CN210802288U

CN210802288U - Device for measuring distance from springboard to wharf

Info

Publication number: CN210802288U
Application number: CN201922001990.1U
Authority: CN
Inventors: 周智; 李海龙; 郭迎新; 葛俊波; 陈骏生
Original assignee: Cssc Huahai Marine Equipment Co ltd; 708th Research Institute of CSIC
Current assignee: Cssc Huahai Marine Equipment Co ltd; 708th Research Institute of CSIC
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-06-19
Anticipated expiration: 2029-11-19

Abstract

The utility model relates to a shipping technology field specifically discloses a springboard is to measuring device of pier distance. The measuring device comprises: the device comprises a measuring winch, a wire part, a rope, a weight, an electric control system and a first sensor. The measuring winch is arranged on the ship body; the wire part is rotatably arranged at the tail end of the first section of springboard; one end of the rope is wound on the measuring winch, and the other end of the rope is abutted against the wire guiding part and extends out of the wire guiding part; the weight is connected to the other end of the rope and is in contact with the wharf surface; the electric control system is electrically connected with the measuring winch; the first sensor is electrically connected with the electric control system and used for detecting the tension on the rope; the measuring winch controls the winding and unwinding of the rope, the tension of the rope is kept within a preset range, and the measuring winch can detect the length of the winding and unwinding of the rope. The utility model provides a measuring device can real time monitoring springboard to the pier distance, when the springboard is less than safe distance to the distance of pier, reminds the staff to adjust, alleviates staff's intensity and pressure.

Description

Device for measuring distance from springboard to wharf

Technical Field

The utility model relates to a shipping technology field especially relates to a springboard is to measuring device of pier distance.

Background

Gangboards are arranged on the left side and the right side of the ship and generally comprise a first gangboard and a second gangboard. When the side leans against the wharf, the first section of springboard is suspended above the wharf through the stretching device of the ship body, the front end of the second section of springboard is in lap joint with the tail end of the first section of springboard, and the tail end of the second section of springboard is placed on the wharf, so that a passage from the ship to the wharf is formed, personnel and vehicles can enter and exit the ship through the springboard, the opening angle and the position of the first section of springboard are required to be adjusted along with the height of tidal water, and the situation that the springboard collides with the wharf is prevented. In the prior art, a sensor, such as an ultrasonic sensor, is used for measuring the distance from a springboard to a wharf, but the wharf has various forms, and when some wharfs wade, the sensor detects the distance from the springboard to the water surface, so that the distance from the springboard to the wharf cannot be accurately reflected. Therefore, when the loading and unloading operation is performed, a worker needs to constantly monitor the distance between the springboard and the wharf to ensure the smooth operation of the loading and unloading operation, the labor intensity and the pressure of the worker are high, and the safety and the efficiency of the loading and unloading operation are low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a springboard is to measuring device of pier distance avoids the staff to monitor the springboard constantly and to the distance of pier to solve staff's the big problem of intensity of labour.

To achieve the purpose, the utility model adopts the following technical proposal:

a device for measuring the dock-to-dock distance of a diving board, comprising:

the measuring winch is arranged on the ship body;

the wire guide mechanism is arranged at the tail end of the first springboard;

one end of the rope is wound on the measuring winch, and the other end of the rope is abutted against the wire guiding mechanism and extends out of the wire guiding mechanism;

a weight connected to the other end of the rope and capable of contacting the dock surface;

the electric control system is electrically connected with the measuring winch;

the first sensor is used for detecting the tension on the rope and is electrically connected with the electric control system;

the measuring winch controls the rope to be wound and unwound, enables the tensile force of the rope to be kept within a preset range, and can detect the length of the rope to be wound and unwound.

Preferably, said preset range of rope tension is: the tension of the rope is greater than zero and less than the weight of the weight.

Preferably, the wire guiding mechanism includes a moving portion and a wire guiding portion, the moving portion is connected to the wire guiding portion, the other end of the rope abuts against the wire guiding portion and extends out of the wire guiding portion, and the moving portion can enable the wire guiding portion to be located at a first position in an operating state or a second position in a retracted state.

