Straight-arm telescopic marine crane

Abstract

The utility model discloses a straight arm telescopic marine crane, which belongs to the technical field of marine cranes, and adopts the technical scheme that the straight arm telescopic marine crane comprises a machine base, a crane body is arranged at the top of the machine base, and a table rod is bolted to the rear side of the machine base. The protection cover is arranged on the rod type manipulator, comprehensive protection is provided for the rod type manipulator, the rod type manipulator is prevented from being eroded by wind, sun, rain and seawater salt, the fault probability is reduced, the equipment maintenance cost is reduced, the equipment maintenance time is shortened, and the normal operation plan of a ship is guaranteed. The electromagnetic inductor at the top of the protective shell is separated from the induction sheet at the bottom of the protective cover, so that the electromagnetic inductor feeds back to the electric push rod, then, the electric push rod retracts the telescopic end of the electric push rod to drive the protective shell to fall downwards on the outer side of the table rod, and therefore, a user can directly use the rod type controller to control the crane body.

Description

Technical Field

[0001] The utility model relates to the technical field of marine cranes, in particular to a straight-arm telescopic marine crane. Background Art

[0002] In shipbuilding and marine engineering, a straight-arm telescopic marine crane is a type of lifting equipment specially designed for use on ships. It has a straight-arm structure and can adjust its working radius by telescoping to suit different operational requirements. The straight-arm telescopic marine crane mainly drives the telescoping of the boom and the operation of the lifting mechanism through a hydraulic system. When lifting operations are required, the operator activates the hydraulic system through a control device to extend the boom to the required length, and then lifts the load through the lifting mechanism.

[0003] The catering cranes and light movable sundries cranes used on small ships have their own specific uses. As ships often shake, the cranes must be securely installed on board. If the crane base is not firmly fixed to the hull, it will not only affect the stability of the crane, but may also cause safety accidents.

[0004] The existing patent (publication number: CN206051367U) discloses a marine crane. This utility model greatly improves the stability of the crane, thereby ensuring stable operation of the crane and preventing the occurrence of safety accidents.

[0005] In response to the above-mentioned problems, existing patents have provided solutions. However, when the existing straight-arm telescopic marine crane is used on a ship, the control rod used to control the movement of the crane is exposed. When not in use, it is exposed to wind, sun, rain and salt in seawater for a long time, which will gradually damage the surface coating of the control rod and corrode the internal metal structure. This will not only reduce the strength and rigidity of the control rod, but may also cause failures of the internal electrical components or mechanical transmission parts. This will not only affect the operator's user experience, but the corrosion or damage of the control rod will also increase the maintenance cost and time of the equipment, affecting the normal operation plan of the ship.

[0006] Therefore, a straight-arm telescopic marine crane is proposed. Utility Model Content

[0007] The purpose of the present utility model is to provide a straight-arm telescopic marine crane, which can solve the problem that when the existing straight-arm telescopic marine crane is used on a ship, the control rod for controlling the movement of the crane is exposed to the outside, and when not in use, it is exposed to wind, sun, rain and salt in seawater for a long time, which will gradually damage the surface coating of the control rod and corrode the internal metal structure. This will not only reduce the strength and rigidity of the control rod, but may also cause malfunction of the electrical components or mechanical transmission parts inside it, thereby affecting not only the user experience of the operator, but the corrosion or damage of the control rod will also increase the maintenance cost and maintenance time of the equipment, affecting the normal operation plan of the ship.

[0008] To achieve the above-mentioned object, the present invention provides the following technical solution: a straight-arm telescopic marine crane, comprising a base, a crane body disposed on the top of the base, a platform bolted to the rear side of the base, a rod-type controller disposed on the inner side of the top of the platform, a protective mechanism disposed on the outer side of the rod-type controller, and a drying assembly disposed on the inner side of the protective mechanism;

[0009] The protective mechanism includes an electric push rod embedded in the table pole, the electric push rod is electrically connected to the rod-type manipulator, a protective shell is provided on the outer side of the top of the machine base, the rear side of the bottom of the protective shell is bolted to the telescopic end of the electric push rod, an electromagnetic sensor is embedded in the right side of the top of the protective shell, the electromagnetic sensor is electrically connected to the electric push rod, the top of the protective shell is rotatably connected to a protective cover, the protective cover is located at the top of the rod-type manipulator, the right side of the bottom of the protective cover is bolted to an induction plate, and the induction plate is in contact with the electromagnetic sensor.

