CN111941478A - Underwater optical fiber shearing mechanism - Google Patents
Underwater optical fiber shearing mechanism Download PDFInfo
- Publication number
- CN111941478A CN111941478A CN202010678981.0A CN202010678981A CN111941478A CN 111941478 A CN111941478 A CN 111941478A CN 202010678981 A CN202010678981 A CN 202010678981A CN 111941478 A CN111941478 A CN 111941478A
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- China
- Prior art keywords
- shearing
- optical fiber
- motor
- pin shaft
- blade
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2614—Means for mounting the cutting member
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention relates to the technical field of underwater robots. In particular to an underwater optical fiber shearing mechanism. The shearing mechanism comprises a pin shaft triggering mechanism, a triggering pin shaft, a shearing blade assembly, a force storage spring and a shearing barrel, wherein the shearing barrel is arranged on a frame; the shearing blade component is matched in the shearing barrel in a sliding manner, and the front end of the shearing barrel is radially provided with a through hole for the optical fiber to pass through; the power storage spring is accommodated in the shearing barrel, and two ends of the power storage spring are respectively abutted with the bottom of the shearing barrel and the shearing blade assembly; a positioning hole I is formed in the shearing barrel in the radial direction and is positioned at the rear side of the through hole, and the trigger pin shaft is connected with the shearing blade assembly in a positioning mode through the positioning hole I; the pin shaft trigger mechanism is arranged on the frame and connected with the trigger pin shaft, and is used for pulling out the trigger pin shaft to enable the shearing blade assembly to move forwards through the elasticity of the force accumulation spring, so that the optical fiber passing through the through hole is cut off. The invention realizes the shearing of the optical fiber and reduces the production cost under the condition of not adding an extra power source of the submersible vehicle.
Description
Technical Field
The invention relates to the technical field of underwater robots. In particular to an underwater optical fiber shearing mechanism.
Background
Optical fiber communication technology has become one of the main pillars of modern communication, has developed rapidly in recent years, and has begun to be applied to communication between a large-depth submersible vehicle and the ground. When the submersible vehicle floats upwards, the optical fiber needs to be cut off in order to avoid the optical fiber from winding the submersible vehicle, but the underwater power device of the deep sea submersible vehicle is very complicated, and the integral integration level of the carrier is not high. The optical fiber consists of an inner core and a cladding, wherein the inner core is generally dozens of microns or several microns; the outer layer is called the cladding, which serves to protect the fiber, since the glass material is the primary material from which the fiber is made, it is an electrical insulator. However, the external insulating layer of the underwater ultrafine optical fiber is made of fiber materials and is difficult to cut underwater. A set of power system is added underwater, a whole set of motor sealing device needs to be equipped, and a motor power supply is connected with a sealing loop, so that the structure is complex, and the cost is high.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide an underwater optical fiber shearing mechanism, which can shear an optical fiber without adding an additional power source to a submersible, thereby reducing the production cost.
In order to achieve the purpose, the invention adopts the following technical scheme:
an underwater optical fiber shearing mechanism comprises a pin shaft triggering mechanism, a triggering pin shaft, a shearing blade assembly, a force storage spring and a shearing barrel; the shearing cylinder is arranged on the frame; the shearing blade component is matched in the shearing barrel in a sliding manner, and the front end of the shearing barrel is radially provided with a through hole for the optical fiber to pass through;
the power storage spring is accommodated in the shearing barrel, and two ends of the power storage spring are respectively abutted with the bottom of the shearing barrel and the shearing blade assembly;
a positioning hole I is formed in the shearing barrel in the radial direction and is positioned at the rear side of the through hole, and the trigger pin shaft is connected with the shearing blade assembly in a positioning mode through the positioning hole I;
the pin shaft trigger mechanism is arranged on the frame and connected with the trigger pin shaft, and is used for pulling out the trigger pin shaft to enable the shearing blade assembly to move forwards through the elasticity of the force accumulation spring, so that the optical fiber passing through the through hole is cut off.
The shearing blade assembly comprises a shearing blade and a blade fixing seat, wherein the blade fixing seat is in sliding fit with the inner wall of the shearing barrel, and the shearing blade is arranged at the front end of the blade fixing seat; and a positioning hole II is formed in the blade fixing seat, and the trigger pin shaft is inserted into the positioning hole I and the positioning hole II to realize the fixation of the blade fixing seat.
