Temporary positioning gantry for thin-plate section outfitting of large cruise ships

Abstract

The present invention relates to the field of ship accessories lifting tools, and specifically discloses a temporary positioning gantry for thin-plate segmented outfitting parts of large cruise ships, including a gantry, a lifting mechanism is arranged below the gantry, a positioning mechanism is arranged below the lifting mechanism, the positioning mechanism includes four workpiece limiting connecting rods, and the four workpiece limiting connecting rods are connected in a staggered manner, a limiting ratchet is installed inside the ratchet mounting groove, a pawl is installed on one side of the limiting ratchet through an elastic rotating shaft, and a ratchet is arranged on the inner side of the workpiece limiting connecting rod. By setting the four workpiece limiting connecting rods to be connected in a staggered manner, when a force is applied to the four workpiece limiting connecting rods at the same time, the workpiece limiting connecting rods are adjusted to move inside the corresponding positioning sleeves, so as to ensure the limiting clamping effect on the pipeline workpiece, and the workpiece limiting connecting rods can be prevented from resetting under the action of the pawl, which will cause the lifted component to fall.

Description

Technical Field

[0001] The invention relates to the field of ship fitting lifting tools, in particular to a temporary positioning gantry for thin-plate segmented outfitting parts of a large cruise ship. Background Art

[0002] Large cruise ships usually have more than 400 thin plate sections, on which a large number of outfitting parts and pipe fittings need to be installed. For some parts weighing more than 1 ton, cranes are used to install and position them; some parts weigh tens to hundreds of kilograms, which makes them difficult to move, assemble and position on site. In addition, the outfitting parts and pipe fittings of the thin plate sections of large cruise ships need to be moved and adjusted during installation, and the positioning height and positioning accuracy need to be adjusted during positioning. Due to limited crane resources on site, the installation and positioning of outfitting parts are difficult, and it is difficult to construct them solely by manpower. As there are no lifting holes on the surface of pipe fittings, it is inconvenient to use the lifting device to pass through the inside of the pipe fittings during lifting when it needs to be connected to the installation holes. Summary of the invention

[0003] In view of the existing problems, the present invention provides a temporary positioning gantry for thin-plate segmented outfitting parts of a large cruise ship. The device can be used in conjunction with other devices to effectively solve the problems raised in the background technology.

[0004] To solve the above problems, the present invention adopts the following technical solutions:

[0005] A temporary positioning portal frame for thin-plate segmented outfitting parts of a large cruise ship includes a gantry, a lifting mechanism is arranged below the gantry, a positioning mechanism is arranged below the lifting mechanism, the positioning mechanism includes four workpiece limiting connecting rods, and the four workpiece limiting connecting rods are connected in a staggered manner, a positioning sleeve is installed at one end of the workpiece limiting connecting rod, a ratchet mounting groove is provided on the inner side of the positioning sleeve near the workpiece limiting connecting rod, a limiting ratchet is installed inside the ratchet mounting groove, a pawl is installed on one side of the limiting ratchet through an elastic rotating shaft, the upper end of the elastic rotating shaft is located on the upper surface of the workpiece limiting connecting rod and a reset knob is installed, and a ratchet is provided on the inner side of the workpiece limiting connecting rod.

[0006] As a further solution of the present invention: the lifting mechanism includes an electric hoist and a lifting rope, and the lower end of the lifting rope is located on the upper surface of the positioning sleeve and is equipped with a lifting ring.

[0007] As a further solution of the present invention: a positioning lamp is installed at the lower end of the electric hoist, a convex lens is arranged inside the positioning lamp, a plane optical glass is arranged inside the positioning lamp below the convex lens, and installation slots are arranged on the outer sides of the convex lens and the plane optical glass inside the positioning lamp.

[0008] As a further solution of the present invention: a support frame is installed on the lower surface of the gantry, a base is installed at the lower end of the support frame, and storage grooves are provided on both sides of the support frame and the base.

[0009] As a further solution of the present invention: an extension bracket is arranged inside the storage groove, an elastic rotating shaft is installed between the extension bracket and the base, and a reinforcement suction cup is installed on the lower surface of the extension bracket.

[0010] As a further solution of the present invention: the position-limiting ratchet is meshed and connected with the ratchet teeth, and the pawl is meshed and connected with the position-limiting ratchet.

[0011] As a further solution of the present invention: the reset knob is fixedly connected to the elastic rotating shaft, and the four workpiece limiting connecting rods are all components with the same structure.

[0012] As a further solution of the present invention: the convex lens is made of a lens with a larger curvature radius.

[0013] As a further solution of the present invention: the extension bracket is rotatably connected to the base via the elastic shaft.

