A spring power connecting rod parabolic shearing device

Through the deep-sea parabolic shear device of the spring power link, the cooperation of the power spring and electromagnetic pins is used to achieve rapid shearing and weight increase, solving the demand for underwater autonomous robots in deep-sea operations, and improving the stability and sealing performance of the system.

CN116968096BActive Publication Date: 2025-08-19SHENYANG AEROSPACE XINGUANG GRP
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Patent Information

Application Number
CN202310873606.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-07-17
Publication Date
2025-08-19
Estimated Expiration
2043-07-17

AI Technical Summary

Technical Problem

When existing underwater autonomous robots operate in deep sea, it is difficult to quickly shear and increase the weight without increasing the displacement, and lack small and simple-structured shearing devices.

Method used

The deep-sea parabolic shear device of spring power connecting rod is adopted, including a spring power assembly, a link force amplification assembly and a waterproof sealing assembly. The power spring and electromagnetic pin are used to achieve rapid shearing, and the shear force is amplified through the four-bar three-stage force amplification mechanism, combining the waterproof sealing assembly to improve the stability and sealing performance of the device.

Benefits of technology

It realizes fast response and large shear force output, simple structure and small size, improves the stability and reliability of the system, and reduces complexity and sealing performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a spring-powered connecting rod deep-sea parabolic shearing device, which mainly includes a spring power assembly, a connecting rod force amplification assembly, and a waterproof sealing assembly. The spring power assembly includes an electromagnetic pin, a spring power system, etc. The force amplification assembly includes a cutter head, a buffer device, a connecting rod force amplification system, etc. The waterproof assembly includes a waterproof flange, a waterproof gasket, a locking nut, etc. The power device housing of the spring power assembly is connected to the connecting rod amplification assembly support plate through a waterproof bolt, and the waterproof flange of the waterproof assembly is connected to the connecting rod force amplification assembly support plate through a waterproof bolt. The compression spring in the spring power system pushes the moving slider to move the connecting rod force amplification system to achieve the movement of the cutter head at a certain angle to cut the data cable. By increasing the connecting rod force amplification assembly, the elastic coefficient requirement for the compression spring is reduced, thereby improving the stability and reliability of the overall structure.
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Description

Technical Field

[0001] The invention relates to the field of underwater autonomous robots, and in particular to a spring power connecting rod deep-sea parabolic shearing device. Background Art

[0002] Underwater autonomous robots are now widely used in civilian fields such as geographic surveying and marine resource exploration, and they play a vital role in underwater target monitoring and mine countermeasures. Currently, autonomous underwater robots are continuously being optimized and improved, evolving towards lightweighting. Compressing their displacement, achieving smaller size, lighter weight, lower power consumption, and lower cost are the current research goals. However, for deep-sea operations, without increasing the displacement of the autonomous underwater robot, this can only be achieved by adding counterweights. With the increasing number of application scenarios and the continuous increase in diving depths, a small, simple, low-power shearing device that can quickly shear the added counterweights is urgently needed. Summary of the Invention

[0003] The technical problem solved by the present invention is to provide a parabolic shearing device with the characteristics of rapid response, large shear force output, simple structure and small size, so as to solve the problem of underwater autonomous robots floating up.

[0004] The technical solution adopted by the present invention is a spring-powered connecting rod deep-sea parabolic shearing device, including a spring power component, a connecting rod force amplification component, and a waterproof sealing component. The spring power component includes a spring power component housing, an electromagnetic latch, an electromagnetic latch seat, a tightening bolt, a power spring, a movable slider, and a guide sleeve; the spring power component is connected to the connecting rod force amplification component through the spring power component housing, and the waterproof sealing component is connected to the connecting rod force amplification component. The power spring is placed inside the spring power component housing, and the compression direction is coaxial with the inner hole. The tightening bolt is threadedly connected to the spring power component housing. The movable slider is located inside the spring power component housing and contacts the power spring. The electromagnetic latch is clamped in the movable slider groove through the upper part of the spring power component housing and the guide sleeve.

[0005] Preferably, the electromagnetic latch is clamped in the movable slider groove through the upper part of the spring power component housing and the guide sleeve, and the electromagnetic latch is axially limited by the guide sleeve.

