CN114110180A - Caisson with water inflow control device and water inflow control method thereof - Google Patents
Caisson with water inflow control device and water inflow control method thereof Download PDFInfo
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- CN114110180A CN114110180A CN202111361691.4A CN202111361691A CN114110180A CN 114110180 A CN114110180 A CN 114110180A CN 202111361691 A CN202111361691 A CN 202111361691A CN 114110180 A CN114110180 A CN 114110180A
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- caisson
- pull rope
- inlet hole
- sealing
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 176
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 72
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 6
- 238000007667 floating Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/14—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with ball-shaped valve member
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
- E02D23/02—Caissons able to be floated on water and to be lowered into water in situ
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/54—Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/46—Mechanical actuating means for remote operation
- F16K31/465—Mechanical actuating means for remote operation by flexible transmission means, e.g. cable, chain, bowden wire
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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Abstract
The invention relates to a caisson with a water inflow control device and a water inflow control method thereof, and the key points of the technical scheme are that the device comprises a box body and the water inflow control device, wherein one side of the box body is provided with a water inlet hole penetrating through the side wall of the box body, and the water inlet hole is a taper hole with the diameter gradually reduced from the outer side to the inner side of the side wall of the box body; the water inflow control device comprises a support frame, an operation roller arranged on the support frame and a sealing ball used for sealing the water inlet hole; the operating roller is rotationally connected with the supporting frame; the sealing ball is fixedly connected with a water inlet pull rope and a sealing pull rope; the water inlet pull rope penetrates out of the large-aperture end of the water inlet hole, and the sealing pull rope penetrates out of the small-aperture end of the water inlet hole; the end parts of the water inlet pull rope and the sealing pull rope are respectively connected to the peripheral surface of the operation roller; the invention has convenient and fast operation of controlling the water inlet of the caisson and saves resources.
Description
Technical Field
The invention relates to the technical field of underwater caisson construction, in particular to a caisson water inflow control device and a caisson water inflow control method.
Background
The caisson is a wall body member commonly used by hydraulic buildings such as wharfs, breakwaters and the like. The caisson is prefabricated on a land area pedestal, is transported out through a floating dock or a semi-submersible barge, is towed to a deep water area caisson pit along with the semi-submersible barge, is watered and submerged to a floating stable draft, and is discharged out of the dock. When the caisson is constructed, the caisson is controlled to sink or float by adjusting the pressure-loaded water in the caisson cabin grids. At present, a water feeding control mode of a caisson is that a water inlet hole is usually designed at the lower part of the side wall of the caisson, and a valve is arranged at the water inlet hole to seal the water inlet hole. When adding water operation to the caisson, connect long arm spanner on the valve, long arm spanner adopts steel pipe welding preparation to form usually, overlaps it on the handle of valve, and then through rotating long arm spanner, opens the valve, sinks to setting up the draft after at the caisson, closed valve. And then after the caisson is dragged and moved to the corresponding sinking position, the valve is opened, and the caisson is sunk to the corresponding position.
By adopting the method for controlling the water inflow of the caisson by the existing valve lengthened arm wrench, the valve cannot be recycled after the caisson is sunk; and the length that long arm spanner needs is longer usually, and the quality is big, in addition when rotating long arm spanner and operating, receives great rivers resistance, and then during staff carries out operation control to the inflow of caisson, the operation is very inconvenient.
Disclosure of Invention
One of the objects of the present invention is to provide a caisson with a water inflow control apparatus, which is convenient and fast in water inflow control operation of the caisson, and saves resources.
The technical purpose of the invention is realized by the following technical scheme: a caisson with a water inflow control device comprises a caisson body and the water inflow control device, wherein a water inlet penetrating through the side wall of the caisson body is formed in one side of the caisson body, and the water inlet is a conical hole with the diameter gradually reduced from the outer side to the inner side of the side wall of the caisson body; the water inflow control device comprises a support frame, an operation roller arranged on the support frame and a sealing ball used for sealing the water inlet hole; the operating roller is rotationally connected with the supporting frame; the sealing ball is fixedly connected with a water inlet pull rope and a sealing pull rope; the water inlet pull rope penetrates out of the large-aperture end of the water inlet hole, and the sealing pull rope penetrates out of the small-aperture end of the water inlet hole; the ends of the water inlet pull rope and the sealing pull rope are respectively connected to the peripheral surface of the operation roller.
