CN220349914U - Release driving mechanism, underwater releaser and underwater equipment recovery system - Google Patents

Abstract

The utility model discloses a release driving mechanism, an underwater releaser and an underwater equipment recovery system, and relates to the technical field of underwater equipment, wherein the release driving mechanism is applied to a watertight cabin, and a hook is arranged at the lower end of the watertight cabin; the release driving mechanism includes: the device comprises a driving unit, a guide shaft sleeve and a piston rod, wherein the driving unit is connected with the guide shaft sleeve, and the guide shaft sleeve is sleeved on the outer side of the piston rod; the driving unit is used for driving the guide shaft sleeve to rotate so as to drive the piston rod to move between a preset first position and a preset second position; when the piston rod moves to the first position, the piston rod is connected with the hook; and when the piston rod moves to the second position, the piston rod is separated from the hook. Therefore, by changing the release driving mechanism, the problem that the height of the whole underwater releaser is too high due to the fact that the height of the release driving mechanism is too high in the prior art is solved.

Description

Release driving mechanism, underwater releaser and underwater equipment recovery system

Technical Field

The utility model relates to the technical field of underwater equipment, in particular to a release driving mechanism, an underwater releaser and an underwater equipment recovery system.

Background

With the development of marine hydrologic monitoring and submarine observation network technology, an underwater releaser is increasingly important as a common auxiliary device for underwater equipment recovery in a marine observation system. The main function of the release driving mechanism in the underwater releaser is to unlock the hook of the lower mounted balancing weight, so that the underwater releaser is separated from the balancing weight, and the cabin body floats to the water surface by virtue of the buoyancy cabin above, thereby achieving the purpose of recovering the test equipment in the buoyancy cabin.

The release driving mechanism of the underwater release in the prior art includes: driving motor, lead screw and lead screw nut. Due to the transmission structure design of the release driving mechanism in the prior art, the height of the whole release driving mechanism is too high, and then the space of the sealed cabin needs to be accommodated in a large space, so that the height of the whole underwater releaser is too high.

Disclosure of Invention

The utility model provides a release driving mechanism, an underwater releaser and an underwater equipment recovery system, which are used for solving the problem that the height of the whole underwater releaser is too high due to the too high structural design of the release driving mechanism in the prior art.

In a first aspect, the utility model provides a release driving mechanism, which is applied to a watertight compartment, wherein a hook is arranged at the lower end of the watertight compartment; the release driving mechanism includes: the device comprises a driving unit, a guide shaft sleeve and a piston rod, wherein the driving unit is connected with the guide shaft sleeve, and the guide shaft sleeve is sleeved on the outer side of the piston rod; the driving unit is used for driving the guide shaft sleeve to rotate so as to drive the piston rod to move between a preset first position and a preset second position; when the piston rod moves to the first position, the piston rod is connected with the hook; when the piston rod moves to the second position, the piston rod is separated from the hook; the driving unit includes: the driving motor is provided with a motor shaft, the upper end face of the guide shaft sleeve is provided with a coupling hole, and the motor shaft is connected with the coupling hole.

Optionally, the release driving mechanism further comprises a supporting plate and a supporting screw, a lower end cover is arranged at the lower end of the watertight compartment, the driving motor is connected with the supporting plate, and the supporting plate is connected with the lower end cover through the supporting screw.

Optionally, the release driving mechanism further comprises an upper thrust needle bearing, the upper thrust needle bearing is sleeved on the outer side of the coupling hole, one side of the upper thrust needle bearing is connected with the upper end face of the guide shaft sleeve, and the other side of the upper thrust needle bearing is in contact with the supporting plate.

Optionally, the release driving mechanism further comprises a clamping ring and a lower thrust needle bearing, one side of the clamping ring is connected with the lower side of the guide shaft sleeve, the other side of the clamping ring is connected with the lower thrust needle bearing, and the lower thrust needle bearing is embedded in the lower end cover; the guide shaft sleeve rotates to drive the clamping ring to rotate, and the clamping ring drives the lower thrust needle bearing to rotate.

Optionally, the release driving mechanism further comprises a rotary guide rod connected with the piston rod; the guide shaft sleeve is provided with a track groove which spirally surrounds the side surface of the guide shaft sleeve; the rotary guide rod is embedded in the track groove and can slide in the track groove.

In a second aspect, the present utility model provides an underwater release comprising a release driving mechanism as described above.

Optionally, the underwater releaser further comprises a protection ring and a transducer, wherein the transducer is installed in the protection ring, and the protection ring is fixedly connected with one end of the watertight compartment.