[0014] As a further solution of the present invention: the ratchet is fixedly connected to the workpiece limiting connecting rod.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The four workpiece limit links are connected in an end-to-end staggered manner, and the positioning sleeve is used to limit the installation of another workpiece limit link. When the force is applied to the four workpiece limit links at the same time, the workpiece limit links are adjusted to move inside the corresponding positioning sleeves to ensure the limit clamping effect on the pipeline workpiece. Under the action of the ratchet, the reset of the workpiece limit link can be prevented, which will cause the lifted component to fall.

[0017] 2. When it is necessary to control the reset of the workpiece limit link, torque is applied to the reset knob to disconnect the limiting effect of the pawl on the limit ratchet, so that the reset movement of the four workpiece limit links can be achieved to increase the inner diameter of the positioning mechanism to clamp and install different workpieces.

[0018] 3. After parallel light is incident on the inner surface of the spherical surface of the convex lens, a circle of concentric circular light rings can be emitted through the plane optical glass under the action of reflection and refraction. The center of the circle of the lifted tubular workpiece and the required installation hole position are determined according to the light ring, avoiding the need for multiple positioning to achieve the installation of the workpiece.

[0019] 4. By arranging lifting rings above the four positioning sleeves, the distances between the four lifting rings can be kept consistent when the four positioning sleeves are moved, and the stability of the lifting of the positioning mechanism by the lifting rope can be ensured.

[0020] 5. By utilizing the extension bracket to rotate inside the storage slot, the reinforcement suction cup and the hull clamp are adsorbed, thereby increasing the lifting stability of the entire lifting frame. When the center of gravity of the lifted workpiece shifts, the entire device can be prevented from collapsing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Schematic diagram of the structure in the temporary positioning gantry for thin-plate section outfitting of large cruise ships;

[0022] Figure 2 This is a schematic diagram of the structure of the positioning mechanism in the temporary positioning gantry of the thin plate section outfitting parts of a large cruise ship;

[0023] Figure 3 A partial cross-sectional view of the workpiece limit connecting rod in the temporary positioning gantry for the thin-plate segment outfitting parts of a large cruise ship;

[0024] Figure 4 Schematic diagram of the structure of the temporary positioning of the portal frame mid-bracket for the thin-plate segmented outfitting of a large cruise ship;

[0025] Figure 5 Schematic diagram of the internal structure of the positioning lamps in the temporary positioning gantry of the thin plate section outfitting of a large cruise ship;

[0026] Figure 6 Diagram of the light formation in the gantry for temporary positioning of thin-plate section outfitting for large cruise ships.

[0027] In the figure: 1. gantry; 2. support frame; 3. base; 4. electric hoist; 5. positioning mechanism; 6. lifting rope; 7. storage slot; 8. extension bracket; 9. reinforcement suction cup; 10. elastic shaft; 11. positioning lamp; 12. convex lens; 13. flat optical glass; 14. mounting slot; 501. workpiece limiting connecting rod; 502. lifting ring; 503. positioning sleeve; 504. reset knob; 505. ratchet; 506. limiting ratchet; 507. pawl; 508. ratchet mounting slot. DETAILED DESCRIPTION

[0028] The present invention is further described below in conjunction with specific inventions, and the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the protection scope of the present invention.

[0029] In the description of this specification, the description with reference to the terms "this embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example, and the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0030] like Figure 1-3 As shown, this embodiment provides a temporary positioning gantry for thin-plate segmented outfitting parts of a large cruise ship, including a lifting mechanism and a positioning mechanism 5. The positioning mechanism 5 includes four workpiece limiting connecting rods 501. The four workpiece limiting connecting rods 501 are components with the same size and structure. A positioning sleeve 503 is installed at one end of the workpiece limiting connecting rod 501. The four workpiece limiting connecting rods 501 are connected in an end-to-end staggered manner. The positioning sleeve 503 is used to limit the position of another workpiece limiting connecting rod 501. The inner side of the positioning sleeve 503 is located near the workpiece limiting connecting rod 501 and is provided with a ratchet mounting groove 508. A limiting ratchet 506 is installed inside the ratchet mounting groove 508. A pawl 507 is installed on one side of the limiting ratchet 506 through an elastic rotating shaft. The upper end of the elastic rotating shaft is located on the upper surface of the workpiece limiting connecting rod 501 and is provided with a reset knob 504. A ratchet 505 is provided on the inner side of the workpiece limiting connecting rod 501. The limiting ratchet 506 is meshed with the ratchet 505. Then, the pawl 507 is meshed with the limiting ratchet 506. When one of the workpiece limiting links 501 is controlled to push inside the positioning sleeve 503, the ratchet 505 on the inner side of the workpiece limiting link 501 and the limiting ratchet 506 are meshed and rotated. When the limiting ratchet 506 rotates, the pawl 507 swings. Therefore, by simultaneously pushing the four workpiece limiting links 501 to slide inside the positioning sleeve 503, the four workpiece limiting links 501 are reduced. The inner diameter of the limiting ring formed by the workpiece limiting link 501 can prevent the reset of the workpiece limiting link 501, which may cause the lifted component to fall. When it is necessary to control the reset of the workpiece limiting link 501, torque is applied to the reset knob 504 to disconnect the limiting effect of the pawl 507 on the limiting ratchet 506, so that the reset movement of the four workpiece limiting links 501 can be realized to increase the inner diameter of the positioning mechanism 5.