According to the technical scheme, the water inlet hole of the box body is set to be the taper hole, and the water inlet hole is sealed by arranging the sealing ball in the water inlet hole; the sealing ball is connected with an operation roller arranged on the upper part of the side wall of the caisson by using a sealing pull rope and a water inlet pull rope, the sealing pull rope and the water inlet pull rope respectively penetrate out of two ends of a water inlet hole, and then the sealing pull rope and the water inlet pull rope are reversely wound and unwound by the forward and reverse rotation of the operation roller, so that the position of the sealing ball is controlled, the sealing hole can be conveniently opened, or the water inlet hole is sealed by the sealing ball; after the operation of intaking of completion caisson, will seal stay cord and operation roller contact restraint, and then pull out through the big footpath end with the ball sealer from the inlet opening to can retrieve resources are saved to the ball sealer.
Preferably, the axis of the water inlet hole is inclined downwards from the outer side of the side wall of the caisson to the inner side of the side wall of the caisson.
Through above-mentioned technical scheme, the pressure in the caisson outside is greater than the inboard pressure of caisson, and then leads to when the stay cord of intaking outwards stimulates, and the resistance that receives water is great, and the pulling is more difficult, and through setting up the inlet opening for its axis caisson lateral wall outside to the inboard slope of caisson lateral wall downwards, and then when drawing the stay cord of intaking, it is more laborsaving.
Preferably, the upper parts of the edges of the two ends of the water inlet hole are respectively provided with a chamfer.
Through above-mentioned technical scheme, through being provided with the chamfer respectively on inlet opening both ends edge upper portion, and then utilize the chamfer to reduce the contact friction of intaking stay cord and sealed stay cord and inlet opening edge, the wearing and tearing of the stay cord of intaking that reduce and sealed stay cord and the resistance when the pulling to intaking stay cord and sealed stay cord.
Preferably, the end parts of the water inlet pull rope and the sealing pull rope are respectively fixed with a self-locking hook; hanging rings used for being connected with the self-locking hooks are fixed on the circumferential surface of the operation roller, and the hanging rings correspond to the self-locking hooks one to one.
Through above-mentioned technical scheme, the stay cord of intaking and sealed stay cord pass through the hook of auto-lock couple with the link, and then connect on the global of operation roller to can convenient and fast be connected the stay cord of intaking and sealed stay cord with the operation roller.
Preferably, two sides of the support frame are respectively provided with a guide hole of the support frame which vertically penetrates through; the water inlet pull rope and the sealing pull rope respectively penetrate through the corresponding guide holes.
Through above-mentioned technical scheme, through the setting of guiding hole, and then utilize the guiding hole to draw into water and rise and sealed stay cord and carry out the guiding orientation, and then make the staff can make things convenient for the efficient more and utilize the stay cord of intaking and sealed stay cord to stimulate the ball sealer.
Preferably, the bottom of the support frame is provided with a clamping assembly for connecting and fixing the support frame and the side wall of the caisson; the clamping assembly comprises a fixed clamping plate and a movable clamping plate which are parallel to each other; the movable clamping plate is in sliding contact with the support frame along the width direction of the support frame; a driving block fixedly connected with the supporting frame is arranged on one side, away from the fixed clamping plate, of the movable clamping plate, and a driving screw rod penetrating through the driving block and in threaded connection with the driving block is arranged on the driving block; the end part of the driving screw is rotationally connected with the movable clamping plate.
Through the technical scheme, through setting up the support frame, and then through the both sides of arranging fixed grip block and activity grip block in the caisson lateral wall respectively, and then through rotating drive screw, and then drive activity grip block and be close to or keep away from fixed grip block to can be with caisson lateral wall centre gripping between fixed grip block and activity grip block, thereby can convenient and fast install the support frame in caisson lateral wall upper end, and then conveniently fix a position the use to the operation roller.
Preferably, one end of the operating roller is provided with a driving component; the driving component comprises a driving motor, a driving belt pulley, a driven belt pulley and a transmission belt; the machine body of the driving motor is fixedly connected with the support frame; the driving belt pulley is coaxially arranged with an output shaft of the driving motor and fixedly connected with the output shaft; the driven belt pulley and the operation roller are coaxially arranged and fixedly connected; the transmission belt is sleeved between the driving belt pulley and the driven belt pulley.
Through above-mentioned technical scheme, through drive assembly's setting, through driving motor's just reversal, the drive operation roller is just reversed, and then can convenient and fast carry out unwrapping wire and rolling to the stay cord of intaking and sealed stay cord, and convenient operation is swift, uses manpower sparingly.