Optionally, the underwater releaser further comprises: the body is equipped with watertight socket on the body, watertight socket is used for external communication cable.

Optionally, the lower wall of body still is equipped with two grip blocks that are parallel to each other, the couple is installed between two grip blocks, and the couple is kept away from the one end in watertight cabin and is connected with two grip blocks rotation through the round pin axle.

In a third aspect, the utility model provides an underwater equipment recovery system comprising an underwater releaser as described above.

Compared with the prior art, the technical scheme provided by the embodiment of the utility model has the following advantages:

in the embodiment of the utility model, the total length of the guide sleeve and the piston rod in the release driving mechanism is shorter than the total length of the screw rod, the screw rod nut and the piston rod in the release driving mechanism in the prior art, and when the piston rod is retracted into the watertight compartment, the piston rod is sleeved in the guide sleeve by the guide sleeve, so that the piston rod is retracted into the guide sleeve, the space inside the guide sleeve is fully utilized, and when the piston rod is retracted into the watertight compartment, the height of the release driving mechanism is lower than that of the release driving mechanism when the piston rod is retracted into the watertight compartment in the prior art, the height of the release driving mechanism is reduced by about 75mm from the original 125mm, and the watertight compartment space is saved due to the reduction of the height of the release driving mechanism, so that the overall height of the underwater releaser is reduced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is an exploded view of an underwater releaser according to an embodiment of the present utility model;

FIG. 2 is a schematic view of an underwater releaser according to an embodiment of the present utility model;

FIG. 3 is a bottom view of an underwater release according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a hook in cooperation with a piston rod and a pin according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of an underwater equipment recovery system according to an embodiment of the present utility model.

Reference numerals

1. An underwater releaser; 2. balancing weight; 3. a buoyancy chamber; 4. a communication cable; 5. a hook; 6. a piston rod; 7. a driving unit; 8. a clamping plate; 9. a pin shaft; 10. a limit screw; 11. a support plate; 12. an upper thrust needle bearing; 13. a lower thrust needle bearing; 14. a guide sleeve; 15. a support screw; 16. a watertight compartment; 17. a watertight socket; 18. rotating the guide rod; 19. a clasp; 20. a guard ring; 21. lifting lugs; 22. a transducer; 23. a screw; 24. a depth sensor; 25. a lower end cap; 26. a shaft connecting hole; 27. and a protective rod.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 5, a first aspect of the present utility model provides a release driving mechanism, which is applied to a watertight compartment 16, wherein a hook 5 is arranged at the lower end of the watertight compartment 16; the release driving mechanism includes: the device comprises a driving unit 7, a guide shaft sleeve 14 and a piston rod 6, wherein the driving unit 7 is connected with the guide shaft sleeve 14, and the guide shaft sleeve 14 is sleeved on the outer side of the piston rod 6; wherein the driving unit 7 is used for driving the guide shaft sleeve 14 to rotate so as to drive the piston rod 6 to move between a preset first position and a preset second position; when the piston rod 6 moves to the first position, the piston rod 6 is connected with the hook 5; when the piston rod 6 moves to the second position, the piston rod 6 is disengaged from the hook 5. Because the total length of the guide sleeve 14 and the piston rod 6 in the release driving mechanism is shorter than the total length of the screw rod, the screw rod nut and the piston rod in the release driving mechanism in the prior art, and the piston rod 6 is sleeved in the guide sleeve 14 when the piston rod 6 is retracted into the watertight compartment 16, the piston rod 6 is retracted into the guide sleeve 14, the space inside the guide sleeve 14 is fully utilized, when the piston rod 6 is retracted into the watertight compartment 16, the length of the release driving mechanism is lower than the height of the release driving mechanism when the piston rod is retracted into the watertight compartment in the prior art, the height of the release driving mechanism is reduced by about 75mm from the original 125mm, the space of the watertight compartment 16 is saved when the height of the release driving mechanism is reduced, and the height of the underwater releaser 1 is reduced.

Further, the driving unit 7 includes: the driving motor is provided with a motor shaft, the upper end surface of the guide shaft sleeve 14 is provided with a coupling hole 26, and the motor shaft is connected with the coupling hole 26. The driving motor drives the coupling hole to rotate through the motor shaft, so that the guide shaft sleeve is driven to rotate.

