CN114435541B - Water-filled towing flow deflector and matched clamp thereof - Google Patents
Water-filled towing flow deflector and matched clamp thereof Download PDFInfo
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- CN114435541B CN114435541B CN202111578525.XA CN202111578525A CN114435541B CN 114435541 B CN114435541 B CN 114435541B CN 202111578525 A CN202111578525 A CN 202111578525A CN 114435541 B CN114435541 B CN 114435541B
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- water
- guide vane
- towing
- main body
- clamp
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/56—Towing or pushing equipment
- B63B21/66—Equipment specially adapted for towing underwater objects or vessels, e.g. fairings for tow-cables
- B63B21/663—Fairings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
Abstract
The invention discloses a water-filled towing flow deflector and a matched clamp thereof, wherein the flow deflector comprises: a sticking buckle belt and a guide vane main body; the towing device can automatically fill water to form a better streamline shape in the towing process, reduces resistance and vibration in the towing process, can extrude and discharge water filled in the towing device in the recycling process, reduces the volume of towing flow deflectors, and does not need additional righting devices for righting in the retraction and storage processes; the clips can securely mount the deflector to the streamer.
Description
Technical Field
The invention relates to the technical field of underwater towing detection, in particular to a water-filled towing flow deflector and a matched clamp thereof.
Background
In the technical field of underwater towing detection, in order to improve the depth setting efficiency of a towing system (the depth setting is realized by a short cable length), a towing flow deflector is usually additionally arranged on a towing cable, at present, the towing flow deflector is made of solid materials such as metal, polyurethane or rubber, and the streamline shape of the towing flow deflector made of the solid materials can be better, so that the effect of reducing the towing cable resistance and vibration is better, but because the towing flow deflector made of the solid materials is difficult to compress, compared with a common towing winch, the reeling and unreeling flow deflector and the towing winch of the towing cable tend to have huge size, and meanwhile, in order to avoid the irrecoverable deformation caused by extrusion of the towing flow deflector in the reeling and unreeling storage process of the towing cable, the streamline shape of the towing flow deflector is further caused to be degraded (the damping effect is poor), and an additional centralizing device is additionally arranged in the reeling and unreeling storage process, so that the reeling and unreeling device is more complicated.
Disclosure of Invention
In view of the above, the invention provides a water-filled towing flow deflector and a matched clamp thereof, the flow deflector can be automatically filled with water to form a better streamline shape in the towing process, the resistance and vibration in the towing process are reduced, the water filled in the flow deflector in the recycling process can be extruded and discharged, the volume of the towing flow deflector is reduced, and an additional righting device is not needed for righting operation in the retraction and storage processes; the clips can securely mount the deflector to the streamer.
The technical scheme of the invention is as follows: a water-fillable streamer baffle, comprising: a sticking buckle belt and a guide vane main body; the adhesive tape consists of a round surface of the adhesive tape and a thorn surface of the adhesive tape which can be bonded by opposite pressing; the guide vane main body is made of waterproof canvas materials;
the upper part of the guide vane main body is of an open-close type sleeve structure which is sleeved on the towing rope, and the round hair surface of the sticking buckle belt and the thorn hair surface of the sticking buckle belt are respectively fixed at two opposite open-close positions of the open-close type sleeve structure and are used for fixing the upper part of the guide vane main body on the towing rope when the round hair surface of the sticking buckle belt and the thorn hair surface of the sticking buckle belt are in butt joint;
the lower part of the guide vane main body is provided with a cavity, the upper part of the cavity is provided with a water inlet, and the lower part of the cavity is provided with a drainage water permeable port; the water flows into the cavity from the water inlet, and the water in the cavity flows out through the drainage water permeable port; when the guide vane main body is filled with water, the water inlet in the cavity is larger than the water outlet; when the guide vane main body discharges water, the water discharged from the cavity is larger than the water fed in; and the total overflow area of the drainage water permeable port is equal to the total overflow area of the water inlet under the opening state of the guide vane main body, and then the cavity is kept to be full of water flow in the dragging process.
