Electric variable-amplitude crane

Abstract

The utility model discloses an electric variable-amplitude crane which comprises a hoisting mechanism, the hoisting mechanism comprises a base, the bottom of an inner cavity of the base is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a connecting frame, and the right side of the top of the connecting frame is fixedly connected with a variable-amplitude winch. A connecting rope is arranged on one side of the variable-amplitude winch, a support is arranged on one side of the connecting rope, and a storage frame is fixedly connected to the other side of the connecting rope. According to the electric variable-amplitude crane, by arranging the drying mechanism, when the electric variable-amplitude crane works in the rainy season, rainwater is easily attached to the surface of a connecting rope, a certain rainproof effect can be achieved through a protective pipe and a waterproof cover, a draught fan and a heating net are started, air is sucked in through an air suction pipe, and then the air is heated through the heating net; and then gas is sprayed to the surface of the connecting rope through the connecting pipe and the nozzle to dry the connecting rope, so that the service life of the connecting rope can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of cranes, in particular to an electric luffing crane. Background Art

[0002] Marine cranes are widely used on ships, whether they are tankers, bulk carriers, container ships, chemical tankers or other types of ships. Ships usually have their own small or large cranes to meet their own needs. During ship maintenance and sundries lifting, ship cranes have to lift frequently every day, and their utilization rate is relatively high. However, in terms of lifting weight, it is mainly concentrated on small tonnage, and the lifting frequency of large tonnage is very small.

[0003] According to the patent document: CN116395547A, a fixed lifting device is disclosed, which can make the lifting efficiency of the workpiece by this device higher and make the lifting process of the workpiece by this device more stable. A fixed lifting device includes a fixed seat, a steering motor and a steering mechanism, etc.; the fixed seat is fixedly connected to the steering motor, the steering mechanism is arranged on the steering motor, and the reeling mechanism is arranged on the steering mechanism. The operator starts the steering motor and the servo motor so that the clamp clamps the workpiece. The operator adjusts the servo motor, and the clamp drives the workpiece to move to the appropriate position and releases the workpiece. In this way, the reeling wheel can guide the lifting rope during the lifting process, so that the lifting rope and the lifting seat are not easily offset during the up and down movement, so that the clamp on the lifting seat can clamp the workpiece more accurately, making the lifting efficiency of the workpiece by this device higher.

[0004] At present, the wire ropes of traditional electric luffing cranes are exposed during daily use. When it rains, the wire ropes are easily corroded, which can easily lead to wire rope breakage. At the same time, they are easy to shake and fall during the material lifting process, causing the goods to fall easily, which cannot meet the use requirements. Utility Model Content

[0005] The purpose of the utility model is to provide an electric luffing crane to solve the problem raised in the above-mentioned background technology that the steel wire ropes of the current traditional electric luffing cranes are exposed to the outside during daily use, which may easily lead to corrosion of the steel wire ropes when it rains, thereby easily causing the steel wire ropes to break. At the same time, the cranes are prone to shaking and falling during the lifting of materials, thereby causing the goods to fall easily, and thus failing to meet the use requirements.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric luffing crane, comprising a hoisting mechanism, the hoisting mechanism comprising a base, a driving motor is fixedly connected to the bottom of the inner cavity of the base, a connecting frame is fixedly connected to the output end of the driving motor, a luffing winch is fixedly connected to the right side of the top of the connecting frame, a connecting rope is provided on one side of the luffing winch, a bracket is provided on one side of the connecting rope, and a storage frame is fixedly connected to the other side of the connecting rope;

[0007] A drying mechanism is provided on one side of the bracket, and the drying mechanism includes a shell, the top of the shell is fixedly connected to the bracket, the outer side of the bracket is fixedly connected to a waterproof cover, the left side of the bottom of the inner cavity of the shell is fixedly connected to a fan, the bottom of the fan is connected to an exhaust pipe, the right side of the inner wall of the shell is fixedly connected to a heating network, a connecting pipe is sleeved on one side of the shell, one side of the connecting pipe is connected to a nozzle, one side of the nozzle is connected to the waterproof cover, a protective tube is provided on the surface of the connecting rope, and the bottom of the protective tube is fixedly connected to the connecting frame.

[0008] Preferably, a limiting mechanism is provided at the bottom of the storage frame, and the limiting mechanism includes a box body, a first motor is fixedly connected to the left side of the inner cavity of the box body, a screw rod is fixedly connected to the output end of the first motor, an adjustment plate is threadedly connected to the surface of the screw rod, a connecting column is fixedly connected to one side of the adjustment plate, a fixing plate is fixedly connected to the right side of the connecting column, a limiting plate is fixedly connected to one side of the fixing plate, and one side of the limiting plate is plugged into the storage frame.

