Reversible mast supporting device

Abstract

The utility model relates to the technical field of steamship masts, and discloses a collapsible mast supporting device which comprises a chassis, a fixing cylinder is fixedly installed on the upper surface of the chassis, a gear ring is rotationally connected to the top of the fixing cylinder, a gear is rotationally connected to the middle of a fixing frame, a screw is in threaded connection with the middle of the gear, and a screw rod is arranged on the screw rod. The bottom of the screw rod is rotatably connected with a pressing block, a base is arranged above the chassis, the side face of the base is fixedly connected with protruding blocks at equal angles, grooves are formed in the upper surfaces of the protruding blocks, and a mast body is fixedly installed on the upper surface of the base. The base and the mast body can be taken down through rotation of the gear ring, rotation of the gears, downward movement of the screw rod and the pressing block, contact of the pressing block and the groove, pressing of the protruding block, fixation of the base and fixation of the mast body, reverse rotation of the gear ring, reverse rotation of the six gears and upward movement of the pressing block. In the whole installation process, only the installation position needs to be aligned and the gear ring needs to be rotated.

Description

Technical Field

[0001] The utility model relates to the technical field of ship masts, in particular to a reversible mast supporting device. Background Art

[0002] The mast is a tall pole on a ship that is used to hang sails and flags, install antennas, and support observation platforms. It is a long wooden pole or a metal pole that is usually erected vertically from the keel or centerboard of the ship and can support the lower girders of the cross sails, the booms or the diagonal girders. The mast on a ship has many uses, such as installing signal lights, hanging flags, and setting up telegraph antennas. In addition, it can also support the cargo boom for hoisting and unloading cargo.

[0003] For example, the Chinese patent publication number CN213566347U discloses a reversible mast support device, including a bottom plate, three radially adjustable bases are evenly distributed on the bottom plate, a support vertical plate is provided on the base, a buffer pad is provided at the center between the three bases on the bottom plate, a mast is placed on the buffer pad, three wing plates adapted to the side surfaces of the support vertical plates are provided on the outer wall of the bottom of the mast, and a locking assembly connected to the wing plates is provided on the support vertical plates. The reversible mast support device of the utility model belongs to the technical field of ship mast installation, and is connected to the three support vertical plates through the wing plates at the bottom of the mast, and then quickly locked with the support vertical plates through the locking assembly. With the support of the three support vertical plates, the support is firm, not easy to tilt, and can withstand strong winds; the wing plates are easy to connect or separate from the support vertical plates, and the disassembly and assembly are fast, and the work efficiency is high.

[0004] After using the support device, it was found that although the device can be used to install the mast, multiple locking components need to be installed during installation, which is troublesome to use and time-consuming and labor-intensive. Utility Model Content

[0005] The utility model aims to provide a reversible mast supporting device to solve the problem that a plurality of locking components need to be installed during installation, which is troublesome to use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a reversible mast support device, comprising a chassis, a fixing cylinder is fixedly installed on the upper surface of the chassis, the top of the fixing cylinder is rotatably connected to a gear ring, the top of the inner wall of the fixing cylinder is fixedly connected to a fixing frame at an equal angle, the middle part of the fixing frame is rotatably connected to a gear, the gear is meshed with the gear ring, the middle part of the gear is threadedly connected to a screw, the bottom of the screw is rotatably connected to a pressure block, a base is provided above the chassis, a protrusion is fixedly connected to the side of the base at an equal angle, a groove is provided on the upper surface of the protrusion, the bottom of the pressure block cooperates with the groove, and a mast body is fixedly installed on the upper surface of the base.

[0007] Preferably, a positioning groove is provided on the upper surface of the chassis, and the positioning groove matches with the bottom of the base.

[0008] Preferably, a handle is fixedly connected to the outer side surface of the gear ring at an equal angle.

[0009] Preferably, the screws are parallel to each other, the screws are perpendicular to the gears, and the screws are perpendicular to the pressing blocks.

[0010] Preferably, the heights of the plurality of pressing blocks are always the same.

[0011] Preferably, the length of the protrusion is smaller than the distance between two adjacent gears on two adjacent fixing frames.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model rotates the handle, the gear ring rotates, the six gears rotate together, the screw moves downward, the pressure block moves downward, the pressure block contacts the groove, the protrusion is pressed, the base is fixed, the mast body is fixed, the gear ring is rotated in the opposite direction, the six gears rotate in the opposite direction, the pressure block moves upward, the pressure block leaves the groove, and the base and the mast body can be removed. The utility model is easy to use, and the entire installation process only needs to align the installation position and rotate the gear ring, and the operation is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the fixed cylinder of the utility model;

[0016] Figure 3 This is a schematic diagram of the separation structure of the base and the fixed cylinder of the utility model;

[0017] Figure 4 for Figure 3 Schematic diagram of the local enlarged structure at point A in the middle.