Further, the release driving mechanism further comprises a rotary guide rod 18, the rotary guide rod 18 being connected with the piston rod 6; the guide shaft sleeve 14 is provided with a track groove which spirally surrounds the side surface of the guide shaft sleeve 14; the rotary guide bar 18 is embedded in the rail groove and can slide in the rail groove. Since the track groove has a certain gradient, and the track groove is provided with a lowest point and a highest point, the lowest point is a preset first position, and the highest point is a preset second position, the rotary guide rod 18 can move between the lowest point and the highest point of the track groove.

Further, the release driving mechanism further comprises a supporting plate 11 and a supporting screw 15, a lower end cover 25 is arranged at the lower end of the watertight compartment 16, the driving motor is connected with the supporting plate 11, and the supporting plate 11 is connected with the lower end cover 25 through the supporting screw 15. Therefore, the support plate 11, the support screw 15 and the lower end cover 25 are connected to fix the driving motor and compress the guide sleeve 14.

Further, the release driving mechanism further comprises an upper thrust needle bearing 12, the upper thrust needle bearing 12 is sleeved on the outer side of the coupling hole 26, one side of the upper thrust needle bearing 12 is connected with the upper end face of the guide shaft sleeve 14, and the other side of the upper thrust needle bearing 12 is in contact with the supporting plate 11. Therefore, the upper end surface of the guide bush 14 is prevented from directly contacting the support plate 11, and the guide bush 14 is prevented from being worn.

Further, the release driving mechanism further comprises a clamping ring 19 and a lower thrust needle bearing 13, one side of the clamping ring 19 is connected with the lower side of the guide shaft sleeve 14, the other side of the clamping ring 19 is connected with the lower thrust needle bearing 13, and the lower thrust needle bearing 13 is embedded in the lower end cover 25; the guide shaft sleeve 14 rotates to drive the clamping ring 19 to rotate, and the clamping ring 19 drives the lower thrust needle bearing 13 to rotate. Therefore, the direct contact with the support plate 11 under the guide bush 14 is avoided, and the guide bush 14 is prevented from being worn.

As shown in fig. 1-5, the second aspect of the present utility model also provides a subsea release 1, said subsea release 1 comprising a release driving mechanism as described above. As a result of the change in the release drive mechanism, the height of the release drive mechanism becomes low so that the overall height of the underwater releaser 1 becomes low.

Further, the underwater releaser 1 further comprises a screw 23, and the lower end cover 25 is connected with the watertight compartment 16 through the screw 23.

Further, the underwater releaser 1 further comprises a protection ring 20 and a transducer 22, wherein the transducer 22 is installed in the protection ring 20, and the protection ring 20 is fixedly connected with one end of the watertight compartment 16.

As shown in fig. 1-4, the subsea release 1 further comprises: the body is provided with a watertight socket 17; the watertight socket 17 is used for externally connecting the communication cable 4 so as to electrically connect the body with the buoyancy chamber 3; under the premise of keeping the original wireless mode of receiving external underwater sound signals for control, the scheme adds a mode of receiving the external signals by the cable for control, namely: the buoyancy cabin 3 is electrically connected with the external communication cable 4; in conclusion, when the underwater acoustic signal transmission is difficult, the signal transmission can be ensured in a wired mode, so that the hook 5 is unlocked in time, the underwater releaser 1 and the balancing weight 2 are normally separated, and the recovery of the underwater equipment is smoothly completed.

Because the underwater releaser 1 is limited by the volume of the self-charging battery, after being electrically connected with the buoyancy cabin 3 through the communication cable 4, if the current residual electric quantity of the underwater releaser 1 is detected to be lower than the preset residual electric quantity threshold value, the buoyancy cabin 3 can communicate through the communication cable 4 or assist in supplying power to the underwater releaser 1, so that the hook 5 can be unlocked in time according to the instruction. In the initial state, the top end of the hook 5 is connected with the piston rod 6, and the bottom end is rotationally connected with the clamping plate 8 through the pin shaft 9; if the driving motor receives a release signal, the driving motor rotates positively according to the release signal, so that the guide shaft sleeve 14 rotates, at the moment, the piston rod 6 and the rotary guide rod 18 perform inward shrinkage motion along a guide groove in the guide shaft sleeve 14, meanwhile, due to the fact that the track groove has a certain gradient, the pressure difference inside and outside the watertight compartment 16 increases along with the increase of the water depth, the inward shrinkage process of the power-assisted piston rod 6 is realized, the separation of the piston rod 6 and the top end of the hook 5 is realized, at the moment, the bottom end of the hook 5 is only rotationally connected with the clamping plate 8 through the pin shaft 9, and under the action of the tension of the balancing weight 2, the hook 5 rotates to unhook along the pin shaft 9, so that the separation of the underwater releaser 1 and the balancing weight 2 is completed, and the recovery of underwater equipment is ensured.

