CN111976893B - Quick cable releasing device for ship - Google Patents

Quick cable releasing device for ship Download PDF

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Publication number
CN111976893B
CN111976893B CN202010922539.8A CN202010922539A CN111976893B CN 111976893 B CN111976893 B CN 111976893B CN 202010922539 A CN202010922539 A CN 202010922539A CN 111976893 B CN111976893 B CN 111976893B
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spring
image
cable
sub
fixedly connected
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CN111976893A (en
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龚俊嘉
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Guangzhou Ningmei Technology Co ltd
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Guangzhou Ningmei Technology Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/20—Adaptations of chains, ropes, hawsers, or the like, or of parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B45/00—Arrangements or adaptations of signalling or lighting devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/136—Segmentation; Edge detection involving thresholding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B2021/003—Mooring or anchoring equipment, not otherwise provided for
    • B63B2021/004—Quick release elements in mooring connections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/20—Adaptations of chains, ropes, hawsers, or the like, or of parts thereof
    • B63B2021/203—Mooring cables or ropes, hawsers, or the like; Adaptations thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10004—Still image; Photographic image

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Springs (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The invention discloses a quick cable releasing device for a ship, which comprises a ship body, wherein a fixed box is fixedly connected to the left side of the ship body, a ground pile is arranged on the left side of the ship body, sliding plates are slidably connected to the left side and the right side of the inner wall of the fixed box, a U-shaped connecting rod is fixedly connected to the right side of the bottom of each sliding plate, a cable is sleeved on the surface of each U-shaped connecting rod, one end, far away from each U-shaped connecting rod, of each cable penetrates through the bottom of the fixed box and is sleeved on the surface of the ground pile, and a lifting mechanism is fixedly connected to the left side and the right side of the. According to the invention, one end of the mooring rope is sleeved on the surface of the ground pile by a user, then the box body of the fixing box is opened, and the starting cylinder is started to descend, so that the problems of time and labor consumption caused by manual operation and cable release of most of the existing ships are solved, the labor force for manual cable release is reduced, the time for manual cable release is also reduced, and the cable release efficiency of the ships is also improved.

Description

Quick cable releasing device for ship
Technical Field
The invention relates to the technical field of ship cable releasing, in particular to a quick cable releasing device for a ship.
Background
A ship is a man-made vehicle that operates primarily in geographic water. In addition, a civil ship is generally called a ship, a military ship is called a ship, and a small-sized ship is called a boat or a boat, which is collectively called a ship or a boat.
The mooring releasing equipment is required to be used when the ship stops, most of existing ships are subjected to manual operation mooring releasing, time and labor are consumed, labor force for manual mooring releasing is increased, time for manual mooring releasing is also increased, and mooring releasing efficiency of the ships is also reduced.
Disclosure of Invention
In order to solve the problems in the background art, the invention aims to provide a quick cable releasing device for a ship, which has the advantage of quick cable releasing and solves the problems of time and labor consumption caused by the fact that most of existing ships release cables through manual operation.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a boats and ships are with quick cable release device, includes the boats and ships body, the fixed case of left side fixedly connected with of boats and ships body, the left side of boats and ships body is provided with the ground stake, the equal sliding connection in left side and the right side of fixed incasement wall has the slide, the right side fixedly connected with U type connecting rod of slide bottom, the hawser has been cup jointed on the surface of U type connecting rod, the one end that U type connecting rod was kept away from to the hawser runs through the bottom of fixed case and cup joints the surface at the ground stake, the left side and the equal fixedly connected with elevating system in right side of fixed incasement wall.
Preferably, the lifting mechanism comprises an air cylinder, the top of the air cylinder is fixedly connected with the bottom of the sliding plate, fixing rods are fixedly connected to the left side and the right side of the inner wall of the fixing box and correspond to the positions of the air cylinder, hollow fixing rings are fixedly sleeved on the inner sides of the fixing rods and are sleeved on the surface of the air cylinder, an L-shaped release rod is fixedly connected to the center of the top of the inner wall of the fixing box and is located on the inner side of the U-shaped connecting rod, and the bottom of the L-shaped release rod corresponds to the bottom of the cable.