[0031] like Figure 1 , 5As shown, the lifting mechanism includes an electric hoist 4 and a lifting rope 6. The lower end of the lifting rope 6 is located on the upper surface of the positioning sleeve 503 and is equipped with a lifting ring 502. When lifting, the lifting rope 6 and the lifting rings 502 on the upper surfaces of the four positioning sleeves 503 can be used to fix them. When the four positioning sleeves 503 are moved, the distances between the four lifting rings 502 can be kept consistent. When the electric hoist 4 controls the lifting rope 6 to be wound and relaxed, the stability of the lifting of the positioning mechanism 5 by the lifting rope 6 can be ensured. The electric hoist 4 can slide left and right on the gantry 1. When the positioning mechanism 5 completes the limiting of the workpiece and lifts it, the positioning mechanism 5 can be pushed to drive the workpiece to move. A positioning lamp 11 is installed at the lower end of the electric hoist 4. A convex lens 12 is arranged inside the positioning lamp 11. The mirror 12 is made of a lens with a large curvature radius. A plane optical glass 13 is arranged below the convex lens 12 and located inside the positioning lamp 11. The outer sides of the convex lens 12 and the plane optical glass 13 are both arranged inside the positioning lamp 11 with mounting slots 14. Parallel light is incident on the inner surface of the spherical surface of the convex lens 12, and a part of it is reflected; the other part is refracted into the air between the convex lens 12 and the plane optical glass 13, and then reflected by the plane optical glass 13 and refracted by the spherical surface of the convex lens 12, and then returns to the inner spherical surface to interfere with the reflected light from the inner spherical surface before, thereby realizing a circle of concentric circular light rings. The center of the lifted tubular workpiece and the required installation hole are determined according to the light rings for positioning, avoiding the need for multiple positioning to achieve the installation of the workpiece.

[0032] like Figure 1 , 4 As shown, a support frame 2 is installed on the lower surface of the gantry 1, and a base 3 is installed at the lower end of the support frame 2. Storage grooves 7 are opened on both sides of the support frame 2 and the base 3. An extension bracket 8 is arranged inside the storage groove 7. An elastic rotating shaft 10 is installed between the extension bracket 8 and the base 3. The extension bracket 8 is rotatably connected to the base 3 through the elastic rotating shaft 10. A reinforcement suction cup 9 is installed on the lower surface of the extension bracket 8. By utilizing the extension bracket 8 to rotate inside the storage groove 7, the reinforcement suction cup 9 and the splint of the hull are adsorbed, thereby increasing the lifting stability of the entire lifting frame. When the center of gravity of the lifted workpiece is offset, the entire device can be prevented from collapsing.

[0033] The working principle of the present invention is: when in use, the positioning lamp 11 is first controlled to work, and the parallel light emitted by the positioning lamp 11 is incident on the inner surface of the spherical surface of the convex lens 12, and a part of it is reflected; the other part is refracted into the air between the convex lens 12 and the plane optical glass 13, and then reflected by the plane optical glass 13 and refracted by the spherical surface of the convex lens 12 to return to the inner spherical surface to form interference with the reflected light from the previous inner spherical surface, thereby realizing a circle of concentric circular halo, and the positioning mechanism 5 is integrally sleeved on the outer side of the workpiece to be lifted, and a force is applied to the four workpiece limit connecting rods 501 at the same time, and the workpiece limit connecting rods 501 are adjusted to move inside the corresponding positioning sleeves 503, and the ratchet 505 on the inner side of the workpiece limit connecting rod 501 and the limit ratchet 506 are meshed and rotated, and the limit ratchet 506 will cause the pawl 507 to swing when rotating, so that the four workpiece limit connecting rods 501 can be moved toward the same direction. When moving in the direction of approaching each other, it plays a one-way limiting role, which can ensure that the four workpiece limit links 501 can realize the clamping effect on workpieces of different outer diameters, and under the action of the concentric circular halo formed, the clamping position of the workpiece is determined, and the workpiece and the installation hole can be conveniently installed according to the action of the concentric circular halo. When it is necessary to control the reset of the workpiece limit link 501, the torque is applied to the reset knob 504 to disconnect the limiting effect of the pawl 507 on the limiting ratchet 506, so that the reset movement of the four workpiece limit links 501 can be realized to increase the inner diameter size of the positioning mechanism 5 to achieve clamping of other workpieces. By using the extension bracket 8 to rotate inside the storage groove 7, the reinforcement suction cup 9 and the splint of the hull are adsorbed, thereby increasing the lifting stability of the entire lifting frame, and when the center of gravity of the lifted workpiece is offset, the entire device can be prevented from collapsing.

