CN220926215U - Equipment for turning over large hatch cover - Google Patents

Abstract

The application relates to equipment for turning over a large hatch cover, which belongs to the technical field of container ship manufacturing and comprises a turning over device, wherein the turning over device comprises a turning over seat, an opening part for partially accommodating the end part of the hatch cover is arranged on the turning over seat, and an arc surface for supporting the hatch cover to turn over is arranged on the turning over seat; the tensioning device is arranged between the turning seat and the hatch cover, and the tensioning device enables the turning seat to be fixed or separated from the hatch cover by adjusting extrusion force between the turning seat and the hatch cover. Therefore, a plurality of turning-over seats can be installed at the end part of the hatch cover by using the tensioning device, the arc surface of the turning-over seats is utilized to realize single-side lifting of the hatch cover and turning over for the turning-over supporting surface, the burden on a traveling crane and a sling tool is reduced, the inertial impact on the traveling crane is small, the turning-over operation safety is high, the risk of structural deformation of the hatch cover can be reduced, and the turning-over of the large hatch cover in a workshop in most of construction workshops can be met.

Description

Equipment for turning over large hatch cover

Technical Field

The application relates to the technical field of container ship manufacturing, in particular to equipment for turning over a large hatch cover.

Background

A container ship refers to a cargo ship dedicated to carrying containers. The appearance is slim, single deck, and the cargo hatch is in double or three rows, is the grid structure in the cabin, comprises post, horizontal standard material and guide rail etc. and is both convenient for load. But also can prevent the container from collapsing. While the hatch size fits the container size. The hatch adopts a large hatch cover to realize opening and closing of the hatch.

In the related art, there is a general problem in that a large hatch cover is difficult to turn over during construction, for example, a large hatch cover having a size of 13m×11m×0.9m has a weight of about 29t. In a conventional construction shop, the tonnage of the crane is 32t, and the effective hoisting height is 15.5m. By using a conventional method for turning over in the air after lifting, the operation height is easy to be limited, the inertial impact force is large during the turning over in the air, the crane is easy to overload, the sling is damaged, and certain potential safety hazard exists.

Therefore, it is necessary to provide a device for turning over the large hatch cover, so as to solve the problem of difficult turning over construction of the large hatch cover.

Disclosure of Invention

The embodiment of the application provides equipment for turning over a large hatch cover, which aims to solve the problem that the turning over construction of the large hatch cover is difficult due to large weight and large volume in the related technology.

The embodiment of the application provides equipment for turning over a large hatch cover, which comprises the following components:

The turning device comprises a turning seat, an opening part for partially accommodating the end part of the hatch cover is arranged on the turning seat, and an arc surface for supporting the hatch cover to turn is arranged on the turning seat;

The tensioning device is arranged between the turning seat and the hatch cover, and the tensioning device enables the turning seat to be fixed or separated from the hatch cover by adjusting extrusion force between the turning seat and the hatch cover.

In some embodiments, the tensioning device comprises a guy cable arranged between the turning seat and the hatch cover, and a pulling mechanism for adjusting the tensioning force of the guy cable.

In some embodiments, the tensioning device further comprises a sensor that detects the cable tension.

In some embodiments, the tensioning device is a chain block, and two ends of the chain block are respectively connected to the turning seat and the hatch cover through hooks.

In some embodiments, the tensioning device is an electromagnet arranged on the turning seat, and the electromagnet attracts the hatch cover through magnetic force so that the opening part of the turning seat is tightly attached to the hatch cover.

In some embodiments, the turning device further comprises a crane for lifting the hatch cover, a skid for supporting the hatch cover, and a limiting seat in sliding connection with the turning seat.

In some embodiments, the turning seat comprises a circular plate, a groove penetrating through two sides of the circular plate is formed in the circumferential surface of the circular plate, and an arc plate is welded on the circumferential surface of the circular plate.

In some embodiments, the inner wall of the groove is welded with a first locating plate respectively located at the upper side and the lower side of the hatch cover, and a second locating plate which is in contact with the end face of the hatch cover and welded between the first locating plates at the two sides.

In some embodiments, stiffening plates are fixed between the circular arc plate and the circular arc plate, and the stiffening plates are distributed at intervals along the extending direction of the concave cambered surface of the circular arc plate, and hanging holes for connecting the tensioning device are formed in the stiffening plates.

In some embodiments, a soft pad facing the hatch cover is disposed on each of the first and second positioning.