[0009] Preferably, a lifting mechanism is provided on one side of the connecting frame, and the lifting mechanism includes a fixed cylinder, the bottom of the fixed cylinder is fixedly connected to the connecting frame, the bottom of the inner cavity of the fixed cylinder is fixedly connected to a second motor, the output end of the second motor is fixedly connected to a threaded rod, the surface of the threaded rod is threadedly connected to a threaded cylinder, and the top of the threaded cylinder is fixedly connected to the bracket.

[0010] Preferably, an annular groove is formed on the outer wall of the base, and a sliding block is slidably connected to the inner cavity of the annular groove, and one side of the sliding block is fixedly connected to the connecting frame.

[0011] Preferably, guide wheels are movably connected to both sides of the bracket, and one side of the guide wheel is in contact with the connecting rope.

[0012] Preferably, the inner cavity of the adjustment plate is slidably connected to a sliding rod, and the left side of the sliding rod is fixedly connected to the box body.

[0013] Preferably, a vertical column is fixedly connected to the back side of the threaded cylinder, and a surface of the vertical column is slidably connected to the fixed cylinder.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. By setting up the hoisting mechanism and starting the luffing winch, the luffing winch can retract and release the connecting rope to adjust the height of the storage frame, and then start the drive motor, which drives the connecting frame to rotate, so as to facilitate the adjustment of the position of the storage frame, thereby facilitating the movement of materials and facilitating the hoisting work.

[0016] 2. By setting up a drying mechanism, when working in the rainy season, rainwater is easily attached to the surface of the connecting rope. The protective tube and the waterproof cover can achieve a certain rainproof effect. In addition, the fan and the heating net are started, and the gas is drawn in through the exhaust pipe. The air is then heated through the heating net, and then the gas is sprayed onto the surface of the connecting rope through the connecting pipe and the nozzle to dry the connecting rope, thereby increasing the service life of the connecting rope.

[0017] 3. By setting a limit mechanism, after placing the goods on the storage frame, start the first motor, drive the screw rod to rotate through the first motor, the screw rod drives the adjusting plate to move, the adjusting plate drives the connecting column to move, the connecting column drives the fixed plate to move, and the fixed plate drives the limit plate to move, so as to limit the goods and prevent them from falling.

[0018] 4. By setting up the lifting mechanism and starting the second motor, the second motor drives the threaded rod to rotate, the threaded rod drives the threaded barrel to move, and the threaded barrel drives the bracket to move, so that the working height of the crane can be adjusted, making it convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a partial structural schematic diagram of the utility model;

[0021] Figure 3 It is a three-dimensional structural schematic diagram of the lifting mechanism of the utility model;

[0022] Figure 4 It is a three-dimensional structural diagram of the limiting mechanism of the utility model;

[0023] Figure 5 It is a schematic diagram of a partial three-dimensional structure of the drying mechanism of the utility model.

[0024] In the figure: 1. lifting mechanism; 101. base; 102. driving motor; 103. connecting frame; 104. variable-length winch; 105. connecting rope; 106. bracket; 107. storage frame; 108. guide wheel; 2. drying mechanism; 201. shell; 202. fan; 203. exhaust pipe; 204. heating net; 205. connecting pipe; 206. nozzle; 207. protective pipe; 208. waterproof cover; 3. limiting mechanism; 301. box; 302. first motor; 303. screw rod; 304. adjusting plate; 305. connecting column; 306. fixing plate; 307. limiting plate; 4. lifting mechanism; 401. fixing cylinder; 402. second motor; 403. threaded rod; 404. threaded cylinder. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The utility model provides a technical solution: an electric variable-length crane, including a hoisting mechanism 1, the hoisting mechanism 1 includes a base 101, a driving motor 102 is fixedly connected to the bottom of the inner cavity of the base 101, a connecting frame 103 is fixedly connected to the output end of the driving motor 102, a variable-length winch 104 is fixedly connected to the right side of the top of the connecting frame 103, a connecting rope 105 is arranged on one side of the variable-length winch 104, a bracket 106 is arranged on one side of the connecting rope 105, and a storage frame 107 is fixedly connected to the other side of the connecting rope 105; by setting the hoisting mechanism 1, starting the variable-length winch 104, and the variable-length winch 104 retracts and releases the connecting rope 105, the height of the storage frame 107 can be adjusted. , and then start the driving motor 102, the driving motor 102 drives the connecting frame 103 to rotate, which is convenient for adjusting the orientation of the storage frame 107, so as to facilitate the movement of materials, so as to facilitate the lifting work; the outer wall of the base 101 is provided with a ring groove, and the inner cavity of the ring groove is slidably connected with a slider, and one side of the slider is fixedly connected to the connecting frame 103. By setting the ring groove and the slider, the work of the connecting frame 103 is stabilized, and the connecting frame 103 is balanced and supported; both sides of the bracket 106 are movably connected with guide wheels 108, one side of the guide wheel 108 is in contact with the connecting rope 105, and the connecting rope 105 is guided by setting the guide wheel 108, so as to facilitate the lifting work.