[0006] Preferably, the connecting rod force amplification component includes a support seat, a support seat cover, a movable lever 1, a movable elbow rod, a buffer device, a fixed pin, a static support rod, a movable lever 2, a cutter head connector, a cutter head, and a connecting block; the movable lever 1 is connected to the movable elbow rod through a connecting block, and the movable elbow rod is connected to the movable lever 2 through a connecting block, and the fixed pin fixes the static support rod to the movable lever 1 and the movable lever 2 to the support seat through pin holes, and the cutter head is connected to the threaded hole in the middle of the movable lever 2 through the cutter head connector, and the buffer device is installed on the moving center line of the moving slider of the spring power component, downward relative to the movable lever 1.

[0007] Preferably, the connecting rod force amplification assembly is a four-rod three-stage force amplification mechanism, which can amplify the force by 22 times.

[0008] Preferably, the movable elbow rod in the connecting rod force amplification assembly can be rotated through 60 degrees, cooperating with the buffer device to rotate the connecting rod force amplification assembly.

[0009] Preferably, the waterproof sealing assembly includes a front locking nut, a front waterproof gasket, a waterproof flange, a rubber waterproof sleeve, a rear locking nut, a rear waterproof gasket, and a fixed sleeve; the waterproof flanges in the two sets of waterproof sealing assemblies are respectively installed on the support seat and the support seat cover through waterproof bolts, the threaded part of the fixed sleeve is connected to the inner hole of the waterproof flange, the rear waterproof gasket is sleeved on the fixed sleeve, and the rear waterproof gasket is pressed into the rear boss of the waterproof flange through the rear locking nut, the rubber waterproof sleeve is sleeved on the fixed sleeve, one end of the rubber waterproof sleeve is flush with the outer end surface of the waterproof flange, and the other end is pressed by the front waterproof gasket sleeved on the fixed sleeve through the front locking nut, the connecting line passes through the fixed sleeves in the two waterproof sealing assemblies in turn, and waterproof glue is applied to the gap between the fixed sleeve and the connecting line.

[0010] The beneficial effects of the present invention are as follows: the present invention adopts a power spring as a power source, which has the characteristics of short stroke, large load, small release impact, high stability, compact structure and small space occupation; it adopts an electromagnetic latch as a limiting device, which reduces the complexity of the entire mechanism, has high sensitivity, and effectively improves the response accuracy of the entire system; the new four-bar three-stage force amplification mechanism reduces the difficulty of selecting a power spring, making the entire system more stable, and the buffer device and the reasonable arrangement of the distribution of the moving lever and the moving slider control the movement angle and range of the cutter head. By adding a waterproof sealing component, not only the sealing performance of the overall device is improved, but also the connecting line inside the deep parabolic shearing device can be made rigid and straight, which is beneficial to the shearing of the cutter head and enhances the reliability of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a structural diagram of a spring-powered connecting rod deep-sea parabolic shearing device.

[0012] Figure 2This is an exploded diagram of the structure of a spring-powered connecting rod deep-sea parabolic shearing device.

[0013] Figure 3 This is a cross-sectional view of the spring power assembly.

[0014] Figure 4 Schematic diagram of the connecting rod force amplification component structure.

[0015] Figure 5 This is an exploded view of the waterproof sealing component.

[0016] Markings in the figure: 1. Spring power assembly, 101. Spring power assembly housing, 102. Electromagnetic latch, 103. Electromagnetic latch seat, 104. Holding bolt, 105. Power spring, 106. Moving slider, 107. Guide sleeve, 2. Connecting rod force amplification assembly, 201. Support seat, 202. Support seat cover, 203. Moving lever 1, 204. Moving elbow, 205. Buffer device, 206. Fixing pin, 207. Static support rod, 208. Moving lever 2, 209. Cutting head connector, 210. Cutting head, 211. Connecting block, 3. Waterproof sealing assembly, 301. Front locking nut, 302. Front waterproof gasket, 303. Waterproof flange, 304. Rubber waterproof sleeve, 305. Rear locking nut, 306. Rear waterproof gasket, 307. Fixing sleeve. DETAILED DESCRIPTION

[0017] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0018] like Figure 1 As shown, the present invention comprises a spring power assembly 1, a connecting rod force amplification assembly 2, and a waterproof sealing assembly 3. The spring power assembly 1 is threadedly connected to the connecting rod force amplification assembly 2 via a spring power assembly housing 101 using waterproof bolts. The waterproof sealing assembly 3 is connected to the support base 201 and the support base cover 202 via four threaded holes in a waterproof flange 303. The connecting wires pass through the fixing sleeves 307 of the upper and lower waterproof sealing assemblies 3.