Preferably, the left side and the right side of the bottom of the inner wall of the fixed box and the two sides of the air cylinder are fixedly connected with triangular fixed blocks, the inner sides of the triangular fixed blocks are fixedly connected with the surface of the air cylinder, and the triangular fixed blocks are matched with the air cylinder for use.
Preferably, the left side and the right side of the inner wall of the fixed box and the positions corresponding to the sliding plates are provided with sliding grooves, the length of each sliding groove is greater than that of each sliding plate, and the sliding grooves are matched with the sliding plates for use.
Preferably, the left side and the right side of the top of the inner wall of the fixed box are both fixedly connected with springs, the bottoms of the springs are fixedly connected with the top of the sliding plate, and the springs are matched with the sliding plate for use.
Preferably, the bottom of the fixed box and the position corresponding to the cable are provided with rubber pads, the cross section area of each rubber pad is larger than that of the cable, and the rubber pads are matched with the cable for use.
In one embodiment, the method further comprises: the device comprises a spring fault detection device, a controller and an alarm;
the controller is respectively connected with the spring fault detection device and the alarm and is used for controlling the alarm to send out a fault alarm prompt when the spring fault detection device determines that the spring has a fault;
the spring failure detection device includes:
the first acquisition module is arranged on the spring and used for acquiring a plurality of elongation information of the spring when the same first stretching force is applied to the spring for a plurality of times;
the second acquisition module is arranged on the spring and used for shooting a spring image when a first stretching force is applied to the spring;
the image processing module is arranged on the sliding plate and used for:
the spring image is subjected to normalization processing, the spring image subjected to normalization processing is subjected to image segmentation according to a preset rule to obtain a plurality of sub-spring images, and the plurality of sub-spring images are subjected to graying processing; the spring image only contains two spring rings;
acquiring a plurality of gap values between two spring rings in a plurality of sub-spring images and sequencing the gap values based on an image recognition technology for the sub-spring images subjected to graying, and selecting a maximum gap value;
the control module is arranged on the sliding plate, and is respectively connected with the first acquisition module, the second acquisition module and the image processing module, and is used for:
receiving a plurality of elongation information sent by the first acquisition module, calculating variance according to the elongation information, comparing the variance with a preset variance threshold, receiving a spring image shot by the second acquisition module when the variance is determined to be larger than the preset variance threshold, and controlling an image processing module to process the spring image;
and receiving the maximum clearance value sent by the image processing module, comparing the maximum clearance value with a preset clearance value, and sending the information of the spring fault to a controller when the maximum clearance value is determined to be larger than the preset clearance value.
In one embodiment, the control module further calculates a variance σ of the plurality of elongation information according to the following formula, including:
Figure BDA0002667224730000031
wherein S isiWhen a first stretching force is applied, the ith elongation information of the spring (10) is correspondingly acquired; n is the total number of elongation information.
In one embodiment, the image processing module further obtains a gap value L between two coils in the coil image according to the following formula,
Figure BDA0002667224730000032
wherein m is the number of pixel points contained in the sub-spring image; xjThe gray value of the jth pixel point in the sub-spring image is obtained; w is the shape complexity coefficient of the sub-spring image, and the value range is between (0, 1); p is the resolution of the sub-spring image; l is0Is the thickness of one coil.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention uses the combination of a ship body, a fixed box, a ground pile, a sliding plate, a U-shaped connecting rod, a cable and a lifting mechanism, one end of the cable is sleeved on the surface of the ground pile by a user, then a box body of the fixed box is opened, an air cylinder is started to descend, the air cylinder descends to drive the sliding plate to descend, the sliding plate is matched with a sliding groove to move downwards in a limiting way and simultaneously pull up a spring for doing work, then the sliding plate moves downwards to drive the U-shaped connecting rod to move downwards to the position of an L-shaped release rod, the user sleeves the other end of the cable on the surface of the U-shaped connecting rod, the air cylinder moves upwards to drive the sliding plate and the U-shaped connecting rod to move upwards to be contacted with the top of the inner wall of the fixed box, so that no gap is left between the U-shaped connecting rod and the cable to avoid the cable from being separated, when the cable is reasonably separated, the air cylinder moves downwards to drive, reach the effect of quick cable release, solved the most manual operation cable release of current boats and ships, problem consuming time power has reduced the labour of artifical cable release, has also reduced the time of artifical cable release, has also improved the efficiency that boats and ships were released the cable.