The technical scheme provided by the application has the beneficial effects that:

The embodiment of the application provides equipment for turning over a large hatch cover, which comprises a turning over seat, wherein the turning over seat is provided with an opening part for partially accommodating the end part of the hatch cover, and is provided with an arc surface for supporting the hatch cover to turn over; the tensioning device is arranged between the turning seat and the hatch cover, and the tensioning device enables the turning seat to be fixed or separated from the hatch cover by adjusting extrusion force between the turning seat and the hatch cover.

Therefore, a plurality of turning seats can be arranged at the end part of the hatch cover by using the tensioning device, then the arc surface of the turning seats is used as a turning supporting surface to realize single-side lifting of the hatch cover and turning, compared with the method of air turning after lifting in the prior art, the turning mode has low requirement on space height, partial weight of the hatch cover is transferred to the ground through the turning seats to bear, the burden on a crane and a hoist is reduced, meanwhile, the hatch cover rolls and turns by using the arc surface of the turning seats, the turning process is continuous and stable, the inertia impact on the crane is small, the turning operation safety is high, the risk of structural deformation of the hatch cover can be reduced, and the turning in workshops of large hatch covers in most construction workshops can be met.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of the present application;

FIG. 2 is a schematic view of a tensioning device according to an embodiment of the present application;

FIG. 3 is a schematic view of a turnover seat according to an embodiment of the present application;

FIG. 4 is a schematic view of the right-hand cross-sectional structure of FIG. 3 at A-A;

FIG. 5 is a schematic diagram illustrating a clockwise flipped hatch cover according to an embodiment of the present application;

Fig. 6 is a schematic diagram of an embodiment of the application with a hatch cover turned 90 °.

In the drawings, the list of components represented by the various numbers is as follows:

100. a hatch cover;

200. A turning seat; 210. an opening portion; 220. an arc surface; 201. a circular plate; 202. a groove; 203. an arc plate; 204. a first positioning plate; 205. a second positioning plate; 206. stiffening plates; 207. a hanging hole; 208. a soft backing plate;

300. a tensioning device; 310. a guy cable; 320. a pulling mechanism;

400. A crane; 500. a skid; 600. and a limiting seat.

Detailed Description

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

The embodiment of the application provides equipment for turning over a large hatch cover, which can solve the problem of difficult turning over construction of the large hatch cover caused by large weight and large volume in the related technology.

Referring to fig. 1 to 6, an embodiment of the present application provides a device for turning over a large hatch cover, including:

The turning device comprises a turning seat 200, an opening 210 for partially accommodating the end part of the hatch cover 100 is arranged on the turning seat 200, and an arc surface 220 for supporting the hatch cover 100 to turn is arranged on the turning seat 200;

And a tensioning device 300, the tensioning device 300 being disposed between the roll-over stand 200 and the hatch 100, the tensioning device 300 fixing or detaching the roll-over stand 200 from the hatch 100 by adjusting a pressing force between the roll-over stand 200 and the hatch 100.

The turning device of the large hatch cover turning equipment comprises a turning seat 200, wherein an opening part 210 for partially accommodating the end part of the hatch cover 100 is arranged on the turning seat 200, and an arc surface 220 for supporting the hatch cover 100 to turn is arranged on the turning seat 200; the tightening device 300 is provided between the roll-over stand 200 and the hatch 100, and the tightening device 300 fixes or separates the roll-over stand 200 from the hatch 100 by adjusting a pressing force between the roll-over stand 200 and the hatch 100.

Illustratively, the turning seat 200 is mounted at the end of the hatch cover 100 by using the opening 210, and the turning seat 200 is fixed on the hatch cover 100 by using the tensioning device 300, by mounting a plurality of turning seats 200 at one end of the hatch cover 100, the turning seat 200 is lifted away from one end of the turning seat 200 by a crane, and simultaneously, the single-side lifting and turning of the hatch cover 100 are realized by using the arc surface 220 of the turning seat 200 as a turning support surface.

Compared with the method of aerial turning after lifting in the prior art, the turning mode of the application has low requirement on space height, and part of the weight of the hatch cover 100 is transferred to the ground for bearing through the turning seat 200, thus reducing the burden on travelling crane and sling;

Meanwhile, the hatch cover 100 rolls and overturns by utilizing the arc surface 220 of the overturning seat 200, the overturning process is continuous and stable, the inertia impact on a traveling crane is small, the overturning operation safety is high, the risk of structural deformation of the hatch cover 100 can be reduced, and the overturning of large hatch covers in workshops in most construction workshops can be met. That is, in a conventional construction shop, when the tonnage of the traveling crane is 32t and the effective lifting height is 15.5m, a large hatch cover having a size of 13m×11m×0.9m and a weight of about 29t can be turned over in the shop.

