CN113006038A

CN113006038A - Appearance adjustable rammer under water

Info

Publication number: CN113006038A
Application number: CN202110208197.8A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-06-22

Abstract

The invention relates to the technical field of underwater operation equipment, and discloses an underwater rammer with an adjustable appearance. This appearance adjustable rammer under water, the reducible resistance that advances of the appearance of tear-drop shape when descending, keep great kinetic energy, and fall to ground and warp to flat in the twinkling of an eye, guarantee to the tamping face of foundation bed, in-process that potential energy turns into kinetic energy, the energy loss is less, under less resistance, do benefit to and maintain the gesture of advancing, reduce the production of slope, the height-diameter ratio has been improved, can guarantee the whereabouts form of rammer through the spin simultaneously, reduce the influence of crossing current, avoid empting, reduce the skew, further improve the height-diameter ratio, secondly, become kinetic energy that advances through the paddle with rotatory kinetic energy before falling to the ground, also can guarantee the utilization ratio of kinetic energy.

Description

Appearance adjustable rammer under water

Technical Field

The invention relates to the technical field of underwater operation equipment, in particular to an underwater rammer with an adjustable appearance.

Background

The underwater foundation bed is a key part of underwater and port buildings, the bearing capacity of the buildings is closely related to the compactness and thickness of the foundation bed, and the underwater riprap foundation bed is widely adopted due to the advantages of large bearing capacity, skid resistance, economy, good durability and the like and becomes one of the preferred structural forms of underwater basic engineering.

The heavy hammer tamping method is a common construction method. The heavy hammer tamping method adopts a lifting device to lift a heavy hammer, and utilizes the larger tamping energy generated by the free falling of the heavy hammer to tamp the foundation bed. The construction method of the heavy hammer tamping has the advantages that the construction is flexible, the influence on the earthquake effect generated by surrounding buildings is small, the construction interference is small, however, the heavy hammer is mostly flat, and in the falling process of the heavy hammer, water can generate large resistance to the heavy hammer, so that the tamping energy is reduced, and the working efficiency is influenced.

On the other hand, in the falling process of the heavy hammer, the side surface of the heavy hammer is under the action of larger water flow, on one hand, the water flow influences the falling point of the heavy hammer to interfere construction, and on the other hand, the height-diameter ratio of the heavy hammer is also restricted, the falling resistance is further increased, and the working efficiency is reduced.

Disclosure of Invention

Aiming at the defects of the background technology, the invention provides a technical scheme of an underwater rammer with an adjustable appearance, which has the advantages of small moving resistance, strong anti-interference capability and the like and solves the problems provided by the background technology.

The invention provides the following technical scheme: the utility model provides an appearance adjustable is pounder under water, includes the casing, go up the deformable deformation body of bottom fixedly connected with of casing, go up casing and the initial state of deformation body and constitute a tear drop shape casing, the deformation body deformable is flat, the surface of going up the casing is equipped with the spin line, it has the throwing through connector swing joint to go up the top of casing and puts the piece, the throwing is put the piece and is driven the casing and rotate to make it break away from after reaching the settlement rotational speed, the upper end of going up the casing is connected with the paddle through the transmission head, the transmission head is at initial water intake state lower part transmission, be equipped with the timer in the upper casing, the deformation body is out of shape under the timer effect, the transmission head begins to realize the transmission connection under the timer effect.

Preferably, the deformation body comprises a deformation bag made of a soft material, an upper electrode plate is arranged at the upper end of the deformation bag, a lower motor sheet is embedded in the inner wall of the lower end of the upper electrode plate, and electrorheological fluid is filled in the deformation bag.

Preferably, the deformation body further comprises a traction rope, the traction rope stretches the deformation bag towards the middle part, and an adjusting piece is arranged between the upper electrode plate and the lower motor plate.

Preferably, the transmission head includes the outer tube, the paddle is located on the outer tube, the outer tube activity is cup jointed on the connecting axle of last casing, it has electrorheological fluids to fill in the outer tube, be equipped with the electric field in the outer tube, be equipped with the initiative oar on the connecting axle of going up the casing, be equipped with passive oar on the outer tube.

Preferably, the transmission head is still including locating the inside interior sleeve pipe of outer tube, outer tube and interior sleeve pipe all cup joint with the connecting axle activity of last casing, the paddle is equipped with the regulating spindle, the paddle runs through outer tube lateral wall and interior sleeve pipe swing joint through the regulating spindle, passive oar is located on the regulating spindle, the outer tube is equipped with and is made and fall into the closed bag of upper and lower two parts with the outer tube by the elasticity material, passive oar can be less than the rotation of quarter round, passive oar jack-up closed bag stretches into the lower half, the paddle is vertical when not transmitting.

