阅读说明：本技术 一种水下绞车用牵引装置 (Traction device for underwater winch ) 是由 姜淑忠 戴明轩 姜浩壬 姜雷 于 2020-08-20 设计创作，主要内容包括：本发明公开了一种水下绞车用牵引装置,包括出缆口、进缆口、支撑板、牵引机构、压缆机构和缆径检测机构,支撑板对称设置形成安装区,出缆口和进缆口分别设置在支撑板的左右两端,缆径检测机构设置在进缆口的后端,用于检测线缆直径,牵引机构和压缆机构设置在安装区内,利用压缆机构将线缆压在牵引机构上,通过牵引机构将线缆从进缆口向出缆口移动；本发明的牵引装置配合水下绞车使用,使水下绞车在收放电缆时,绞车卷筒和牵引机构之间的电缆始终保持一定的张力,使得绞车卷筒排出整齐致密的电缆；配合缆径检测机构,实现在线缆径检测,自动切换成配合的压轮,以保证线缆的牵引力。(The invention discloses a traction device for an underwater winch, which comprises a cable outlet, a cable inlet, a support plate, a traction mechanism, a cable pressing mechanism and a cable diameter detection mechanism, wherein the support plate is symmetrically arranged to form an installation area; the traction device is matched with the underwater winch for use, so that when the underwater winch is used for reeling and unreeling a cable, the cable between the winch drum and the traction mechanism is always kept at a certain tension, and the winch drum discharges the neat and compact cable; the cable diameter detection mechanism is matched to realize on-line cable diameter detection, and the pressing wheel is automatically switched to be matched to ensure the traction force of the cable.)

1. The traction device for the underwater winch is characterized by comprising a cable outlet, a cable inlet, a support plate, a traction mechanism, a cable pressing mechanism and a cable diameter detection mechanism, wherein the support plate is symmetrically arranged to form an installation area, the cable outlet and the cable inlet are respectively arranged at the left end and the right end of the support plate, the cable diameter detection mechanism is arranged at the rear end of the cable inlet and is used for detecting the diameter of a cable, the traction mechanism and the cable pressing mechanism are arranged in the installation area, the cable is pressed on the traction mechanism by the cable pressing mechanism, and the cable is moved from the cable inlet to the cable outlet by the traction mechanism;

the traction mechanism comprises a driving gear, a driven gear, a chain, a traction motor and a plurality of traction blocks, the driving gear and the driven gear are rotatably arranged on the supporting plate, the chain is arranged on the driving gear and the driven gear, the traction motor is used for driving the driving gear to rotate, traction grooves are concavely formed in the traction blocks, and the traction grooves are V-shaped.

2. The towing apparatus for underwater winch according to claim 1, further comprising a guide bar for supporting and guiding the chain to move, wherein the guide bar is disposed between the driving gear and the driven gear, and the guide bar is upwardly protruded with a guide portion corresponding to the width of the chain.

3. The traction device as claimed in claim 1, further comprising a guide plate, wherein two ends of the guide plate are provided with chamfers, and the guide plate is symmetrically arranged on the support plate.

4. The traction device for the subsea winch according to claim 1, wherein the cable pressing mechanism comprises two sets of pressing wheel mechanisms, a first gear and a driving motor, the pressing wheel mechanism comprises a pressing rod, a first rotating shaft, a second gear, a first pressing wheel and a second pressing wheel which are matched with the diameter of the cable, the first pressing wheel and the second pressing wheel are rotatably arranged at two ends of the pressing rod, the first rotating shaft is rotatably arranged on the supporting plate, one end of the pressing rod is connected with the middle part of the pressing rod, the other end of the pressing rod is connected with the second gear, the two groups of pressing wheel mechanisms are arranged at intervals, the first gear is meshed between the second gears of the two groups of pressing wheel mechanisms, the first gear is driven to rotate by the driving motor, the first gear and the second gear are arranged in a gear box, and the gear box adopts an oil-filled compensation structural form.

5. The traction device as claimed in claim 1, wherein the cable diameter detection mechanism comprises a first guide wheel, a swing arm, a torsion spring, a second rotating shaft and an angle sensor, the second rotating shaft is rotatably disposed on the support plate, one end of the second rotating shaft is connected to the middle of the swing arm, the other end of the second rotating shaft is connected to the angle sensor, one end of the swing arm is rotatably disposed on the first guide wheel, and the torsion spring is disposed on the second rotating shaft and provides a clockwise driving force for the second rotating shaft.

