CN216444923U

CN216444923U - Marine winch with overload protection function

Info

Publication number: CN216444923U
Application number: CN202120767671.6U
Authority: CN
Inventors: 顾社群; 朱新华; 杨成国; 季伟; 曾兵; 刘志鹏; 李晶波; 卢滨
Original assignee: Jiangsu Haitai Ship's Whole Set Ltd
Current assignee: Jiangsu Haitai Ship's Whole Set Ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2022-05-06
Anticipated expiration: 2031-04-14

Abstract

The utility model discloses a marine winch with overload protection function, which comprises a bottom plate, wherein vertical plates are vertically arranged at the left end and the right end of the top of the bottom plate, a transverse plate is arranged between the vertical plates, a steel cable can pull a movable plate to move upwards under the action of the weight of a heavy object, a return spring increases along with the compression amount under the condition that the heavy object is not overloaded, the elastic force is larger than the tensile force of the steel cable on the movable plate, so that although the movable plate moves upwards, a touch pressure block can not be contacted with a pressure sensor all the time, the compression amount of the return spring is maximum under the condition that the heavy object is overloaded, the elastic force is smaller than the tensile force of the steel cable on the movable plate, the movable touch pressure block is driven to be contacted with the pressure sensor to extrude the pressure sensor, the pressure sensor detects a pressure signal and can transmit the pressure signal to a control panel, and the control panel judges that the heavy object is overloaded after receiving the pressure signal, thereby realizing the function of overload protection.

Description

Marine winch with overload protection function

Technical Field

The utility model relates to the technical field of winches, in particular to a marine winch with an overload protection function.

Background

The marine winch can effectively operate when a ship is parked or parked on the shore, has a plurality of functions such as drifting, supporting and positioning in the loading and unloading process, and can compensate deviation generated by vibration by constant tension adjustment, is a light and small-sized hoisting device for hoisting or pulling a heavy object by winding a steel wire rope or a chain by using a winding drum, is widely applied due to simple operation, large rope winding amount and convenient displacement, and generally has hoisting operation on the ship, so the marine winch plays an important role in the ship hoisting plane, but the existing winch still has certain problems when in use, and the specific problems are as follows:

the existing winch is not provided with corresponding overload protection measures in the hoisting process, and due to the fact that the weight of objects hoisted by the winch is different, the winch is damaged when the weight of the hoisted objects exceeds the bearing limit of the winch, the service life of the winch is further shortened, and meanwhile the safety of the device in the using process is also reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a marine winch with an overload protection function, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a marine winch with an overload protection function comprises a bottom plate, wherein vertical plates are vertically arranged at the left end and the right end of the top of the bottom plate, a transverse plate is arranged between the vertical plates, guide rods are movably arranged at the left end and the right end of an inner cavity of the transverse plate, the tops of the two groups of guide rods extend out of the transverse plate and are provided with limiting blocks, movable plates are arranged at the bottoms of the two groups of guide rods, return springs are sleeved on the outer walls of the two groups of guide rods and are positioned between the movable plates and the transverse plate, a contact pressing block is arranged at one end, close to the guide rods, of the top of each movable plate, a pressure sensor is arranged at one end, close to the guide rods, of the bottom of each transverse plate, a pressing assembly is arranged at the bottom of each movable plate, a rotating shaft is arranged at one end, far away from the movable plates, of the pressing assembly through a bearing, a winding wheel is arranged on the outer wall of the rotating shaft, and a control panel is arranged at the upper end of the vertical plate at the right side, and the right side is provided with a driving assembly at the lower end of the vertical plate, the driving assembly is rotatably connected with the right end of the rotating shaft, and a lifting assembly is arranged at the bottom of the bottom plate.

Preferably, the pressing assembly comprises a guide roller, a connecting shaft, a sliding sleeve, a sliding rod, a positioning spring and a stop block, the sliding rod is located at the left end and the right end of the bottom of the movable plate, the stop block is arranged at the bottom of the sliding rod, the sliding sleeve and the positioning spring are sleeved on the outer wall of the sliding rod respectively, the positioning spring is located between the sliding sleeve and the stop block, the connecting shaft is arranged at one end, close to the movable plate, of the sliding sleeve, and the guide roller is installed between the connecting shafts.