The invention has the following beneficial effects:

1. this appearance adjustable underwater rammer, the reducible resistance that advances of the appearance of tear-drop shape when descending keeps great kinetic energy, and falls to the ground and warp in the twinkling of an eye for flat, guarantees to the tamping face of foundation bed, on the one hand, in the in-process that potential energy turned into kinetic energy, the energy loss is less, on the other hand, under less resistance, does benefit to and maintains the gesture of advancing, reduces the production of slope, has improved the high-diameter ratio, and the rammer of big height-diameter ratio has further increased the kinetic energy of rammer, increases rammer efficiency.

2. This appearance adjustable rammer under water can guarantee the whereabouts form of rammer through the spin, reduces the influence of crossing current, avoids empting, reduces the skew, further improves height-diameter ratio, secondly, becomes rotatory kinetic energy through the paddle before falling to the ground into kinetic energy that advances, also can guarantee the utilization ratio of kinetic energy, simultaneously, throws the increase of falling the preceding increase through rotatory kinetic energy and replaces the increase of height, also can improve the flexibility of using.

Drawings

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

FIG. 2 is a schematic structural view of a deformable body according to the present invention;

FIG. 3 is a schematic structural view of a deformed body according to the present invention after deformation;

fig. 4 is a schematic structural diagram of the driving head of the present invention.

In the figure: 1. an upper housing; 2. a deformable body; 21. a deformation bladder; 22. an electrode plate is arranged; 23. a motor sheet is arranged; 24. a shape-setting plate; 25. a hauling rope; 26. an adjustment member; 3. a self-rotation line; 4. a connector; 5. throwing the piece; 6. a drive head; 61. an outer sleeve; 62. a closed capsule; 63. an inner sleeve; 64. a passive paddle; 65. a driving paddle; 66. an adjustment shaft; 7. a blade.

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, an underwater rammer with an adjustable shape comprises an upper shell 1, a deformable deforming body 2 is fixedly connected to the bottom of the upper shell 1, the upper shell 1 and the deforming body 2 form a tear-drop-shaped shell in an initial state, the tear-drop-shaped shell can effectively reduce resistance generated by water, the deforming body 2 can be deformed into a flat bottom and is triggered into the flat bottom when falling to the ground to ensure a ramming effect, a spinning line 3 is arranged on the surface of the upper shell 1, friction force between the spinning line 3 and the water rotates to drive the spinning line 3 to rotate rapidly, the rotation can keep the moving stability of the spinning line, influence of cross flow on the spinning line is reduced, dumping and large offset are avoided, a throwing and releasing piece 5 is movably connected to the top of the upper shell 1 through a connector 4, the throwing and releasing piece 5 drives the upper shell 1 to rotate and is separated after a set rotating speed is reached, so that the upper shell 1 enters the water at a higher speed, increase into water kinetic energy, then increase the kinetic energy when falling to the ground, the upper end of going up casing 1 is connected with paddle 7 through transmission head 6, transmission head 6 is in the transmission of initial state lower part of intaking, upward be equipped with the timer in the casing 1, the variant body 2 warp under the timer effect, transmission head 6 begins to realize the transmission under the timer effect and connects, according to the foundation bed, the depth of water sets up the timing time with throwing and putting the height, when being close the foundation bed, it becomes flat to trigger variant body 2, transmission head 6 transmission, change rotatory kinetic energy into the kinetic energy that advances.

Referring to fig. 2, wherein the deformable body 2 includes a deformable bag 21 made of a soft material, the deformable bag 21 is provided with an upper electrode plate 22 at the upper end, a lower motor plate 23 is embedded in the inner wall of the lower end of the upper electrode plate 22, electrorheological fluid is filled in the deformable bag 21, the upper electrode plate 22 and the lower motor plate 23 are energized at the moment of weightlessness, the electrorheological fluid becomes solid, the deformable body 2 can resist water resistance without deformation, and the upper electrode plate 22 and the lower motor plate 23 are energized again after a second fixed time, so that the deformable body 2 is condensed into solid and resists impact force.

Referring to fig. 3, the deformable body 2 further includes a pulling rope 25, the pulling rope 25 stretches the deformable bag 21 toward the middle, an adjusting element 26 is disposed between the upper electrode plate 22 and the lower motor plate 23, in this embodiment, the hollow tube supports the fixed plate 24, and an air bag is disposed inside the hollow tube, under the action of water resistance, the electrorheological fluid enters the hollow tube to compress the air bag, under the action of dead weight, the electrorheological fluid flows out, when the deformable bag 21 is compressed by the water resistance, the elastic force of the pulling rope 25 makes the deformable bag 21 contract toward the middle, so as to ensure that the electrorheological fluid is all under the influence of an electric field, and reduce the splashing of liquid drops.

Referring to fig. 4, the transmission head 6 includes an outer casing 61, the blades 7 are disposed on the outer casing 61, the outer casing 61 is movably sleeved on the connecting shaft of the upper casing 1, electrorheological fluid is filled in the outer casing 61, an electric field is disposed in the outer casing 61, a driving paddle 65 is disposed on the connecting shaft of the upper casing 1, a driven paddle 64 is disposed on the outer casing 61, and the electrorheological fluid is changed into solid after the timer is controlled to be powered on, so as to realize transmission.