The trigger pin shaft is a stepped shaft; the diameter of the positioning hole I is larger than that of the positioning hole II.
The width of the shearing blade is larger than the diameter of the through hole.
And the blade fixing seat is provided with a water through hole, and the water through hole is used for communicating the cavities on the two sides of the blade fixing seat.
The shearing barrel comprises a barrel body, and a shearing blade plug and a spring plug which are respectively arranged at the front end and the rear end of the barrel body.
The pin shaft triggering mechanism comprises a shearing motor, a rotary pull rope device and a pin shaft connecting rope, wherein the shearing motor is arranged on the frame, and the output end of the shearing motor is connected with the rotary pull rope device; one end of the pin shaft connecting rope is connected with the rotary pull rope device, and the other end of the pin shaft connecting rope is connected with the trigger pin shaft.
The pin shaft triggering mechanism further comprises a connecting rope guiding mechanism, the connecting rope guiding mechanism comprises a connecting rope guiding sheet and a guiding sheet support, the guiding sheet support is arranged on the frame, and the connecting rope guiding sheet is arranged on the guiding sheet support, so that the pin shaft connecting rope is collinear with the axis of the triggering pin shaft after passing through the connecting rope guiding sheet.
The rotary rope pulling device is of an L-shaped structure, one right-angle arm of the rotary rope pulling device is connected with the output end of the shearing motor, and a connecting rope passing hole is formed in the other right-angle arm in the axial direction.
The pin shaft triggering mechanism further comprises a motor sealing shell assembly, the motor sealing shell assembly comprises a shearing motor shell and a shearing motor end cover, the shearing motor shell is arranged on the outer side of the shearing motor, and a motor cable of the shearing motor is led out from one end of the shearing motor shell; the shear motor end cover is arranged at the other end of the shear motor shell and connected with the frame; the output end of the shearing motor is connected with the rotary pull rope device through a shearing motor connecting rod, and the shearing motor connecting rod is rotatably connected with the shearing motor end cover.
The invention has the advantages and positive effects that:
1. the application range is wide: the invention is an open water device, the whole device is a metal component, can bear the pressure of deep sea, and can be used underwater at any depth. It can also be applied when optical fiber shearing is needed on land.
2. The reliability is strong: in the invention, after the trigger pin shaft is pulled up by the pin shaft connecting rope, the force is exerted by the force storage spring to push the shearing blade fixing seat forward, and the shearing blade is stopped until the shearing blade completely touches the shearing blade plug, at this time, the optical fiber is sheared.
3. The structure is compact: the transmission shaft is skillfully designed, so that the integral shearing mechanism is small and compact, and the triggering action can be connected with the position of the existing power source through a steel wire.
4. No extra power device is needed: the optical fiber shearing power of the invention is derived from the stored energy of the spring, the trigger mechanism is in pin pulling linkage, and the trigger power can be guided to the existing power source through the thin steel wire. The design of the device can meet the requirement of optical fiber shearing, and no additional device is added, so that the integral integration of the carrier is improved.
Drawings
FIG. 1 is a schematic structural view of an underwater optical fiber shearing mechanism according to the present invention;
FIG. 2 is a schematic view of the blade holder of the present invention;
fig. 3 is a top view of fig. 2.
In the figure: the device comprises a motor cable 1, a shearing motor shell 2, a shearing motor 3, a shearing motor end cover 4, a shearing pin shaft 5, a shearing motor connecting rod 6, a rotary pull rope device 7, a pin shaft connecting rope 8, a connecting rope guide sheet 9, a guide sheet support 10, a shearing blade plug 11, a trigger pin shaft 12, a shearing sheet fastening screw 13, a shearing blade 14, a blade fixing seat 15, a force storage spring 16, a spring plug 17, a shearing barrel 18, a through hole 19, a frame 20, a blade groove 21, a water through hole 22, a threaded hole 23, a positioning hole II and an optical fiber A.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the underwater optical fiber shearing mechanism provided by the present invention comprises a pin triggering mechanism, a triggering pin 8, a shearing blade assembly, a power storage spring 16 and a shearing cylinder 18, wherein the shearing cylinder 18 is arranged on a frame 20; the shearing blade component is in sliding fit in the shearing barrel 18, and the front end of the shearing barrel 18 is radially provided with a through hole 19 for the optical fiber A to pass through; the power storage spring 16 is accommodated in the shearing cylinder 18, and two ends of the power storage spring are respectively abutted against the bottom of the shearing cylinder 18 and the shearing blade assembly; a positioning hole I is formed in the shearing barrel 18 along the radial direction and is positioned at the rear side of the through hole 19, and the trigger pin shaft 8 is connected with the shearing blade assembly in a positioning mode through the positioning hole I; the pin triggering mechanism is provided on the frame 20 and connected to the triggering pin 8, and is configured to pull out the triggering pin 8, so that the cutting blade assembly is moved forward by the elastic force of the power accumulating spring 16, thereby cutting the optical fiber a passing through the through hole 19.
