CN219708901U - Transport hanging table of shore bridge and shore bridge - Google Patents

Abstract

The utility model relates to the technical field of shore bridges, and discloses a transportation hanging table of a shore bridge, which is used for maintaining pulley blocks of the shore bridge, and comprises the following components: the supporting device comprises a supporting frame, the bottom of the supporting frame is used for being installed at the top of the shore bridge, and pulley blocks are arranged in the supporting frame; the track extends from the inside of the support frame to a loading position, and the projection of the loading position in the vertical direction avoids the quay bridge; the lifting mechanism is slidably arranged on the track, the lifting mechanism is provided with a lifting hook for lifting the pulley block, the pulley block is transported to the ground for maintenance by the transportation lifting platform, and the preset track is utilized, so that the pulley block avoids complex components at the lower part in the descending process, interference is avoided, and the problem of difficult maintenance of the pulley block is solved.

Description

Transport hanging table of shore bridge and shore bridge

Technical Field

The utility model relates to the field of shore bridges, in particular to a transportation hanging table of a shore bridge and the shore bridge.

Background

The quay bridge is specialized equipment specially used for loading and unloading a container ship by a container terminal and is generally installed on the quay side of a port. The upright post of the shore bridge is internally provided with a counterweight mechanism, and the top of the shore bridge is provided with a pulley block for reversing the steel wire rope, and the pulley block has longer service time and higher service frequency, so that the pulley block needs to be frequently overhauled or even replaced. Because the pulley block is positioned at the highest point of the shore bridge upright post, the height of the pulley block from the ground is tens of meters, and the weight of a single pulley block group is about 0.8 ton, and the volume is large, the pulley block can not be maintained at the original working position.

Meanwhile, the structural arrangement of the lower part of the pulley block is relatively dense, steel wire ropes in the rear girder are densely distributed, and difficulty is increased for moving and maintaining the pulley block.

Disclosure of Invention

In view of the above, the utility model provides a transportation crane platform to solve the problem of difficult maintenance of pulley blocks in a quay crane.

In a first aspect, the present utility model provides a transport crane of a quay crane, the transport crane comprising: the supporting device comprises a supporting frame, wherein the bottom of the supporting frame is used for being installed at the top of a shore bridge, and a pulley block is arranged in the supporting frame; the track extends from the inside of the support frame to a loading position, and the projection of the loading position in the vertical direction avoids a quay bridge; and the lifting mechanism is slidably mounted on the track and is provided with a lifting hook for lifting the pulley block.

Through set up the transportation and hang at the top of bank bridge, transport the subaerial maintenance from the bank bridge with the assembly pulley through the mode of hoist and mount, hoist the assembly pulley by hoisting mechanism for transport assembly pulley still sets up in addition and is used for transporting hoisting mechanism's track, transports hoisting mechanism and assembly pulley to unloading position, and unloading position can satisfy the assembly pulley in the in-process that descends to ground, does not have the shielding of other parts.

In an alternative embodiment, the rail extends in a horizontal direction, one end of the rail being fixed to the middle cross member of the support frame and the other end extending beyond the outer contour of the support frame.

The track is through removing hoisting mechanism on the horizontal plane, and the pulley block that is responsible for removes in the horizontal direction, makes the pulley block remove the position that the bottom does not have the component to shelter from at first, is responsible for the pulley block by hoisting mechanism again and removes in vertical direction, and the mounted position of track one end is relative with the pulley block, guarantees the stability of installation.

In an alternative embodiment, the track is an arcuate track.

The weight of the lifting mechanism and the pulley block is overlarge, and the resistance of the lifting mechanism to movement in the track is reduced by arranging the arc-shaped track.

In an alternative embodiment, the support device comprises: and one end of the supporting rod is connected with the supporting frame, and the other end of the supporting rod is connected with the track.

The weight of the lifting mechanism and the pulley block is overlarge, and in order to avoid that the rail cannot bear overlarge stress, a supporting rod is arranged on the rail, so that the stability of the rail is improved.

In an alternative embodiment, the support rods are provided in plurality, one ends of the support rods are respectively connected to the connection angles of the plurality of beam frames of the support frame, and the other ends of the support rods are connected to one ends of the unloading positions in the track.

