CN113353721A

CN113353721A - Cable traction device and clamping mechanism thereof

Info

Publication number: CN113353721A
Application number: CN202110722379.7A
Authority: CN
Inventors: 左天炬; 张仁和; 左宝生; 胡鹏; 李双贵; 伍胜强; 王列
Original assignee: Hunan Tianjian Ocean Engineering Equipment Co ltd
Current assignee: Hunan Tianjian Ocean Engineering Equipment Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-09-07

Abstract

The invention provides a cable traction device and a clamping mechanism thereof, wherein the clamping mechanism comprises two groups of clamping components which are symmetrically arranged at intervals along a first direction, and each clamping component comprises a driving wheel, a driven wheel, a synchronous belt and a pressing component; the driven wheel and the driving wheel are arranged at intervals along the second direction; the synchronous belts are sleeved on the driving wheel and the driven wheel, one side, close to each other, of the synchronous belts in the two groups of clamping assemblies is a near end, and one side, far away from each other, of the synchronous belts in the two groups of clamping assemblies is a far end; compress tightly the subassembly and set up between action wheel and follow driving wheel to elasticity butt in the one side that deviates from each other of the near-end of hold-in range, form the centre gripping clearance between the near-end of hold-in range. So, set up the subassembly that compresses tightly of elasticity butt hold-in range through the one side that deviates from each other at the near-end of hold-in range, can support and press the hold-in range to the direction that is close to the cable all the time and remove to when guaranteeing that the diameter of cable changes, the hold-in range can contact and conveying cable all the time, in order to promote the stability of cable transmission.

Description

Cable traction device and clamping mechanism thereof

Technical Field

The invention relates to the technical field of ocean exploration, in particular to a cable traction device and a clamping mechanism thereof.

Background

Modern ocean exploration technology focuses on application and development of ocean resources, and has attracted more and more attention in recent years. In order to detect the marine environments with different depths and ranges of the ocean more accurately, the special detection cable needs to be placed out to a distance and a depth far enough from the mother ship so as to ensure that the detection signal is clear and accurate enough.

Because the detection cable is a zero-buoyancy cable, traction equipment is required in the transmission process, and the cable can keep enough tension with the storage winch in the unwinding process, so that the cable can be unwound outwards stably at a constant speed. And this kind of detection cable anterior segment is for surveying usefulness, and the rear end is for the transmission use of pulling, adopts the different diameters. At present, no special traction equipment for the cable exists in the industry, and the traction equipment needs to be customized again when the cable with the specification is replaced, so that the cable cannot meet various diameter-changing requirements and the like.

Disclosure of Invention

The invention aims to provide a cable traction device and a clamping mechanism thereof so as to improve the stable releasing performance of cables with different diameters.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a fixture, fixture includes along the two sets of centre gripping subassemblies of first direction symmetry interval setting, each centre gripping subassembly all includes: a driving wheel; the driven wheel is arranged at intervals with the driving wheel along a second direction; the synchronous belts are sleeved on the driving wheel and the driven wheel, one sides of the two groups of clamping assemblies, which are close to each other, are near ends, and the other sides, which are far away from each other, are far ends; and the pressing component is arranged between the driving wheel and the driven wheel and elastically abutted against one side of the near end of the synchronous belt, which deviates from each other, so that a clamping gap is formed between the near ends of the synchronous belt, wherein the first direction is vertical to the second direction.

Optionally, the clamping mechanism includes a support, the driving wheel, the driven wheel and the pressing assemblies are disposed on the support, the number of the pressing assemblies is multiple, and the multiple pressing assemblies are disposed between the driving wheel and the driven wheel at intervals along the second direction.

Optionally, each set of the hold-down assemblies comprises: the synchronous wheel is abutted against the synchronous belt and can rotate relative to the synchronous belt; the two adjusting rods are telescopically connected to the bracket and are arranged at two opposite ends of the synchronizing wheel at intervals along the axial direction of the synchronizing wheel; and the pressure spring is connected between the adjusting rod and the synchronizing wheel and used for elastically connecting the synchronizing wheel with the adjusting rod.

