2. The gantry crane with an anti-overturning structure according to claim 1, wherein the limiting device comprises: the two limiting plates (11) are oppositely arranged, and the limiting plates (11) are connected with the first support (13) and the main beam (3) through electric cylinders (14).

3. The gantry crane with an overturn preventing structure as claimed in claim 1, wherein the main beam (3) is connected with a lower beam (17) through a support leg (2), and both ends of the lower beam (17) are respectively provided with a first travelling mechanism (18).

4. The gantry crane with the overturn preventing structure of claim 3, wherein a guard rail (4) is further arranged on one side of the upper end of the main beam (3).

5. The gantry crane with the overturn preventing structure as claimed in claim 3, wherein two groups of steel wire ropes (8) are arranged at the lower end of the winding mechanism (5), a main hook (9) is arranged at the bottom end of each steel wire rope (8), six steel wire ropes (8) are arranged in each group, and an auxiliary hook (7) is further arranged on one side of each steel wire rope (8).

6. Gantry crane with an anti-overturning structure according to claim 1, characterized in that the first travelling mechanism (18) consists of a reduction gearbox, a motor and a travelling assembly.

7. The gantry crane with an overturn preventing structure as claimed in claim 1, wherein the supporting frames (12) are symmetrically and fixedly connected to two sides of the second support (16), and the supporting frames (12) and the second support (16) are arranged at an angle of 45 °.

8. The gantry crane with an overturn preventing structure of claim 2, wherein the first brackets (13) are arranged on one side of the main beam (3) in parallel, and the first brackets (13) and the second brackets (16) are arranged in an L shape.