2. According to the invention, the triangular fixing block is arranged, so that the air cylinder can be assisted to work, and meanwhile, the fixing effect is achieved, the phenomenon that the air cylinder shakes when being pulled by a cable rope in the working process is avoided, and the working stability of the air cylinder is also improved.
3. According to the invention, through the arrangement of the sliding chute, the sliding plate can move up and down in the sliding chute, and meanwhile, the limiting effect is achieved, so that the phenomenon that the sliding plate deviates in the moving process is avoided, the friction of the sliding plate in the sliding chute is also reduced, and the service life of the sliding plate is prolonged.
4. The sliding plate can assist the sliding plate to work through the arrangement of the spring, simultaneously has the functions of resetting and buffering, avoids the phenomenon that the sliding plate generates noise due to friction in the moving process, and also reduces the friction resistance received by the sliding plate in the moving process.
5. According to the invention, the rubber pad is arranged, so that the cable can be assisted to work, and meanwhile, the protection effect is achieved, the phenomenon that the cable is broken due to the fact that the cable swings under the action of wind power and rubs against the inner wall of the fixed box is avoided, and the safety of mechanical work is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side cross-sectional view of the stationary box structure of FIG. 1 in accordance with the present invention;
FIG. 3 is a perspective view of the stationary box structure of FIG. 1 in accordance with the present invention;
FIG. 4 is a perspective view of the L-shaped release lever of FIG. 2 according to the present invention;
fig. 5 is a block diagram of a quick release cable device for a ship according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a spring according to an embodiment of the invention.
In the figure: 1. a vessel body; 2. a fixed box; 3. piling; 4. a slide plate; 5. a U-shaped connecting rod; 6. a cable; 7. a lifting mechanism; 71. a cylinder; 72. fixing the rod; 73. a hollow fixing ring; 74. an L-shaped stripping rod; 8. a triangular fixed block; 9. a chute; 10. a spring; 11. a rubber pad; 12. a spring failure detection device; 121. a first acquisition module; 122. a second acquisition module; 123. an image processing module; 124. a control module; 13. a controller; 14. an alarm.
Detailed Description
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.
As shown in fig. 1 to 4, the quick cable releasing device for the ship provided by the invention comprises a ship body 1, wherein a fixed box 2 is fixedly connected to the left side of the ship body 1, a ground pile 3 is arranged on the left side of the ship body 1, sliding plates 4 are slidably connected to the left side and the right side of the inner wall of the fixed box 2, a U-shaped connecting rod 5 is fixedly connected to the right side of the bottom of the sliding plate 4, a cable 6 is sleeved on the surface of the U-shaped connecting rod 5, one end, far away from the U-shaped connecting rod 5, of the cable 6 penetrates through the bottom of the fixed box 2 and is sleeved on the surface of the ground pile 3, and a lifting mechanism 7 is fixedly connected to the left side.
Referring to fig. 2, the lifting mechanism 7 includes a cylinder 71, the top of the cylinder 71 is fixedly connected to the bottom of the sliding plate 4, fixing rods 72 are fixedly connected to the left side and the right side of the inner wall of the fixing box 2 and corresponding to the positions of the cylinder 71, a hollow fixing ring 73 is fixedly sleeved on the inner side of each fixing rod 72 and sleeved on the surface of the cylinder 71, an L-shaped release rod 74 is fixedly connected to the inner side of the U-shaped connecting rod 5 at the center of the top of the inner wall of the fixing box 2, and the bottom of the L-shaped release rod 74 corresponds to the bottom of the cable.