Optionally, the synchronizing wheel includes a central shaft and an adjusting gear, and the adjusting gear is sleeved on the periphery of the central shaft and can rotate relative to the central shaft.

Optionally, the bracket includes two side plates, the two side plates are disposed at intervals on two opposite sides of the synchronizing wheel along an axial direction of the synchronizing wheel, a first guide groove is disposed at a position on each side plate corresponding to the central shaft, an extending direction of the first guide groove is parallel to the first direction, and the central shaft is slidably disposed in the first guide groove.

Optionally, the support includes the bounding wall, the bounding wall is connected between two curb plates, be equipped with the second guide way on two curb plates, the extending direction of second guide way with the second direction is parallel, the axis of rotation of following the driving wheel slide set up in the second guide way, fixture includes adjusting screw, adjusting screw rotate set up in on the bounding wall, just adjusting screw's end connection in the axis of rotation from the driving wheel.

Optionally, each of the clamping assemblies includes a main driving gear, the main driving gear is coaxially disposed with the driving wheel, and the main driving gears of the two sets of the clamping assemblies are engaged with each other.

Optionally, the pressing assembly comprises a main pressing assembly and an auxiliary pressing assembly, each clamping assembly comprises two sets of auxiliary pressing assemblies, and the two sets of auxiliary pressing assemblies are arranged on two pairs of two sides of the main pressing assembly.

Optionally, the clamping mechanism includes two guide blocks, and the two guide blocks are arranged outside the driving wheel and the driven wheel along the second direction and are located at the input end and the output end of the clamping gap.

In order to achieve the purpose, the invention provides the following technical scheme: a cable pulling device is provided, which comprises a driving mechanism and a clamping mechanism as described above, wherein the driving mechanism is in transmission connection with a driving wheel of the clamping mechanism.

Compared with the prior art, the invention has the following beneficial effects:

set up the subassembly that compresses tightly of elasticity butt hold-in range through the one side that deviates from each other at the near-end of hold-in range, can support and press the hold-in range to the direction removal that is close to the cable all the time to when guaranteeing that the diameter of cable changes, the hold-in range can contact and conveying cable all the time, in order to promote the stability of cable transmission.

Drawings

FIG. 1 is a schematic perspective view of a cable pulling apparatus according to an embodiment of the present invention;

FIG. 2 is a cross-sectional structural schematic view of the cable pulling apparatus of FIG. 1;

FIG. 3 is an enlarged schematic view of the clamping mechanism of FIG. 2;

FIG. 4 is a cross-sectional structural schematic view of the cable pulling apparatus of FIG. 1;

FIG. 5 is a schematic view, partly in section, of the drive mechanism of FIG. 1;

FIG. 6 is a schematic perspective view of a drive mechanism in an embodiment of the present application;

fig. 7 is a partial sectional structural schematic view of the drive mechanism in fig. 6.

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 to 3, fig. 1 is a schematic perspective view of a cable pulling device 100 according to an embodiment of the present invention, fig. 2 is a schematic cross-sectional view of the cable pulling device 100 in fig. 1, and fig. 3 is an enlarged schematic structural view of a clamping mechanism in fig. 2. The application provides a cable draw gear 100, cable draw gear 100 includes actuating mechanism 10, fixture 20 and drive mechanism 30, and drive mechanism 30 is connected between actuating mechanism 10 and fixture 20 for be connected actuating mechanism 10 with fixture 20 transmission. The clamping mechanism 20 comprises two groups of clamping assemblies symmetrically arranged at intervals along the first direction X, and each clamping assembly comprises a driving wheel 21, a driven wheel 22, a synchronous belt 23 and a pressing assembly 24. The driven wheel 22 is arranged at an interval with the driving wheel 21 along the second direction Y; the synchronous belts 23 are sleeved on the driving wheel 21 and the driven wheel 22, one sides of the synchronous belts 23 in the two groups of clamping assemblies, which are close to each other, are near ends, and one sides, which are far away from each other, are far ends; the pressing component 24 is arranged between the driving wheel 21 and the driven wheel 22 and elastically abuts against the sides, away from each other, of the proximal ends of the synchronous belts 23 so as to form a clamping gap between the proximal ends of the synchronous belts 23; the first direction X and the second direction Y are perpendicular to each other.