Preferably, the method further comprises: the end parts of the guide vane main body, which correspond to the towing cable dry end, are connected with a binding belt through the connecting belt, and the binding belt binds the guide vane main body at the towing cable dry end and is used for limiting the guide vane main body in a sliding way along the towing cable axial direction.
Preferably, the length of the binding belt is 1.2-1.3 times of the circumference of the circular section of the towing cable bound by the binding belt, and when the binding belt binds the towing cable, one surface of the inner and outer ring surfaces is a thorn surface, and the other surface is a circular surface.
Preferably, the material of the connecting band is the same as that of the guide vane main body.
Preferably, the material of the strap is the same as the material of the fastening tape.
A clamp matched with a water-filled towing flow deflector is arranged at the dry end of a towing rope, and a binding belt ring is bound on the clamp and used for limiting the water-filled towing flow deflector.
Preferably, the clamp is composed of a clamp semicircle A and a clamp semicircle B, wherein the clamp semicircle A and the clamp semicircle B are provided with a semi-annular groove along the circumferential direction, and the two semi-annular grooves form an annular groove together; two through holes are respectively formed in the two circumferential ends of the clamp semicircular ring A, and the two through holes at each end are positioned at two sides of the width direction of the semicircular groove; two threaded blind holes are respectively formed in two circumferential ends of the clamp semicircle ring B, and the two threaded blind holes at each end are positioned at two sides of the width direction of the semicircle ring groove; and the clamping band semicircular ring A and the clamping band semicircular ring B are connected and fastened by penetrating the corresponding threaded blind holes from the corresponding through holes through four screws respectively.
Preferably, the width of the semi-annular groove is 1.1-1.2 times of the width of the binding band.
The beneficial effects are that:
1. the water-filled towing rope guide vane is sleeved and fastened on the towing rope through the fastening belt, the upper part and the lower part of the guide vane main body are respectively provided with the water inlet and the water drainage and permeable opening, so that whether the cavity in the guide vane main body is filled with water or not and the filling degree of the water can be conveniently controlled according to actual working conditions, the guide vane can be automatically filled with water to form a good streamline shape in the towing process, the resistance and vibration in the towing process are reduced, the water filled in the guide vane in the towing process can be extruded and discharged, the volume of the towing rope guide vane is reduced, and an additional centralizing device is not needed in the collecting, releasing and storing process.
2. The specific design of the binding belt can stably bind the guide vane main body to the dry end of the towing rope, so that the guide vane main body can be limited along the axial movement of the towing rope.
3. The clamp disclosed by the invention is used for sleeving the binding belt arranged at the end part of the water-filled towing rope guide vane in the circumferential annular groove of the clamp, so that the water-filled towing rope guide vane can be effectively positioned and limited while the binding belt is prevented from sliding.
Drawings
FIG. 1 is a schematic illustration of the installation of a single set of water-fillable streamer baffle and its associated clips on a streamer.
Fig. 2 is a section A-A of fig. 1.
FIG. 3 is a block diagram of the profile of a water-fillable streamer baffle.
Fig. 4 is a front view of the clip.
Fig. 5 is a top view of the clip.
FIG. 6 is a three-dimensional schematic view of a single set of water-fillable streamer baffle and its associated clip mounted on a streamer.
The water-filled towing rope guide vane comprises a 1-water-filled towing rope guide vane, a 2-clamp, a 3-towing rope, a 4-binding belt, a 5-connecting belt, a 6-water inlet, a 7-drainage water-permeable port, an 8-thread gluing belt round burr surface, a 9-thread gluing belt burr surface, a 10-cavity, an 11-guide vane main body, a 12-clamp semicircle ring A, a 13-clamp semicircle ring B, a 14-through hole, a 15-thread blind hole and a 16-semicircle groove.
Detailed Description
The invention will now be described in detail by way of example with reference to the accompanying drawings.
The embodiment provides the water-filled towing flow deflector and the matched clamp thereof, the water deflector can be automatically filled with water to form a better streamline shape in the towing process, the resistance and vibration in the towing process are reduced, the water filled in the towing flow deflector in the recycling process can be extruded and discharged, the volume of the towing flow deflector is reduced, and an additional righting device is not needed in the retraction and storage processes for righting operation; the clips can securely mount the deflector to the streamer.