Based on above-mentioned technical characteristics, through drop-down guide roll, the guide roll passes through the connecting axle and drives the sliding sleeve and slide down on the slide bar and compress positioning spring, is located the steel cable this moment between fly leaf and the guide roll, loosens the guide roll, and positioning spring's resilience force effect makes guide roll and steel cable contact, is convenient for carry on spacingly to the steel cable, avoids the condition that the slippage appears in the steel cable, influences the normal work of device.

Preferably, the guide roller is positioned above the winding wheel, and the vertical center lines of the guide roller and the winding wheel are not at the same position.

Based on the technical characteristics, when the steel cable is in contact with the guide roller, the traction direction can be converted into the vertical direction, and therefore the hoisting operation can be carried out.

Preferably, the left end and the right end of the winding wheel are provided with baffles, and the width of each baffle is larger than that of the winding wheel.

Based on above-mentioned technical characteristics, the condition of slippage can be avoided appearing at the in-process of rolling and unreeling to the setting of baffle.

Preferably, drive assembly includes driving shaft, action wheel, driving motor, connects the belt, follows driving wheel and driven shaft, driving motor is located the right side the lower extreme of guide roll, driving motor's power take off end is provided with the driving shaft, the outer wall of driving shaft is provided with the action wheel, the right side the one end that the driving shaft was kept away from to the guide roll is provided with the driven shaft, and the right-hand member of the left end axis of rotation of driven shaft rotates and connects, the outer wall of driven shaft is provided with from the driving wheel, and rotates with the action wheel through connecting the belt from the driving wheel and be connected.

Based on above-mentioned technical characteristics, driving motor passes through the driving shaft and drives the action wheel and rotate, and the action wheel drives from the driving wheel rotation through connecting the belt to make the driven shaft drive the axis of rotation and rotate, make the rolling wheel can carry out the work of rolling and unreeling the steel cable.

Preferably, the lifting assembly comprises rubber balls, a lifting plate and electric push rods, the electric push rods are located at the left end and the right end of the bottom plate, the lifting plate is installed at the top of the electric push rods, and the rubber balls are arranged at the top of the lifting plate at equal intervals.

Based on the technical characteristics, the electric push rod drives the lifting plate to move upwards to lock the winding wheel when working, and the rubber ball is directly contacted with the winding wheel, so that the friction force between the lifting plate and the winding wheel is increased, the situation that heavy objects fall due to the fact that the winding wheel is reversed is effectively avoided, and the safety performance of the device is improved.

Preferably, the center department at diaphragm top is provided with the battery, the top of riser all is provided with the bracing piece, and is two sets of solar cell panel is installed at the top of bracing piece, photovoltaic controller and battery's input electric connection are passed through to solar cell panel's output.

Based on the technical characteristics, the solar cell panel converts the light energy into the electric energy through the photovoltaic controller and stores the electric energy in the storage battery, so that the whole device is provided with a power source, and the device has the advantages of energy conservation and environmental protection.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the movable plate is pulled by the steel cable to move upwards under the action of the weight, the movable plate drives the guide rod to move upwards to compress the return spring, under the condition that the weight of the hoisted object is not overloaded, the elastic force of the return spring is larger than the tensile force of the steel cable to the movable plate along with the increase of the compression amount, so that the movable plate moves upwards, but the contact pressure block can not be contacted with the pressure sensor all the time due to the resilience force of the return spring, under the condition of overload of the hoisted object, the compression amount of the return spring reaches the maximum, at the moment, the elastic force is smaller than the pulling force of the steel cable to the movable plate, therefore, the movable plate moves upwards to drive the contact pressing block to contact with the pressure sensor to extrude the pressure sensor, the pressure sensor detects a pressure signal and can transmit the pressure signal to the control panel, and the control panel judges that the object is heavily overloaded after receiving the pressure signal, so that the overload protection function is realized;