Specifically, the first direction X is a transmission direction of the cable, and the second direction Y is a direction perpendicular to the transmission direction of the cable. The direction of transmission of action wheel 21 and follow driving wheel 22 along the cable sets up, can be so that the cover locate action wheel 21 and follow the hold-in range 23 on the driving wheel 22 along the direction of transmission and the cable contact of cable, when hold-in range 23 rotated, can the centre gripping with the cable forward movement of its butt to realize the transmission of cable.

Since the distance between the proximal ends of the two timing belts 23 is constant, when the diameter of the cable changes, the contact between the timing belts 23 and the cable cannot be ensured, and thus, the transmission of the cable may be unstable.

Therefore, in this embodiment, one side that deviates from each other through the near-end at hold-in range 23 sets up the pressure component 24 of elasticity butt hold-in range 23, can support and press hold-in range 23 to the direction removal that is close to the cable all the time to when guaranteeing that the diameter of cable changes, hold-in range 23 can contact and conveying cable all the time, with the stability that promotes cable transmission.

Further, the clamping mechanism 20 may be provided to include a bracket 25, and the driving wheel 21, the driven wheel 22 and the pressing assembly 24 are disposed on the bracket 25, so as to support the driving wheel 21, the driven wheel 22 and the pressing assembly 24 by the bracket 25.

Wherein, there may be a plurality of sets of the pressing assemblies 24, and the plurality of sets of the pressing assemblies 24 are arranged between the driving wheel 21 and the driven wheel 22 at intervals along the second direction Y. Through setting up the multiunit and compressing tightly subassembly 24, can prolong the region that compresses tightly subassembly 24 to hold-in range 23 butt, and then promote hold-in range 23 to the area of cable contact to promote hold-in range 23's conveying effect and stability.

Alternatively, as shown in fig. 2 and 3, a plurality of sets of the pressing assemblies 24 may be provided, including a main pressing assembly 24a and a sub-pressing assembly 24b, each set of the clamping assemblies including two sets of the sub-pressing assemblies 24b, and the two sets of the sub-pressing assemblies 24b are provided on two pairs of both sides of the main pressing assembly 24 a.

Specifically, the pressing unit 24 applies an abutting force to the timing belt 23 mainly by the main pressing unit 24a, and therefore the main pressing unit 24a can be provided at the middle portion of the timing belt 23. And, can set up vice compressing assembly 24b between main compressing assembly 24a and action wheel 21 and between main compressing assembly 24a and the follow driving wheel 22 for carry out the butt transition to hold-in range 23, so that hold-in range 23's rotation is more steady.

Further, as shown in fig. 3 and 4, fig. 4 is a schematic cross-sectional structural view of the cable pulling device 100 in fig. 1. Each set of hold-down assemblies 24 includes a synchronizing wheel 241, two adjustment rods 242, and a pressure spring 243. The timing pulley 241 is in contact with the timing belt 23 and is rotatable relative to the timing belt 23; the two adjusting rods 242 are telescopically connected to the bracket 25, and the two adjusting rods 242 are arranged at opposite ends of the synchronizing wheel 241 at intervals along the axial direction of the synchronizing wheel 241; the pressure spring 243 is connected between the adjusting lever 242 and the synchronizing wheel 241 for elastically connecting the synchronizing wheel 241 with the adjusting lever 242.