In some alternative embodiments: referring to fig. 1 to 2, an embodiment of the present application provides a large-sized hatch cover turning apparatus, a tensioning device 300 of which includes a stay 310 provided between a turning seat 200 and a hatch cover 100, and a pulling mechanism 320 adjusting a tension of the stay 310.

The tensioning device 300 of the embodiment of the application comprises the inhaul cable 310 arranged between the turning seat 200 and the hatch cover 100 and the traction mechanism 320 for adjusting the tensioning force of the inhaul cable 310, and the turning seat 200 is fixed on the hatch cover 100 in a tensioning mode, so that the connection in a bolt connection or welding mode can be avoided, the risk of structural deformation of the hatch cover 100 is reduced, and meanwhile, the installation is convenient and quick.

The pulling mechanism 320 is a tensioner, two ends of the tensioner are connected with a pull rope 310, one end of the pull rope 310 away from the tensioner is connected to the turnover seat 200 and the hatch cover 100 through hooks, the tensioner is used for fixing the turnover seat 200 on the hatch cover 100 by pulling the pull rope 310 on two sides, displacement between the turnover seat 200 and the hatch cover 100 when the hatch cover 100 is turned over can be avoided, and safety when the hatch cover 100 is turned over is ensured.

In some alternative embodiments: referring to fig. 1 to 2, an embodiment of the present application provides a large-sized hatch cover turning apparatus, the tension device 300 of which further includes a sensor for detecting tension of the stay cable 310.

The tensioning device 300 of the embodiment of the application further comprises a sensor, wherein the sensor can detect the tensioning force of the inhaul cable 310, and can avoid deformation of the connecting part caused by overlarge tensioning force of the inhaul cable 310.

Illustratively, the pulling mechanism 320 is a tensioner, two ends of the tensioner are connected with a pulling rope 310, one end of the pulling rope 310 away from the tensioner is connected to the turning seat 200 and the hatch cover 100 through a hook, and a sensor is connected between the hook and the pulling rope 310, so as to detect the pulling force of the pulling rope 310 when the tensioner pulls the pulling rope 310.

In some alternative embodiments: referring to fig. 1 to 2, an embodiment of the present application provides a large-sized hatch cover turning apparatus, wherein a tensioning device 300 of the large-sized hatch cover turning apparatus is a chain block, and both ends of the chain block are respectively connected to a turning seat 200 and a hatch cover 100 through hooks.

The tensioning device 300 of the embodiment of the application is a chain block, two ends of the chain block are respectively connected to the turning seat 200 and the hatch cover 100 through hooks, the chain block is simple to mount and dismount, and the turning seat 200 can be quickly fixed on the hatch cover 100 by matching with the opening 210 of the turning seat 200.

In some alternative embodiments: referring to fig. 1 to 2, an embodiment of the present application provides a large-sized hatch cover turning apparatus, in which a tensioning device 300 is an electromagnet provided on a turning seat 200, and the electromagnet attracts a hatch cover 100 by magnetic force to make an opening 210 of the turning seat 200 closely adhere to the hatch cover 100.

The tensioning device 300 of the embodiment of the application is an electromagnet arranged on the turnover seat 200, the electromagnet attracts the hatch cover 100 through magnetic force to enable the opening 210 of the turnover seat 200 to be tightly attached to the hatch cover 100, specifically, the electromagnet can be arranged inside the turnover seat 200, the electromagnet attracts the hatch cover 100 after generating magnetic force through electrification control magnetic force, so that the hatch cover 100 extrudes the inner wall of the opening 210 of the turnover seat 200, the turnover seat 200 is fixed on the hatch cover 100, displacement between the hatch cover 100 and the turnover seat 200 is avoided when the hatch cover 100 is turned over, and safety when the hatch cover 100 is turned over is ensured. The turnover seat 200 is convenient to use, can be quickly and fixedly installed on the hatch cover 100, does not need to be additionally provided with other fastening components for fixed connection, and can greatly reduce the risk of structural deformation of the hatch cover 100.

In some alternative embodiments: referring to fig. 1 to 6, an embodiment of the present application provides a large-sized hatch cover turning apparatus, which further includes a crane 400 lifting the hatch cover 100, a skid 500 supporting the hatch cover 100, and a stopper 600 slidably coupled with the turning seat 200.