In order to further increase the strength of the underwater releaser 1, the shell material of the body is made of precipitation hardening stainless steel; in particular, compared with the 316L stainless steel and the duplex stainless steel commonly used in the prior art, the precipitation hardening stainless steel adopted in the embodiment has higher material strength, so that the weight of the used materials is smaller and lighter on the basis of ensuring the performance of mounting load, deep sea compressive strength and the like.

As shown in fig. 2, the body includes: the device comprises a lifting lug 21 and a watertight cabin 16, wherein one end of the watertight cabin 16 is fixedly connected with the lifting lug 21, and a transducer 22 is arranged in a guard ring 20; preferably, the transducer 22 is adopted, specifically, the transducer 22 is mainly in communication interaction with the water surface shipboard deck unit through sound waves; as shown in fig. 1 and 5, if the underwater releaser 1 receives the underwater sound release signal sent by the on-board deck unit of the water surface through the transducer 22, the underwater sound release signal is effectively identified, and the hook 5 is unlocked according to the underwater sound release signal; if the underwater releaser 1 does not receive the underwater sound release signal sent by the water surface shipboard deck unit or does not effectively identify the underwater sound release signal, at this time, the steps of receiving and identifying the signals of the buoyancy chamber 3 are executed: the buoyancy cabin 3 receives the underwater sound release signal sent by the water surface shipboard deck unit, if the underwater sound release signal is received, the underwater sound release signal is effectively identified, and the identified signal is sent to the underwater releaser 1 through the communication cable 4, at the moment, the underwater releaser 1 performs the unlocking action of the hook 5 according to the received signal, and the design of the utility model can automatically switch to a wired mode to receive the release signal when the release signal cannot be successfully received in an underwater sound mode, so that the hook 5 can be unlocked in time, the underwater releaser 1 and the balancing weight 2 are ensured to be separated normally, and the recovery of underwater equipment is ensured.

It should be understood that the release driving mechanism is only used as an example and not limiting the utility model, and that other structures of the release driving mechanism are adopted by those skilled in the art based on the teaching of the present utility model, and are within the scope of protection of the present utility model; the release driving mechanism may also adopt an electric push rod or a driving air cylinder, and the piston rod 6 is driven to retract to the watertight compartment 16 under the action of the electric push rod or the driving air cylinder so as to be separated from the hook 5.

As shown in fig. 2, the upper end of the watertight compartment 16 is further provided with an upper end cover, and the protection rod 27 extends out through the upper end cover to support the protection ring 20 and the lifting lugs 21; the guard ring 20, the lifting lug 21 and the plurality of guard bars 27 are fixedly connected.

As shown in fig. 3, the lower wall surface of the body is also provided with a depth sensor 24 for measuring the working water depth, and other types of underwater sensors can be also provided.

As shown in fig. 3, the hook 5, the clamping plate 8 and the depth sensor 24 are all arranged on the lower end cover 25, the piston rod 6 is driven to move in the direction of inserting into the lower end cover 25 under the action of the release driving mechanism so as to be connected with the top end of the hook 5, and when the hook 5 needs to be unlocked, the piston rod 6 is driven to move in the direction of retracting into the watertight compartment 16 through the lower end cover 25 under the action of the release driving mechanism until the piston rod is separated from the top end of the hook 5.

As shown in fig. 3 and 4, the lower wall surface of the body is further provided with two clamping plates 8 parallel to each other, the hook 5 is installed between the two clamping plates 8, and one end of the hook 5 away from the watertight compartment 16 is rotatably connected with the two clamping plates 8 through a pin shaft 9.