The support rod is connected with the structural angle of the support frame and one end of the unloading position in the track, so that the support frame, the support rod and the track form a stable structure, the support rods form stable structures in different directions and in different sizes, and the stability of the track is greatly improved.

In an alternative embodiment, the lifting mechanism comprises: the lifting hook is connected to the bottom of the lifting rope; the sliding group is positioned at the top of the lifting rope and comprises a plurality of pulleys, and the pulleys are clamped in the track and used for sliding along the track; the driving part is used for driving the sliding of the sliding group and the winding and unwinding of the lifting rope.

The lifting mechanism is driven by the driving part to slide along the track under the sliding group, the lifting hook is connected with the pulley block, and the lifting rope is driven by the driving part to realize the extension and retraction of the lifting rope, so that the sliding group is driven to move in the vertical direction.

In an alternative embodiment, the lifting mechanism is an electric hoist.

The electric hoist is a special lifting device, and has the characteristics of small volume, light dead weight, simple operation, convenient use and the like.

In an alternative embodiment, the track includes a support section, a transition section and a loading section connected in sequence, the support section is a portion close to the support frame, the loading section is a portion close to the loading position, and an included angle between the support section and the loading section is an obtuse angle.

The larger included angle makes the resistance of the hoisting mechanism in the track smaller and the power consumption smaller.

In a second aspect, the present utility model also provides a quay crane comprising: the transportation hanging table; and the transportation hanging table is positioned at the top end of the upright post.

The transportation hanging table is applied to the shore bridge, and solves the problem that pulley blocks in the shore bridge are difficult to maintain.

In an alternative embodiment, the shore bridge comprises a girder, the upright is located at one side of the girder, and the track extends from a position close to the girder to a position far from the girder.

The track is used for avoiding dense components at the bottom of the shore bridge, and the shielding of the girder on the lowering of the pulley block is avoided by extending to a position far away from the girder.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of a transport sling according to an embodiment of the present utility model;

FIG. 2 is a side view of a transport sling according to an embodiment of the present utility model;

fig. 3 is a top view of a transport sling according to an embodiment of the present utility model.

Reference numerals illustrate:

1. pulley block; 2. a support device; 201. a support frame; 202. a support rod; 3. a track, 301, a support section; 302. a loading and unloading section; 4. a lifting mechanism; 401. a sliding group; 402. a lifting hook; 403. a hanging rope; 404. a driving part.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiments of the present utility model are described below with reference to fig. 1 to 3.

According to an embodiment of the utility model, as shown in fig. 1, in one aspect, there is provided a transport crane for a quay crane for maintaining a pulley block of the quay crane for transport during maintenance of the pulley block, the transport crane comprising a support device 2, a rail 3 and a lifting mechanism 4, the support device 2 being arranged to support the rail 3, the rail 3 being extended from the support device 2 to a loading and unloading position, the lifting mechanism 4 being arranged to slide along the course of the rail 3, the lifting mechanism 4 being arranged to lift the pulley block such that the pulley block is moved from a working position to a maintenance position.

In some embodiments, as shown in fig. 1 to 3, the supporting device 2 comprises a supporting frame 201, wherein the bottom of the supporting frame 201 is used for being mounted on the top of a shore bridge, and a pulley block 1 is arranged inside the supporting frame 201.

In this embodiment, the pulley block is located at the top of the shore bridge, the bottom of the support frame 201 is also installed at the top of the shore bridge, the pulley block is located in the bottom of the support device 2, the support frame 201 of the support device 2 is located at the top of the position of the pulley block during installation, the bottom of the support frame 201 is in an open structure, the pulley block is covered in the support frame 201, and the components supported by the support device 2 directly act on the pulley block in the vertical direction.

In some embodiments, as shown in fig. 3, the track 3 extends from the inside of the support device 2 to a loading position, the projection of which in the vertical direction avoids the quay bridge; the hoisting mechanism 4 is slidably mounted on the track 3, and the hoisting mechanism 4 is provided with a hook 402 for hoisting the pulley block.