Adopt above-mentioned scheme: through setting up elevating system 7, can make cylinder 71 work drive slide 4 and U type connecting rod 5 reciprocate in step to cooperation dead lever 72 and hollow solid fixed ring 73 make cylinder 71 working process more stable, also improve mechanical job stabilization.
Referring to fig. 2, the left side and the right side of the bottom of the inner wall of the fixing box 2 and the two sides of the cylinder 71 are fixedly connected with the triangular fixing blocks 8, the inner sides of the triangular fixing blocks 8 are fixedly connected with the surface of the cylinder 71, and the triangular fixing blocks 8 are matched with the cylinder 71 for use.
Adopt above-mentioned scheme: through the setting of triangle fixed block 8, can assist cylinder 71 to carry out work, play fixed effect simultaneously, avoided cylinder 71 to receive dragging of hawser 6 in the course of the work the phenomenon that appears rocking, also improved cylinder 71 job stabilization nature.
Referring to fig. 2, sliding grooves 9 are formed in the left side and the right side of the inner wall of the fixed box 2 and correspond to the sliding plates 4, the length of each sliding groove 9 is larger than that of each sliding plate 4, and the sliding grooves 9 are matched with the sliding plates 4 for use.
Adopt above-mentioned scheme: through the setting of spout 9, can make slide 4 reciprocate in spout 9 inside, play spacing effect simultaneously, avoid slide 4 the phenomenon of skew to appear at the in-process that removes, also reduce slide 4 at the inside friction of spout 9, increase slide 4's life.
Referring to fig. 2, the spring 10 is fixedly connected to both the left side and the right side of the top of the inner wall of the fixed box 2, the bottom of the spring 10 is fixedly connected to the top of the sliding plate 4, and the spring 10 is used in cooperation with the sliding plate 4.
Adopt above-mentioned scheme: through the setting of spring 10, can assist slide 4 to work, play the effect of buffering that resets simultaneously, avoided slide 4 to produce the phenomenon of noise because of the friction at the in-process that removes, also reduce the frictional resistance that slide 4 received in the removal process.
Referring to fig. 2, a rubber pad 11 is disposed at the bottom of the fixed box 2 and corresponding to the cable 6, the cross-sectional area of the rubber pad 11 is larger than that of the cable 6, and the rubber pad 11 is used in cooperation with the cable 6.
Adopt above-mentioned scheme: through the setting of rubber pad 11, can assist hawser 6 to carry out work, play the effect of protection simultaneously, avoided hawser 6 to receive wind-force to appear rocking and fixed 2 inner walls of case and produce the friction, lead to appearing cracked phenomenon, improve the security of mechanical work.
The working principle and the using process of the invention are as follows: when the device is used, one end of a cable 6 is sleeved on the surface of a ground pile 3 by a user, then a box body of a fixed box 2 is opened, a cylinder 71 is started to descend, the cylinder 71 descends to drive a sliding plate 4 to descend, the sliding plate 4 is matched with a sliding groove 9 to move downwards in a limiting mode and simultaneously pull a spring 10 to do work, then the sliding plate 4 moves downwards to drive a U-shaped connecting rod 5 to move downwards to the position of an L-shaped release rod 74, the user sleeves the other end of the cable 6 on the surface of the U-shaped connecting rod 5, the cylinder 71 moves upwards to drive the sliding plate 4 and the U-shaped connecting rod 5 to move upwards to be in contact with the top of the inner wall of the fixed box 2, a gap is sealed between the U-shaped connecting rod 5 and the cable 6, the cable 6 is prevented from being separated, when the cable is reasonably released, the cylinder 71 moves downwards to drive the U-shaped connecting rod 5 to move downwards to enable the cable 6 to be in contact with the L, the effect of quick cable release is achieved.