(2) the driving motor is controlled to stop working through the control panel, the situation that the driving motor is overloaded to cause damage is avoided, meanwhile, the control panel controls the electric push rod to work, the electric push rod stretches out to drive the lifting plate to move upwards to lock the winding wheel, the rubber ball is directly contacted with the winding wheel at the moment, the friction force between the lifting plate and the winding wheel is increased, the winding wheel is effectively prevented from being reversed to enable the heavy object to fall, and further the safety of the device is higher.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. a support bar; 2. a limiting block; 3. a guide rod; 4. a return spring; 5. a movable plate; 6. a guide roller; 7. a winding wheel; 8. a rotating shaft; 9. a rubber ball; 10. a lifting plate; 11. a vertical plate; 12. an electric push rod; 13. a base plate; 14. a drive shaft; 15. a driving wheel; 16. a drive motor; 17. connecting a belt; 18. A driven wheel; 19. a driven shaft; 20. a baffle plate; 21. a control panel; 22. pressing the block in a touching manner; 23. a pressure sensor; 24. a transverse plate; 25. a storage battery; 26. a solar panel; 27. a connecting shaft; 28. a sliding sleeve; 29. A slide bar; 30. a positioning spring; 31. and a stop block.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of the present invention is shown: a marine winch with an overload protection function comprises a bottom plate 13, vertical plates 11 are vertically arranged at the left end and the right end of the top of the bottom plate 13, a transverse plate 24 is arranged between the vertical plates 11, a storage battery 25 is arranged at the center of the top of the transverse plate 24, supporting rods 1 are arranged at the tops of the vertical plates 11, solar cell panels 26 are arranged at the tops of two groups of supporting rods 1, the output ends of the solar cell panels 26 are electrically connected with the input end of the storage battery 25 through a photovoltaic controller, guide rods 3 are movably arranged at the left end and the right end of the inner cavity of the transverse plate 24, the tops of the two groups of guide rods 3 extend out of the transverse plate 24 and are provided with limiting blocks 2, movable plates 5 are arranged at the bottoms of the two groups of guide rods 3, reset springs 4 are sleeved on the outer walls of the two groups of guide rods 3, the reset springs 4 are both positioned between the movable plates 5 and the transverse plate 24, and contact pressing blocks 22 are arranged at the ends, close to the guide rods 3, of the tops of the movable plates 5, one end of the bottom of the transverse plate 24 close to the guide rod 3 is provided with a pressure sensor 23, the bottom of the movable plate 5 is provided with a pressing assembly, the pressing assembly comprises a guide roller 6, a connecting shaft 27, a sliding sleeve 28, a sliding rod 29, a positioning spring 30 and a stop block 31, the sliding rod 29 is positioned at the left end and the right end of the bottom of the movable plate 5, the bottom of the sliding rod 29 is provided with the stop block 31, the outer wall of the sliding rod 29 is respectively sleeved with the sliding sleeve 28 and the positioning spring 30, the positioning spring 30 is positioned between the sliding sleeve 28 and the stop block 31, one end of the sliding sleeve 28 close to the movable plate 5 is provided with the connecting shaft 27, the guide roller 6 is arranged between the connecting shafts 27, one end of the pressing assembly far away from the movable plate 5 is provided with a rotating shaft 8 through a bearing, the outer wall of the rotating shaft 8 is provided with a winding wheel 7, the guide roller 6 is positioned above the winding wheel 7, and the vertical center lines of the guide roller 6 and the winding wheel 7 are not at the same position, the left end and the right end of the winding wheel 7 are both provided with a baffle 20, the width of the baffle 20 is larger than that of the winding wheel 7, the upper end of a vertical plate 11 on the right side is provided with a control panel 21, the lower end of the vertical plate 11 on the right side is provided with a driving component, the driving component is rotatably connected with the right end of the rotating shaft 8, the driving component comprises a driving shaft 14, a driving wheel 15, a driving motor 16, a connecting belt 17, a driven wheel 18 and a driven shaft 19, the driving motor 16 is positioned at the lower end of the right guide roller 6, the power output end of the driving motor 16 is provided with the driving shaft 14, the outer wall of the driving shaft 14 is provided with the driving wheel 15, one end of the right guide roller 6, which is far away from the driving shaft 14, is provided with the driven shaft 19, the right end of the rotating shaft 8 at the left end of the driven shaft 19 is rotatably connected, the outer wall of the driven wheel 18 is provided with the driving wheel 15 through the connecting belt 17, the bottom of bottom plate 13 is provided with lifting unit, and lifting unit includes rubber ball 9, lifter plate 10 and electric putter 12, and both ends about electric putter 12 is located bottom plate 13 bottom, and lifter plate 10 is installed at the top of two sets of electric putter 12, and the top of lifter plate 10 is equidistant to be provided with rubber ball 9.