As shown in fig. 5, a third aspect of the present utility model also provides an underwater equipment recovery system including the underwater release 1 described in any of the above. The underwater equipment recovery system further includes: the buoyancy cabin 3, balancing weight 2, the underwater releaser 1 sets up between buoyancy cabin 3 and balancing weight 2, and the underwater releaser 1 passes through communication cable 4 and buoyancy cabin 3 electric connection. As shown in fig. 2 and 5, when the underwater equipment recovery system works, the buoyancy cabin 3 and the underwater releaser 1 float in water under the tension of the balancing weight 2 to work, if the underwater releaser 1 receives a water sound release signal sent by a water surface shipboard deck unit through the transducer 22, the water sound release signal is effectively identified, and the hook 5 is unlocked according to the water sound release signal; if the underwater releaser 1 does not receive the underwater sound release signal sent by the water surface shipboard deck unit or does not effectively identify the underwater sound release signal, at this time, the steps of receiving and identifying the signals of the buoyancy chamber 3 are executed: the buoyancy cabin 3 receives the underwater sound release signal sent by the water surface shipboard deck unit, if the underwater sound release signal is received, the underwater sound release signal is effectively identified, the identified signal is sent to the underwater releaser 1 through the communication cable 4, and at the moment, the underwater releaser 1 performs the unlocking action of the hook 5 according to the received signal; after the underwater releaser 1 finishes the task, the task completion instruction can be actively reported through the communication cable 4 or the underwater acoustic signal, other authorized control equipment is waited for issuing a release signal, and the unlocking action of the hook 5 is carried out according to the release signal. After the hook 5 is unlocked, the buoyancy cabin 3 and the underwater releaser 1 float on the water surface under the buoyancy action, and the buoyancy cabin 3 can be conveniently recovered. The design of the utility model can automatically switch to a wired mode to receive the release signal when the release signal cannot be successfully received in an underwater sound mode, thereby ensuring that the hook 5 can be unlocked in time, further ensuring that the underwater releaser 1 and the balancing weight 2 are separated normally, and ensuring recovery of underwater equipment.

In this specification, each embodiment is described in a progressive manner, and a plurality of embodiments are mainly described and are different from other embodiments, so that identical and similar parts between the embodiments are all mutually referred.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the communication may be direct or indirect through an intermediate medium, or may be internal to two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features of the utility model herein.

Claims (10)

1. The release driving mechanism is characterized in that the release driving mechanism is applied to a watertight cabin, and a hook is arranged at the lower end of the watertight cabin; the release driving mechanism includes: the device comprises a driving unit, a guide shaft sleeve and a piston rod, wherein the driving unit is connected with the guide shaft sleeve, and the guide shaft sleeve is sleeved on the outer side of the piston rod; the driving unit is used for driving the guide shaft sleeve to rotate so as to drive the piston rod to move between a preset first position and a preset second position; when the piston rod moves to the first position, the piston rod is connected with the hook; when the piston rod moves to the second position, the piston rod is separated from the hook; the driving unit includes: the driving motor is provided with a motor shaft, the upper end face of the guide shaft sleeve is provided with a coupling hole, and the motor shaft is connected with the coupling hole.

2. The release driving mechanism according to claim 1, further comprising a support plate and a support screw, wherein a lower end of the watertight compartment is provided with a lower end cover, the driving motor is connected to the support plate, and the support plate is connected to the lower end cover through the support screw.

3. The release drive mechanism according to claim 2, further comprising an upper thrust needle bearing, wherein the upper thrust needle bearing is sleeved outside the coupling hole, one side of the upper thrust needle bearing is connected with an upper end surface of the guide sleeve, and the other side of the upper thrust needle bearing is in contact with the support plate.

4. The release drive mechanism of claim 2, further comprising a snap ring and a lower thrust needle bearing, one side of the snap ring being connected to the underside of the guide sleeve, the other side of the snap ring being connected to the lower thrust needle bearing, the lower thrust needle bearing being embedded within the lower end cap; the guide shaft sleeve rotates to drive the clamping ring to rotate, and the clamping ring drives the lower thrust needle bearing to rotate.

5. The release drive mechanism of claim 1, further comprising a rotary guide rod connected to the piston rod; the guide shaft sleeve is provided with a track groove which spirally surrounds the side surface of the guide shaft sleeve; the rotary guide rod is embedded in the track groove and can slide in the track groove.

6. An underwater release characterised in that it comprises a release drive mechanism as claimed in any one of claims 1 to 5.

7. The subsea release of claim 6, further comprising a guard ring and a transducer mounted within the guard ring, the guard ring being fixedly connected to one end of the watertight compartment.

8. The subsea release of claim 7, characterized in that the subsea release further comprises: the waterproof socket is used for externally connecting a communication cable.

9. The underwater releaser according to claim 8, characterized in that the lower wall surface of the body is further provided with two clamping plates parallel to each other, the hook is mounted between the two clamping plates, and one end of the hook away from the watertight compartment is rotatably connected with the two clamping plates through a pin shaft.

10. An underwater equipment recovery system comprising a buoyancy module, an underwater releaser according to any of claims 6-9 connected to said buoyancy module by a communications cable, and a counterweight suspended from said underwater releaser.