In summary, the following steps: the quick cable releasing device for the ship is used by matching a ship body 1, a fixed box 2, a ground pile 3, a sliding plate 4, a U-shaped connecting rod 5, a cable 6 and a lifting mechanism 7, wherein one end of the cable 6 is sleeved on the surface of the ground pile 3 by a user, then a box body of the fixed box 2 is opened, a starting cylinder 71 is started to descend, the cylinder 71 descends to drive the sliding plate 4 to descend, the sliding plate 4 is matched with a sliding groove 9 to move downwards in a limiting way and simultaneously pull up a spring 10 to do work, then the sliding plate 4 moves downwards to drive the U-shaped connecting rod 5 to move downwards to the position of an L-shaped releasing rod 74, the user sleeves the other end of the cable 6 on the surface of the U-shaped connecting rod 5, the cylinder 71 moves upwards to drive the sliding plate 4 and the U-shaped connecting rod 5 to move upwards to be in contact with the top of the inner wall of the fixed box 2, so that no gap is, starting cylinder 71 moves down, drives U type connecting rod 5 and moves down and makes hawser 6 contact L type take off pole 74, and 6 one side atress L type tow bar 74 of hawser make hawser 6 break away from U type connecting rod 5 and accomplish and break away from, reach the effect of taking off the cable fast, solved the most manual operation of current boats and ships and taken off the cable, problem consuming time and power.
As shown in fig. 5-6, in an embodiment, the method further includes: a spring failure detection device 12, a controller 13, and an alarm 14;
the controller 13 is respectively connected with the spring fault detection device 12 and the alarm 14, and is used for controlling the alarm 14 to send out a fault alarm prompt when the spring fault detection device 12 determines that the spring has a fault;
the spring failure detection device 12 includes:
the first acquisition module 121 is arranged on the spring 10 and used for acquiring a plurality of elongation information of the spring 10 when the same first stretching force is applied to the spring 10 for a plurality of times;
the second acquisition module 122 is arranged on the spring 10 and used for shooting a spring image when a first tensile force is applied to the spring;
an image processing module 123, disposed on the slide 4, for:
the spring image is subjected to normalization processing, the spring image subjected to normalization processing is subjected to image segmentation according to a preset rule to obtain a plurality of sub-spring images, and the plurality of sub-spring images are subjected to graying processing; the spring image only contains two spring rings;
acquiring a plurality of gap values between two spring rings in a plurality of sub-spring images and sequencing the gap values based on an image recognition technology for the sub-spring images subjected to graying, and selecting a maximum gap value;
the control module 124 is disposed on the slide plate 4, and is respectively connected to the first acquisition module 121, the second acquisition module 122, and the image processing module 123, and configured to:
receiving a plurality of elongation information sent by the first acquisition module 121, calculating a variance according to the elongation information, comparing the variance with a preset variance threshold, receiving a spring image shot by the second acquisition module 122 when the variance is determined to be greater than the preset variance threshold, and controlling an image processing module 123 to process the spring image;
and receiving the maximum gap value sent by the image processing module 123, comparing the maximum gap value with a preset gap value, and sending the information of the spring fault to the controller 13 when determining that the maximum gap value is greater than the preset gap value.
The working principle of the technical scheme is as follows: acquiring a plurality of elongation information through a first acquisition module 121, calculating a variance according to the elongation information, comparing the variance with a preset variance threshold, receiving a spring image shot by a second acquisition module 122 when the variance is determined to be greater than the preset variance threshold, and controlling an image processing module 123 to process the spring image; the image processing module 123 is configured to perform normalization processing on the spring image, perform image segmentation on the spring image after the normalization processing according to a preset rule to obtain a plurality of sub-spring images, and perform graying processing on the plurality of sub-spring images; the sub-spring image only contains two spring rings; the device is also used for acquiring and sequencing a plurality of gap values between two spring rings in a plurality of sub-spring images on the basis of an image recognition technology for the sub-spring images subjected to graying processing, and selecting a maximum gap value; the control module 124 receives the maximum gap value sent by the image processing module 123 and compares the maximum gap value with a preset gap value, when the maximum gap value is determined to be larger than the preset gap value, the information of the spring fault is sent to the controller 13, and when the controller 13 determines that the spring has the fault, the controller 14 is controlled to send out a fault alarm prompt. The sub-spring image only contains two spring rings, for example, the sub-spring image contains a first spring ring and a second spring ring, and the image processing module 123 obtains the gap value between the first spring ring and the second spring ring in the sub-spring image.