6. The traction device as claimed in claim 5, further comprising a limiting rod disposed on the support plate to limit a lower limit position of the first guide wheel.

7. The traction device for the underwater winch according to claim 1, wherein the cable inlet comprises four second guide wheels and a bracket, and the four second guide wheels are respectively arranged on the bracket in a back-and-forth and up-and-down rotating manner so as to guide four sides of the cable.

8. The pulling device as claimed in claim 1, wherein the angle of the pulling groove is 30 ° to 60 °.

9. The pulling device as claimed in claim 1, wherein the cable outlet is flared.

Technical Field

The invention relates to the field of underwater equipment, in particular to a traction device for an underwater winch.

Background

The underwater exploration cable is usually composed of mixed cables with different cable diameters, and the bending radius is large. In order to densely arrange the cables on the underwater winch, a traction mechanism is often required to be added. The traditional traction mechanism generally mainly uses water surface application, generally adopts a tension wheel with a V-shaped groove to tension and pull, but the traction mechanism is heavy due to the adoption of the mechanism, and the requirement of light weight of underwater equipment cannot be met.

Disclosure of Invention

Aiming at overcoming the defects in the prior art, the invention mainly aims to overcome the defects in the prior art and discloses a traction device for an underwater winch, which comprises a cable outlet, a cable inlet, a support plate, a traction mechanism, a cable pressing mechanism and a cable diameter detection mechanism, wherein the support plate is symmetrically arranged to form an installation area, the cable outlet and the cable inlet are respectively arranged at the left end and the right end of the support plate, the cable diameter detection mechanism is arranged at the rear end of the cable inlet and is used for detecting the diameter of a cable, the traction mechanism and the cable pressing mechanism are arranged in the installation area, the cable is pressed on the traction mechanism by the cable pressing mechanism, and the cable is moved from the cable inlet to the cable outlet by the traction mechanism;

the traction mechanism comprises a driving gear, a driven gear, a chain, a traction motor and a plurality of traction blocks, the driving gear and the driven gear are rotatably arranged on the supporting plate, the chain is arranged on the driving gear and the driven gear, the traction motor is used for driving the driving gear to rotate, traction grooves are concavely formed in the traction blocks, and the traction grooves are V-shaped.

Further, the chain guide device further comprises a guide strip used for supporting and guiding the chain to move, the guide strip is arranged between the driving gear and the driven gear, and the guide strip protrudes upwards to form a guide part matched with the width of the chain.

Furthermore, the device also comprises a guide plate, chamfers are arranged at two ends of the guide plate, and the guide plate is symmetrically arranged on the supporting plate.

The cable pressing mechanism comprises two groups of pressing wheel mechanisms, a first gear and a driving motor, the pressing wheel mechanisms comprise pressing rods, a first rotating shaft, a second gear, a first pressing wheel and a second pressing wheel, the first pressing wheel and the second pressing wheel are matched with the cable in diameter, the first pressing wheel and the second pressing wheel are rotatably arranged at two ends of the pressing rods, the first rotating shaft is rotatably arranged on the supporting plate, one end of the first rotating shaft is connected with the middle of the pressing rods, the other end of the first rotating shaft is connected with the second gear, the two groups of pressing wheel mechanisms are arranged at intervals, the first gear is meshed with the second gears of the two groups of pressing wheel mechanisms, the driving motor is used for driving the first gear to rotate, the first gear and the second gear are arranged in a gear box, and the gear box adopts an oil-filled compensation structural form.

Further, cable footpath detection mechanism includes first guide pulley, swing arm, torsional spring, second pivot and angle sensor, the second pivot rotates to be set up in the backup pad, its one end with the middle part of swing arm is connected, the other end with angle sensor connects, the one end of swing arm rotates to be set up first guide pulley, the torsional spring sets up in the second pivot, for the second pivot provides clockwise pivoted drive power.

Further, still include the gag lever post, the gag lever post sets up in the backup pad to the restriction first guide pulley lower limit position.

Furthermore, the cable inlet comprises four second guide wheels and a support, and the four second guide wheels are respectively arranged on the support in a front-back up-and-down rotating mode so as to guide the four sides of the cable.

Further, the angle of the traction groove is 30-60 degrees.

Further, the cable outlet is trumpet-shaped.