[0027] See also Figure 1 and Figure 5 A drying mechanism 2 is provided on one side of the bracket 106, and the drying mechanism 2 includes a shell 201, the top of the shell 201 is fixedly connected to the bracket 106, the outer side of the bracket 106 is fixedly connected to a waterproof cover 208, the left side of the bottom of the inner cavity of the shell 201 is fixedly connected to a fan 202, the bottom of the fan 202 is connected to an exhaust pipe 203, the right side of the inner wall of the shell 201 is fixedly connected to a heating network 204, a connecting pipe 205 is sleeved on one side of the shell 201, one side of the connecting pipe 205 is connected to a nozzle 206, one side of the nozzle 206 is connected to the waterproof cover 208, and the surface of the connecting rope 105 A protective tube 207 is provided, and the bottom of the protective tube 207 is fixedly connected to the connecting frame 103. By arranging the drying mechanism 2, when working in the rainy season, rainwater is easily attached to the surface of the connecting rope 105, and the protective tube 207 and the waterproof cover 208 can achieve a certain rainproof effect. In addition, the fan 202 and the heating network 204 are started, and the gas is drawn in through the exhaust pipe 203, and then the air is heated through the heating network 204, and then the gas is sprayed onto the surface of the connecting rope 105 through the connecting pipe 205 and the nozzle 206, so as to dry the connecting rope 105, thereby improving the service life of the connecting rope 105.

[0028] See also Figure 1 and Figure 4 A limiting mechanism 3 is provided at the bottom of the storage frame 107. The limiting mechanism 3 includes a box body 301. A first motor 302 is fixedly connected to the left side of the inner cavity of the box body 301. A screw rod 303 is fixedly connected to the output end of the first motor 302. An adjusting plate 304 is threadedly connected to the surface of the screw rod 303. A connecting column 305 is fixedly connected to one side of the adjusting plate 304. A fixing plate 306 is fixedly connected to the right side of the connecting column 305. A limiting plate 307 is fixedly connected to one side of the fixing plate 306. One side of the limiting plate 307 is plugged into the storage frame 107. By setting the limiting mechanism 3, the goods are placed After the storage frame 107 is placed, the first motor 302 is started, and the first motor 302 drives the screw rod 303 to rotate, and the screw rod 303 drives the screw rod 303 to drive the adjustment plate 304 to move, and the adjustment plate 304 drives the connecting column 305 to move, and the connecting column 305 drives the fixed plate 306 to move, and the fixed plate 306 drives the limiting plate 307 to move, so as to limit the position of the goods and prevent the goods from falling; the inner cavity of the adjusting plate 304 is slidably connected with a sliding rod, and the left side of the sliding rod is fixedly connected to the box body 301. By setting the sliding rod, the operation of the adjusting plate 304 is stabilized, and the adjusting plate 304 is balanced and supported.

[0029] See also Figure 2 and Figure 3A lifting mechanism 4 is provided on one side of the connecting frame 103, and the lifting mechanism 4 includes a fixed cylinder 401, the bottom of the fixed cylinder 401 is fixedly connected to the connecting frame 103, the bottom of the inner cavity of the fixed cylinder 401 is fixedly connected to the second motor 402, the output end of the second motor 402 is fixedly connected to the threaded rod 403, the surface of the threaded rod 403 is threadedly connected to the threaded cylinder 404, and the top of the threaded cylinder 404 is fixedly connected to the bracket 106. By setting the lifting mechanism 4, starting the second motor 402, the second motor 402 drives the threaded rod 403 to rotate, the threaded rod 403 drives the threaded cylinder 404 to move, and the threaded cylinder 404 drives the bracket 106 to move, so that the working height of the crane can be adjusted, which is convenient for use; the back of the threaded cylinder 404 is fixedly connected to the vertical column, and the surface of the vertical column is slidably connected to the fixed cylinder 401. By setting the vertical column, the work of the threaded cylinder 404 is stabilized and the threaded cylinder 404 is prevented from rotating.