[0034] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A temporary positioning gantry for thin-plate segmented outfitting parts of a large cruise ship, comprising a gantry (1), characterized in that: A lifting mechanism is provided below the gantry (1), and a positioning mechanism (5) is provided below the lifting mechanism. The positioning mechanism (5) comprises four workpiece limiting connecting rods (501), and the four workpiece limiting connecting rods (501) are connected in an end-to-end staggered manner. A positioning sleeve (503) is installed at one end of the workpiece limiting connecting rod (501), and a ratchet mounting groove (508) is provided inside the inner side of the positioning sleeve (503) located near the workpiece limiting connecting rod (501). A limiting ratchet (506) is installed inside the ratchet mounting groove (508), and a ratchet pawl (507) is installed on one side of the limiting ratchet (506) via an elastic rotating shaft. A reset knob (504) is installed on the upper end of the elastic rotating shaft located on the upper surface of the workpiece limiting connecting rod (501), and a ratchet (505) is provided on the inner side of the workpiece limiting connecting rod (501); The lifting mechanism comprises an electric hoist (4) and a lifting rope (6); the lower end of the lifting rope (6) is located on the upper surface of the positioning sleeve (503) and is provided with a lifting ring (502); A positioning lamp (11) is installed at the lower end of the electric hoist (4); a convex lens (12) is arranged inside the positioning lamp (11); a plane optical glass (13) is arranged inside the positioning lamp (11) below the convex lens (12); and mounting slots (14) are arranged outside the convex lens (12) and the plane optical glass (13) inside the positioning lamp (11); A support frame (2) is installed on the lower surface of the gantry (1), a base (3) is installed at the lower end of the support frame (2), and storage grooves (7) are provided on both sides of the support frame (2) and the base (3); An extension bracket (8) is provided inside the storage groove (7), an elastic shaft (10) is installed between the extension bracket (8) and the base (3), and a reinforcement suction cup (9) is installed on the lower surface of the extension bracket (8); A portion of the parallel light emitted by the positioning lamp (11) is refracted into the air between the convex lens (12) and the plane optical glass (13), and then returns to the inner spherical surface after being reflected by the plane optical glass (13) and refracted by the spherical surface of the convex lens (12), thereby interfering with the previously reflected light from the inner spherical surface, thereby realizing a circle of concentric circular light rings. The positioning mechanism (5) is integrally sleeved on the outside of the workpiece to be lifted, and a force is applied to the four workpiece limit connecting rods (501) at the same time, thereby adjusting the workpiece limit connecting rods (501) to the corresponding positioning positions. The sleeve (503) moves inside, the ratchet (505) on the inner side of the workpiece limiting connecting rod (501) and the limiting ratchet wheel (506) mesh and rotate, and the limiting ratchet wheel (506) causes the pawl (507) to swing when rotating, so that when the four workpiece limiting connecting rods (501) move in a direction approaching each other, they can play a one-way limiting role, ensuring that the four workpiece limiting connecting rods (501) can clamp workpieces of different outer diameters, and under the effect of the concentric circular halo formed, the clamping position of the workpiece is determined.

2. The temporary positioning gantry for thin-plate segmented outfitting of large cruise ships according to claim 1 is characterized in that: The position-limiting ratchet (506) is meshedly connected to the ratchet teeth (505), and the pawl (507) is meshedly connected to the position-limiting ratchet (506).

3. The temporary positioning gantry for thin-plate segmented outfitting of large cruise ships according to claim 1 is characterized in that: The reset knob (504) is fixedly connected to the elastic rotating shaft, and the four workpiece limiting connecting rods (501) are all components with the same structure.

4. The temporary positioning gantry for thin-plate segmented outfitting of large cruise ships according to claim 1 is characterized in that: The convex lens (12) is manufactured using a lens with a larger curvature radius.

5. The temporary positioning gantry for thin-plate segmented outfitting of large cruise ships according to claim 1 is characterized in that: The extension bracket (8) is rotatably connected to the base (3) via the elastic rotating shaft (10).

6. The temporary positioning gantry for thin-plate segmented outfitting of a large cruise ship according to claim 1 is characterized in that: The ratchet (505) is fixedly connected to the workpiece limiting connecting rod (501).

Images