Preferably, a rectangular block is fixed on the end face of one end of the operating roller; the water inflow control device also comprises a crank which is used for being spliced with the rectangular block.
Through the technical scheme, through the setting of rectangular block and crank, inconvenient use driving motor rotates the drive to the operation roller when, remove the restraint of drive belt to driven pulley, and then use the crank and set up the rectangular block grafting at the operation roller tip to utilize the crank, rotate the operation roller by hand, thereby make the use operation to inflow controlling means more convenient nimble.
The invention also aims to provide a caisson water inflow control method, which is convenient and quick to operate for controlling the water inflow of the caisson and saves resources.
The technical purpose of the invention is realized by the following technical scheme: a caisson water inflow control method comprises the following steps:
step S1, forming a conical water inlet hole on the side wall of the caisson, wherein the aperture of the water inlet hole is gradually reduced from the outer side to the inner side of the side wall of the caisson;
step S2, after step S1 is completed, a sealing ball for sealing the water inlet hole is placed in the water inlet hole; the sealing ball is connected with a water inlet pull rope and a sealing pull rope, the water inlet pull rope penetrates out from the large-diameter end of the water inlet hole, and the sealing pull rope penetrates out from the small-diameter end of the water inlet hole;
step S3, after step S2 is completed, an operation roller capable of rotating around a horizontal axis is arranged at the upper part of the side wall of the caisson at one side of the water inlet hole, and the end parts of the water inlet pull rope and the sealing pull rope are respectively connected to the circumferential surface of the operation roller;
step S4, after step S3 is completed, the caisson is pressed into the water, and the water inlet hole is made to be submerged into the water; the operation roller is rotated to enable water flow to enter the caisson from the water inlet hole; in the water inlet process of the caisson, the position of the sealing ball is adjusted by rotating the operation roller, so that the flow of the water inlet hole is adjusted until the caisson sinks to the set draft;
and step S5, after the step S4 is completed, the caisson is carried to the setting position, the connection between the sealing pull rope and the operation roller is released, and the sealing ball is pulled out from the large hole end of the water inlet hole through the water inlet pull rope, so that the recovery operation is completed.
According to the technical scheme, the water inlet is set to be the taper hole, and then the water inlet is sealed by the sealing ball; the position of the sealing ball at the water inlet hole is adjusted by rotating the operation roller and pulling the sealing ball by using the water inlet pull rope or the water outlet pull rope, so that the opening and closing of the water inlet hole are controlled to realize water inlet flow; after the caisson is watered and sunk by adopting the method, the sealing ball can be conveniently recovered, and compared with the traditional operation by utilizing a valve body and a lever, the method is more labor-saving and saves resources.
Preferably, in step S1, the axis of the water inlet hole is inclined downward from the outside of the side wall of the caisson to the inside of the side wall of the caisson.
Through above-mentioned technical scheme, the pressure in the caisson outside is greater than the inboard pressure of caisson, and then leads to when the stay cord of intaking outwards stimulates, and the resistance that receives water is great, and the pulling is more difficult, and through setting up the inlet opening for its axis caisson lateral wall outside to the inboard slope of caisson lateral wall downwards, and then when drawing the stay cord of intaking, it is more laborsaving.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic view of the structure of a caisson with a water inflow control device.
Fig. 2 is a schematic structural diagram embodying the driving assembly.
Fig. 3 is a partially enlarged view of a in fig. 1.
Fig. 4 is a partially enlarged view of B in fig. 1.
Fig. 5 is a partially enlarged view of C in fig. 1.
Fig. 6 is a schematic view of the structure of the crank.