[0010] Preferably, the drying component includes a placement box arranged inside the protective cover, and the right side of the placement box passes through the right side of the inside of the protective cover.

[0011] Preferably, a placement net is fixedly connected to the bottom side of the placement box, and the placement net is in a hexagonal hollow shape.

[0012] Preferably, a desiccant bag is provided inside the placement box, and the desiccant bag is located on the top of the placement net.

[0013] Preferably, an observation panel is embedded in the front side of the protective shell, and the observation panel is made of transparent acrylic material.

[0014] Preferably, a protective pad is bonded to the top of the protective cover, and the protective pad has corrosion resistance.

[0015] Preferably, the front and rear sides of the interior of the protective cover are provided with slide grooves, the front and rear sides of the placement box are fixedly connected with sliders, and the sliders are slidably connected to the interior of the slide grooves.

[0016] Preferably, a pull rod is bolted to the right side of the placement box, and the surface of the pull rod is provided with anti-slip lines.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. The present application provides comprehensive protection for the rod-type controller by setting a protective mechanism, which cooperates with the protective shell and the protective cover to prevent it from being eroded by wind, sun, rain and seawater salt, thereby reducing the probability of failure, reducing equipment maintenance costs and maintenance time, and ensuring the normal operation plan of the ship. When the rod-type controller needs to be used, when its protective cover is lifted, the electromagnetic sensor on the top of the protective shell and the induction sheet at the bottom of the protective cover are disconnected from each other, so that the electromagnetic sensor feeds back to the electric push rod. Then, the electric push rod retracts its telescopic end to drive the protective shell to drop downward on the outside of its platform, so that the user can directly use the rod-type controller to control the crane body. Conversely, after use, the rod-type controller sends a start command to its electric push rod, and its electric push rod pushes the protective shell upward to return the protective shell to its initial position, and then the protective cover is covered.

[0019] 2. This application sets up a drying component, which is located inside the protective cover. When the protective cover is located on the top of the protective shell, it maintains a dry environment around the rod-type controller, further prevents corrosion, and extends the service life of the equipment. At the same time, it reduces the risk of electrical component failure due to moisture and improves the reliability of equipment operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is the overall structural diagram of the straight arm telescopic marine crane of the utility model;

[0021] Figure 2 This is a structural diagram of the machine base of the utility model;

[0022] Figure 3 This is a structural diagram of the protective mechanism of the utility model;

[0023] Figure 4 This is a structural diagram of the drying component of the utility model;

[0024] Figure 5 This is a structural diagram of the electric push rod of the utility model.

[0025] In the figure, 1. Machine base; 2. Crane body; 3. Platform; 4. Rod-type controller; 5. Protective mechanism; 501. Electric push rod; 502. Protective shell; 503. Electromagnetic sensor; 504. Protective cover; 505. Induction sheet; 6. Drying component; 601. Placement box; 602. Placement net; 603. Desiccant bag; 7. Observation panel; 8. Protective pad; 9. Slide; 10. Slider; 11. Pull rod. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figure 1-5 , this utility model provides a technical solution:

[0028] A straight-arm telescopic marine crane comprises a base 1, a crane body 2 being provided on the top of the base 1, a platform 3 being bolted to the rear side of the base 1, a rod-type controller 4 being provided on the inner side of the top of the platform 3, a protective mechanism 5 being provided on the outer side of the rod-type controller 4, and a drying assembly 6 being provided on the inner side of the protective mechanism 5;

[0029] The protective mechanism 5 includes an electric push rod 501 embedded in the table pole 3, and the electric push rod 501 is electrically connected to the rod-type controller 4. A protective shell 502 is provided on the outer side of the top of the machine base 1, and the rear side of the bottom of the protective shell 502 is bolted to the telescopic end of the electric push rod 501. An electromagnetic sensor 503 is embedded in the right side of the top of the protective shell 502, and the electromagnetic sensor 503 is electrically connected to the electric push rod 501. The top of the protective shell 502 is rotatably connected to a protective cover 504, and the protective cover 504 is located at the top of the rod-type controller 4. The right side of the bottom of the protective cover 504 is bolted to an induction plate 505, and the induction plate 505 is in contact with the electromagnetic sensor 503.