In the embodiment of the invention, the shearing cylinder 18 comprises a cylinder body, and a shearing blade plug 11 and a spring plug 17 which are respectively arranged at the front end and the rear end of the cylinder body. The shearing blade assembly comprises a shearing blade 14 and a blade holder 15, wherein the blade holder 15 is in sliding fit with the inner wall of the shearing cylinder 18. As shown in fig. 2-3, the front end face of the insert holder 15 is provided with an insert groove 21, and the outer circumference thereof is provided with a threaded hole 23 and a positioning hole ii 24 along the radial direction. The cutting blade 14 is arranged in the blade groove 21 of the blade fixing seat 15 and is fixed by a cutting blade fastening screw 13 connected in the threaded hole 23; the trigger pin shaft 8 is inserted into the positioning hole I and the positioning hole II 24, so that the blade fixing seat 15 is fixed relative to the shearing cylinder 18.
Specifically, the trigger pin 8 is a stepped shaft; the diameter of the positioning hole I is larger than that of the positioning hole II 24 so as to adapt to the stepped structure of the trigger pin shaft 8.
Further, the width of the cutting blade 14 is larger than the diameter of the through hole 19, ensuring the cutting success rate.
On the basis of the above embodiment, as shown in fig. 2-3, the insert holder 15 is provided with a water through hole 22 along the axial direction, and the water through hole 22 is used for communicating the cavities at both sides of the insert holder 15 to reduce the impact resistance of the power storage spring 16. In this embodiment, the blade holder 15 is provided with four water holes 22 along the axial direction, so as to reduce the water resistance of the blade holder 15 in the forward and backward movement.
In the embodiment of the invention, the pin shaft triggering mechanism comprises a shearing motor 3, a rotary pull rope device 7 and a pin shaft connecting rope 8, wherein the shearing motor 3 is arranged on a frame 20, and the output end of the shearing motor is connected with the rotary pull rope device 7; one end of the pin shaft connecting rope 8 is connected with the rotary pull rope device 7, and the other end of the pin shaft connecting rope is connected with the trigger pin shaft 8.
On the basis of the above embodiment, the pin triggering mechanism further includes a connecting rope guiding mechanism, the connecting rope guiding mechanism includes a connecting rope guiding sheet 9 and a guiding sheet support 10, wherein the guiding sheet support 10 is disposed on the frame 20, the connecting rope guiding sheet 9 is disposed on the guiding sheet support 10, so that the pin connecting rope 8 passes through the connecting rope guiding sheet 9 and then is collinear with the axis of the triggering pin 8, and the pin connecting rope 8 can be quickly pulled out of the triggering pin 8.
In the embodiment of the invention, the rotary rope pulling device 7 is of an L-shaped structure, one right-angle arm of the rotary rope pulling device is connected with the output end of the shearing motor 3, and the other right-angle arm is axially provided with a connecting rope through hole. One end of the pin shaft connecting rope 8 penetrates through the connecting rope and is fixed after penetrating through the hole.
In the embodiment of the invention, the pin shaft triggering mechanism further comprises a motor sealing shell assembly, the motor sealing shell assembly comprises a shearing motor shell 2 and a shearing motor end cover 4, wherein the shearing motor shell 2 is arranged on the outer side of the shearing motor 3, and a motor cable 1 of the shearing motor 3 is led out from one end of the shearing motor shell 2; the shear motor end cap 4 is provided at the other end of the shear motor housing 2, and is connected to the frame 20.
Further, the output end of the shearing motor 3 is connected with the rotary pull rope device 7 through a shearing motor connecting rod 6, and the shearing motor connecting rod 6 is rotatably connected with the shearing motor end cover 4.
