Lifting device of marine radar mast

Abstract

The utility model discloses a lifting device of a marine radar mast, which is characterized in that the lifting device is arranged in an inner column body and an outer column body, the lifting device is preferably a hydraulic cylinder, the lifting device can stretch out and draw back to drive the inner column body to lift up and down along the outer column body, and a limiting fixing device is arranged on the inner column body; the limiting and fixing device limits and fixes the inner column body, the outer column body and the inner column body form an integrated supporting structure under the action of the limiting and fixing device to support the radar mast, the situation that the lifting device, namely the hydraulic cylinder, is in a pressurized state all the time is avoided, and the lifting safety and stability of the radar mast are improved; the supporting end is arranged at the lower end of the inner column body, when the radar mast descends to the corresponding position, the supporting end makes contact with the ship body for supporting, when the radar mast descends to the corresponding position, the inner column body supports the radar mast, the pressure of the lifting device, namely the hydraulic cylinder is reduced, and the lifting safety and stability of the radar mast are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ship equipment technical field especially, it relates to a lifting device of marine radar mast. BACKGROUND

[0002] At present, container ships will be increased in height to increase the carrying capacity, and in order to maintain a good view after the height of the bridge is increased, the living area also needs to be increased in height, which leads to the increase of the superstructure of the ship, and the mast often collides with the bridge when the ship passes through some bridges.

[0003] Under normal circumstances, when the ship passes through the bridge hole, the channel is provided with navigation marks or sound, light, electricity and other warning facilities, when it is found that the ship is too high, the ship height can be reduced by adjusting the ballast, waiting for the ebb tide, so that the ship can pass through the bridge hole normally; The factors of ship-bridge collision accident involve people, ships, navigation conditions, environment and management, and the bridge conditions in different parts of the world are complex and various, and the way of adjusting the ballast or waiting for the low tide needs a long time, which affects the ship voyage and the navigation of the channel.

[0004] The Chinese patent with publication number CN207657992U discloses a hydraulic lifting type radar mast, which comprises a deck, a cylinder, a mounting seat, a piston rod, a hydraulic cylinder, a placing seat, a protective cover, a placing seat, a guide rod, a guide block, a cable rack, an electric hydraulic pump and a rubber pipe, wherein the hydraulic cylinder with the piston rod is installed in the mounting seat, the placing seat for installing the radar is arranged on the piston rod, the electric hydraulic pump is arranged on one side of the cylinder, the rubber pipe is arranged between the electric hydraulic pump and the hydraulic cylinder, the hydraulic cylinder is controlled by the electric hydraulic pump, the piston rod is lifted and lowered by the hydraulic cylinder, so that the lifting of the placing seat is controlled.

[0005] The radar mast does not have a positioning device, and the hydraulic cylinder needs to be in a pressurized state for a long time when the radar mast is lifted, which affects the safety and stability of the mast lifting. UTILITY MODEL CONTENT

[0006] In view of the problems in the related art, the application discloses a lifting device of a marine radar mast, which solves the problem that the hydraulic cylinder needs to be in a pressurized state for a long time when the radar mast is lifted in the related art, which affects the safety and stability of the mast lifting.

[0007] To achieve the above-mentioned purpose, the application provides the following technical scheme:

[0008] The utility model provides a kind of lifting device of marine radar mast, including outer column and inner column, the bottom of the outer column is fixedly connected with ship body, the inner column is sleeved in the inside of the outer column, radar pedestal is fixedly arranged on the top of the inner column, radar mast can be fixed on the upper portion of the radar pedestal, lifting device is arranged in the inside of the inner column and the outer column, the fixed end of the lifting device is fixedly connected with the outer column, the telescopic end of the lifting device is fixedly connected with the radar pedestal, the lifting device can drive the inner column to be lifted up and down along the outer column, limiting fixing device is arranged on the inner column, and the limiting fixing device is fixed to the inner column when radar mast is lifted up.

[0009] As a further scheme of the present application: the outer column is provided with a fixed plate, and the limiting fixing device is arranged on the upper portion of the fixed plate.

