CN108871967B - Special multi-angle pressure test die for quantum secret communication transmission optical fiber - Google Patents
Special multi-angle pressure test die for quantum secret communication transmission optical fiber Download PDFInfo
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- CN108871967B CN108871967B CN201810786175.8A CN201810786175A CN108871967B CN 108871967 B CN108871967 B CN 108871967B CN 201810786175 A CN201810786175 A CN 201810786175A CN 108871967 B CN108871967 B CN 108871967B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/16—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces applied through gearing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
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Abstract
The invention belongs to the technical field of quantum secret communication transmission optical fibers, and particularly relates to a special multi-angle pressure test die for a quantum secret communication transmission optical fiber, which comprises two pressing dies which are symmetrically arranged up and down; the pressing die comprises a telescopic rod, a motor, a gear, a first connecting rod, a second connecting rod, a pressing plate and a pressure sensor; the lower end part of the telescopic rod is provided with a cavity; the motor is arranged on the outer wall of the lower end part of the telescopic rod; the gear is positioned in the cavity of the telescopic rod and is arranged on the output shaft of the motor; the first connecting rod is fixed at the left lower part of the gear; the second connecting rod is fixed at the right lower part of the gear; the upper end of the pressure plate is respectively connected with the first connecting rod and the second connecting rod; the pressure sensor is located in the platen. The invention can test the optical fiber in a multi-angle compression manner, has convenient operation and high precision of detected data, and is suitable for detecting the high-precision quantum secret communication transmission optical fiber.
Description
Technical Field
The invention belongs to the technical field of quantum secret communication transmission optical fibers, and particularly relates to a special multi-angle pressure test die for a quantum secret communication transmission optical fiber.
Background
With the continuous development of society, the requirements of people on communication quality are increasing day by day, and the transmission means of information data also ranges from a twisted pair stage to a cable twisted pair stage and finally to the current optical fiber stage; with continuous research of people, quantum communication gradually appears in the sight of people; at present, people can realize quantum communication through optical fibers, but in real life, the optical fibers can bear different pressures from the nature, and the pressures can influence information transmitted by the optical fibers. In order to test the influence of pressure at different angles on optical fiber transmission under different conditions, people test the optical fiber through a pressure test special die for the quantum secret communication transmission optical fiber, but the data accuracy of the current die test is not high, and the operation process is troublesome.
Patent document 1: a special mould for angular pressure test of quantum secret communication transmission optical fiber is disclosed in application number: 2014202762626
In the patent document 1, the angle between the upper backing plate and the lower backing plate is changed by adjusting the upper adjusting nut and the lower adjusting nut to extrude the optical fiber at multiple angles, the operation of the invention is too complicated, the invention cannot ensure that the optical fiber does not transversely move when being extruded, so that the detection data of the invention is inaccurate, meanwhile, the invention needs to detect again when the optical fiber transversely moves, the detection time is prolonged, the labor intensity is improved, the invention can only carry out extrusion test on the optical fiber with one size, and the carrying of the mould is inconvenient.