Specifically, the timing wheel 241 is in contact with the timing belt 23, and when the timing belt 23 is in operation, the timing wheel 241 can rotate along the axis thereof, and not only can be in contact with the timing belt 23 to move in the direction approaching the cable, but also the frictional force between the timing wheel 241 and the timing belt 23 can be reduced, and the energy loss can be reduced.

The axial direction of the adjustment lever 242 may be parallel to the first direction X, and the axial direction of the pressure spring 243 may be parallel to the first direction X, and further, the timing belt 23 may be abutted in the first direction X. The end of the pressure spring 243 may be sleeved on the adjusting rod 242, or a hollow cavity may be provided inside the adjusting rod 242, and then the end of the pressure spring 243 is inserted into the cavity to connect the adjusting rod 242 and the pressure spring 243.

Further, the adjusting rod 242 may be fixedly disposed on the bracket 25 via a pressing screw 244, or the adjusting rod 242 may be detachably connected to the bracket 25, so as to facilitate the installation and removal of the pressing assembly 24 and the maintenance or replacement of the clamping mechanism 20.

Further, as shown in fig. 3 and 4, the synchronizing wheel 241 includes a central shaft 2411 and an adjusting gear 2412, and the adjusting gear 2412 is sleeved on the periphery of the central shaft 2411 and can rotate relative to the central shaft 2411. Thus, when the timing belt 23 moves, the adjusting gear 2412 can be driven to rotate, and the central shaft 2411 remains stationary, so that not only can the synchronizing gear 241 be conveniently connected with the pressure spring 243, but also the adjusting gear 2412 can be conveniently rotated. Further, by bringing the adjustment gear 2412 into contact with the timing belt 23, the contact area between the timing belt 23 and the adjustment gear 2412 can be further reduced, and the magnitude of the frictional force can be reduced.

Further, as shown in fig. 1 and 4, the bracket 25 includes two side plates 251, the two side plates 251 are disposed at intervals on opposite sides of the synchronizing wheel 241 along the axial direction of the synchronizing wheel 241, a first guide groove 252 is disposed on each side plate 251 at a position corresponding to the central shaft 2411, the extending direction of the first guide groove 252 is parallel to the first direction X, and the central shaft 2411 is slidably disposed in the first guide groove 252. As described above, when the pressure spring 243 moves the center shaft 2411, the center shaft 2411 can move only in the first guide groove 252, that is, only in the first direction X, and can be used to guide the center shaft 2411 to more accurately move the synchronizing wheel 241 and to prevent the center shaft 2411 from sliding with respect to the timing belt 23.

As shown in fig. 1 and 3, the bracket 25 may further include a shroud 253, and the shroud 253 is connected between the two side plates 251, and may be located at the top and both sides of the two side plates 251. The two side plates 251 are provided with second guide grooves 254, the extending direction of the second guide grooves 254 is parallel to the second direction Y, and the rotating shaft of the driven wheel 22 is slidably arranged in the second guide grooves 254, so that the driven wheel 22 can be slidably arranged on the bracket 25, and the distance between the driving wheel 21 and the driven wheel 22 can be conveniently adjusted.

Further, it may be provided that the clamping mechanism 20 includes an adjustment screw 26, the adjustment screw 26 is screwed with the shroud 253, and an end of the adjustment screw 26 is connected to a rotation shaft of the driven pulley 22. When the position of the driven wheel 22 on the side plate 251 needs to be adjusted, the adjusting screw 26 can be rotated to change the protruding length of the adjusting screw 26 relative to the shroud 253, so as to drive the driven wheel 22 to move relative to the side plate 251.

Further, as shown in fig. 2 and 3, each of the clamping assemblies includes a main driving gear 27, the main driving gear 27 is disposed coaxially with the driving wheel 21, and the main driving gears 27 of the two sets of clamping assemblies are engaged with each other.