[0030] In this embodiment, the protective shell 502 and the protective cover 504 cooperate to provide all-round protection for the rod-type controller 4, effectively blocking the erosion of wind, sun, rain and salt in seawater, greatly reducing the damage to the surface coating of the rod-type controller 4, reducing the risk of corrosion of the internal metal structure, thereby extending the service life of the rod-type controller 4. At the same time, the drying component 6 in the protective cover 504 maintains a dry environment around the rod-type controller 4, further preventing corrosion and extending the service life of the equipment. Later, when the rod-type controller 4 needs to be used, the protective cover 504 is lifted, and the induction plate 505 and the electromagnetic inductor are connected. 503 is disengaged, and the electromagnetic sensor 503 feeds back a signal to the electric push rod 501, and the electric push rod 501 retracts to drive the protective shell 502 to descend, making it convenient for the user to operate the rod-type controller 4. After use, a start command is issued through the rod-type controller 4, and the electric push rod 501 pushes the protective shell 502 upward to return to its original position, and then the protective cover 504 is covered. The operation is simple and convenient, and the work efficiency is improved. In this way, good protective measures reduce the maintenance needs of equipment, thereby reducing maintenance costs. At the same time, it also avoids the time taken up by frequent maintenance, ensures the normal operation plan of the ship, and improves the efficiency of ship operations.

[0031] Specifically, such as Figure 4 As shown, the drying assembly 6 includes a placement box 601 disposed inside the protective cover 504 , and the right side of the placement box 601 passes through the right side inside the protective cover 504 .

[0032] Specifically, such as Figure 4 As shown, a placement net 602 is fixedly connected to the bottom side of the placement box 601, and the placement net 602 is a hexagonal hollow shape.

[0033] Specifically, such as Figure 4 As shown, a desiccant bag 603 is provided inside the placement box 601 , and the desiccant bag 603 is located on the top of the placement net 602 .

[0034] In this embodiment, by providing a drying assembly 6, a desiccant bag 603 provided in a placement box 601 contacts the air surrounding the rod-type controller 4 through a placement net 602, thereby continuously absorbing moisture from the air and keeping the environment surrounding the rod-type controller 4 dry. The hexagonal hollow placement net 602 ensures the secure placement of the desiccant bag 603 without hindering its function, thereby effectively preventing corrosion of the rod-type controller 4 caused by moisture and extending the service life of the device.

[0035] Specifically, such as Figure 2 As shown, an observation panel 7 is embedded in the front side of the protective shell 502 , and the observation panel 7 is made of transparent acrylic material.

[0036] Specifically, such as Figure 1As shown, a protective pad 8 is bonded to the top of the protective cover 504, and the protective pad 8 has corrosion resistance.

[0037] In this embodiment: by embedding an observation panel 7 made of transparent acrylic material on the front side of the protective shell 502, the operator can observe the status of the rod-type controller 4 in real time through the observation panel 7 without opening the protective cover 504, so as to facilitate the understanding of whether the equipment is operating normally and whether any operation is required, thereby improving work efficiency. The protective pad 8 bonded to the top of the protective cover 504 has corrosion resistance, which further enhances the protection of the protective cover 504 in the harsh environment of the ship.

[0038] Specifically, such as Figure 4 As shown, the front and rear sides of the protective cover 504 are both provided with slide grooves 9 , and the front and rear sides of the placement box 601 are both fixedly connected with sliders 10 , which are slidably connected to the inside of the slide grooves 9 .

[0039] Specifically, such as Figure 4 As shown, a pull rod 11 is bolted to the right side of the placement box 601, and the surface of the pull rod 11 is provided with anti-slip lines.

[0040] In this embodiment: the sliding grooves 9 opened on the front and rear sides of the protective cover 504 cooperate with the slider 10 on the placement box 601, so that the placement box 601 can slide stably when entering and exiting the protective cover 504 without shaking or jamming. This design ensures the smoothness of the desiccant bag 603 replacement operation and improves the maintainability of the equipment. At the same time, the surface of the pull rod 11 is provided with anti-slip grooves. When the operator pulls the pull rod 11 to operate the placement box 601, the anti-slip grooves can increase the friction between the hand and the pull rod 11, prevent the hand from slipping, and improve the safety and stability of the operation.

