阅读说明：本技术 一种耙吸式挖泥船用波浪补偿装置 (Wave compensation device for trailing suction dredger ) 是由 蔡武 于 2021-06-29 设计创作，主要内容包括：本发明涉及耙吸式挖泥船用设备技术领域,且公开了一种耙吸式挖泥船用波浪补偿装置,包括船、气泵、收卷装置和绞车,所述船的侧壁上固定安装有固定架。通过气浮筒和扩腔筒的设置,使得通过改变气浮筒与扩腔筒展开体的大小,直接在水中为耙头提供所需拉力,可在船受到波浪的影响进行上下起伏时,水箱相对气浮筒进行上下运动,而气浮筒与扩腔筒的展开体持续悬浮不动,有效避免外界波浪的影响,持续为耙头提供相对稳定的拉力,减少耙头的波动,进而增加耙头的工作效率,同时,由于水箱与气浮筒为活动套接,使得当船移动时,可直接拉动耙头同步移动,避免耙头直接与船连接时,即受到波浪垂直方向的干扰,又受压船水平方向的拉力干扰。(The invention relates to the technical field of equipment for a trailing suction hopper dredger, and discloses a wave compensation device for the trailing suction hopper dredger, which comprises a dredger, an air pump, a winding device and a winch, wherein a fixing frame is fixedly arranged on the side wall of the dredger. Through the setting of air flotation pontoon and expand the chamber section of thick bamboo, make through changing the size of air flotation pontoon and expand the chamber section of thick bamboo expansion body, directly provide required pulling force for the rake head in aqueous, can receive the influence of wave when fluctuating from top to bottom at the ship, the relative air flotation barrel of water tank carries out the up-and-down motion, and the expansion body of air flotation pontoon and expand the chamber section of thick bamboo lasts the suspension motionless, effectively avoid the influence of external wave, continuously provide the pulling force of relatively stable for the rake head, reduce the fluctuation of rake head, and then increase the work efficiency of rake head, and simultaneously, because the water tank cup joints for the activity with the air flotation barrel, when making the ship remove, can directly stimulate the rake head synchronous motion, when avoiding the rake head directly to be connected with the ship, receive the interference of wave vertical direction promptly, receive the pulling force interference of pressure ship horizontal direction again.)

1. The utility model provides a wave compensation arrangement for trailing suction dredger, includes ship (1), air pump, coiling mechanism and winch, its characterized in that: the side wall of the ship (1) is fixedly provided with a fixed frame (2), the inside of the fixed frame (2) is fixedly provided with a guide rail (3), the guide rail (3) is movably sleeved with a water tank (4), the inside of the water tank (4) is movably sleeved with a conductive plate (5), the bottom surface of the conductive plate (5) is fixedly connected with an air float (6), the conductive plate (5) is fixedly provided with an air valve (7), the top of the air valve (7) is communicated with an air pump through a conduit, the inside of the air valve (7) is movably sleeved with a cavity expanding cylinder (8), the bottom of the cavity expanding cylinder (8) is provided with an arc-shaped groove, a steel wire rope (9) is movably arranged in the arc-shaped groove, one section of the steel wire rope (9) is fixedly connected with a rake head, the other end of the steel wire rope (9) is fixedly connected with a winding device, the bottom inside of the cavity expanding cylinder (8) and positioned at the center of the arc-shaped groove are fixedly provided with an electromagnetic device (10), the bottom of the cavity expanding cylinder (8) is internally and movably provided with an arc-shaped fixture block (11) above the arc-shaped groove, the top of the arc-shaped fixture block (11) is fixedly provided with a magnet (19), the top of the magnet (19) is uniformly and fixedly connected with a spring (12), the top of the spring (12) is fixedly connected with the cavity expanding cylinder (8), and the top of the water tank (4) is in transmission connection with a winch through a chain.