The turning device of the embodiment of the application further comprises a crane 400 for hoisting the hatch cover 100, a skid 500 for supporting the hatch cover 100 and a limiting seat 600 in sliding connection with the turning seat 200, specifically, the crane 400 preferably adopts a crane, the crane is in a portal structure, and the hatch cover 100 can be hoisted and simultaneously turned over by driving the hatch cover 100 to horizontally move; the skid 500 can support the hatch cover 100, so that the construction surface of the hatch cover 100 is prevented from sliding and bumping with the ground of a construction workshop; the limiting seat 600 is matched with the turning seat 200, so that the turning seat 200 becomes a rotation center when the hatch cover 100 is turned over, and stability when the hatch cover 100 is turned over can be ensured.

Illustratively, the limiting seat 600 may be composed of two parallel steel beams arranged at intervals, and the steel beams are welded at positions corresponding to the turning-over areas of the construction workshop, so that the turning-over seat 200 is arranged between the two steel beams, and when the turning-over is ensured, the turning-over seat 200 rotates along the center line of the turning-over seat 200, thereby ensuring the stability of the hatch cover 100 when the turning-over is ensured.

In some alternative embodiments: referring to fig. 1 to 4, an embodiment of the present application provides a large-sized hatch cover turning-over apparatus, a turning-over seat 200 of which includes a circular plate 201, a groove 202 penetrating both sides of the circular plate 201 is provided on a circumferential surface of the circular plate 201, and an arc plate 203 is welded on the circumferential surface of the circular plate 201.

The turning seat 200 in the embodiment of the application comprises a circular plate 201, a groove 202 penetrating through two sides of the circular plate 201 is arranged on the circumferential surface of the circular plate 201, an arc plate 203 is welded on the circumferential surface of the circular plate 201, specifically, the groove 202 forms an opening 210 for accommodating the hatch cover 100, an outer arc surface 220 of the arc plate 203 serves as a supporting surface when the hatch cover 100 is turned over, and a plurality of circular plates 201 with grooves 202 can be welded on the arc plate 203 to ensure stable supporting of the hatch cover 100 during turning over.

In some alternative embodiments: referring to fig. 1 to 4, an embodiment of the present application provides a large-sized hatch cover turning apparatus, in which first positioning plates 204 respectively located at upper and lower sides of a hatch cover 100 are welded to an inner wall of a groove 202 of the large-sized hatch cover turning apparatus, and second positioning plates 205 contacting an end surface of the hatch cover 100 and welded between the first positioning plates 204 at both sides.

The inner walls of the grooves 202 in the embodiment of the present application are welded with the first positioning plates 204 respectively located at the upper and lower sides of the hatch cover 100, and the second positioning plates 205 contacting the end surfaces of the hatch cover 100 and welded between the first positioning plates 204 at both sides, specifically, the first positioning plates 204 and the second positioning plates 205 may contact the hatch cover 100 when being installed, the contact area between the first positioning plates 204 and the second positioning plates 205 and the hatch cover 100 is increased, the stress concentration caused by the contact between the hatch covers 100 and the circular plate 201 is avoided, and the deformation risk of the surface structure of the hatch cover 100 is reduced.

In some alternative embodiments: referring to fig. 1 to 4, an embodiment of the present application provides a large hatch cover turning device, wherein stiffening plates 206 are fixed between a circular arc plate 203 and a circular plate 201 of the large hatch cover turning device, the stiffening plates 206 are distributed at intervals along the extending direction of the concave arc surface of the circular arc plate 203, and hanging holes 207 connected with a tensioning device 300 are formed in the stiffening plates 206.

Stiffening plates 206 which are distributed at intervals along the extending direction of the concave cambered surface of the circular arc plate 203 are fixed between the circular arc plate 203 and the circular arc plate 201, hanging holes 207 for connecting the tensioning device 300 are formed in the stiffening plates 206, specifically, the stiffening plates 206 are respectively welded with the circular arc plate 203 and the circular arc plate 201, so that the connecting strength between the circular arc plate 203 and the circular arc plate 201 can be increased, the deformation resistance of the turning seat 200 is improved, and meanwhile, hanging holes 207 are formed in the stiffening plates 206, so that the tensioning device 300 can be conveniently and rapidly hung.

In some alternative embodiments: referring to fig. 3, an embodiment of the present application provides a large hatch cover turning apparatus, in which a soft pad 208 facing a hatch cover 100 is provided on both a first location and a second location of the large hatch cover turning apparatus.

The first positioning and the second positioning of the embodiment of the present application are both provided with the cushion plate 208 facing the hatch cover 100, specifically, the cushion plate 208 may be a rubber plate, and the rubber plate may play a role in protecting the surface of the hatch cover 100 when the turnover seat 200 is installed.