As shown in fig. 1 and 6, the water-filled type towing rope guide vane 1 is sleeved on the towing rope 3 and fastened at the dry end of the towing rope 3 through the clamp 2, and the clamp 2 can effectively prevent the water-filled type towing rope guide vane 1 from axially moving along the towing rope 3; in the towing system, one end of the towing cable 3 is connected with a towing ship on the water surface, and the other end of the towing cable is connected with underwater towing detection equipment, so that the end close to the towing ship is a dry end of the towing cable 3, and the end close to the underwater towing detection equipment is a wet end.
As shown in fig. 2 and 3, the water-fillable streamer baffle 1 comprises: a binding band 4, a connecting band 5, a sticking buckle belt and a guide vane main body 11; the fastening tape consists of a fastening tape round hair surface 8 and a fastening tape thorn hair surface 9 which can be bonded by opposite pressing;
the upper part of the deflector main body 11 is of an open-close sleeve structure and can be sleeved on the towing rope 3, the round hair surface 8 of the adhesive tape and the thorn hair surface 9 of the adhesive tape are respectively fixed at two opposite open-close positions of the upper part of the deflector main body 11 in a braiding or bonding mode, the upper part of the deflector main body 11 can be fastened on the towing rope 3 by pressing the round hair surface 8 of the adhesive tape and the thorn hair surface 9 of the adhesive tape, and a binding belt 4 is connected at the end part of the deflector main body 11 corresponding to the dry end of the towing rope 3 through a connecting belt 5 (namely, one end of the connecting belt 5 is connected with the deflector main body 11 in a braiding or bonding mode, and the other end of the connecting belt is connected with the binding belt 4 in a braiding or bonding mode);
the lower part of the guide vane main body 11 is provided with a cavity 10, the cavity 10 is not completely closed, the upper part of the guide vane main body is provided with a water inlet 6, and the lower part of the guide vane main body is provided with a drainage water permeable port 7; in the underwater towing process, water flow can flow in from the water inlet 6 on the guide vane main body 11, fills the internal cavity 10 of the guide vane main body, fills the shape of the guide vane main body to form a good fluid shape, plays a good guide role, and can further reduce resistance and vibration in the towing process of the towing cable 3; meanwhile, after water is recycled, water in the cavity 10 of the guide vane main body 11 can also flow out through the drainage water permeable port 7; the total overflow area of the drainage water permeable opening 7 is equal to the total overflow area of the water inlet 6 when the guide vane main body 11 is in a fully-opened state, so that the cavity 10 can be completely filled with water flow in the towing process, and the water volume of the cavity 10 after filling can be kept relatively stable.
In this embodiment, the length of the binding band 4 is 1.2-1.3 times the circumference of the circular section of the towing cable 3, when the binding band 4 is used for binding the towing cable 3, the ring surface (i.e. the inner side) facing the towing cable 3 is a thorn surface, and the other surface (i.e. the outer side) is a circular surface, so that after the binding band 4 surrounds the towing cable 3 for a circle, the inner side of the binding band 4 is pressed on the outer side, and the binding band 4 can be sleeved and fastened on the towing cable 3 in the annular groove of the clamp 2.