Specifically, the diameter of the main drive gear 27 is larger than the diameter of the drive pulley 21 so that the two main drive gears 27 mesh with each other while the two drive pulleys 21 are disposed at intervals. Through intermeshing the main drive gear 27 in two sets of centre gripping subassemblies, actuating mechanism 10 only need drive a main drive gear 27 and rotate, can drive the action wheel 21 work of two sets of centre gripping subassemblies simultaneously, and then reduce actuating mechanism 10's structural complexity.

Alternatively, as shown in fig. 1 and 2, the clamping mechanism 20 may be provided to include two guide blocks 28, and the two guide blocks 28 are disposed outside the driving pulley 21 and the driven pulley 22 in the second direction Y and at the input end and the output end of the clamping gap.

Specifically, two guide blocks 28 set up along the transmission direction of cable, before the cable got into the centre gripping clearance and shifted out the centre gripping clearance after, guide block 28 can lead the cable to can carry on spacingly to the both ends of cable, avoid the cable to shift to other positions department when transmitting between hold-in range 23.

Alternatively, a guide hole 282 may be provided in the center of each guide block 28, and the guide hole 282 may be gradually reduced in size in the direction approaching the hold-down assembly 24 in the second direction Y. Not only is the cable convenient to enter and exit the guide hole 282, but also the limiting effect of the guide hole 282 on the cable can be improved.

Further, as shown in fig. 3 and 4, the clamping mechanism 20 includes a partition 29, the partition 29 is disposed in the clamping gap, and the two sets of clamping assemblies are symmetrically disposed about the partition 29, and the partition 29 extends a length less than the length of the clamping gap in a third direction Z, wherein the third direction Z is perpendicular to the first direction X and the second direction Y.

Specifically, the length of the partition 29 extending in the axial direction of the central shaft 2411 is smaller than the length of the clamping gap, and by providing the partition 29 on the symmetric plane of the two sets of clamping assemblies, the clamping gap can be partitioned by the partition 29, so that the cable is always located at the center of the two sets of clamping assemblies.

Further, as shown in fig. 5, fig. 5 is a partial sectional structural schematic view of the driving mechanism 10 in fig. 1. The driving mechanism 10 includes a motor base 11, and a servo motor 12, a speed reducer 13, and a magnetic coupling 14 that are disposed in the motor base 11, an output shaft of the servo motor 12 is connected to the speed reducer 13, and an output shaft of the speed reducer 13 is connected to the magnetic coupling 14.

Further, as shown in fig. 1, 6 and 7, fig. 6 is a schematic perspective view of the driving mechanism 10 in an embodiment of the present application, and fig. 7 is a schematic partial sectional view of the driving mechanism 10 in fig. 6. The transmission mechanism 30 comprises a base 31, a first transmission gear 32, two engaged

bevel gears

33, 34 and a second transmission gear 35, wherein one bevel gear 33 is rotatably arranged on the base 31 and connected with the magnetic coupling 14 of the driving mechanism 20, the other bevel gear 34 is engaged with one bevel gear 33, and the axes of the two

bevel gears

33, 34 are perpendicular to each other. The first transmission gear 32 is disposed coaxially with one of the bevel gears 34, and the second transmission gear 35 is engaged with the first transmission gear 32.

The axes of the servo motor 12 and the first transmission gear 32 can be arranged in two mutually perpendicular directions by providing two mutually

perpendicular bevel gears

33, 34, so that the cable traction device 100 is compact and small.

Further, the second transmission gear 35 may be meshed with one of the main drive gears 27 to simultaneously rotate the two main drive gears 27 meshed with each other through the second transmission gear 35.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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. A clamping mechanism (20), wherein said clamping mechanism (20) comprises two sets of clamping assemblies symmetrically spaced along a first direction (X), each of said clamping assemblies comprising:

a driving wheel (21);

a driven wheel (22) arranged at an interval with the driving wheel (21) along a second direction (Y);

the synchronous belts (23) are sleeved on the driving wheel (21) and the driven wheel (22), one sides, close to each other, of the synchronous belts (23) in the two groups of clamping assemblies are near ends, and one sides, far away from each other, of the synchronous belts are far ends; and

compress tightly subassembly (24), set up in action wheel (21) with between driven wheel (22) to elasticity butt in the one side that deviates from each other of the near-end of hold-in range (23) with form the centre gripping clearance between the near-end of hold-in range (23), wherein, first direction (X) with second direction (Y) mutually perpendicular.