2. The heave compensation apparatus for a trailing suction hopper dredger according to claim 1, wherein: the utility model discloses a water tank, including water tank (4), the left side middle part fixed mounting of water tank (4) has electric conduction board (13), the right side middle part fixed mounting of water tank (4) has resistance board (14), the bottom of electric conduction board (13) and the top of resistance board (14) fixedly connected with electricity connecting wire (15) respectively, the both sides of current conducting plate (5) respectively with electric conduction board (13) and resistance board (14) electric connection, electric conduction board (13) are the same with the height of resistance board (14).

3. The heave compensation apparatus for a trailing suction hopper dredger according to claim 1, wherein: the winding device is characterized in that a tightening circuit (16) is fixedly mounted above the water tank (4) and located on the resistance plate (14), a release circuit (18) is fixedly mounted below the water tank (4) and located on the resistance plate (14), an electromagnetic circuit (17) is fixedly mounted below the water tank (4) and located above the tightening circuit (16) and below the release circuit (18), the conductive plate (5) is electrically connected with the tightening circuit (16), the electromagnetic circuit (17) and the release circuit (18) respectively, the tightening circuit (16) and the release circuit (18) are electrically connected with the winding device respectively, and the electromagnetic circuit (17) is electrically connected with the electromagnetic device (10).

4. The heave compensation apparatus for a trailing suction hopper dredger according to claim 1, wherein: the height from the top end of the electric guide plate (13) to the water surface is 50-100 cm.

Technical Field

The invention relates to the technical field of equipment for a trailing suction dredger, in particular to a wave compensation device for the trailing suction dredger.

Background

The wave compensator applies the principle of constant tension, for example, a handle head wave compensator is arranged on a trailing suction hopper dredger and is used for compensating the pressure of the dredger head on a riverbed, which is influenced by the lifting of waves, of the dredger, when the dredger is lifted by waves, the dredger head also has the tendency of being lifted, the pressure of the dredger head on the riverbed becomes small, the tension of a steel wire rope becomes large, a compensation hydraulic cylinder compresses, oil is compressed into an energy accumulator, the steel wire rope is discharged, and the influence of the dredger head when a dredger body is picked up is reduced; on the contrary, when the ship is in the trough and descends, the pressure of the head on the river bed is increased, the tension of the steel wire rope is reduced, at the moment, oil enters the human compensation hydraulic cylinder under the action of the pressure of the energy accumulator, the hydraulic cylinder is lifted, and the steel wire rope is retracted to counteract the tendency that the pressure of the harrow head on the river bed is increased, but the currently used wave compensation system has some defects as follows

Because the traction and the release of the control wire rope are controlled through the hydraulic cylinder, on one hand, the stroke of the hydraulic cylinder is limited, when large waves are met, the hydraulic cylinder can reach the end point of stretching out or retracting, the stroke range of the wave compensator is exceeded, and further the wave compensator is caused to lose effect, on the other hand, the existing wave compensator is fixed on a pontoon, along with the fluctuation of the waves, the continuous working is realized, the fatigue wear of the compensator is caused, the equipment is damaged, the time difference exists in the compensation mode to a certain extent, the tension on the drag head cannot be timely adjusted, the drag head is caused to continuously shake, and the working efficiency is influenced.

Disclosure of Invention

The invention provides a wave compensation device for a trailing suction dredger, which has the advantages of good compensation effect and multiple functions and solves the problems in the background technology.