The invention has the following beneficial effects:

the traction device is matched with the underwater winch for use, so that when the underwater winch is used for reeling and unreeling a cable, the cable between the winch drum and the traction mechanism is always kept at a certain tension, and the winch drum discharges the neat and compact cable; the cable diameter detection mechanism is matched to realize on-line cable diameter detection, and the pressing wheel is automatically switched to be matched to ensure the traction force of the cable. Through pinch roller and traction groove cooperation, increase the frictional force between cable and the traction groove. The cable inlet is provided with four guide wheels to guide the four sides of the cable, so that the cable is prevented from jumping.

Drawings

FIG. 1 is a schematic perspective view of a towing attachment for a subsea winch according to the present invention;

FIG. 2 is a schematic diagram of the internal structure of a towing mechanism for a subsea winch according to the present invention;

FIG. 3 is a perspective view of the traction mechanism;

FIG. 4 is a cross-sectional view of the traction mechanism;

FIG. 5 is a schematic structural view of a cable pressing mechanism;

FIG. 6 is a schematic structural view of a cable diameter detection mechanism;

FIG. 7 is a schematic structural view of a cable entry port;

the reference numbers are as follows:

1. the cable comprises a cable outlet, 2, a cable inlet, 3, a support plate, 4, a traction mechanism, 5, a cable pressing mechanism, 6, a cable diameter detection mechanism, 21, a second guide wheel, 22, a support, 41, a driving gear, 42, a driven gear, 43, a chain, 44, a traction motor, 45, a traction block, 46, a guide strip, 47, a guide plate, 451, a traction groove, 461, a guide part, 51, a pressing wheel mechanism, 52, a first gear, 53, a driving motor, 511, a pressing rod, 512, a first rotating shaft, 513, a second gear, 514, a first pressing wheel, 515, a second pressing wheel, 61, a first guide wheel, 62, a swing arm, 63, a torsion spring, 64, a second rotating shaft, 65 and an angle sensor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

A traction device for an underwater winch is shown in figure 1 and comprises a cable outlet 1, a cable inlet 2, a support plate 3, a traction mechanism 4, a cable pressing mechanism 5 and a cable diameter detection mechanism 6, wherein two support plates 3 are symmetrically arranged, and a mounting area for mounting the traction mechanism 4, the cable pressing mechanism 5 and the cable diameter detection mechanism 6 is formed between the two support plates. The cable outlet 1 and the cable inlet 2 are respectively arranged at the left end and the right end of the supporting plate 3. The cable diameter detection mechanism 6 is arranged at the rear end of the cable inlet 2, so that the diameter of the cable is monitored in real time. The traction mechanism 4 and the cable pressing mechanism 5 are arranged up and down, the cable is pressed on the traction mechanism 4 through the cable pressing mechanism 5, and the cable is pulled to the cable outlet 1 from the cable inlet 2 through the traction mechanism 4.

As shown in fig. 1-4, the traction mechanism 4 includes a driving gear 41, a driven gear 42, a chain 43, a traction motor 44 and a plurality of traction blocks 45, the driving gear 41 and the driven gear 42 are rotatably disposed in the mounting area through a rotating shaft, and two ends of the rotating shaft are respectively mounted on the support plate 3. The chain 43 is arranged on the driving gear 41 and the driven gear 42, the traction block 45 is fixedly arranged on the chain 43, the upper surface of the traction block 45 is concavely provided with a traction groove 451, and the traction groove 451 is V-shaped. The traction motor 44 is fixedly arranged on the outer side of the support plate 3 and connected with the driving gear 41, and the driving gear 41 is driven by the traction motor 44 to drive the chain to transmit. During the use, the cable is arranged in the traction groove 451, presses the cable in the traction groove 451 through pressing cable mechanism 5 to increase the frictional force between cable and traction groove 451, guarantee to have sufficient drive power to drive the cable and move from entering cable mouth 2 to the play cable mouth. The traction motor 44 should have a subsea utility, preferably in an oil-filled compensated configuration. Preferably, the angle of the traction groove 451 ranges from 30 to 60.

In the above embodiment, as shown in fig. 1 to 4, a guide bar 46 for supporting and guiding the movement of the chain 43 is further included, the guide bar 46 is disposed between the driving gear 41 and the driven gear 42, and the guide sleeve 46 is protruded upward to provide a guide portion 461 fitting the width of the chain 43. The chain 43 at the middle part of the driving gear 41 and the driven gear 42 is supported by the guide strip 46, and the middle chain 43 is placed to droop; while guiding the chain 43 to move horizontally by the guide portion 461.