Preferably, the ship body further comprises a first pulley mechanism, the first pulley mechanism is arranged on the ship body and located between the measuring winch and the wire guiding mechanism, the rope is wound on the first pulley mechanism, and the first pulley mechanism is provided with the first sensor.

Preferably, the first pulley mechanism comprises a first pulley and a first pulley fixing member, the first pulley fixing member is fixedly connected to the hull, the first pulley is rotatably connected to the first pulley fixing member, and the rope is wound around the first pulley.

Preferably, the first sensor is a pin sensor, and the first pulley is rotatably connected to the first pulley fixing member through the pin sensor.

Preferably, the boat further comprises a second pulley mechanism arranged on the boat body, the second pulley mechanism is arranged adjacent to the first pulley mechanism and is located between the first pulley mechanism and the wire guiding mechanism, and the rope is wound on the second pulley mechanism.

Preferably, the second pulley mechanism includes a second pulley and a second pulley fixing member, the second pulley fixing member is fixedly connected to the hull, the second pulley is rotatably connected to the second pulley fixing member, and the rope is wound around the second pulley.

Preferably, the second pulley mechanism further comprises a rope blocking mechanism connected to the second pulley fixing member, and the rope blocking mechanism is arranged on one side of the second pulley mechanism, which is far away from the first pulley mechanism.

Preferably, the survey winch comprises:

the variable frequency motor is electrically connected with the electric control system;

one end of the speed reducer is connected with the variable frequency motor in a transmission way;

a drum fixedly connected to an output shaft of the speed reducer, the rope being wound around the drum;

and the angular displacement measuring part is connected to the output shaft of the speed reducer, is electrically connected with the electric control system, and can detect the rotation angle of the output shaft of the speed reducer.

The utility model provides a springboard is to measuring device of pier distance's beneficial effect does: after the heavy object is connected with the rope, the measuring winch controls the rope to be wound and unwound, the tension on the rope is kept within a preset range, the measuring winch detects the length of the rope to be wound and unwound, and when the length of the rope to be wound and unwound is smaller than a preset safe length, namely the distance from the springboard to the wharf is smaller than a safe distance, data are transmitted to the electric control system, and an operator is reminded to adjust the rope. The utility model provides a springboard to the measuring device of pier distance and springboard to the measuring method of pier distance can be applicable to the pier of any form, can real time monitoring springboard to pier distance, has improved security and the efficiency of loading and unloading year operation in-process, has alleviateed staff's intensity and pressure.

Drawings

Fig. 1 is a schematic simulation diagram of a device for measuring a dock distance from a springboard according to an embodiment of the present invention;

fig. 2 is a schematic view of a device for measuring a distance from a springboard to a dock according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a schematic structural diagram of a wire guiding mechanism according to an embodiment of the present invention;

fig. 5 is a cross-sectional view of a wire guiding mechanism provided by an embodiment of the present invention;

fig. 6 is a cross-sectional view of a first pulley mechanism provided in an embodiment of the present invention;

fig. 7 is a cross-sectional view of a second pulley mechanism provided by an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a second pulley mechanism according to an embodiment of the present invention;

fig. 9 is a structural diagram of a measurement winch according to an embodiment of the present invention.

In the figure:

1-measuring the winch; 11-an air cooler; 12-a variable frequency motor; 13-a speed reducer; 14-a reel; 15-an encoder;

2-a first pulley mechanism; 21-a first ear plate; 22-a first pulley; 23-a pin sensor; 24-a first seat;

3-a second pulley mechanism; 31-a rope stopping mechanism; 32-a second pulley; 33-a second axis of rotation; 34-a second ear plate; 35-a second support;

4-a rope;

5-a wire guiding mechanism; 51-a swing power member; 52-a base; 53-pulley swing arm; 54-a lead portion;

6-weight;

7-a ship body;

8-first section springboard.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.