[0019] like Figure 2As shown, the spring power assembly 1 includes a spring power assembly housing 101, an electromagnetic latch 102, an electromagnetic latch seat 103, a tightening bolt 104, a power spring 105, a movable slider 106, and a guide sleeve 107. The power spring 105 is axially placed inside the power assembly housing 101, and a sealing ring is installed in the sealing groove at the rear of the power assembly housing 101. The tightening bolt 104 is threadedly connected to the power assembly housing 101 and the power spring is compressed. The movable slider 106 is axially slidably installed inside the power assembly housing 101 and contacts the power spring 105. The electromagnetic latch 102 is clamped in the movable slider 106 groove through the upper part of the power assembly housing 101 and the guide sleeve 107. The guide sleeve 107 is reversely connected to the four threaded holes on the upper part of the power assembly housing 101 by bolts. The side wall of the electromagnetic latch 102 is connected to the electromagnetic latch seat 103 with waterproof bolts, and the electromagnetic latch seat 103 is connected to the upper part of the power assembly housing 101 with waterproof bolts.

[0020] like Figure 2 、 3 As shown, the connecting rod force amplification assembly includes a support base 201, a support base cover 202, a movable lever 1 203, a movable elbow link 204, a buffer device 205, a fixed pin 206, a static support rod 207, a movable lever 208, a cutter head connector 209, a cutter head 210, and a connecting block 211. The support base 201 is connected to the spring power assembly housing 101 by a waterproof bolt, the movable lever 1 203 is connected to the movable elbow link 204 by a connecting block 211, the middle pin hole of the movable lever 1 203 is connected to the support base 201 by a fixed pin 206, the movable elbow link 204 is connected to the movable lever 2 208 by a connecting block, the rear pin hole of the movable lever 208 is connected to the support base 201 by a fixed pin 206, the cutter head connector 209 is connected to the middle threaded hole of the movable lever 208, and the cutter head 210 is connected to the cutter head connector 209 by a fixed pin 206. The buffer device 205 is installed at an adjustable position and is located at the center line of the axial movement of the moving slider 106 of the spring power assembly 1 to suppress over-impact of the moving lever 203.

[0021] like Figure 2 、 4As shown, the waterproof sealing assembly 3 includes a front locking nut 301, a front waterproof gasket 302, a waterproof flange 303, a rubber waterproof sleeve 304, a rear locking nut 305, a rear waterproof gasket 306, and a fixing sleeve 307. The waterproof flanges 303 in the two sets of waterproof sealing assemblies 3 are respectively mounted to the support base 201 and the support base cover 202 using waterproof bolts. The fixing sleeve 307 is bolted to the inner hole of the waterproof flange 303. The rear waterproof gasket 306 is inserted into the fixing sleeve 307 and pressed into the rear boss of the waterproof flange 303 via the rear locking nut 305. The rubber waterproof sleeve 304 is inserted into the fixing sleeve 307, with one end of the rubber waterproof sleeve 304 flush with the waterproof flange 303 and the other end being compressed by the front waterproof gasket 302 inserted into the fixing sleeve 307 via the front locking nut 301. The connecting line passes through the two fixing sleeves 307 in the waterproof sealing components 3 in sequence, and waterproof glue is applied to the gap between the fixing sleeve 307 and the connecting line.

[0022] When the device is in use, the connecting line of the heavy object thrown by the underwater autonomous robot is first passed through the fixed sleeves 307 of the two waterproof sealing components 3 of the present invention, and the compression bolt 104 in the spring power component 1 adds torque to compress the spring. After the floating command is issued during deep-sea operations, the electromagnetic plug 102 receives the signal and pops out the spring power component housing 101. The moving slider 106 quickly moves along the inner hole of the spring power component housing 101, detaches from the spring power component housing 101, and presses the connecting rod force amplification component dynamic lever 1 203. The force is amplified and transmitted through the dynamic lever 1 203, the dynamic elbow 204, and the dynamic lever 2 208. The cutter head 210 quickly cuts off and cuts off the connecting piece.