In one embodiment, as shown in fig. 1-4, the device further comprises guide plates 47, wherein both ends of the guide plates 47 are provided with chamfers, and the guide plates 47 are symmetrically arranged on the two support plates 3. The guide channel with the narrow middle part and the wide two ends is formed by the two guide plates 47, the width of the middle part is matched with the width of the traction block 45, and the traction block 45 is guaranteed not to shake forwards and backwards. Preferably, the guide strip 46 arranged below is matched with the cable pressing mechanism arranged above, so that the limitation on the cable in four directions is realized, and further, the stable horizontal movement of the cable is ensured.

In an embodiment, as shown in fig. 1, 2 and 5, the cable pressing mechanism 5 includes two sets of pressing wheel mechanisms 51, a first gear 52 and a driving motor 53, the first gear 52 is connected to the driving motor 53, and the driving motor 53 drives the first gear 52 to rotate, so as to drive the pressing wheel mechanisms 51 to rotate. Specifically, pinch roller mechanism 51 includes depression bar 511, first pivot 512, second gear 513 and with first pinch roller 514 and the second pinch roller 515 of cable diameter complex, because the cable comprises the diameter of two kinds of different specifications, consequently, through setting up the cable of the different diameters of first pinch roller 514 and the cooperation of second pinch roller 515 both ends, can be better compress tightly the cable in traction groove 451. The first pinch roller 514 and the second pinch roller 515 are rotatably arranged at two ends of the pressure lever 511, the first rotating shaft 512 is rotatably arranged on the supporting plate 3, one end of the first rotating shaft is connected with the middle of the pressure lever 511, the other end of the first rotating shaft is connected with the second gear 513, the two groups of pressure wheel mechanisms 51 are arranged at intervals, the first gear 52 is meshed and arranged between the second gears 513 of the two groups of pressure wheel mechanisms 51, and the driving motor 53 is used for driving the first gear 52 to rotate so as to drive the pressure wheel mechanisms 51 to synchronously rotate clockwise and anticlockwise so as to switch the pressure wheels pressed on the cable. The first gear 52 and the second gear 513 are arranged in a gearbox, which is of an oil-filled compensating construction.

In one embodiment, as shown in fig. 1, 2 and 6, the cable diameter detecting mechanism 6 includes a first guide wheel 61, a swing arm 62, a torsion spring 63, a second rotating shaft 64 and an angle sensor 65, the second rotating shaft 64 is rotatably disposed on the supporting plate 3, one end of the second rotating shaft 64 is connected to the middle of the swing arm 62, the other end of the second rotating shaft is connected to the angle sensor 65, one end of the swing arm 62 is rotatably disposed on the first guide wheel 61, and the torsion spring 63 is disposed on the second rotating shaft 64 to provide a clockwise driving force for the second rotating shaft 64. To ensure that first guide pulley 51 is snug against the cable. The angle of the swing arm 62 is measured by the angle sensor 65, so that the diameter of the cable is judged, and the cable pressing mechanism 5 is switched to the pressing wheel matched with the diameter of the cable to press the cable. Preferably, a limiting rod is further included, and the limiting rod is arranged on the support plate 3 and is not positioned at the left end of the swing arm 62, so that the swing arm 62 is blocked from further rotating to limit the lower limit position of the first guide wheel 61.

In an embodiment, as shown in fig. 1, 2 and 7, the cable inlet 2 includes four second guide wheels 21 and a bracket 22, and the four second guide wheels 21 are respectively rotatably disposed on the bracket 22 back and forth and up and down to guide four sides of the cable and prevent cable jumping.

In one embodiment, as shown in fig. 1 and 2, the cable outlet 1 is trumpet-shaped.

When the cable jumping device is used, as shown in figures 1-7, cables enter the installation area through the cable inlet 2 and exit from the cable outlet 1, and the cables are placed through the four second guide wheels 21 to jump. The cable is placed in the traction groove 451 while the first guide wheel 61 presses on the cable, and the diameter of the cable is measured in real time to select the corresponding pinch roller to press the cable in the traction groove 451. The traction motor 44 drives the driving gear 41 to rotate so as to drive the chain 43 to rotate counterclockwise, and synchronously drives the traction block 45 to move so as to move the cable from the cable inlet 2 to the cable outlet 1.

The above are merely preferred embodiments of the present invention, and are not intended to limit the scope of the invention; it is intended that the following claims be interpreted as including all such alterations, modifications, and equivalents as fall within the true spirit and scope of the invention.