The beneficial effects of the above technical scheme are that: through two times of spring fault detection, the first time of fault detection is to calculate variance according to a plurality of elongation information and compare the variance with a preset variance threshold value; the second failure detection is to compare the maximum gap value sent by the image processing module 123 with a preset gap value; through twice fault detection, the accuracy of spring fault detection is improved, and when the spring breaks down, the control alarm 14 sends out a fault alarm prompt, so that maintenance personnel can replace the fault spring in time, the safe use of the quick cable releasing device for the ship is ensured, and the maintenance timeliness is improved.
In one embodiment, the control module further calculates a variance σ of the plurality of elongation information according to the following formula, including:
Figure BDA0002667224730000091
wherein S isiWhen a first stretching force is applied, the ith elongation information of the spring (10) is correspondingly acquired; n is an extensionTotal number of long amount of information.
In one embodiment, the image processing module further obtains a gap value L between two coils in the coil image according to the following formula,
Figure BDA0002667224730000092
wherein m is the number of pixel points contained in the sub-spring image; xjThe gray value of the jth pixel point in the sub-spring image is obtained; w is the shape complexity coefficient of the sub-spring image, and the value range is between (0, 1); p is the resolution of the sub-spring image; l is0Is the thickness of one coil. The variance is calculated according to the elongation information, the variance of the elongation of the spring under the same tensile force is obtained, the calculation is more accurate, and the accuracy of judging the variance and the preset variance threshold is improved. When the gap value between the two spring rings in the sub-spring image is calculated, the gap value is accurately calculated according to the number of pixel points contained in the sub-spring image, the shape complexity coefficient of the sub-spring image, the resolution ratio of the sub-spring image and other information, and the accuracy of judging the gap value and the preset gap value is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a boats and ships are with quick cable release device, includes boats and ships body (1), its characterized in that: the left side of the ship body (1) is fixedly connected with a fixed box (2), the left side of the ship body (1) is provided with a ground pile (3), the left side and the right side of the inner wall of the fixed box (2) are both connected with a sliding plate (4) in a sliding manner, the right side of the bottom of the sliding plate (4) is fixedly connected with a U-shaped connecting rod (5), the surface of the U-shaped connecting rod (5) is sleeved with a cable (6), one end, far away from the U-shaped connecting rod (5), of the cable (6) penetrates through the bottom of the fixed box (2) and is sleeved on the surface of the ground pile (3), and the left side and the right side of the bottom of the inner wall of the fixed box (;
the left side and the right side of the top of the inner wall of the fixed box (2) are fixedly connected with springs (10), the bottoms of the springs (10) are fixedly connected with the top of the sliding plate (4), and the springs (10) are matched with the sliding plate (4) for use;
further comprising: a spring fault detection device (12), a controller (13) and an alarm (14);
the controller (13) is respectively connected with the spring fault detection device (12) and the alarm (14) and is used for controlling the alarm (14) to send out a fault alarm prompt when the spring fault detection device (12) determines that the spring (10) has a fault;
the spring failure detection device (12) includes:
the first acquisition module (121) is arranged on the spring (10) and is used for acquiring a plurality of elongation information of the spring (10) when the same first stretching force is applied to the spring (10) for a plurality of times;
the second acquisition module (122) is arranged on the spring (10) and is used for shooting a spring image when a first tensile force is applied to the spring (10);
an image processing module (123) arranged on the slide (4) for:
the spring image is subjected to normalization processing, the spring image subjected to normalization processing is subjected to image segmentation according to a preset rule to obtain a plurality of sub-spring images, and the plurality of sub-spring images are subjected to graying processing; the spring image only contains two spring rings;