In this embodiment, the pulley block is frequently used in the shore bridge, and needs to be frequently maintained or replaced, while the pulley block is located at the top of the shore bridge and has a large weight, so that the pulley block is difficult to be maintained and replaced directly in an original working position, and the pulley block is hoisted and transported to the ground by the lifting hook 402 of the lifting mechanism 4 through the lifting mechanism 4, so that maintenance or replacement is realized, wherein the track 3 is a movable range of the lifting mechanism 4, namely, a movable range in which the pulley block can move up and down, and the shore bridge is a structure in which multiple beam frames are mutually supported. When the lifting mechanism 4 moves to the unloading position, the unloading position moves downwards, and the projection of the unloading position in the vertical direction avoids the quay bridge, so that the lifting mechanism 4 cannot interfere with the quay bridge in the descending process and can directly reach the ground. In the practical application process, in the projection range of the outer contour of the supporting frame 201 or in the range close to the shore bridge, other supporting beam frames or other components are provided, so that the structure is dense, and therefore, the lifting mechanism 4 and the pulley block are transported to the unloading position through the track 3, the pulley block is prevented from being interfered with other components in the shore bridge in the descending process, and after the pulley block moves to the unloading position, the pulley block can be transported to the ground in a straight line.

In some embodiments, as shown in fig. 3, the track 3 extends in a horizontal direction, one end of the track 3 is fixed to a middle cross member of the support frame 201, and the other end extends outside the outer contour of the support frame 201.

In the embodiment, the working position of the pulley block is at the top end of the shore bridge, the maintenance position of the pulley block is on the ground, and the transportation crane needs to move the pulley block from the working position to the maintenance position; the track 3 extends in the horizontal direction to limit the movement space of the lifting mechanism 4 in the horizontal direction and is used for being responsible for the position movement of the lifting mechanism 4 and the pulley block in the horizontal direction, the position movement of the pulley block in the vertical direction is responsible for the lifting mechanism 4, the movement of the pulley block in the space is divided into the horizontal movement and the vertical movement, and the pulley block is responsible for different components, so that the flexibility of a movement path can be ensured, the shielding in the descending process is avoided, the part with stronger stress bearing capacity in the different components is utilized, and the stability of the transportation process is ensured. In addition, one end of the track 3 is fixedly connected to the middle cross beam of the support frame 201, so that the middle cross beam bears the pressure exerted on the support frame 201 by the track 3, and the stability of the transportation hanging platform is further improved.

In some embodiments, as shown in fig. 3, the track 3 is provided as an arcuate track 3.

In this embodiment the track 3 extends from the inside of the support device 2 to the outside of the projection of the outer contour of the support frame 201, wherein the track 3 is intended to change the direction of extension, whereas the lifting mechanism 4 is slidingly connected in the track 3, moving along the path of the track 3, by changing the direction of extension by means of an arc-shaped track 3, the resistance during sliding can be reduced, mainly in the direction of the track 3 towards the changed position, and in addition it is convenient to arrange uninterrupted driving structures along the track 3, such as built-in driving chains or lifting mechanisms 4 provided with driving wheels, etc.

In some embodiments, as shown in fig. 1 to 3, the supporting device 2 further includes a supporting rod 202, where one end of the supporting rod 202 is connected to the supporting frame 201, and the other end is connected to the track 3.

In this embodiment, one end of the rail 3 is mounted on the supporting frame 201, the supporting frame 201 bears the pressure of the rail 3, the other end of the rail 3 is a free end, for example, the lifting mechanism 4 and the pulley block move to the other end of the rail 3 together, the other end of the rail 3 needs to bear larger stress, and breakage is easy to occur, so that the supporting rod 202 is arranged to apply a tensile force to the rail 3 to counteract the gravity borne by the rail 3, and the bearing capacity of the rail 3 is increased.

In some embodiments, the support rods 202 are provided in plurality, one ends of the plurality of support rods 202 are respectively connected to the connection corners of the plurality of beam frames of the support frame 201, and the other ends of the plurality of support rods 202 are connected to one end of the rail 3 located at the unloading position.

In this embodiment, the support 201 is a beam structure, in which the connection between the beams is a structural corner, and the beams at the same structural corner have a function of supporting each other. One end of the supporting rod 202 is connected at a corner of the structure, the other end of the supporting rod 202 is connected at one end of the track 3, which is positioned at the unloading position, the supporting rod 202 is in an inclined supporting mode relative to the supporting frame 201 and the track 3, so that the stability of a beam frame framework among the supporting frame 201, the supporting rod 202 and the track 3 is better, meanwhile, the arrangement direction and the stress direction of the supporting rods 202 are different, and the gravity born by the track 3 can be decomposed in various directions.