[0018] In the figure: 1, chassis; 101, positioning groove; 2, fixing tube; 201, fixing frame; 3, gear ring; 301, handle; 302, gear; 303, screw; 304, pressure block; 4, base; 401, groove; 402, mast body. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. The described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0020] See also Figure 1-4The utility model provides a technical solution: a reversible mast support device, including a chassis 1, the chassis 1 is fixedly connected to the ship, a fixing cylinder 2 is fixedly installed on the upper surface of the chassis 1, the fixing cylinder 2 is cylindrical as a whole and hollow inside, a gear ring 3 is rotatably connected to the top of the fixing cylinder 2, the gear ring 3 is a whole circular ring, and the center of the circle coincides with the center of the circle of the fixing cylinder 2, the gear ring 3 can only rotate, the inner wall top of the fixing cylinder 2 is fixedly connected with a fixing frame 201 at equal angles, there are three fixing frames 201, and they are a whole with the fixing cylinder 2, The middle part of the fixed frame 201 is rotatably connected with a gear 302. There are six gears 302 in total, and they are all the same size. Each fixed frame 201 has two gears 302. The gear 302 meshes with the gear ring 3. When the gear ring 3 rotates, the six gears 302 rotate together and the number of rotations is the same. The middle part of the gear 302 is threadedly connected with a screw rod 303. When the gear 302 rotates, the screw rod 303 moves up and down. The bottom of the screw 303 is rotatably connected with a pressing block 304. The two gears 302 on each fixed frame 201 rotate, which can The two corresponding screw rods 303 move up and down, and the pressing block 304 can move up and down. The pressing block 304 is restricted by the two screw rods 303 and can only move up and down, and cannot be turned over. A base 4 is provided above the chassis 1. The side of the base 4 is fixedly connected with a convex block at an equal angle. The upper surface of the convex block is provided with a groove 401. The bottom of the pressing block 304 matches the groove 401. The upper surface of the base 4 is fixedly installed with a mast body 402. The base 4 and the mast body 402 are a whole. Put the base 4 into the fixed The fixed cylinder 2 is placed in the fixed cylinder 2 and rotated so that the protrusion is located directly below the fixed frame 201. The gear ring 3 is rotated, and the six gears 302 rotate together. The screw 303 moves downward, and the pressure block 304 moves downward. The pressure block 304 contacts the groove 401, presses the protrusion, fixes the base 4, and fixes the mast body 402. The gear ring 3 is rotated in the opposite direction, and the six gears 302 rotate in the opposite direction. The screw 303 moves upward, and the pressure block 304 moves upward. The pressure block 304 leaves the groove 401, and the base 4 and the mast body 402 can be removed.

[0021] Among them, a positioning groove 101 is opened on the upper surface of the chassis 1, and the positioning groove 101 cooperates with the bottom of the base 4. When placing the base 4, the positioning groove 101 can be used to facilitate alignment, so that the base 4 can be placed in the correct position to prevent deviation.

[0022] The outer side surface of the gear ring 3 is fixedly connected with a handle 301 at an equal angle. The function of the handle 301 is to facilitate the rotation of the gear ring 3. When the handle 301 is turned, the gear ring 3 rotates.

[0023] The screw rods 303 are parallel to each other, the screw rods 303 are perpendicular to the gear 302, the screw rods 303 are perpendicular to the pressing block 304, the screw rods 303 move up and down, the pressing block 304 can move up and down, and the pressing block 304 always remains horizontal.

[0024] Among them, the heights of multiple pressing blocks 304 are always the same. When the ring gear 3 rotates, the six gears 302 rotate together, the screw rods 303 move up and down together, and the pressing blocks 304 can move up and down synchronously and can contact the grooves 401 together to press the protrusions.

[0025] The length of the protrusion is smaller than the distance between two adjacent gears 302 on two adjacent fixing frames 201 , so the base 4 can smoothly enter the fixing tube 2 without being affected.

[0026] Working principle: When in use, put the base 4 into the fixed tube 2 and rotate it. When placing the base 4, the positioning groove 101 can be used to easily align the position. Turn the handle 301, the ring gear 3 rotates, the six gears 302 rotate together, the screw 303 moves downward, the pressing block 304 moves downward, the pressing block 304 contacts the groove 401, presses the convex block, fixes the base 4, and the mast body 402 is fixed. Rotate the ring gear 3 in the opposite direction, the six gears 302 rotate in the opposite direction, the pressing block 304 moves upward, and the pressing block 304 leaves the groove 401, then the base 4 and the mast body 402 can be removed, which is easy to use.

[0027] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes and modifications may be made to the embodiments without departing from the principles of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reversible mast support device, comprising a chassis (1), characterized in that: A fixing cylinder (2) is fixedly mounted on the upper surface of the chassis (1), the top of the fixing cylinder (2) is rotatably connected to a gear ring (3), the top of the inner wall of the fixing cylinder (2) is fixedly connected to a fixing frame (201) at an equal angle, the middle of the fixing frame (201) is rotatably connected to a gear (302), the gear (302) is meshed with the gear ring (3), the middle of the gear (302) is threadedly connected to a screw rod (303), the bottom of the screw rod (303) is rotatably connected to a pressure block (304), a base (4) is provided above the chassis (1), a convex block is fixedly connected to the side of the base (4) at an equal angle, a groove (401) is provided on the upper surface of the convex block, the bottom of the pressure block (304) is matched with the groove (401), and a mast body (402) is fixedly mounted on the upper surface of the base (4).

2. A reversible mast support device according to claim 1, characterized in that: The upper surface of the chassis (1) is provided with a positioning groove (101), and the positioning groove (101) matches with the bottom of the base (4).

3. The reversible mast support device according to claim 1, characterized in that: A handle (301) is fixedly connected at an equal angle to the outer side surface of the gear ring (3).

4. The reversible mast support device according to claim 1, characterized in that: The screw rods (303) are parallel to each other, the screw rods (303) are perpendicular to the gear (302), and the screw rods (303) are perpendicular to the pressing block (304).

5. The reversible mast support device according to claim 1, characterized in that: The heights of the plurality of pressing blocks (304) are always the same.

6. The reversible mast support device according to claim 1, characterized in that: The length of the protrusion is smaller than the distance between two adjacent gears (302) on two adjacent fixing frames (201).

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