Disclosure of Invention
In order to make up the defects of the prior art, the special multi-angle pressure test die for the quantum secret communication transmission optical fiber provided by the invention can extrude the optical fiber at multiple angles through the mutual matching of the motor, the first connecting rod, the second connecting rod and the pressing plate; according to the invention, the arc-shaped groove is formed in the pressing plate, so that the optical fiber is prevented from moving transversely when being extruded, repeated detection is avoided, the detection time is shortened, the labor intensity is reduced, and meanwhile, the detected data is more accurate and more persuasive; the invention enables the whole pressing die to be simply assembled and disassembled by arranging the detachable gear, thereby enabling the pressing die to be convenient to carry, and meanwhile, different pressing dies can be obtained by different combinations, so that the special die for testing the angular pressure of the quantum secret communication optical fiber can test different optical fibers.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a special multi-angle pressure test die for a quantum secret communication transmission optical fiber, which comprises two pressing dies which are symmetrically arranged up and down; the pressing die comprises a telescopic rod, a motor, a gear, a first connecting rod, a second connecting rod, a pressing plate and a pressure sensor; the lower end part of the telescopic rod is provided with a cavity; the motor is arranged on the outer wall of the lower end part of the telescopic rod; the gear is positioned in the cavity of the telescopic rod and is arranged on the output shaft of the motor; the first connecting rod is fixed at the left lower part of the gear; the second connecting rod is fixed at the right lower part of the gear; the upper end of the pressing plate is respectively connected with the first connecting rod and the second connecting rod, and the pressing plate is used for extruding the optical fibers; the pressure sensor is arranged in the pressing plate and used for detecting the pressure applied to the optical fiber, and the pressure sensor is arranged in the pressing plate, so that the pressure sensor is sensitive to the pressure applied to the optical fiber, and the accuracy of data detection is improved. When the device works, the optical fiber is placed between two pressing dies, the telescopic rod drives the motor, the gear, the first connecting rod and the second connecting rod to move together with the pressing plate, the pressing plate extrudes the optical fiber, and the pressure sensor in the pressing plate detects the pressure applied to the optical fiber when the optical fiber is extruded; in-process, rotate through the motor and can drive connecting rod one and rotate together with connecting rod two, the clamp plate rotates under connecting rod one and connecting rod two's effect for optic fibre receives the extruded angle and changes, thereby can detect out the influence of the pressure of different angles to optic fibre, makes to detect more comprehensive, and the detection data more has convincing nature and practicality.
The lower end face of the pressing plate is uniformly provided with arc-shaped grooves, and the arc-shaped grooves are used for increasing the friction force between the optical fibers and the pressing plate. During operation, the arc-shaped groove increases the friction force between the optical fiber and the pressing plate, so that the optical fiber cannot transversely move when being extruded at multiple angles, the detection data is more accurate, repeated retesting caused by horizontal movement of the optical fiber is avoided, the workload is reduced, and the time is saved.
The first connecting rod, the second connecting rod and the gear are fixedly connected in a welding mode, a plurality of bumps are arranged on the end portions of the first connecting rod and the second connecting rod in parallel, grooves are formed in the joints of the gear and the first connecting rod and the second connecting rod correspondingly, the bumps are located in the grooves, and the bumps and the grooves are used for enabling welding to be firmer. During operation, insert the recess on the gear with the lug of connecting rod one and connecting rod two, link together connecting rod one and connecting rod two through the welded mode again, the welding makes the connecting rod one, connecting rod two more firm with being connected of gear, has promoted the life of moulding-die, and the setting of lug and recess has improved the compressive capacity of welding department for the junction can not break down under great pressure, has improved the practicality of moulding-die, has increased the application scope of moulding-die.
And a stress relief cavity is also arranged at the joint of the first connecting rod and the second connecting rod and the gear, and is used for relieving stress at the welding position. During operation, the stress at the joint of the first connecting rod and the second connecting rod and the gear is eliminated due to the existence of the stress-relief cavity, the toughness of the welding position is improved, the pressure resistance of the welding position is further improved, and the service life of the pressing die is prolonged.
The pressing die is also provided with a fastening spring; the left end of the fastening spring is connected to the first connecting rod, the right end of the fastening spring is connected to the second connecting rod, the left end and the right end of the fastening spring are symmetrically fixed, the fastening spring is bent from the middle, a middle bending point of the fastening spring is fixed to the middle of the upper end of the pressing plate, and the fastening spring is used for preventing the pressing plate from being bent from the middle. The during operation, the fastening spring bending point is connected in the mid point department of clamp plate, when clamp plate extrusion optic fibre, fastening spring makes the mid portion of clamp plate can not take place the bending under the effect of extrusion force, avoided the inside pressure sensor of clamp plate to damage, the life of moulding-die has been improved, and simultaneously, it is inaccurate to have avoided pressure sensor deformation too big data that lead to detecting, thereby the accuracy of optic fibre pressure value detection has been improved, and then the persuasion of the data that obtains of detection has been improved, the practicality of detection data has been improved.
A hollow pipeline is arranged in the fastening spring, air is filled in the hollow pipeline, and the hollow pipeline is used for adjusting the rigidity of the fastening spring; and the fastening spring is also provided with a gas injection port, and the gas injection port is used for injecting air into the fastening spring or discharging the air in the fastening spring. The during operation injects the air to fastening spring inside through the gas injection mouth, adjusts fastening spring's rigidity for when fastening spring can ensure the clamp plate to the extrusion force of clamp plate that the clamp plate extrudees optic fibre under the pressure of difference, remain straight state throughout, further plays a guard action to pressure sensor, has improved the life of moulding-die, has improved the accuracy of the data that pressure sensor detected, makes the detection data more have the persuasion.