[0010] As a further scheme of the present application: the limiting fixing device includes a limiting groove and a limiting block, the inner column is provided with the limiting groove, the limiting block is consistent with the shape of the limiting groove, the limiting block is connected with the telescopic device, and the telescopic device drives the limiting block to move to realize the limiting or separation with the limiting groove.

[0011] As a further scheme of the present application: the inner column is uniformly provided with a plurality of limiting grooves around, and the limiting grooves are correspondingly provided with the limiting block and the telescopic device.

[0012] As a further scheme of the present application: the lower end of the limiting block is provided with a moving groove on the contact surface with the fixed plate, the upper portion of the fixed plate is provided with a moving protrusion matched with the moving groove, and the limiting block moves stably relative to the fixed plate through the cooperation of the moving groove and the moving protrusion.

[0013] As a further scheme of the present application: the lower end of the inner column is provided with a support end, and the support end is in contact with the ship body to support when the radar mast is lowered to the corresponding position.

[0014] As described above, the beneficial effects of the present application are:

[0015] 1. The lifting device of marine radar mast, the bottom of the outer column is fixedly connected with the ship body, the inner column is sleeved in the inside of the outer column, the lifting device is arranged in the inside of the inner column and the outer column, the fixed end of the lifting device is fixedly connected with the outer column, the telescopic end of the lifting device is fixedly connected with the radar pedestal, the lifting device can drive the inner column to be lifted up and down along the outer column, the limiting fixing device is arranged on the inner column, and the limiting fixing device is fixed to the inner column when radar mast is lifted up to the limited position, the outer column and the inner column form an integrated support structure under the action of the limiting fixing device to support the radar mast, avoid that the lifting device, i. e. hydraulic cylinder, is always in the state of pressurization, and the safety and stability of the lifting of the radar mast are improved.

[0016] 2、The limiting and fixing device comprises a limiting groove and a limiting block, the inner column body is provided with the limiting groove, the limiting block is consistent in shape with the limiting groove, the limiting block is connected with the telescopic device, the telescopic device is preferably a hydraulic cylinder, the telescopic device drives the limiting block to move to realize the limiting or separation with the limiting groove, the limiting and fixing device composed of the telescopic device, the limiting block and the limiting groove is simple and stable in structure, can realize automatic operation, the cooperation of the limiting block and the limiting groove can realize large-area fixing and limiting, and the fixing stability of the inner column body and the outer column body is improved.

[0017] 3、The inner column body is uniformly provided with a plurality of limiting grooves, preferably four limiting grooves, the limiting grooves are correspondingly provided with limiting blocks and telescopic devices, the plurality of limiting grooves improve the all-around fixing and limiting of the connection between the inner column body and the outer column body, and the fixing stability of the inner column body and the outer column body is improved.

[0018] 4、The contact surface of the limiting block and the fixed plate is provided with a moving groove and a moving protrusion, the limiting block moves stably relative to the fixed plate through the cooperation of the moving groove and the moving protrusion, and the stability and smoothness of the movement of the limiting block are improved.

[0019] 5、The inner column body is provided with a support end, the support end is in contact with the ship body to support when the radar mast is lowered to the corresponding position, the inner column body supports the radar mast when the radar mast is lowered to the corresponding position, the pressure of the lifting device, i.e. the hydraulic cylinder, is reduced, and the safety and stability of the lifting of the radar mast are improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application together with the embodiments thereof, and explain the present application, but do not limit the present application.

[0021] In the drawings:

[0022] Fig. 1 It is a structural schematic view when the present application is raised to the corresponding position.

[0023] Fig. 2 It is a structural schematic view when the present application is lowered to the corresponding position.

[0024] Fig. 3 It is a structural schematic view of the moving groove and the moving protrusion of the present application.