[0023] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A spring-powered connecting rod deep-sea parabolic shearing device, characterized by: The invention comprises a spring power assembly (1), a connecting rod force amplification assembly (2), and a waterproof sealing assembly (3); the spring power assembly (1) comprises a spring power assembly housing (101), an electromagnetic latch (102), an electromagnetic latch seat (103), a clamping bolt (104), a power spring (105), a movable slider (106), and a guide sleeve (107); the spring power assembly (1) is connected to the connecting rod force amplification assembly (2) through the spring power assembly housing (101); the waterproof sealing assembly (3) is connected to the connecting rod force amplification assembly (2); the power spring (105) is placed inside the spring power assembly housing (101), and the compression direction is the same as that of the spring power assembly. The inner hole is coaxial, the clamping bolt (104) is connected to the spring power assembly housing (101) by a threaded connection, the moving slider (106) is located inside the spring power assembly housing (101) and contacts the power spring (105), the electromagnetic latch (102) is clamped in the moving slider groove through the upper part of the spring power assembly housing (101) and the guide sleeve (107), the connecting rod force amplification component (2) includes a support seat (201), a support seat cover (202), a moving lever (203), a moving elbow (204), a buffer device (205), a fixing pin (206), a static support rod (207), a moving lever (208), A cutter head connector (209), a cutter head (210), and a connecting block (211); the movable lever 1 (203) is connected to the movable elbow rod (204) via a connecting block (211); the movable elbow rod (204) is connected to the movable lever 2 (208) via a connecting block (211); a fixing pin (206) fixes the static support rod (207) to the movable lever 1 (203) and the movable lever 2 (208) to the support seat (201) via a pin hole; the cutter head (210) is connected to the threaded hole in the middle of the movable lever 2 (208) via the cutter head connector (209); and the buffer device (205) is installed on the moving center line of the moving slider (106) of the spring power assembly, downward relative to the movable lever 1 (203).

2. The spring power connecting rod deep-sea parabolic shearing device according to claim 1, characterized in that: The guide sleeve (107) limits the axial position of the electromagnetic latch (102).

3. The spring power connecting rod deep-sea parabolic shearing device according to claim 1, characterized in that: The connecting rod force amplification component (2) is a four-rod three-stage force amplification mechanism, which can amplify the force by 22 times.

4. The spring power connecting rod deep-sea parabolic shearing device according to claim 1, characterized in that: The movable elbow rod (204) in the connecting rod force amplifying assembly (2) can be rotated through 60 degrees, and cooperates with the buffer device (205) to rotate the connecting rod force amplifying assembly (2).

5. The spring power connecting rod deep sea parabolic shearing device according to claim 1, characterized in that: The waterproof sealing assembly (3) comprises a front locking nut (301), a front waterproof gasket (302), a waterproof flange (303), a rubber waterproof sleeve (304), a rear locking nut (305), a rear waterproof gasket (306), and a fixing sleeve (307); the waterproof flanges (303) in the two groups of the waterproof sealing assemblies (3) are respectively mounted on the support seat (201) and the support seat cover plate (202) through waterproof bolts, the threaded portion of the fixing sleeve (307) is connected to the inner hole of the waterproof flange (303), and the rear waterproof gasket (306) is sleeved on the fixing sleeve (307). ), the rear waterproof gasket (306) is pressed into the rear boss of the waterproof flange (303) through the rear locking nut (305), the rubber waterproof sleeve (304) is sleeved on the fixed sleeve (307), one end of the rubber waterproof sleeve (304) is flush with the outer end surface of the waterproof flange (303), and the other end is sleeved on the front waterproof gasket (302) on the fixed sleeve (307) and compressed by the front locking nut (301), the connecting wire passes through the fixed sleeves (307) in the two waterproof sealing components (3) in turn, and waterproof glue is applied to the gap between the fixed sleeve (307) and the connecting wire.

Citation Information

Patent Citations

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