[0041] Working principle: During the use of the telescopic marine crane, when the rod controller 4 is not in use, the protective cover 504 is located on the top of the protective shell 502. The rear side of the bottom of the protective shell 502 is bolted to the telescopic end of the electric push rod 501. The electric push rod 501 is in the extended state. The protective shell 502 is fixed to the outside of the rod controller 4. The protective shell 502 and the protective cover 504 cooperate to provide all-round protection for the rod controller 4, preventing wind, sun, rain and salt erosion in seawater. The box 6 is placed inside the protective cover 504. The desiccant bag 603 in 01 contacts the air around the rod controller 4 through the hexagonal hollow placement net 602, continuously absorbing moisture in the air, keeping the environment around the rod controller 4 dry, and preventing corrosion caused by moisture. The corrosion-resistant protective pad 8 bonded to the top of the protective cover 504 further enhances the protection of the rod controller 4. The transparent acrylic observation panel 7 embedded in the front side of the protective shell 502 allows the operator to observe the status of the rod controller 4 in real time without opening the protective cover 504. When the rod controller needs to be used, 4, the protective cover 504 is lifted, and the induction piece 505 on the right side of the bottom of the protective cover 504 is out of contact with the electromagnetic inductor 503 embedded on the right side of the top of the protective shell 502. The electromagnetic inductor 503 feeds back a signal to the electric push rod 501, and the electric push rod 501 retracts its telescopic end, driving the protective shell 502 to drop downward on the outside of the platform 3. At this time, the user can directly use the rod-type controller 4 to control the crane body 2. After use, the start command is issued to the electric push rod 501 through the rod-type controller 4, and the electric push rod 501 pushes upward. The protective shell 502 returns to its initial position and is then covered with the protective cover 504. When the desiccant bag 603 needs to be replaced, the operator holds the pull rod 11 bolted to the right side of the placement box 601. The anti-slip texture on the surface of the pull rod 11 increases the friction of the hand to prevent the hand from slipping. The slider 10 slides in the slide groove 9 opened on the front and rear sides of the protective cover 504 to pull the placement box 601 out from the inside of the protective cover 504. After replacing the desiccant bag 603, it is pushed back to its original position, ensuring the smoothness of the desiccant bag 603 replacement operation and the maintainability of the equipment.

[0042] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A straight-arm telescopic marine crane, comprising a base (1), characterized in that: A crane body (2) is provided on the top of the machine base (1), a platform rod (3) is bolted to the rear side of the machine base (1), a rod-type controller (4) is provided on the inner side of the top of the platform rod (3), a protective mechanism (5) is provided on the outer side of the rod-type controller (4), and a drying component (6) is provided on the inner side of the protective mechanism (5); The protective mechanism (5) includes an electric push rod (501) embedded in the platform rod (3), the electric push rod (501) is electrically connected to the rod-type controller (4), a protective shell (502) is provided on the outer side of the top of the machine base (1), the rear side of the bottom of the protective shell (502) is bolted to the telescopic end of the electric push rod (501), an electromagnetic inductor (503) is embedded on the right side of the top of the protective shell (502), the electromagnetic inductor (503) is electrically connected to the electric push rod (501), the top of the protective shell (502) is rotatably connected to a protective cover (504), the protective cover (504) is located on the top of the rod-type controller (4), the right side of the bottom of the protective cover (504) is bolted to an induction plate (505), and the induction plate (505) is in contact with the electromagnetic inductor (503).

2. The straight arm telescopic marine crane according to claim 1, characterized in that: The drying component (6) comprises a placement box (601) arranged inside the protective cover (504), and the right side of the placement box (601) passes through the right side inside the protective cover (504).

3. The straight arm telescopic marine crane according to claim 2, characterized in that: A placement net (602) is fixedly connected to the bottom side of the placement box (601), and the placement net (602) is in a hexagonal hollow shape.

4. The straight arm telescopic marine crane according to claim 3, characterized in that: A desiccant bag (603) is provided inside the placement box (601), and the desiccant bag (603) is located on the top of the placement net (602).

5. The straight arm telescopic marine crane according to claim 1, characterized in that: An observation panel (7) is embedded in the front side of the protective shell (502), and the observation panel (7) is made of a transparent acrylic material.

6. The straight arm telescopic marine crane according to claim 1, characterized in that: A protective pad (8) is bonded to the top of the protective cover (504), and the protective pad (8) has corrosion resistance.

7. The straight arm telescopic marine crane according to claim 2, characterized in that: The front and rear sides of the protective cover (504) are both provided with a slide groove (9), and the front and rear sides of the placement box (601) are both fixedly connected with a slider (10), and the slider (10) is slidably connected to the inside of the slide groove (9).

8. The straight arm telescopic marine crane according to claim 2, characterized in that: The right side of the placement box (601) is bolted with a pull rod (11), and the surface of the pull rod (11) is provided with anti-skid patterns.

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