In the present invention, the terms of orientation are defined, and in the case where no description is given to the contrary, the terms of orientation used such as "upper", "lower", "left" and "right" are defined in the normal use case of the present invention, and are consistent with the directions of the upper, lower, left and right directions shown, and "inner" and "outer" refer to the inside and outside of the outline of each component itself. These directional terms are used for ease of understanding and are not intended to limit the scope of the present invention.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment provides a device for measuring the distance from a springboard to a wharf, which is used for monitoring the distance from the springboard to the wharf in real time when a ship stops at the wharf to load and unload goods so as to reduce the labor intensity of workers.

As shown in fig. 1-2, the device for measuring the dock-to-dock distance of a springboard provided by the present embodiment includes a winch 1, a wire mechanism 5, a rope 4, a weight 6, an electric control system, and a first sensor. The measuring winch 1 is arranged on the ship body 7 and is electrically connected with an electric control system. The wire mechanism 5 is arranged at the tail end of the first springboard section 8, one end of the rope 4 is wound on the measuring winch 1, and the other end of the rope is wound on the wire mechanism 5 and extends out of the wire mechanism 5. In the present embodiment, the rope 4 is a steel wire rope, which is not limited herein. The weight 6 is connected to the other end of the rope 4 and is in contact with the wharf surface; the first sensor is used for detecting the tension on the rope 4 and is electrically connected with the electronic control system.

The measurement winch 1 controls the winding and unwinding of the rope 4, the tension of the rope 4 is kept within a preset range, the measurement winch 1 can detect the length of the winding and unwinding of the rope 4 and transmit data to the electric control system, when the distance from the first springboard 8 to the wharf is smaller than a safe distance, an operator is reminded to adjust, the safety and the efficiency in the loading and unloading operation process are improved, and the intensity and the pressure of workers are reduced.

Specifically, the utility model provides a springboard is to measuring device of pier distance, when using, the staff hangs heavy object 6 on rope 4 to with 4 butts of rope behind wire mechanism 5, make rope 4 between wire mechanism 5 and the heavy object 6 be in vertical state, set for reference zero point, show this moment that the measuring distance is zero, set up the safe distance of first section springboard 8 to pier. The measuring winch 1 is controlled to release the rope, after the heavy object 6 contacts the wharf, part of the weight of the heavy object 6 is supported by the wharf, namely the rope 4 also has pulling force applied to the heavy object 6, the pulling force of the rope 4 is kept within a preset range, a safe distance is set by taking a reference zero point as a reference according to the actual situation of the wharf, and when the measured distance is displayed to be smaller than the safe distance, the opening angle of the first springboard section 8 needs to be adjusted, so that the distance between the first springboard section 8 and the wharf is increased. Of course, the reference zero point may be other positions, and is not limited herein.

The utility model provides a springboard is to measuring device of pier distance no matter what kind of form's pier, all can real time monitoring springboard to pier distance.

Preferably, said preset range of rope 4 tension is: the tension of the rope 4 is greater than zero and less than the weight of the weight 6. In this embodiment, the weight 6 is a steel ball, the steel ball abuts against the dock surface, and the rope tension F is set within a certain range that is smaller than the gravity G of the steel ball and larger than zero. The weight of the weight 6 is an important factor, and if the weight of the weight 6 is too small, the set value range is smaller, and the influence of the water flow is easily caused. If the weight of the weight 6 is too large, the installation is not convenient for workers. Through tests, the steel ball with the weight of 16kg is selected, and the effect is good. When the tension F of the rope 4 is larger than the preset range value, the electric control system controls the measuring winch 1 to unwind the rope, so that the tension F of the rope 4 reaches the preset range again; when the tension F of the rope 4 is smaller than the preset range, the electric control system controls the measuring winch 1 to take up the rope, so that the tension F of the rope 4 reaches the preset range again.

In other embodiments, the weight 6 may have other shapes or structures, and the predetermined range of the tension of the rope 4 is greater than zero and less than the gravity of the weight 6.