In this embodiment, the shearing cylinder 18 is provided with two through holes 19 which are vertically through, the diameter of each through hole 19 is 20mm, the diameter of each optical fiber A is 0.4mm, and the optical fibers A cannot rub against the through holes 19, so that the optical fiber glue is prevented from being accumulated in the shearing device, and the release of the optical fibers is prevented from being influenced. The width of the cutting blade 14 is 28mm larger than the diameter of the through hole 19, thereby ensuring the cutting success rate of the cutting blade 14.
The working principle of the invention is as follows:
first, the pin connection cord 8 is loosened so that the trigger pin 12 can move freely. The cutting blade 14 is fixed at the front end of the blade holder 15 by a cutting blade fastening screw 13. The blade fixing seat 15 is pushed inwards until a positioning hole II on the blade fixing seat corresponds to a positioning hole I on the shearing cylinder 18, so that the trigger pin shaft 12 can be inserted into the blade fixing seat 15, then the power storage spring 16 is arranged, and the power storage spring 16 is tightly pressed through the spring plug 17. Then the optical fiber A is penetrated from the through hole 19 on the shearing cylinder 18, the diameter of the optical fiber A is 0.4mm, and the optical fiber A cannot be rubbed with the through hole 19, so that the accumulation of optical fiber glue at the position is avoided. Rotate through shearing motor 3 and drive rotatory stay cord device 7 and rotate, rotatory stay cord device 7 can stimulate round pin hub connection rope 8 to will trigger round pin axle 12 and pull up, release shear blade fixing base 15. The shear blade holder 15 is pushed forward by the force of the power storage spring 16 until the shear blade 14 is stopped when it completely contacts the shear blade plug 11, at which time the optical fiber a is cut.
In conclusion, the invention provides the underwater pulling pin triggered ultramicro optical fiber shearing mechanism which has the advantages of wide application range, strong reliability, compact structure and no need of an additional power device. The optical fiber shearing power of the invention is derived from the stored energy of the spring, the trigger mechanism is in pin pulling linkage, and the trigger power can be guided to the existing power source through the thin steel wire. The design of the device can meet the requirement of optical fiber shearing, and no additional device is added, so that the integral integration of the carrier is improved.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, extension, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (10)
1. An underwater optical fiber shearing mechanism is characterized by comprising a pin shaft triggering mechanism, a triggering pin shaft (8), a shearing blade assembly, a force storage spring (16) and a shearing barrel (18);
the shearing cylinder (18) is arranged on the frame (20);
the shearing blade component is in sliding fit in the shearing barrel (18), and the front end of the shearing barrel (18) is radially provided with a through hole (19) for the optical fiber (A) to pass through;
the power storage spring (16) is accommodated in the shearing cylinder (18), and two ends of the power storage spring are respectively abutted against the bottom of the shearing cylinder (18) and the shearing blade assembly;
a positioning hole I is formed in the shearing cylinder (18) in the radial direction and is positioned on the rear side of the through hole (19), and the trigger pin shaft (8) is connected with the shearing blade assembly in a positioning mode through the positioning hole I;
the pin shaft trigger mechanism is arranged on the frame (20) and connected with the trigger pin shaft (8), and is used for pulling out the trigger pin shaft (8) to enable the shearing blade assembly to move forwards through the elastic force of the power storage spring (16), so that the optical fiber (A) passing through the through hole (19) is cut off.
2. The underwater optical fiber shearing mechanism as recited in claim 1, wherein said shearing blade assembly comprises a shearing blade (14) and a blade holder (15), wherein the blade holder (15) is slidably fitted to an inner wall of the shearing cylinder (18), and the shearing blade (14) is disposed at a front end of the blade holder (15); and a positioning hole II (24) is formed in the blade fixing seat (15), and the trigger pin shaft (8) is inserted into the positioning hole I and the positioning hole II (24) to fix the blade fixing seat (15).
3. An underwater optical fiber shearing mechanism as claimed in claim 2, wherein said trigger pin (8) is a stepped shaft; the diameter of the positioning hole I is larger than that of the positioning hole II (24).
4. An underwater optical fiber shearing mechanism according to claim 2, wherein the width of said shearing blade (14) is larger than the diameter of said through hole (19).
5. The underwater optical fiber shearing mechanism as claimed in claim 2, wherein a water through hole (22) is formed in the blade fixing seat (15), and the water through hole (22) is used for communicating cavities on two sides of the blade fixing seat (15).