Wherein, 1, a box body; 11. a water inlet hole; 12. chamfering; 2. a support frame; 21. a guide hole; 3. an operation roller; 31. hanging a ring; 32. a rectangular block; 4. a drive assembly; 41. a drive motor; 42. a drive pulley; 43. a driven pulley; 44. a transmission belt; 5. a sealing ball; 51. a water inlet pull rope; 52. sealing the pull rope; 6. a self-locking hook; 7. a clamping assembly; 71. fixing the clamping plate; 72. a movable clamping plate; 73. a drive block; 74. a drive screw; 8. a crank handle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example 1:
a caisson with a water inflow control device, hereinafter referred to as a caisson device, is provided, which comprises a caisson body 1 and a water inflow control device, and is shown in figures 1 and 2. A water inlet hole 11 penetrating through the side wall of the box body 1 is formed in one side of the box body 1, and the water inlet hole 11 is a taper hole gradually reduced from the outer side of the side wall of the box body 1 to the inner side of the side wall. The water inflow control device comprises a support frame 2, an operation roller 3 arranged on the support frame 2, a sealing ball 5 used for sealing a water inlet hole 11, a driving assembly 4 and a clamping assembly 7. The clamping assembly 7 is used for fixedly mounting the support frame 2 on the upper part of the side wall of the box body 1 where the water inlet hole 11 is positioned. The operation roller 3 is connected with the support frame 2 in a rotating mode, and the driving assembly 4 is used for driving the operation roller 3 to rotate. The sealing ball 5 is fixedly connected with a water inlet pull rope 51 and a sealing pull rope 52; the water inlet pull rope 51 penetrates out from the large-aperture end of the water inlet hole 11, and the sealing pull rope 52 penetrates out from the small-aperture end of the water inlet hole 11; the ends of the water feed rope 51 and the seal rope 52 are connected to the peripheral surface of the operation roller 3.
When the control device is used for controlling the water inlet of the box body 1, the driving component 4 drives the operating roller 3 to rotate forwards or backwards; when the operation roller 3 rolls the sealing pull rope 52, the water inlet pull rope 51 is in a paying-off state at the moment, the sealing ball 5 seals the water inlet hole 11, and an external water source cannot enter the box body 1 through the water inlet hole 11. When the operation roller 3 winds up the water inlet pulling rope 51, at this time, the sealing pulling rope 52 is in a wire releasing state, the sealing ball 5 moves towards the large-aperture end of the water inlet hole 11, and water flows into the box body 1 from a gap between the sealing ball 5 and the water inlet hole 11.
Referring to fig. 1 and 2, the driving assembly 4 includes a driving motor 41, a driving pulley 42, a driven pulley 43, and a driving belt 44. The body of the driving motor 41 is fixedly connected with the support frame 2; the driving pulley 42 is coaxially arranged with and fixedly connected with an output shaft of the driving motor 41; the driven pulley 43 is coaxially disposed with the operation roller 3 and fixedly connected thereto; the drive belt 44 is sleeved between the drive pulley 42 and the driven pulley 43. The operation roller 3 is driven to rotate through positive and negative rotation of the driving motor 41, manual operation is not needed, and the operation is more convenient and rapid.
Referring to fig. 1 and 2, the clamp assembly 7 includes a fixed clamp plate 71 and a movable clamp plate 72 that are parallel to each other. The fixed clamping plate 71 and the movable clamping plate 72 are respectively located on two sides of the bottom of the support frame 2, the fixed clamping plate 71 is fixedly connected with the support frame 2, and the movable clamping plate 72 is in sliding contact with the support frame 2 along the width direction of the support frame 2. A driving block 73 fixedly connected with the support frame 2 is arranged on one side of the movable clamping plate 72, which is far away from the fixed clamping plate 71, and a driving screw 74 which penetrates through the driving block 73 and is in threaded connection with the driving block 73 is arranged on the driving block 73; the end of the drive screw 74 is rotatably connected to the movable clamp plate 72. When installing support frame 2, the both sides of the box 1 tank wall at inlet opening 11 place in are respectively arranged in to fixed grip block 71 and activity grip block 72, rotate drive screw 74, and then drive activity grip block 72 and remove along support frame 2 width direction, and then with box 1 lateral wall centre gripping between fixed grip block 71 and activity grip block 72 to can convenient and fast install the location to support frame 2.
Referring to fig. 1 and 3, the axis of the water inlet 11 is inclined downward from the outside of the side wall of the case 1 to the inside of the side wall of the case 1. Chamfers 12 are respectively arranged on the upper parts of the edges of the two ends of the water inlet hole 11. The pressure in the box 1 outside is greater than the inboard pressure of box 1, and then leads to when the stay cord 51 of intaking outwards stimulates, and the resistance that receives water is great, and the pulling is more difficult, and it is downward to the inboard slope of box 1 lateral wall in its axis box 1 lateral wall through setting up inlet opening 11, and then when stimulateeing the stay cord 51 of intaking, it is more laborsaving. Through being provided with chamfer 12 respectively on inlet opening 11 both ends edge upper portion, and then reduce into stay cord 51 and sealed stay cord 52 and the 11 border position departments of inlet opening friction to the messenger is more smooth and easy to the pulling of intaking stay cord 51 and sealed stay cord 52, and can effectively reduce into the wearing and tearing of stay cord 51 and sealed stay cord 52.