The invention provides the following technical scheme: a wave compensation device for a trailing suction dredger comprises a dredger, an air pump, a winding device and a winch, wherein a fixed frame is fixedly mounted on the side wall of the dredger, a guide rail is fixedly mounted inside the fixed frame, a water tank is movably sleeved on the guide rail, a current-conducting plate is movably sleeved inside the water tank, an air float bowl is fixedly connected to the bottom surface of the current-conducting plate, an air valve is fixedly mounted on the current-conducting plate, the top of the air valve is communicated with the air pump through a guide pipe, a cavity expanding cylinder is movably sleeved inside the air valve, an arc-shaped groove is formed in the bottom of the cavity expanding cylinder, a steel wire rope is movably mounted in the arc-shaped groove, a rake head is fixedly connected to one section of the steel wire rope, the other end of the steel wire rope is fixedly connected with the winding device, an electromagnetic device is fixedly mounted inside the bottom of the cavity expanding cylinder and in the center of the arc-shaped groove, and an arc-shaped clamping block is movably mounted inside the bottom of the cavity expanding cylinder and above the arc-shaped groove, the top of the arc-shaped clamping block is fixedly provided with a magnet, the top of the magnet is uniformly and fixedly connected with a spring, the top end of the spring is fixedly connected with the cavity expanding cylinder, and the top of the water tank is in transmission connection with a winch through a chain.

Preferably, the left side middle part fixed mounting of water tank has the electric conduction board, the right side middle part fixed mounting of water tank has the resistance board, the bottom of electric conduction board and the top of resistance board fixedly connected with electricity connecting wire respectively, the both sides of current conducting plate respectively with electric conduction board and resistance board electric connection, the electric conduction board is the same with the height of resistance board.

Preferably, the top fixed mounting that just is located the resistance board on the water tank has the circuit of tightening up, the below fixed mounting that just is located the resistance board on the water tank has the release circuit, the equal fixed mounting in the top that just is located the circuit of tightening up and the below of release circuit on the water tank has electromagnetic circuit, the current conducting plate respectively with tighten up circuit, electromagnetic circuit and release circuit electric connection, tighten up circuit and release circuit respectively with coiling mechanism electric connection, electromagnetic circuit and electromagnetic means electric connection.

Preferably, the height of the top end of the electric guide plate from the water surface is 50-100 cm.

The invention has the following beneficial effects:

1. through the setting of air flotation pontoon and expand the chamber section of thick bamboo, make through changing the size of air flotation pontoon and expand the chamber section of thick bamboo expansion body, directly provide required pulling force for the rake head in aqueous, can receive the influence of wave when the ship fluctuates from top to bottom, the relative air flotation barrel of water tank carries out the up-and-down motion, and the expansion body of air flotation pontoon and expand the chamber section of thick bamboo lasts the suspension motionless, effectively avoid the influence of external wave, continuously provide the pulling force of relative stability for the rake head, reduce the fluctuation of rake head, and then increase the work efficiency of rake head, simultaneously, because the water tank cup joints for the activity with the air flotation barrel, when the ship removes, can directly stimulate the rake head synchronous motion, when avoiding the rake head directly to be connected with the ship, receive the interference of wave vertical direction promptly, receive the pulling force interference of ship horizontal direction again, reduce the interference of rake head work, increase the quality of rake head work.

2. Through the setting of electric conduction board and resistance plate, make when the wave fluctuates, the current conduction board carries out relative movement in the water tank, and then make the resistance plate of access circuit change, and then change the size of electric current, on the one hand through the change value of electric current, observe the fluctuation degree of wave, confirm whether the wave is too big, on the other hand, according to the size of electric current, confirm the degree of depth of gas buoy and expansion chamber section of thick bamboo, ensure that gas buoy and expansion chamber section of thick bamboo keep normally providing tensile state for the rake head, and simultaneously, through the setting of tightening up circuit and release circuit, make when the wave is great, and when the stroke of water tank is not enough, can carry out dual regulation and control, effectively reduce the influence to the rake head, guarantee that the rake head can high-efficient operation.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

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

FIG. 3 is an enlarged view of the point A in FIG. 1;

FIG. 4 is a schematic circuit diagram of the structure of the present invention.

In the figure: 1. a vessel; 2. a fixed mount; 3. a guide rail; 4. a water tank; 5. a conductive plate; 6. a gas float bowl; 7. an air valve; 8. a cavity expanding cylinder; 9. a wire rope; 10. an electromagnetic device; 11. an arc-shaped fixture block; 12. a spring; 13. an electric conductive plate; 14. a resistance plate; 15. an electrical connection wire; 16. tightening the circuit; 17. an electromagnetic circuit; 18. a release circuit; 19. and a magnet.