Referring to fig. 1 to 6, an embodiment of the present application specifically provides a method for turning over a large hatch cover, where the method uses any one of the above devices for turning over a large hatch cover, and the method includes:

s1, arranging a skid 500 and a limiting seat 600 according to the size of a hatch cover 100;

S2, horizontally hoisting the hatch cover 100 to the skid 500 by using the crane 400;

s3, mounting the turning seat 200 on the hatch cover 100 and enabling the turning seat 200 to be positioned on the limiting seat 600;

S4, fixing the turning seat 200 on the hatch cover 100 by using the tensioning device 300;

S5, slowly lifting one end of the hatch cover 100 far away from the turning seat 200 by using the crane 400, and after the hatch cover 100 rotates by 90 degrees, continuing to slowly travel until the hatch cover 100 finishes 180-degree turning;

S6, dismantling the tensioning device 300, and hanging away from the turning seat 200.

The method specifically uses more than two sets of turning seats 200; the crane 400 adopts 32t crane, and the number of the crane is 2, and the crane is used for hoisting and turning over operation; a plurality of lifting rigging for lifting and turning over operation; the tensioning device 300 adopts four 5t chain blocks, and two chain blocks are symmetrically arranged on each turning seat 200 and used for fixing the turning seat 200; a plurality of skids 500 for adjusting the position of the hatch cover 100 and locating the hatch cover; the limiting seat 600 is matched with the turning seat 200, so that the turning seat 200 becomes a rotation center.

The method for overturning the hatch cover 100 has high safety in overturning operation, can reduce the risk of structural deformation of the hatch cover 100, and can meet the requirement of overturning in workshops of large hatch covers in most construction workshops.

In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that in the present application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is only a specific embodiment of the application to enable those skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. Equipment for turning over a large hatch cover, which is characterized by comprising:

The turning device comprises a turning seat (200), an opening (210) for partially accommodating the end part of the hatch cover (100) is arranged on the turning seat (200), and an arc surface (220) for supporting the hatch cover (100) to turn is arranged on the turning seat (200);

the tensioning device (300) is arranged between the turning seat (200) and the hatch cover (100), and the tensioning device (300) enables the turning seat (200) to be fixed or separated from the hatch cover (100) by adjusting extrusion force between the turning seat (200) and the hatch cover (100).

2. The large hatch cover turning-over apparatus of claim 1, wherein:

The tensioning device (300) comprises a guy rope (310) arranged between the turnover seat (200) and the hatch cover (100), and a pulling mechanism (320) for adjusting the tensioning force of the guy rope (310).

3. The large hatch cover turning-over apparatus according to claim 2, wherein:

The tensioning device (300) further comprises a sensor for detecting the tensioning force of the guy cable (310).

4. The large hatch cover turning-over apparatus of claim 1, wherein:

The tensioning device (300) is a chain block, and two ends of the chain block are respectively connected to the turning base (200) and the hatch cover (100) through hooks.

5. The large hatch cover turning-over apparatus of claim 1, wherein:

The tensioning device (300) is an electromagnet arranged on the turnover seat (200), and the electromagnet attracts the hatch cover (100) through magnetic force so that the opening part (210) of the turnover seat (200) is tightly attached to the hatch cover (100).

6. The large hatch cover turning-over apparatus of claim 1, wherein:

The turning device further comprises a crane (400) for hoisting the hatch cover (100), a skid (500) for supporting the hatch cover (100) and a limiting seat (600) which is in sliding connection with the turning seat (200).

7. The large hatch cover turning-over apparatus of claim 1, wherein:

The turning seat (200) comprises a circular plate (201), grooves (202) penetrating through two sides of the circular plate (201) are formed in the circumferential surface of the circular plate (201), and arc plates (203) are welded on the circumferential surface of the circular plate (201).

8. The large hatch cover turning-over apparatus of claim 7, wherein:

The inner wall of the groove (202) is welded with a first locating plate (204) which is respectively positioned at the upper side and the lower side of the hatch cover (100), and a second locating plate (205) which is contacted with the end face of the hatch cover (100) and welded between the first locating plates (204) at the two sides.

9. The large hatch cover turning-over apparatus of claim 8, wherein:

Stiffening plates (206) which are distributed at intervals along the extending direction of the concave cambered surface of the circular arc plate (203) are fixed between the circular arc plate (203) and the circular arc plate (201), and hanging holes (207) which are connected with the tensioning device (300) are formed in the stiffening plates (206).

10. The large hatch cover turning-over apparatus of claim 8, wherein:

The first positioning and the second positioning are provided with cushion plates (208) facing the hatch cover (100).