Referring to fig. 1 and 4, two sides of the supporting frame 2 are respectively provided with a guide hole 21 of the supporting frame 2 vertically penetrating through; the water feed cord 51 and the seal cord 52 are inserted through the corresponding guide holes 21. The water feed rope 51 and the seal rope 52 are guided by the guide holes 21, and the pulling directions of the water feed rope 51 and the seal rope 52 can be controlled more favorably.
Referring to fig. 1 and 5, self-locking hooks 6 are respectively fixed at the end parts of the water inlet pull rope 51 and the sealing pull rope 52; hanging rings 31 used for being connected with the self-locking hooks 6 are fixed on the circumferential surface of the operation roller 3, and the hanging rings 31 correspond to the self-locking hooks 6 one by one. Two suspension rings 31 are provided and fixed to both ends of the operation roller 3, respectively. Through setting up auto-lock couple 6 and link 31, and then can convenient and fast will intake stay cord 51 and sealed stay cord 52 and connect on operation roller 3 to have and dismantle the convenience, be difficult for advantage such as drop. The size of the self-locking hook 6 can pass through the small-diameter ends of the guide hole 21 and the water inlet hole 11.
Referring to fig. 2 and 6, a rectangular block 32 is further fixed to an end of the operation roller 3 remote from the driven pulley 43. The water inflow control device also comprises a crank 8. The end of the crank 8 is provided with a slot for inserting the rectangular block 32. When the driving motor 41 is inconvenient to drive and use by using electric power, the transmission belt 44 is separated from the driven pulley 43, and the crank 8 is inserted into the rectangular block 32; the operation roller 3 is rotated by rotating the crank 8, so that the control device is more flexible and convenient to use.
Example 2:
a caisson water inflow control method applies the caisson water inflow control device in embodiment 1, and comprises the following steps:
step S1, forming a conical water inlet hole 11 in the side wall of the box body 1, wherein the aperture of the water inlet hole 11 gradually decreases from the outer side to the inner side of the side wall of the box body 1; the axis of the water inlet 11 is inclined downwards from the outer side of the side wall of the box body 1 to the inner side of the side wall of the box body 1.
Step S2, after step S1 is completed, a sealing ball 5 for sealing the water inlet hole 11 is placed in the water inlet hole 11; the sealing ball 5 is connected with a water inlet pull rope 51 and a sealing pull rope 52, the water inlet pull rope 51 penetrates out from the large-diameter end of the water inlet hole 11, and the sealing pull rope 52 penetrates out from the small-diameter end of the water inlet hole 11;
step S3, after step S2 is completed, providing an operation roller 3 capable of rotating around a horizontal axis on the upper portion of the side wall of the box body 1 on the side where the water inlet hole 11 is opened, and connecting the end portions of the water inlet pulling rope 51 and the sealing pulling rope 52 to the peripheral surface of the operation roller 3;
step S4, after step S3 is completed, the box body 1 is pressed into the water, and the water inlet hole 11 is immersed into the water; the operation roller 3 is rotated, so that water flow enters the box body 1 from the water inlet hole 11; in the water inlet process of the box body 1, the position of the sealing ball 5 is adjusted by rotating the operation roller 3, so that the flow of the water inlet 11 is adjusted until the box body 1 sinks to the set draft;
in step S5, after step S4 is completed, the box 1 is carried to the set position, the connection between the seal cord 52 and the operation roller 3 is released, and the seal ball 5 is pulled out from the large hole end of the water inlet hole 11 by the water inlet cord 51, thereby completing the recovery operation.
Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for the purpose of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (10)
1. The utility model provides a caisson with inflow control device, includes box (1) and inflow control device, box (1) one side is seted up inlet opening (11) that run through box (1) lateral wall, its characterized in that: the water inlet hole (11) is a taper hole with the diameter gradually reduced from the outer side to the inner side of the side wall of the box body (1); the water inflow control device comprises a support frame (2), an operation roller (3) arranged on the support frame (2) and a sealing ball (5) used for sealing a water inlet hole (11); the operating roller (3) is rotationally connected with the support frame (2); the sealing ball (5) is fixedly connected with a water inlet pull rope (51) and a sealing pull rope (52); the water inlet pull rope (51) penetrates out of the large-aperture end of the water inlet hole (11), and the sealing pull rope (52) penetrates out of the small-aperture end of the water inlet hole (11); the ends of the water inlet pull rope (51) and the sealing pull rope (52) are respectively connected to the peripheral surface of the operation roller (3).