[0025] Marked annotations:

[0026] 1, ship body; 2, outer column body; 3, inner column body; 4, radar base; 5, lifting device; 6, fixed plate; 71, limiting groove; 72, limiting block; 73, telescopic device; 81, moving groove; 82, moving protrusion; 9, support end; DETAILED DESCRIPTION

[0027] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects disclosed in this embodiment as detailed in the appended claims.

[0028] It should be noted that all directional indicators in the embodiments (such as up, down, left, right, front, back, etc.) are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0029] Furthermore, the use of terms such as "first" and "second" in the embodiments is for descriptive purposes only and does not specifically refer to any order or sequence, nor is it intended to limit this application. It is merely to distinguish components or operations described using the same technical terms and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but only if they are feasible for those skilled in the art. If a combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed in this application.

[0030] To further understand the content, features, and effects of this application, the following embodiments are provided, and detailed descriptions are given below in conjunction with the accompanying drawings:

[0031] like Figs. 1-3 As shown:

[0032] The lifting device for a marine radar mast includes an outer column 2 and an inner column 3. The bottom of the outer column 2 is fixedly connected to the hull 1. The inner column 3 is sleeved inside the outer column 2. A radar base 4 is fixedly mounted on the top of the inner column 3. The radar mast can be fixed on the upper part of the radar base 4.

[0033] The inner column 3 and the outer column 2 are equipped with a lifting device 5. The lifting device 5 is preferably a hydraulic cylinder. The fixed end of the lifting device 5 is fixedly connected to the outer column 2, and the telescopic end of the lifting device 5 is fixedly connected to the radar base 4. The telescopic extension of the lifting device 5 can drive the inner column 3 to move up and down along the outer column 2.

[0034] The inner column 3 is equipped with a limiting and fixing device, and the outer column 2 is equipped with a fixing plate 6. The limiting and fixing device is located on the upper part of the fixing plate 6. When the radar mast rises to the corresponding position, the limiting and fixing device limits and fixes the inner column 3.

[0035] The limiting and fixing device includes a limiting groove 71 and a limiting block 72. The inner column 3 is provided with a limiting groove 71. The limiting block 72 is shaped to match the limiting groove 71. The limiting block 72 is poweredly connected to the telescopic device 73. The telescopic device 73 drives the limiting block 72 to move to achieve limiting or separation from the limiting groove 71.

[0036] The inner column 3 is provided with four limiting grooves 71 evenly around its perimeter, and the limiting grooves 71 are provided with limiting blocks 72 and telescopic devices 73 respectively.

[0037] The lower end of the limiting block 72 has a movable groove 81 in contact with the fixed plate 6, and the upper part of the fixed plate 6 has a movable protrusion 82 that matches the movable groove 81. The limiting block 72 moves smoothly relative to the fixed plate 6 through the cooperation of the movable groove 81 and the movable protrusion 82.

[0038] In addition, the lower end of the inner column 3 is provided with a support end 9, which contacts and supports the hull 1 when the radar mast is lowered to the corresponding position.

[0039] In practical applications:

[0040] The bottom of the outer column 2 is fixedly connected to the hull 1. An inner column 3 is sleeved inside the outer column 2. A lifting device 5 is provided inside the inner column 3 and the outer column 2. The lifting device 5 is preferably a hydraulic cylinder. The fixed end of the lifting device 5 is fixedly connected to the outer column 2, and the telescopic end of the lifting device 5 is fixedly connected to the radar base 4. The telescopic movement of the lifting device 5 can drive the inner column 3 to move up and down along the outer column 2. A limiting and fixing device is provided on the inner column 3. When the radar mast rises to the limited position, the limiting and fixing device limits and fixes the inner column 3. Under the action of the limiting and fixing device, the outer column 2 and the inner column 3 form an integrated support structure to support the radar mast, avoiding the lifting device 5, i.e., the hydraulic cylinder, from being in a pressurized state, thus improving the safety and stability of the radar mast lifting.