In this embodiment, as shown in fig. 4 and 5, the clamp 2 is composed of two semicircular rings, namely a clamp semicircular ring a12 and a clamp semicircular ring B13, wherein a semicircular groove 16 is formed on the clamp semicircular ring a12 and the clamp semicircular ring B13 along the circumferential direction, and the two semicircular grooves 16 together form an annular groove; two through holes 14 are respectively formed in the two circumferential ends of the clamp semicircular ring A12, and the two through holes 14 at each end are positioned on two sides of the semicircular groove 16 in the width direction; two threaded blind holes 15 are respectively arranged at the two circumferential ends of the clamp semicircular ring B13, and the two threaded blind holes 15 at each end are positioned at two sides of the width direction of the semicircular groove 16; the clamp semicircle A12 and the clamp semicircle B13 can be connected and fastened by penetrating four screws into corresponding threaded blind holes 15 from corresponding through holes 14 respectively;
in the actual assembly, the clip 2 is first installed: the clamp semicircle A12 and the clamp semicircle B13 are fixed on the towing rope 3 through four screws; then installing the water-filled towing flow deflector 1, wherein the installation method comprises the following steps: firstly, an open-close sleeve structure at the upper part of a guide vane main body 11 is opened and sleeved on a towing rope 3, and then the guide vane main body 11 can be sleeved on the towing rope 3 through a thread gluing tape round surface 8 and a thread gluing tape thorn surface 9 on the guide vane main body 11, in the installation process, the end of a binding belt 4 on a water-filled towing rope guide vane 1 is required to be close to a clamp 2, and meanwhile, the end of the binding belt 4 on the water-filled towing rope guide vane 1 is required to be close to the dry end of the towing rope 3, so that the binding belt 4 on the water-filled towing rope guide vane 1 can be ensured to be fixed in an annular groove of the clamp 2, and the binding belt 4 fixed in the annular groove can prevent the water-filled towing rope guide vane 1 from sliding downwards due to gravity or fluid force in the towing process.
In this embodiment, the width of the semi-annular groove 16 is 1.1 to 1.2 times the width of the strap 4, so that the strap 4 can be completely sleeved in the annular groove of the clip 2.
In this embodiment, the material of the guide vane main body 11 and the connecting belt 5 are the same, and are made of low-density waterproof wear-resistant canvas materials such as polypropylene or polyethylene.
In this embodiment, the material of the strap 4 is the same as that of the fastening tape.
When in use, the working process is as follows:
after the water-filled type towing rope guide vane 1 and the matched clamp 2 are installed on the towing rope 3, the whole water-filled type towing rope guide vane 1 and the clamp 2 which are installed on the towing rope 3 are coiled and stored on a towing rope winch, because the installed water-filled type towing rope guide vane 1 is basically made of canvas materials such as polypropylene or polyethylene and the like and fastening tape (magic tape) materials, the water-filled type towing rope guide vane 1 can be repeatedly bent and extruded, no fear of unrecoverable deformation caused by extrusion is generated, a special righting mechanism is not needed to straighten the water-filled type towing rope guide vane 1, meanwhile, when the water-filled type towing rope guide vane is coiled on the towing rope, multi-layer coiling is carried out, the air in the cavity 10 in the water-filled type towing rope guide vane 1 can be extruded, the occupied volume and the occupied space can be greatly reduced, and the water flow can flow through the water inlet 6 on the towing rope guide vane 1 after the towing rope 3 is placed into water in the towing process, the cavity 10 can be filled with water flow, the water flow can be expanded through the water flow, the inner cavity 10 of the water-filled type towing rope guide vane 1 forms good flow profile, and forms a good water flow rate, and a complete expansion area is equal to the water flow guide vane 10 due to the fact that the water flow is completely flows through the water inlet opening 7 and the water inlet 10 and completely flows through the water inlet opening and completely, and the water inlet opening is completely due to the fact that the water flow guide vane is completely flows through the water inlet opening 7; when the towing operation is completed and the towing rope 3 is recovered, the water in the cavity 10 flows out through the drainage water permeable port 7 due to the gravity when the water-filled towing rope guide vane 1 recovers water, the volume of the water-filled towing rope guide vane 1 is gradually reduced, and the water-filled towing rope guide vane can be conveniently coiled on a towing rope winch as described above.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A water-fillable streamer baffle, comprising: a fastening tape and a deflector main body (11); the fastening tape consists of a fastening tape round hair surface (8) and a fastening tape thorn hair surface (9) which can be bonded by opposite pressing; the guide vane main body (11) is made of waterproof canvas materials;
the upper part of the guide vane main body (11) is of an open-close type sleeve structure, the guide vane main body is sleeved on the towing rope (3), the round hair surface (8) of the fastening belt and the thorn hair surface (9) of the fastening belt are respectively fixed at two opposite open-close positions of the open-close type sleeve structure, and the guide vane main body (11) is used for fixing the upper part of the guide vane main body (11) on the towing rope (3) when the round hair surface (8) of the fastening belt and the thorn hair surface (9) of the fastening belt are in butt joint;
a cavity (10) is arranged at the lower part of the guide vane main body (11), a water inlet (6) is formed in the upper part of the cavity (10), and a drainage water permeable port (7) is formed in the lower part of the cavity; the water flows into the cavity (10) from the water inlet (6), and the water in the cavity (10) flows out through the drainage water permeable port (7); when the guide vane main body (11) enters water, the water entering the cavity (10) is larger than the water exiting; when the guide vane main body (11) discharges water, the water discharged from the cavity (10) is larger than the water fed; and the total overflow area of the drainage water permeable opening (7) of the guide vane main body (11) is equal to the total overflow area of the water inlet (6) in the expanding state, and then the cavity (10) is kept full of water flow in the dragging process.