In some embodiments, the lifting mechanism 4 includes a sliding group 401, a lifting hook 402, a lifting rope 403 and a driving part 404, the sliding group 401 is located at the top of the lifting rope 403, and the sliding group 401 includes a plurality of pulleys, and the pulleys are engaged in the track 3 and used for sliding along the track 3; the lifting hook 402 is connected to the bottom of the lifting rope 403; the slide group 401 and the hoist rope 403 are connected to a driving unit 404, and the driving unit 404 is configured to drive the slide of the slide group 401 and the expansion and contraction of the hoist rope 403.

In this embodiment, the track 3 is located at the top of the lifting mechanism 4, defining a movement track of the lifting mechanism 4, a lifting hook 402 and a lifting rope 403 for lifting the pulley block are arranged at the bottom of the lifting mechanism 4, and are used for driving the pulley block to move in the vertical direction, a part of the driving part 404 is connected with the sliding group 401, the sliding group 401 is driven, the sliding group 401 is composed of a group of pulleys, the pulleys are slidably clamped in the track 3 in an array sequence, move along the track 3, and the other part of the driving part 404 is connected with the lifting rope 403, so that the lifting rope 403 is driven to be recovered and released, and the lifting hook 402 is lifted when the lifting rope 403 is recovered; when the hanging rope 403 is paid out, the hanging hook 402 is lowered, and the sliding group 401 moves together with the hanging hook 402, for example, in a state where the hanging hook 402 is connected to the sliding group 401.

In a specific embodiment, the sliding set 401 is a movable pulley engaged in the track 3, and the driving portion 404 drives the lifting mechanism 4 to move by driving the movable pulley to rotate; the hanging rope 403 is wound on a group of rollers, and the driving part 404 rotates through the driving roller, so that the hanging rope 403 wound on the driving part can be wound on the hanging rope to realize rope winding and unwinding.

In a specific embodiment, the driving portion 404 is a motor connected to a movable pulley and a roller.

In some embodiments, the lifting mechanism 4 is an electric hoist.

In this embodiment, the electric hoist has the characteristics of small volume, light dead weight, simple operation, convenient use and the like, and is applied to the transportation hanging table, the sliding group 401 is additionally arranged at the top, and the electric hoist slides along with the sliding group 401 by utilizing the characteristic of light dead weight of the electric hoist, so that the sliding group 401 is saved to do work.

In some embodiments, as shown in fig. 3, the track 3 includes a support section 301, a transition section, and a loading section 302 connected in sequence, the support section 301 being a portion near the support frame 201, the loading section 302 being a portion near the loading position, and an included angle between the support section 301 and the loading section 302 being an obtuse angle.

In this embodiment, the track 3 has a structure with a direction change in the extending length, wherein the direction change is to locate the unloading position outside the projection of the outer contour of the supporting frame 201, so that the angle between the supporting section 301 and the unloading section 302 is an obtuse angle based on the original extending direction, the free end of the track 3 can enter the allowable range of the unloading position, and the sliding resistance of the lifting mechanism 4 is at a relatively small level by using the radian of the track. In practical application, the obtuse angle balances various requirements, on one hand, the end point of the free end of the track 3 enters a preset range, on the other hand, the length of the track 3 meets the requirement of mechanical stability, and on the other hand, the radian of the track meets the requirement of the lifting mechanism 4 on sliding resistance, so that the sliding acting of the lifting mechanism 4 is reduced.

In some embodiments, the angle between the support section 301 and the removal section 302 is 135 °.

According to an embodiment of the present utility model, in another aspect, there is provided a quay crane, including a column and a transport crane, the transport crane being located at a top end of the column.

In this embodiment, the upright is a supporting structure of the shore bridge, and the supporting frame 201 of the transporting crane stand is erected on the top end of the upright, so that the transporting crane stand is arranged on the top of the pulley block, and the pulley block is lifted.

In some embodiments the quay comprises a girder on one side of which the uprights stand, the track 3 extending from a position close to the girder to a position remote from the girder.

In this embodiment, the girder is a structure for realizing container transportation in the quay bridge, the girder is arranged along the direction of the container to be transported, the upright columns are supporting structures of the girder, the upright columns are respectively erected on two sides of the girder, the track 3 on the top end of the upright column extends from a position close to the girder to a position far away from the girder, the pulley block is driven to move to the outside of the girder from the upper position of the girder or from a position with the girder in the vertical direction, and the smooth descent of the pulley block is ensured at the position without the intervention with the girder.