2. The clamping mechanism (20) according to claim 1, wherein the clamping mechanism (20) comprises a support (25), the driving wheel (21), the driven wheel (22) and the pressing assemblies (24) are arranged on the support (25), a plurality of groups of the pressing assemblies (24) are arranged on the support, and the plurality of groups of the pressing assemblies (24) are arranged between the driving wheel (21) and the driven wheel (22) at intervals along the second direction (Y).

3. The clamping mechanism (20) of claim 2, wherein each set of said hold down assemblies (24) comprises:

a synchronizing wheel (241), wherein the synchronizing wheel (241) is abutted against the synchronous belt (23) and can rotate relative to the synchronous belt (23);

the two adjusting rods (242) are telescopically connected to the bracket (25), and the two adjusting rods (242) are arranged at two opposite ends of the synchronizing wheel (241) at intervals along the axial direction of the synchronizing wheel (241); and

and the pressure spring (243) is connected between the adjusting rod (242) and the synchronous wheel (241) and is used for elastically connecting the synchronous wheel (241) with the adjusting rod (242).

4. The clamping mechanism (20) according to claim 3, wherein the synchronizing wheel (241) includes a central shaft (2411) and an adjusting gear (2412), and the adjusting gear (2412) is sleeved on the periphery of the central shaft (2411) and can rotate relative to the central shaft (2411).

5. The clamping mechanism (20) according to claim 4, wherein the bracket (25) comprises two side plates (251), the two side plates (251) are arranged on two opposite sides of the synchronizing wheel (241) at intervals along the axial direction of the synchronizing wheel (241), each side plate (251) is provided with a first guide groove (252) at a position corresponding to the central shaft (2411), the extending direction of the first guide groove (252) is parallel to the first direction (X), and the central shaft (2411) is slidably arranged in the first guide groove (252).

6. The clamping mechanism (20) according to claim 5, wherein the bracket (25) comprises a surrounding plate (253), the surrounding plate (253) is connected between the two side plates (251), the two side plates (251) are provided with second guide grooves (254), the extending direction of the second guide grooves (254) is parallel to the second direction (Y), the rotating shaft of the driven wheel (22) is slidably arranged in the second guide grooves (254), the clamping mechanism (20) comprises an adjusting screw rod (26), the adjusting screw rod (26) is rotatably arranged on the surrounding plate (253), and the end part of the adjusting screw rod (26) is connected to the rotating shaft of the driven wheel (22).

7. The clamping mechanism (20) of claim 1 wherein each of said clamping assemblies includes a main drive gear (27), said main drive gear (27) being disposed coaxially with said drive wheel (21), said main drive gears (27) of both sets of said clamping assemblies being intermeshed.

8. The clamping mechanism (20) of claim 2 wherein said hold down assemblies (24) comprise a main hold down assembly (24a) and a secondary hold down assembly (24b), each set of said clamping assemblies comprising two sets of said secondary hold down assemblies (24b), two sets of said secondary hold down assemblies (24b) being disposed on two pairs of sides of said main hold down assembly (24 a).

9. Gripper mechanism (20) according to claim 1, characterized in that the gripper mechanism (20) comprises two guide blocks (28), the two guide blocks (28) being arranged outside the driving wheel (21) and the driven wheel (22) in the second direction (Y) and at the input and output of the gripping gap.

10. A cable pulling device (100), characterized in that the cable pulling device (100) comprises a drive mechanism (10) and a clamping mechanism (20) according to any one of claims 1-9, the drive mechanism (10) being in driving connection with a driving wheel (21) of the clamping mechanism (20).