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.

Referring to fig. 1-4, a wave compensation device for a trailing suction dredger comprises a dredger 1, an air pump, a winding device and a winch, wherein a fixed frame 2 is fixedly installed on the side wall of the dredger 1, a guide rail 3 is fixedly installed inside the fixed frame 2, a water tank 4 is movably sleeved on the guide rail 3, a conductive plate 5 is movably sleeved inside the water tank 4, an air float 6 is fixedly connected to the bottom surface of the conductive plate 5, an air valve 7 is fixedly installed on the conductive plate 5, the top of the air valve 7 is communicated with the air pump through a conduit, a cavity expanding cylinder 8 is movably sleeved inside the air valve 7, an arc-shaped groove is formed in the bottom of the cavity expanding cylinder 8, a steel wire rope 9 is movably installed in the arc-shaped groove, a rake head is fixedly connected to one section of the steel wire rope 9, the other end of the steel wire rope 9 is fixedly connected with the winding device, an electromagnetic device 10 is fixedly installed inside the bottom end of the cavity expanding cylinder 8 and located at the center of the arc-shaped groove, an arc-shaped fixture block 11 is movably installed inside the bottom end of the cavity expanding cylinder 8 and located above the arc-shaped groove, the top of the arc-shaped clamping block 11 is fixedly provided with a magnet 19, the top of the magnet 19 is uniformly and fixedly connected with a spring 12, the top end of the spring 12 is fixedly connected with a cavity expanding cylinder 8, the top of the water tank 4 is in transmission connection with a winch through a chain, when the dredger works, firstly, the water tank 4 is placed into water through the winch, meanwhile, a drag head sinks into the water, the cavity expanding cylinder 8 is tensioned through a steel wire rope 9, at the moment, gas is injected into the air flotation cylinder 6 and the cavity expanding cylinder 8 through an air pump, so that the air flotation cylinder 6 is expanded, the volume is increased, further, buoyancy is increased, certain tension is provided for the drag head, the expansion bodies of the air flotation cylinder 6 and the cavity expanding cylinder 8 are suspended in the water, and when the dredger 1 is influenced by waves to move up and down, the water tank 4 moves up and down relative to the air flotation cylinder 6 and the expansion body of the cavity expanding cylinder 8 are suspended continuously, and the influence of the outside is effectively avoided, the water tank 4 is movably sleeved with the air flotation cylinder 6, so that when the ship 1 moves, the drag head can be directly pulled to move synchronously, the drag head is prevented from being interfered by the vertical direction of waves and the horizontal direction of the ship, the interference of the work of the drag head is reduced, and the work quality of the drag head is improved; the middle part of the left side of the water tank 4 is fixedly provided with an electric conduction plate 13, the middle part of the right side of the water tank 4 is fixedly provided with a resistance plate 14, the bottom of the electric conduction plate 13 and the top of the resistance plate 14 are respectively and fixedly connected with an electric connection wire 15, two sides of the electric conduction plate 5 are respectively and electrically connected with the electric conduction plate 13 and the resistance plate 14, the heights of the electric conduction plate 13 and the resistance plate 14 are the same, when the ship 1 fluctuates along with waves, the electric conduction plate 5 moves relatively in the water tank 4, the resistance plate 14 connected into a circuit is changed, and the magnitude of current is changed, on one hand, the fluctuation degree of the waves is observed through the change value of the current, and whether the waves are overlarge is determined, and on the other hand, the depths of the air float 6 and the cavity expanding cylinder 8 are determined according to the magnitude of the resistance plate 14 connected into the circuit; a tightening circuit 16 is fixedly arranged on the water tank 4 and above the resistance plate 14, a release circuit 18 is fixedly arranged on the water tank 4 and below the resistance plate 14, electromagnetic circuits 17 are fixedly arranged on the water tank 4 and above the tightening circuit 16 and below the release circuit 18, the conductive plate 5 is respectively electrically connected with the tightening circuit 16, the electromagnetic circuits 17 and the release circuit 18, the tightening circuit 16 and the release circuit 18 are respectively electrically connected with the winding device, the electromagnetic circuits 17 are electrically connected with the electromagnetic device 10, when the vertical difference of the wave fluctuation is greater than the height of the electric guide plate 13, and then the ship 1 is lifted upwards, the conductive plate 5 descends in the water tank 4, so that the conductive plate 5 connects the electromagnetic circuits 17 and the release circuit 18, the winding device unwinding of the steel wire rope 9 is realized, and the electromagnetic device 10 pushes the arc-shaped clamping block 11 to restrain the steel wire rope 9, the expansion bodies of the air buoy 6 and the cavity expansion cylinder 8 rise and return to the area where the electric guide plate 13 and the resistance plate 14 are located, on the contrary, when the ship 1 sinks, the electric guide plate 5 rises in the water tank 4, the circuit of the tightening circuit 16 and the electromagnetic circuit 17 is connected, the steel wire rope 9 is tightened by the winding device, the cavity expansion cylinder 8 is pulled down, the electric guide plate 5 returns to the area where the electric guide plate 13 and the resistance plate 14 are located, the double regulation and control can be carried out when the wave is large and the stroke of the water tank 4 is insufficient, the influence on the rake head is effectively reduced, and the rake head can operate efficiently; the top end of the electric guide plate 13 is 50-100cm away from the water surface, so that the air flotation cylinder 6 and the cavity expansion cylinder 8 are in relatively calm water, and the direct influence of waves on the air flotation cylinder and the cavity expansion cylinder is isolated.