In the present embodiment, the wire guiding mechanism 5 includes a moving portion and a wire guiding portion (54), the moving portion is connected to the wire guiding portion 54 and can enable the wire guiding portion 54 to be located at a first position of an operating state and a second position of a retracted state, as shown in fig. 3-5, in the present embodiment, the moving portion is in a swing mode to realize switching between the first position and the second position, in other embodiments, other types of mechanisms such as stretching and folding may also be adopted, and the mechanism is not limited herein. The wire portion 54 is a pulley, and in other embodiments, other structures may be adopted as long as the wire portion 54 can support the rope 4, and the structure is not limited herein. The pulley can reduce the abrasion of the rope 4, and the rope 4 can be more conveniently taken up and paid off. The moving part includes a base 52, a swing power member 51, and a pulley swing arm 53. The base 52 is fixedly attached to the diving board. The swing power member 51 is fixedly connected to the base 52, and in the present embodiment, the swing power member 51 is a swing cylinder. In other embodiments, the swing power member 51 may have other structures, which is not limited herein. One end of the pulley swing arm 53 is connected to the swing power piece 51, and the wire portion 54 is rotatably connected to the other end of the pulley swing arm 53, so that the swing power piece 51 can drive the pulley swing arm 53 to rotate.

When the first springboard segment 8 is suspended on the wharf, the wire guiding mechanism 5 swings to the first position of the working state, that is, the wire guiding portion 54 is in the extending state relative to the first springboard segment 8; when the first diving board 8 is retracted into the hull 7 and the first diving board 8 is retracted or extended, the wire guiding mechanism 5 swings to the second position of the retracted state, that is, the wire guiding portion 54 is retracted into the first diving board 8, so that the wire guiding portion 54 is prevented from interfering with the hull 7, and the wire guiding portion 54 is prevented from touching the hull 7 when the first diving board 8 is closed.

In this embodiment, the utility model provides a springboard still includes first pulley mechanism 2 to the measuring device of pier distance, and first pulley mechanism 2 sets up in hull 7, and first pulley mechanism 2 is located between measurement winch 1 and the wire mechanism 5, and rope 4 twines in first pulley mechanism 2, and first pulley mechanism 2 is provided with first sensor. The first pulley mechanism 2 can change the extending direction of the rope 4, so that the rope 4 is wound on the first pulley mechanism 2 at a certain angle. When the angle is fixed, the calculation can be more accurate when the first sensor detects the tension of the rope 4.

As shown in fig. 6, in the present embodiment, the first pulley mechanism 2 includes a first pulley 22 and a first pulley fixing member, the first pulley fixing member is fixedly connected to the hull 7, the first pulley 22 is rotatably connected to the first pulley fixing member, and the rope 4 is wound around the first pulley 22. Preferably, the first pulley fixing member is a first lug plate 21 and a first support 24, the first support 24 is fixedly connected to the hull 7, the first lug plate 21 is fixedly connected to the first support 24, the first lug plate 21 is divided into a left part and a right part, the left part and the right part are distributed on two sides of the first pulley 22, and a first rotating shaft passes through the middle between the first pulley 22 and the first lug plate 21 to rotatably connect the first pulley 22 to the first lug plate 21. In other embodiments, the first pulley fixing member may also have other shapes or structures, which are not limited herein.

In this embodiment, the first sensor is a pin sensor 23, and the pin sensor 23 can detect the tension of the rope 4. The pin sensor 23 may have an amplifier built therein to convert a stress-strain signal detected by the sensor into a milliampere current signal, thereby realizing long-distance transmission to an electric control system. The pin sensor 23 can also be used as a rotating shaft of the first pulley 22 to fix the first pulley 22 on the first pulley fixing member, and an additional rotating shaft is not required to be arranged, so that the structure of the first pulley mechanism 2 is simpler. In other embodiments, the first sensor may be a tension sensor disposed on the rope 4, and may be of other sensor types or disposed at other positions, which are not limited herein.