6. The underwater optical fiber shearing mechanism as recited in claim 1, wherein said shearing cylinder (18) comprises a cylinder body and shearing blade plugs (11) and spring plugs (17) respectively disposed at front and rear ends of the cylinder body.
7. The underwater optical fiber shearing mechanism as recited in claim 1, wherein the pin triggering mechanism comprises a shearing motor (3), a rotary pulling rope device (7) and a pin connecting rope (8), wherein the shearing motor (3) is arranged on the frame (20), and the output end of the shearing motor is connected with the rotary pulling rope device (7); one end of the pin shaft connecting rope (8) is connected with the rotary pull rope device (7), and the other end of the pin shaft connecting rope is connected with the trigger pin shaft (8).
8. An underwater optical fiber shearing mechanism as claimed in claim 7, wherein the pin triggering mechanism further comprises a connecting rope guiding mechanism, the connecting rope guiding mechanism comprises a connecting rope guiding sheet (9) and a guiding sheet bracket (10), wherein the guiding sheet bracket (10) is arranged on the frame (20), and the connecting rope guiding sheet (9) is arranged on the guiding sheet bracket (10), so that the pin connecting rope (8) is collinear with the axis of the triggering pin (8) after passing through the connecting rope guiding sheet (9).
9. An underwater optical fiber shearing mechanism as claimed in claim 7, wherein the rotary pull rope device (7) is of an L-shaped structure, one right-angle arm of the rotary pull rope device is connected with the output end of the shearing motor (3), and the other right-angle arm is provided with a connecting rope through hole along the axial direction.
10. The underwater optical fiber shearing mechanism as claimed in claim 7, wherein the pin triggering mechanism further comprises a motor sealing shell assembly, the motor sealing shell assembly comprises a shearing motor shell (2) and a shearing motor end cover (4), wherein the shearing motor shell (2) is arranged on the outer side of the shearing motor (3), and a motor cable (1) of the shearing motor (3) is led out from one end of the shearing motor shell (2); the shear motor end cover (4) is arranged at the other end of the shear motor shell (2) and is connected with the frame (20); the output end of the shearing motor (3) is connected with the rotary pull rope device (7) through a shearing motor connecting rod (6), and the shearing motor connecting rod (6) is rotatably connected with the shearing motor end cover (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010678981.0A CN111941478A (en) | 2020-07-15 | 2020-07-15 | Underwater optical fiber shearing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010678981.0A CN111941478A (en) | 2020-07-15 | 2020-07-15 | Underwater optical fiber shearing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111941478A true CN111941478A (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010678981.0A Pending CN111941478A (en) | 2020-07-15 | 2020-07-15 | Underwater optical fiber shearing mechanism |
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| CN (1) | CN111941478A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4690091A (en) * | 1985-03-18 | 1987-09-01 | Mats Hermansson | Securing arrangement so executed as to be tripped on actuation |
| US20140020791A1 (en) * | 2012-07-23 | 2014-01-23 | Conax Florida Corporation | Inflator Assembly Adapted for Manual or Automatic Inflation |
| CN205201616U (en) * | 2015-12-08 | 2016-05-04 | 惠州市德赛自动化技术有限公司 | Shearing mechanism |
| CN106799753A (en) * | 2015-11-26 | 2017-06-06 | 中国科学院沈阳自动化研究所 | It is a kind of to trigger ultra micro optical fiber cutting mechanism with pulling pin under water |
| CN209497926U (en) * | 2018-12-29 | 2019-10-18 | 常州机电职业技术学院 | Shear type telescopic fruit picker |
-
2020
- 2020-07-15 CN CN202010678981.0A patent/CN111941478A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4690091A (en) * | 1985-03-18 | 1987-09-01 | Mats Hermansson | Securing arrangement so executed as to be tripped on actuation |
| US20140020791A1 (en) * | 2012-07-23 | 2014-01-23 | Conax Florida Corporation | Inflator Assembly Adapted for Manual or Automatic Inflation |
| CN106799753A (en) * | 2015-11-26 | 2017-06-06 | 中国科学院沈阳自动化研究所 | It is a kind of to trigger ultra micro optical fiber cutting mechanism with pulling pin under water |
| CN205201616U (en) * | 2015-12-08 | 2016-05-04 | 惠州市德赛自动化技术有限公司 | Shearing mechanism |
| CN209497926U (en) * | 2018-12-29 | 2019-10-18 | 常州机电职业技术学院 | Shear type telescopic fruit picker |
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Application publication date: 20201117 |