[0041] The limiting and fixing device includes a limiting groove 71 and a limiting block 72. The inner column 3 is provided with a limiting groove 71, and the limiting block 72 matches the shape of the limiting groove 71. The limiting block 72 is poweredly connected to the telescopic device 73. The telescopic device 73 is preferably a hydraulic cylinder. The telescopic device 73 drives the limiting block 72 to move to achieve limiting or separation from the limiting groove 71. The limiting and fixing device composed of the telescopic device 73, the limiting block 72, and the limiting groove 71 has a simple and stable structure and can realize automated operation. The cooperation between the limiting block 72 and the limiting groove 71 can achieve large-area fixed limiting, which improves the fixing stability of the inner column 3 and the outer column 2.

[0042] The inner column body 3 is uniformly provided with four limiting grooves 71 around, the limiting grooves 71 are correspondingly provided with limiting blocks 72 and telescopic devices 73, the plurality of limiting grooves 71 improve the all-directional fixing limiting of the connection of the inner column body 3 and the outer column body 2, and the fixing stability of the inner column body 3 and the outer column body 2 is improved.

[0043] The contact surface of the limiting block 72 and the fixed plate 6 is provided with a moving groove 81 and a moving protrusion 82, the limiting block 72 moves stably relative to the fixed plate 6 through the cooperation of the moving groove 81 and the moving protrusion 82, and the stability and smoothness of the movement of the limiting block 72 are improved.

[0044] The inner column body 3 is uniformly provided with four limiting grooves 71 around, the limiting grooves 71 are correspondingly provided with limiting blocks 72 and telescopic devices 73, the plurality of limiting grooves 71 improve the all-directional fixing limiting of the connection of the inner column body 3 and the outer column body 2, and the fixing stability of the inner column body 3 and the outer column body 2 is improved.

[0045] Finally, it should be noted that: the above disclosure is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application. The scope of the present application is only limited by the appended claims.

Claims

1. A lifting device for a marine radar mast, comprising an outer column (2) and an inner column (3), wherein the bottom of the outer column (2) is fixedly connected to the hull (1), the inner column (3) is sleeved inside the outer column (2), a radar base (4) is fixedly provided on the top of the inner column (3), the radar mast can be fixed on the upper part of the radar base (4), a lifting device (5) is provided inside the inner column (3) and the outer column (2), the fixed end of the lifting device (5) is fixedly connected to the outer column (2), the telescopic end of the lifting device (5) is fixedly connected to the radar base (4), and the telescopic extension of the lifting device (5) can drive the inner column (3) to move up and down along the outer column (2), characterized in that: The inner column (3) is provided with a limiting and fixing device, and the limiting and fixing device limits and fixes the inner column (3) when the radar mast is raised. The limiting and fixing device comprises a limiting groove (71) and a limiting block (72), the inner column (3) is provided with the limiting groove (71), the limiting block (72) is consistent with the shape of the limiting groove (71), the limiting block (72) is power-connected with a telescopic device (73), and the telescopic device (73) drives the limiting block (72) to move to realize the limiting or separation of the limiting groove (71).

2. A lifting device for a marine radar mast according to claim 1, characterized in that: The outer column (2) is provided with a fixed plate (6), and the limiting and fixing device is arranged on the upper portion of the fixed plate (6).

3. A lifting device for a marine radar mast according to claim 2, characterized in that: The inner column (3) is uniformly provided with a plurality of limiting grooves (71) around the periphery, and the limiting grooves (71) are correspondingly provided with the limiting blocks (72) and the telescopic devices (73).

4. A lifting device for a marine radar mast according to claim 3, characterized in that: The lower end of the limiting block (72) is provided with a moving groove (81) on the contact surface of the fixed plate (6), the upper portion of the fixed plate (6) is provided with a moving protrusion (82) matched with the moving groove (81), and the limiting block (72) is stably moved relative to the fixed plate (6) through cooperation of the moving groove (81) and the moving protrusion (82).

5. A lifting device for a marine radar mast according to claim 1, characterized in that: The lower end of the inner column (3) is provided with a support end (9), and the support end (9) is in contact with the ship body (1) to support when the radar mast is lowered to the corresponding position.

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