In some embodiments, the pulley block is maintained in the following transportation modes: when the pulley block needs maintenance or replacement, the pulley block is located in the bottom of the supporting device 2, the lifting mechanism 4 is located at one end of the track 3 in the supporting frame 201 and is located at the upper portion of the pulley block, the lifting rope 403 in the lifting mechanism 4 is released, the lifting hook 402 descends, after the lifting hook 402 is connected with the pulley block, the lifting rope 403 contracts, the lifting hook 402 and the pulley block ascend until the lifting hook ascends to a transport height, the sliding group 401 of the lifting mechanism 4 moves along the track 3 until the lifting hook moves to a loading and unloading position, the lifting rope 403 in the lifting mechanism 4 is released, the lifting hook 402 and the pulley block descend along with the lifting rope 403 until the pulley block descends to the ground, and the lifting hook 402 and the pulley block are separated. When the pulley block maintenance is completed or a new pulley block is installed and positioned on the upper part, the lifting hook 402 is connected with the pulley block, the lifting rope 403 is recovered, the lifting hook 402 and the pulley block are lifted to the position of the track 3, the lifting mechanism 4 slides into the supporting frame 201 along the track 3, the lifting rope 403 is released, the lifting hook 402 and the pulley block are lowered to the working position, the lifting hook 402 and the pulley block are separated, the lifting rope 403 is recovered, and the lifting hook 402 is driven to recover to the stop state of the lifting mechanism 4.

Although embodiments of the present utility model have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model as defined by the appended claims.

Claims (10)

1. A transport crane of a quay crane, the transport crane comprising:

the supporting device (2) comprises a supporting frame (201), wherein the bottom of the supporting frame (201) is used for being installed at the top of a shore bridge, and pulley blocks (1) are arranged in the supporting frame (201);

a track (3) extending from the interior of the support frame (201) to a loading position, the projection of the loading position in the vertical direction avoiding the quay bridge;

and the lifting mechanism (4) is slidably mounted on the track (3), and the lifting mechanism (4) is provided with a lifting hook (402) for lifting the pulley block.

2. A transport crane according to claim 1, characterized in that the rail (3) extends in a horizontal direction, one end of the rail (3) being fixed to a middle cross member of the support frame (201) and the other end extending beyond the outer contour of the support frame (201).

3. A transport crane table for a quay crane according to claim 1, wherein the track (3) is provided as an arc-shaped track.

4. A transport crane platform of a quay crane according to claim 1, wherein the support device (2) further comprises:

and one end of the supporting rod (202) is connected with the supporting frame (201), and the other end of the supporting rod is connected with the track (3).

5. The crane platform according to claim 4, wherein the plurality of support rods (202) are provided, one ends of the plurality of support rods (202) are respectively connected to the connection angles of the plurality of beam frames of the support frame (201), and the other ends of the plurality of support rods (202) are connected to one ends of the rails (3) at the unloading position.

6. A transport crane platform for a quay crane according to claim 1, wherein the lifting mechanism (4) comprises:

a lifting rope (403), the lifting hook (402) being connected to the bottom of the lifting rope (403);

the sliding group (401) is positioned at the top of the lifting rope (403), and comprises a plurality of pulleys, and the pulleys are clamped in the track (3) and used for sliding along the track (3);

and a driving part (404), wherein the sliding group (401) and the lifting rope (403) are connected with the driving part (404), and the driving part (404) is used for driving the sliding of the sliding group (401) and the retraction of the lifting rope (403).

7. A transport crane platform for a quay crane according to claim 1, wherein the lifting mechanism (4) is an electric hoist.

8. A transport crane according to claim 2, wherein the track (3) comprises a support section (301), a transition section and a loading section (302) connected in sequence, the support section (301) being a part close to the support frame (201), the loading section (302) being a part close to the loading position, the angle between the support section and the loading section being an obtuse angle.

9. A quay bridge, comprising:

a transport crane deck for a quay crane according to any one of claims 1 to 8;

and the transportation hanging table is positioned at the top end of the upright post.

10. A quay according to claim 9, wherein the quay comprises a girder, the upright being located on one side of the girder, the track (3) extending from a position close to the girder to a position remote from the girder.