acquiring a plurality of gap values between two spring rings in a plurality of sub-spring images and sequencing the gap values based on an image recognition technology for the sub-spring images subjected to graying, and selecting a maximum gap value;
the control module (124) is arranged on the sliding plate (4), is respectively connected with the first acquisition module (121), the second acquisition module (122) and the image processing module (123), and is used for:
receiving a plurality of elongation information sent by the first acquisition module (121), calculating a variance according to the elongation information, comparing the variance with a preset variance threshold, receiving a spring image shot by the second acquisition module (122) when the variance is determined to be greater than the preset variance threshold, and controlling an image processing module (123) to process the spring image;
and receiving the maximum gap value sent by the image processing module (123), comparing the maximum gap value with a preset gap value, and sending the information of the spring fault to a controller (13) when the maximum gap value is determined to be larger than the preset gap value.
2. The quick mooring releasing device for the ship according to claim 1, wherein: elevating system (7) include cylinder (71), the top of cylinder (71) and the bottom fixed connection of slide (4), the left side and the right side of fixed case (2) inner wall and the equal fixedly connected with dead lever (72) in position that corresponds cylinder (71), the inboard of dead lever (72) and cup joint and cup jointed at the fixed surface of cylinder (71) and have cup jointed hollow solid fixed ring (73), the inboard fixedly connected with L type that the center department at fixed case (2) inner wall top just is located U type connecting rod (5) takes off pole (74), the bottom that the L type takes off pole (74) corresponds the bottom of hawser (6).
3. The quick mooring releasing device for the ship according to claim 2, wherein: the utility model discloses a fixed case (2) is fixed, the left side and the right side of fixed case (2) inner wall bottom just are located equal fixedly connected with triangle fixed block (8) in both sides of cylinder (71), the inboard fixed surface with cylinder (71) of triangle fixed block (8) is connected, triangle fixed block (8) are used with cylinder (71) cooperation.
4. The quick mooring releasing device for the ship according to claim 1, wherein: the left side and the right side of fixed case (2) inner wall just correspond the position of slide (4) and seted up spout (9), the length of spout (9) is greater than the length of slide (4), spout (9) and slide (4) cooperation are used.
5. The quick mooring releasing device for the ship according to claim 1, wherein: the bottom of the fixed box (2) is provided with a rubber pad (11) corresponding to the position of the cable (6), the cross section area of the rubber pad (11) is larger than that of the cable (6), and the rubber pad (11) is matched with the cable (6) for use.
6. The quick mooring releasing device for the ship according to claim 1, wherein: the control module further calculates a variance σ of the plurality of elongation information according to the following formula, including:
Figure FDA0003022694520000031
wherein S isiWhen a first stretching force is applied, the ith elongation information of the spring (10) is correspondingly acquired; n is the total number of elongation information.
7. The quick mooring releasing device for the ship according to claim 1, wherein: the image processing module also obtains a gap value L between two spring rings in the sub-spring image according to the following formula,
Figure FDA0003022694520000032
wherein m is the number of pixel points contained in the sub-spring image; xjAs a bulletThe gray value of the jth pixel point in the reed image; w is the shape complexity coefficient of the sub-spring image, and the value range is between (0, 1); p is the resolution of the sub-spring image; l is0Is the thickness of one coil.
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CN211036880U (en) * 2019-06-21 2020-07-17 扬州市润春机械制造有限公司 Use convenient bollard
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KR20150092998A (en) * 2014-02-06 2015-08-17 오재원 Mooring post cover
US9630682B1 (en) * 2015-11-04 2017-04-25 Verl Yost Rope storage system
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