2. A caisson with inflow control device according to claim 1, characterised in that: the axis of the water inlet hole (11) is inclined downwards from the outer side of the side wall of the box body (1) to the inner side of the side wall of the box body (1).
3. A caisson with inflow control device, according to claim 2, characterised in that: chamfers (12) are respectively arranged on the upper parts of the edges of the two ends of the water inlet hole (11).
4. A caisson with inflow control device according to claim 1, characterised in that: the end parts of the water inlet pull rope (51) and the sealing pull rope (52) are respectively fixed with a self-locking hook (6); hanging rings (31) used for being connected with the self-locking hooks (6) are fixed on the circumferential surface of the operation roller (3), and the hanging rings (31) correspond to the self-locking hooks (6) one by one.
5. A caisson with inflow control device according to claim 1, characterised in that: two sides of the support frame (2) are respectively provided with a guide hole (21) of the support frame (2) which vertically penetrates through; the water inlet pull rope (51) and the sealing pull rope (52) respectively penetrate through the corresponding guide holes (21).
6. A caisson with inflow control device according to claim 1, characterised in that: the bottom of the support frame (2) is provided with a clamping component (7) for connecting and fixing the support frame (2) and the side wall of the box body (1); the clamping assembly (7) comprises a fixed clamping plate (71) and a movable clamping plate (72) which are parallel to each other; the movable clamping plate (72) is in sliding contact with the support frame (2) along the width direction of the support frame (2); a driving block (73) fixedly connected with the support frame (2) is arranged on one side, away from the fixed clamping plate (71), of the movable clamping plate (72), and a driving screw (74) penetrating through the driving block (73) and in threaded connection with the driving block (73) is arranged on the driving block (73); the end of the drive screw (74) is rotatably connected with the movable clamping plate (72).
7. A caisson with inflow control device according to claim 1, characterised in that: one end of the operating roller (3) is provided with a driving component (4); the driving component (4) comprises a driving motor (41), a driving belt pulley (42), a driven belt pulley (43) and a transmission belt (44); the body of the driving motor (41) is fixedly connected with the support frame (2); the driving belt pulley (42) is coaxially arranged with an output shaft of the driving motor (41) and is fixedly connected with the output shaft; the driven pulley (43) is coaxially arranged with the operating roller (3) and is fixedly connected with the operating roller; the transmission belt (44) is sleeved between the driving pulley (42) and the driven pulley (43).
8. A caisson with inflow control device according to claim 7, characterised in that: a rectangular block (32) is fixed on the end face of one end of the operating roller (3); the water inflow control device also comprises a crank (8) which is used for being spliced with the rectangular block (32).
9. A caisson water inflow control method is characterized by comprising the following steps:
step S1, forming a conical water inlet hole on the side wall of the caisson, wherein the aperture of the water inlet hole is gradually reduced from the outer side to the inner side of the side wall of the caisson;
step S2, after the step is finished, a sealing ball used for sealing the water inlet hole is placed in the water inlet hole; the sealing ball is connected with a water inlet pull rope and a sealing pull rope, the water inlet pull rope penetrates out from the large-diameter end of the water inlet hole, and the sealing pull rope penetrates out from the small-diameter end of the water inlet hole;
step S3, after step S2 is completed, an operation roller capable of rotating around a horizontal axis is arranged at the upper part of the side wall of the caisson at one side of the water inlet hole, and the end parts of the water inlet pull rope and the sealing pull rope are respectively connected to the circumferential surface of the operation roller;
step S4, after step S3 is completed, the caisson is pressed into the water, and the water inlet hole is made to be submerged into the water; the operation roller is rotated to enable water flow to enter the caisson from the water inlet hole; in the water inlet process of the caisson, the position of the sealing ball is adjusted by rotating the operation roller, so that the flow of the water inlet hole is adjusted until the caisson sinks to the set draft;
and step S5, after the step S4 is completed, the caisson is carried to the setting position, the connection between the sealing pull rope and the operation roller is released, and the sealing ball is pulled out from the large hole end of the water inlet hole through the water inlet pull rope, so that the recovery operation is completed.
10. The caisson water inflow control method of claim 9, wherein: in step S1, the axis of the water inlet hole is inclined downward from the outside of the side wall of the caisson to the inside of the side wall of the caisson.
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