The transmission head 6 further comprises an inner sleeve 63 arranged inside the outer sleeve 61, the outer sleeve 61 and the inner sleeve 63 are movably sleeved with a connecting shaft of the upper shell 1, the paddle 7 is provided with an adjusting shaft 66, the paddle 7 penetrates through the side wall of the outer sleeve 61 and is movably connected with the inner sleeve 63 through the adjusting shaft 66, the passive paddle 64 is arranged on the adjusting shaft 66, the outer sleeve 61 is provided with a closed bag 62 which is made of elastic materials and divides the outer sleeve 61 into an upper part and a lower part, the passive paddle 64 can rotate less than a quarter circle, the closed bag 62 is jacked up by the passive paddle 64 to extend into the lower part, after electrorheological fluid becomes solid, the passive paddle 64 is firstly fluctuated by a certain angle, the angle of the paddle 7 is changed, transmission is realized, the paddle 7 is vertical when not transmitted, resistance is not generated when the paddle 7 descends, the paddle.

The working principle and the working process of the invention are as follows:

calculating the timing duration according to the operation height and the water depth to determine the moment of opening the transmission head 6 and triggering the deformation of the deformation body 2 after weightlessness, before throwing, rotating the upper shell 1 through the throwing piece 5, throwing after reaching a certain autorotation speed, at the moment of weightlessness, electrorheological fluid in the deformation body 2 becomes solid, after falling into water, partial rotation is converted into descending kinetic energy of the upper shell 1, after balance, the rotation of the shell 1 at the interaction position of the water resistance and the spinning line 3, when the foundation bed is reached, the transmission head 6 is started, the angle of the paddle 7 is changed, the paddle 7 synchronously rotates along with the upper shell 1, the autorotation energy of the upper shell 1 is converted into the descending kinetic energy of the upper shell 1 by the acting force of the paddle 7 and water, when the deformation body 2 is on the ground, the deformation body 2 is powered off for a short time, under the action of water resistance, the deformation body 2 becomes a flat bottom, the ground is tamped, after the tamping hammer is lifted, under its own weight, the deformable body 2 returns to a teardrop shape.

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

1. An underwater rammer with adjustable shape, comprising an upper shell (1), characterized in that: the bottom of the upper shell (1) is fixedly connected with a deformable deforming body (2), the initial state of the upper shell (1) and the deformation body (2) forms a teardrop-shaped shell, the deformable body (2) can be deformed into a flat bottom, the surface of the upper shell (1) is provided with a self-rotation line (3), the top of the upper shell (1) is movably connected with a throwing piece (5) through a connector (4), the throwing piece (5) drives the upper shell (1) to rotate, and the upper shell is separated after reaching the set rotating speed, the upper end of the upper shell (1) is connected with a paddle (7) through a transmission head (6), the transmission head (6) is driven at the lower part of the initial water inlet state, a timer is arranged in the upper shell (1), the deformable body (2) deforms under the action of the timer, and the transmission head (6) starts to realize transmission connection under the action of the timer.

2. The underwater shape adjustable rammer of claim 1, wherein: the deformation body (2) comprises a deformation bag (21) made of a soft material, an upper electrode plate (22) is arranged at the upper end of the deformation bag (21), a lower motor plate (23) is embedded in the inner wall of the lower end of the upper electrode plate (22), and electrorheological fluid is filled in the deformation bag (21).

3. An adjustable profile underwater rammer according to claim 2, wherein: the deformation body (2) further comprises a traction rope (25), the deformation bag (21) is stretched towards the middle part by the traction rope (25), and an adjusting piece (26) is arranged between the upper electrode plate (22) and the lower motor piece (23).

4. The underwater shape adjustable rammer of claim 1, wherein: the transmission head (6) includes outer tube (61), outer tube (61) is located in paddle (7), outer tube (61) activity is cup jointed on the connecting axle of last casing (1), it has the electrorheological fluids to fill in outer tube (61), be equipped with the electric field in outer tube (61), be equipped with initiative oar (65) on the connecting axle of going up casing (1), be equipped with passive oar (64) on outer tube (61).

5. The underwater shape adjustable rammer of claim 1, wherein: the transmission head (6) is still including locating inside interior sleeve pipe (63) of outer tube (61), outer tube (61) and interior sleeve pipe (63) all cup joint with the connecting axle activity of last casing (1), paddle (7) are equipped with regulating spindle (66), paddle (7) run through outer tube (61) lateral wall and interior sleeve pipe (63) swing joint through regulating spindle (66), locate on regulating spindle (66) passive oar (64), outer tube (61) are equipped with and are made by the elastic material and with outer tube (61) divide into about two parts closed bag (62), passive oar (64) can be less than the rotation of quarter round, passive oar (64) jack-up closed bag (62) stretch into the lower half, paddle (7) are vertical when not transmitting.