In this embodiment, the utility model provides a device for measuring dock distance is still including setting up in the second pulley mechanism 3 of hull 7, and second pulley mechanism 3 sets up side by side with first pulley mechanism 2 to be located between first pulley mechanism 2 and wire mechanism 5, rope 4 twines in second pulley mechanism 3. The second pulley mechanism 3 is arranged to wind the rope 4 around the first pulley mechanism 2 at a fixed angle, and the pull force value of the rope 4 detected by the pin sensor 23 is more accurate. The extending direction of the rope 4 can be changed by changing the relative positions of the first pulley mechanism 2 and the second pulley mechanism 3 so as to adapt to various field operation conditions.

As shown in fig. 7-8, in the present embodiment, the second pulley mechanism 3 includes a second pulley 32 and a second pulley fixing member, the second pulley fixing member is fixedly connected to the hull 7, the second pulley 32 is rotatably connected to the second pulley fixing member, and the rope 4 is wound around the second pulley 32.

In this embodiment, the second pulley mechanism 3 further includes a rope blocking mechanism 31 connected to the second pulley fixing member, and the rope blocking mechanism 31 is disposed on a side of the second pulley mechanism 3 away from the first pulley mechanism 2. The rope stopping mechanism 31 is wrapped around the second pulley 32 in an arc shape, and the rope stopping mechanism 31 can prevent the rope 4 from falling off from the second pulley 32.

Preferably, the second pulley securing member is a second lug 34 and a second abutment 35. The second support 35 is fixedly connected to the hull 7, the second lug plate 34 is fixedly connected to the second support 35, the second lug plate 34 is divided into a left lug plate and a right lug plate, the left lug plate and the right lug plate are distributed on two sides of the second pulley 32, and the second rotating shaft 33 penetrates through the middle of the second pulley 32 and the second lug plate 34 to rotatably connect the second pulley 32 to the second lug plate 34. In other embodiments, the second pulley fixing member may also have other shapes or structures, which are not limited herein.

As shown in fig. 9, in the present embodiment, the measurement winch 1 includes a variable frequency motor 12, a speed reducer 13, a drum 14, and an angular displacement measuring member. The variable frequency motor 12 is electrically connected with the electric control system. One end of the speed reducer 13 is connected to the variable frequency motor 12 in a transmission manner. The drum 14 is fixedly connected to an output shaft of the speed reducer 13, and the rope 4 is wound around the drum 14. The angular displacement measuring part is connected to an output shaft of the speed reducer 13, is electrically connected with the electric control system, and can detect the rotation angle of the output shaft of the speed reducer 13. Preferably, the angular displacement measuring element is an encoder 15, and the encoder 15 measures the angle of rotation of the winch 1, so as to obtain the stored length of the rope 4. One side transmission that inverter motor 12 kept away from speed reducer 13 is connected with air-cooler 11, and air-cooler 11 is used for inverter motor 12's cooling, when avoiding inverter motor 12 high temperature, causes the influence to the measurement.

In this embodiment, the utility model provides a device for measuring the distance from the springboard to the wharf has the following measuring steps:

the first step is as follows: selecting the mass of the weight 6, and setting a preset range of the tension of the rope 4;

the second step is that: one end of a rope 4 is wound on the measuring winch 1, and the other end of the rope is connected with a heavy object 6 and then abuts against the wire part 54 and extends out of the wire part 54;

the third step: setting a reference zero point and setting a safe distance from the first springboard 8 to the wharf;

the fourth step: the weight 6 is abutted against the wharf surface,

the fifth step: when the tension of the rope 4 exceeds a preset range, the measuring winch 1 controls the winding and unwinding of the rope 4 to keep the tension of the rope 4 within the preset range, and detects the winding and unwinding length of the rope 4;

sixthly; when the length of the rope 4 is less than the preset safety distance, a warning prompt is sent out, and at the moment, the opening angle of the first springboard 8 is adjusted.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. It will be apparent to those skilled in the art that other variations and modifications may be made in the foregoing description, and it is not necessary or necessary to exhaustively enumerate all embodiments herein. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A device for measuring the dock-to-dock distance of a diving board, comprising:

the measuring winch (1) is arranged on the ship body (7);

the wire guide mechanism (5) is arranged at the tail end of the first hop plate (8);

one end of the rope (4) is wound on the measuring winch (1), and the other end of the rope is abutted against the wire guiding mechanism (5) and extends out of the wire guiding mechanism (5);

a weight (6) connected to the other end of the rope (4) and capable of contacting the wharf surface;

the electric control system is electrically connected with the measuring winch (1);

the first sensor is used for detecting the tension on the rope (4) and is electrically connected with the electric control system;

the measuring winch (1) controls the rope (4) to be wound and unwound, the tension of the rope (4) is kept within a preset range, and the measuring winch (1) can detect the length of the rope (4) to be wound and unwound.

2. Device for measuring the dock-to-dock distance of a gangway according to claim 1, wherein the predetermined range of tension of the rope (4) is: the tension of the rope (4) is greater than zero and less than the weight of the weight (6).

3. The device for measuring the dock-to-dock distance according to claim 1, wherein the wire guiding mechanism (5) comprises a moving portion and a wire guiding portion (54), the moving portion is connected to the wire guiding portion (54), the other end of the rope (4) abuts against the wire guiding portion (54) and is disposed to extend out of the wire guiding portion (54), and the moving portion can enable the wire guiding portion (54) to be located at a first position in an operating state or a second position in a retracted state.

4. The device for measuring the dock-to-dock distance of a diving board according to claim 1, further comprising a first pulley mechanism (2), wherein said first pulley mechanism (2) is disposed on said hull (7), and said first pulley mechanism (2) is located between said measuring winch (1) and said wire mechanism (5), and said rope (4) is wound around said first pulley mechanism (2), and said first pulley mechanism (2) is provided with said first sensor.

5. The device for measuring the dock-to-dock distance of claim 4, wherein the first pulley mechanism (2) comprises a first pulley (22) and a first pulley mount, the first pulley mount being fixedly connected to the hull (7), the first pulley (22) being rotatably connected to the first pulley mount, the rope (4) being wound around the first pulley (22).

6. The device for measuring the dock-to-dock distance of claim 5, wherein the first sensor is a pin sensor (23), and the first pulley (22) is rotatably connected to the first pulley mount via the pin sensor (23).

7. The device for measuring the dock-to-dock distance of a diving board according to claim 4, further comprising a second pulley mechanism (3) disposed on said hull (7), said second pulley mechanism (3) being disposed adjacent to said first pulley mechanism (2) and between said first pulley mechanism (2) and said wire guide mechanism (5), said rope (4) being wound around said second pulley mechanism (3).

8. The device for measuring the dock-to-dock distance of claim 7, wherein the second pulley mechanism (3) comprises a second pulley (32) and a second pulley mount, the second pulley mount being fixedly attached to the hull (7), the second pulley (32) being rotatably attached to the second pulley mount, the rope (4) being wound around the second pulley (32).

9. Device for measuring the dock-to-dock distance of a ramp according to claim 8, wherein the second pulley mechanism (3) further comprises a rope stopping mechanism (31) connected to the second pulley fixture, the rope stopping mechanism (31) being arranged on the side of the second pulley mechanism (3) remote from the first pulley mechanism (2).

10. The device for measuring the dock-to-dock distance of a diving board according to claim 1, wherein said measuring winch (1) comprises:

the variable frequency motor (12) is electrically connected with the electric control system;

a speed reducer (13) one end of which is connected with the variable frequency motor (12) in a transmission way;

a drum (14) fixedly connected to an output shaft of the speed reducer (13), the rope (4) being wound around the drum (14);

and the angular displacement measuring part is connected to the output shaft of the speed reducer (13), is electrically connected with the electric control system, and can detect the rotation angle of the output shaft of the speed reducer (13).