2. The water-fillable streamer baffle of claim 1, further comprising: the guide vane device comprises a binding belt (4) and a connecting belt (5), wherein the end part of a guide vane main body (11) corresponding to the dry end of a towing rope (3) is connected with the binding belt (4) through the connecting belt (5), and the binding belt (4) is used for binding the guide vane main body (11) at the dry end of the towing rope (3) and limiting the guide vane main body (11) in an axial sliding manner along the towing rope (3).
3. The water-fillable streamer baffle according to claim 2, wherein the length of the tie (4) is 1.2-1.3 times the circumference of the circular cross section of the towing cable (3) to which it is attached, and wherein one of the inner and outer annular surfaces is a barbed surface and the other is a rounded surface when the tie (4) is attached to the towing cable (3).
4. A water-fillable streamer baffle according to claim 2 or 3, wherein the connecting band (5) is of the same material as the baffle body (11).
5. A water-fillable streamer baffle as claimed in claim 2 or 3, wherein the material of the tie (4) is the same as the material of the hook and loop fastener.
6. A clip for mating with a water-fillable streamer baffle, the clip being disposed at a dry end of a streamer (3) and a strap (4) looped around the clip for restraining the water-fillable streamer baffle as defined in claim 2.
7. The clamp matched with the water-filled towing flow deflector of claim 6, wherein the clamp (2) consists of a clamp semicircle ring A (12) and a clamp semicircle ring B (13), wherein the clamp semicircle ring A (12) and the clamp semicircle ring B (13) are provided with a semicircular groove (16) along the circumferential direction, and the two semicircular grooves (16) form a circular groove together; two through holes (14) are respectively formed in the two circumferential ends of the clamp semicircular ring A (12), and the two through holes (14) at each end are positioned on two sides of the semicircular groove (16) in the width direction; two threaded blind holes (15) are respectively arranged at the two circumferential ends of the clamp semicircle ring B (13), and the two threaded blind holes (15) at each end are positioned at the two sides of the width direction of the semicircle ring groove (16); the four screws penetrate into the corresponding threaded blind holes (15) from the corresponding through holes (14) respectively and are used for fastening the connection of the clamp semicircle A (12) and the clamp semicircle B (13).
8. The clip of claim 7, wherein the semi-annular groove (16) has a width 1.1 to 1.2 times the width of the strap (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111578525.XA CN114435541B (en) | 2021-12-22 | 2021-12-22 | Water-filled towing flow deflector and matched clamp thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111578525.XA CN114435541B (en) | 2021-12-22 | 2021-12-22 | Water-filled towing flow deflector and matched clamp thereof |
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| Publication Number | Publication Date |
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| CN114435541A CN114435541A (en) | 2022-05-06 |
| CN114435541B true CN114435541B (en) | 2023-06-20 |
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| CN202111578525.XA Active CN114435541B (en) | 2021-12-22 | 2021-12-22 | Water-filled towing flow deflector and matched clamp thereof |
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Families Citing this family (1)
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| CN115416817B (en) * | 2022-11-04 | 2023-01-13 | 交通运输部天津水运工程科学研究所 | Pipe joint towing resistance reducing device for immersed tunnel and construction method thereof |
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| CN114435541A (en) | 2022-05-06 |
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