[0030] Working principle: by setting the hoisting mechanism 1, starting the luffing winch 104, the luffing winch 104 retracts and releases the connecting rope 105, so as to adjust the height of the storage frame 107, and then starting the driving motor 102, the driving motor 102 drives the connecting frame 103 to rotate, so as to facilitate the adjustment of the orientation of the storage frame 107, thereby facilitating the movement of materials and facilitating the hoisting work;

[0031] By setting the drying mechanism 2, when working in the rainy season, the surface of the connecting rope 105 is easy to adhere to rainwater, and the protective tube 207 and the waterproof cover 208 can play a certain rainproof effect, and the fan 202 and the heating net 204 are started, and the gas is sucked in through the exhaust pipe 203, and then the air is heated by the heating net 204, and then the gas is sprayed to the surface of the connecting rope 105 through the connecting pipe 205 and the nozzle 206, and the connecting rope 105 is dried, so that the service life of the connecting rope 105 can be improved;

[0032] By setting the limiting mechanism 3, after placing the goods on the storage frame 107, the first motor 302 is started, the first motor 302 drives the screw rod 303 to rotate, the screw rod 303 drives the screw rod 303 to drive the adjustment plate 304 to move, the adjustment plate 304 drives the connecting column 305 to move, the connecting column 305 drives the fixing plate 306 to move, the fixing plate 306 drives the limiting plate 307 to move, and the goods are limited to prevent the goods from falling;

[0033] By setting the lifting mechanism 4 and starting the second motor 402, the second motor 402 drives the threaded rod 403 to rotate, the threaded rod 403 drives the threaded cylinder 404 to move, and the threaded cylinder 404 drives the bracket 106 to move, so that the working height of the crane can be adjusted, thereby facilitating use.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electric luffing crane, comprising a hoisting mechanism (1), characterized in that: The hoisting mechanism (1) comprises a base (101), the bottom of the inner cavity of the base (101) is fixedly connected to a driving motor (102), the output end of the driving motor (102) is fixedly connected to a connecting frame (103), the right side of the top of the connecting frame (103) is fixedly connected to a luffing winch (104), a connecting rope (105) is provided on one side of the luffing winch (104), a bracket (106) is provided on one side of the connecting rope (105), and a storage frame (107) is fixedly connected to the other side of the connecting rope (105); A drying mechanism (2) is provided on one side of the support (106), and the drying mechanism (2) comprises a shell (201), the top of the shell (201) is fixedly connected to the support (106), the outer side of the support (106) is fixedly connected to a waterproof cover (208), the left side of the bottom of the inner cavity of the shell (201) is fixedly connected to a fan (202), the bottom of the fan (202) is connected to an exhaust pipe (203), the right side of the inner wall of the shell (201) is fixedly connected to a heating network (204), a connecting pipe (205) is sleeved on one side of the shell (201), one side of the connecting pipe (205) is connected to a nozzle (206), one side of the nozzle (206) is connected to the waterproof cover (208), and a protective pipe (207) is provided on the surface of the connecting rope (105), and the bottom of the protective pipe (207) is fixedly connected to the connecting frame (103).

2. The electric luffing crane according to claim 1, characterized in that: A limiting mechanism (3) is arranged at the bottom of the storage frame (107), and the limiting mechanism (3) comprises a box body (301), a first motor (302) is fixedly connected to the left side of the inner cavity of the box body (301), a screw rod (303) is fixedly connected to the output end of the first motor (302), an adjustment plate (304) is threadedly connected to the surface of the screw rod (303), a connecting column (305) is fixedly connected to one side of the adjustment plate (304), a fixing plate (306) is fixedly connected to the right side of the connecting column (305), a limiting plate (307) is fixedly connected to one side of the fixing plate (306), and one side of the limiting plate (307) is plugged into the storage frame (107).

3. The electric luffing crane according to claim 1, characterized in that: A lifting mechanism (4) is provided on one side of the connecting frame (103), and the lifting mechanism (4) comprises a fixed cylinder (401), the bottom of the fixed cylinder (401) is fixedly connected to the connecting frame (103), the bottom of the inner cavity of the fixed cylinder (401) is fixedly connected to a second motor (402), the output end of the second motor (402) is fixedly connected to a threaded rod (403), the surface of the threaded rod (403) is threadedly connected to a threaded cylinder (404), and the top of the threaded cylinder (404) is fixedly connected to the bracket (106).

4. The electric luffing crane according to claim 1, characterized in that: An annular groove is formed on the outer wall of the base (101), and a sliding block is slidably connected to the inner cavity of the annular groove, and one side of the sliding block is fixedly connected to the connecting frame (103).

5. The electric luffing crane according to claim 1, characterized in that: Both sides of the bracket (106) are movably connected with guide wheels (108), and one side of the guide wheel (108) is in contact with the connecting rope (105).

6. The electric luffing crane according to claim 2, characterized in that: The inner cavity of the adjustment plate (304) is slidably connected to a sliding rod, and the left side of the sliding rod is fixedly connected to the box body (301).

7. The electric luffing crane according to claim 3, characterized in that: The back side of the threaded cylinder (404) is fixedly connected to a vertical column, and the surface of the vertical column is slidably connected to the fixed cylinder (401).

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