The working principle is as follows: when the device is used, the solar cell panel 26 receives illumination, the photovoltaic controller converts light energy into electric energy to be stored in the inner cavity of the storage battery 25, so that the device is provided with an electric power source, the consumption of the electric energy is reduced, the device has the advantages of energy conservation and environmental protection, the control panel 21 controls the driving motor 16 to be started, the driving motor 16 drives the driving wheel 15 to rotate through the driving shaft 14, the driving wheel 15 drives the driven wheel 18 to rotate through the connecting belt 17, so that the driven shaft 19 rotates to drive the rotating shaft 8 to rotate, and then the winding wheel 7 rotates to realize the work of winding and unwinding a steel cable, before hoisting, the winch pulls the guide roller 6 downwards through the pull-down guide roller 6, the guide roller 6 pulls the sliding sleeve 28 to slide downwards on the outer wall of the sliding rod 29 through the connecting shaft 27 to compress the positioning spring 30, so that the steel cable is positioned between the movable plate 5 and the guide roller 6, and then the guide roller 6 is loosened, the elastic force of the positioning spring 30 makes the guide roller 6 contact with the steel cable, which is convenient for limiting the steel cable, and avoids the situation that the steel cable slips, and further can convert the traction direction into the vertical direction, thereby being capable of performing lifting operation, in the lifting process, the steel cable can pull the movable plate 5 to move upwards under the action of the weight of a heavy object, the movable plate 5 drives the guide rod 3 to move upwards to compress the reset spring 4, and simultaneously can drive the movable pressing block 22 to move upwards, under the situation that the weight of the lifted object is not overloaded, the reset spring 4 increases along with the compression amount, the elastic force is larger than the tensile force of the steel cable to the movable plate 5, thereby the movable plate 5 moves upwards, but due to the resilience of the reset spring 4, the contact pressing block 22 can not contact with the pressure sensor 23 all the time, under the situation that the weight of the lifted object is overloaded, the compression amount of the reset spring 4 reaches the maximum, at this time, the elastic force is smaller than the pulling force of the steel cable on the movable plate 5, so that the movable plate 5 continues to move upwards until the pressure touching block 22 contacts and presses the pressure sensor 23, at this time, the pressure sensor 23 detects a pressure signal, can transmit the pressure signal to the control panel 21, the control panel 21 determines that the object is heavily overloaded after receiving the pressure signal, then the driving motor 16 is controlled to stop working, thereby realizing the function of overload protection and avoiding the damage of the driving motor 16, when the driving motor 16 stops rotating, the rotating shaft 8 stops rotating, meanwhile, the control panel 21 controls the electric push rod 12 to work, the electric push rod 12 extends out to drive the lifting plate 10 to move upwards until the rubber ball 9 is contacted with the winding wheel 7, the winding wheel 7 is further locked through the lifting plate 10, the phenomenon that heavy objects fall due to the fact that the winding wheel 7 is reversed is avoided, and safety performance of the device in use is improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims

1. A marine winch with an overload protection function comprises a bottom plate (13), and is characterized in that: the novel pressure-sensitive adhesive tape is characterized in that risers (11) are vertically installed at the left end and the right end of the top of the bottom plate (13), a transverse plate (24) is installed between the risers (11), guide rods (3) are movably arranged at the left end and the right end of an inner cavity of the transverse plate (24), the tops of two sets of the guide rods (3) extend out of the transverse plate (24) and are provided with limit blocks (2), movable plates (5) are installed at the bottoms of the two sets of the guide rods (3), reset springs (4) are sleeved on the outer walls of the two sets of the guide rods (3), the reset springs (4) are located between the movable plates (5) and the transverse plate (24), one ends, close to the guide rods (3), of the tops of the movable plates (5) are provided with pressure contact blocks (22), one ends, close to the guide rods (3), of the bottoms of the transverse plates (24) are provided with pressure sensors (23), and the bottoms of the movable plates (5) are provided with pressing assemblies, the one end that fly leaf (5) were kept away from to the pressing means is provided with axis of rotation (8) through the bearing, the outer wall of axis of rotation (8) is provided with rolling wheel (7), right side the upper end of riser (11) is provided with control panel (21), right side drive assembly is installed to the lower extreme of riser (11), and drive assembly and the right-hand member of axis of rotation (8) rotate and be connected, the bottom of bottom plate (13) is provided with elevating system.

2. The marine winch with the overload protection function according to claim 1, wherein: the pressing assembly comprises a guide roller (6), a connecting shaft (27), a sliding sleeve (28), a sliding rod (29), a positioning spring (30) and a stop block (31), the sliding rod (29) is located at the left end and the right end of the bottom of the movable plate (5), the stop block (31) is arranged at the bottom of the sliding rod (29), the sliding sleeve (28) and the positioning spring (30) are sleeved on the outer wall of the sliding rod (29) respectively, the positioning spring (30) is located between the sliding sleeve (28) and the stop block (31), the connecting shaft (27) is arranged at one end, close to the movable plate (5), of the sliding sleeve (28), and the guide roller (6) is installed between the connecting shaft (27).

3. The marine winch with the overload protection function according to claim 2, wherein: the guide roller (6) is positioned above the winding wheel (7), and the vertical center lines of the guide roller (6) and the winding wheel (7) are not at the same position.

4. The marine winch with the overload protection function according to claim 1, wherein: both ends all are provided with baffle (20) about rolling wheel (7), and the width of baffle (20) is greater than the width of rolling wheel (7).

5. The marine winch with the overload protection function according to claim 2, wherein: drive assembly includes driving shaft (14), action wheel (15), driving motor (16), connects belt (17), follows driving wheel (18) and driven shaft (19), driving motor (16) are located the right side the lower extreme of guide roll (6), the power take off end of driving motor (16) is provided with driving shaft (14), the outer wall of driving shaft (14) is provided with action wheel (15), right side the one end that driving shaft (14) were kept away from in guide roll (6) is provided with driven shaft (19), and the right-hand member of left end axis of rotation (8) of driven shaft (19) rotates and connects, the outer wall of driven shaft (19) is provided with from driving wheel (18), and rotates with action wheel (15) through connecting belt (17) from driving wheel (18) and is connected.

6. The marine winch with the overload protection function according to claim 1, wherein: the lifting assembly comprises rubber balls (9), lifting plates (10) and electric push rods (12), the electric push rods (12) are located at the left end and the right end of the bottom plate (13) and are two sets of the lifting plates (10) are installed at the tops of the electric push rods (12), and the rubber balls (9) are arranged at equal intervals at the tops of the lifting plates (10).

7. The marine winch with the overload protection function according to claim 1, wherein: the solar photovoltaic power generation device is characterized in that a storage battery (25) is arranged at the center of the top of the transverse plate (24), a support rod (1) is arranged at the top of the vertical plate (11), a solar cell panel (26) is installed at the top of the support rod (1), and the output end of the solar cell panel (26) is electrically connected with the input end of the storage battery (25) through a photovoltaic controller.