The working principle is that when the dredger works, firstly, the water tank 4 is placed into water by using a winch, the drag head sinks into the water, the cavity expanding cylinder 8 is tensioned by the steel wire rope 9, at the moment, gas is injected into the air floating cylinder 6 and the cavity expanding cylinder 8 by the air pump, so that the air floating cylinder 6 is expanded, the volume is increased, the buoyancy is further increased, a certain pulling force is provided for the drag head, the expansion bodies of the air floating cylinder 6 and the cavity expanding cylinder 8 are suspended in the water, and when the dredger 1 fluctuates up and down under the influence of waves, the water tank 4 moves up and down relative to the air floating cylinder 6, so that the expansion bodies of the air floating cylinder 6 and the cavity expanding cylinder 8 are suspended and fixed continuously and are not influenced by the waves, when the current conducting plate 5 moves relatively in the water tank 4, the resistance plate 14 of the access circuit is changed, the magnitude of the current is changed, on one hand, the fluctuation degree of the current is observed through the change value, determining whether the wave is too large, and on the other hand, determining the depths of the air buoy 6 and the cavity expanding cylinder 8 according to the size of a resistance plate 14 connected to a circuit; when the vertical difference of the wave fluctuation is larger than the height of the electric guide plate 13, and then the ship 1 is lifted upwards, the electric guide plate 5 descends in the water tank 4, so that the electric guide plate 5 connects the electromagnetic circuit 17 with the circuit of the release circuit 18, the steel wire rope 9 with the winding device degree is unwound, the electromagnetic device 10 pushes the arc-shaped clamping block 11 to bind the steel wire rope 9, the expansion bodies of the air flotation cylinder 6 and the cavity expansion cylinder 8 ascend and return to the area where the electric guide plate 13 and the resistance plate 14 are located, on the contrary, when the ship 1 sinks, the electric guide plate 5 ascends in the water tank 4, the circuits of the tightening circuit 16 and the electromagnetic circuit 17 are connected, the winding device tightens the steel wire rope 9, the cavity expansion cylinder 8 is pulled downwards, and the electric guide plate 5 returns to the area where the electric guide plate 13 and the resistance plate 14 are located.

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.