The gear comprises an outer gear ring, a connecting disc and a cylinder; the outer gear ring is of an annular structure, and a plurality of circular grooves are circumferentially arranged on the inner wall of the outer gear ring; the connecting disc is positioned inside the outer gear ring and connected with the output shaft of the motor; the number of the cylinders is the same as that of the circular grooves, the cylinders are circumferentially fixed on the outer wall of the connecting disc, piston rods of the cylinders can stretch in the circular grooves, and the cylinders are used for connecting the outer gear ring and the connecting disc. During operation, adjusting cylinder makes the piston rod of cylinder stretch into in the circular recess of outer ring gear, make connection pad and outer ring gear link together and form a complete gear, link connection pad and outer ring gear together through the cylinder, make outer ring gear, connecting rod one, it is more convenient with the subassembly dismantlement that the clamp plate is constituteed to connecting rod two, thereby it is more convenient to make the moulding-die carry, and simultaneously, it can make the different outer ring gear of connection pad adaptation to set up the cylinder on the connection pad, thereby make the connection pad can with the outer ring gear of more differences, connecting rod one, the subassembly that connecting rod two and clamp plate are constituteed cooperatees, form different moulding-dies, and then carry out pressure test to various optic fibre, the application scope of pressure test mould has been improved, and then the practicality has been.
The invention has the following beneficial effects:
1. according to the special multi-angle pressure test die for the quantum secret communication transmission optical fiber, the motor, the connecting rod I, the connecting rod II, the gear, the pressing plate and the pressure sensor are matched with each other, so that the pressure test die can obtain more accurate detection data when the multi-angle pressure test is carried out on the optical fiber, and meanwhile, the pressure test die spends less time when the optical fiber is detected, so that the pressure test die has better performance, the detected data is more persuasive, the time is saved, and the labor intensity is reduced.
2. According to the special multi-angle pressure test die for the quantum secret communication transmission optical fiber, the arc-shaped groove is formed in the pressing plate, so that the optical fiber is prevented from moving transversely when being extruded, the detected data are more accurate, the detected data are more convincing, meanwhile, repeated retesting caused by transverse movement of the optical fiber is avoided, the test time is saved, the labor intensity is reduced, materials are saved, and excessive optical fiber waste is avoided.
3. According to the multi-angle pressure test special die for the quantum secret communication transmission optical fiber, the detachable gear is arranged, so that the pressure test special die is simple to detach, the die is convenient to carry, meanwhile, the detachable gear enables the pressure test special die to have different combination modes, various pressure test dies are obtained, the pressure test die can test various different optical fibers, and the application range and the practicability of the multi-angle pressure test special die for the quantum secret communication transmission optical fiber are increased.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the connection of a first connecting rod to a gear according to the present invention;
FIG. 3 is a schematic view of the fastening spring of the present invention and its inner conduit;
FIG. 4 is a schematic structural view of the gear of the present invention;
in the figure: the device comprises a pressing die 1, an expansion rod 2, a gear 3, a first connecting rod 4, a second connecting rod 5, a pressing plate 6, a pressure sensor 7, a stress-relief cavity 8, a fastening spring 9, an outer toothed ring 31, a connecting disc 32, a cylinder 33 and an air injection port 91.
Detailed Description
The structure of the special die for multi-angle pressure testing of the quantum secret communication transmission optical fiber according to the embodiment of the present invention will be described below with reference to fig. 1 to 4.
As shown in FIG. 1, the multi-angle pressure test special die for the quantum secret communication transmission optical fiber comprises two pressing dies 1 which are symmetrically arranged up and down; the pressing die 1 comprises a telescopic rod 2, a motor, a gear 3, a first connecting rod 4, a second connecting rod 5, a pressing plate 6 and a pressure sensor 7; the lower end part of the telescopic rod 2 is provided with a cavity; the motor is arranged on the outer wall of the lower end part of the telescopic rod 2; the gear 3 is positioned in the cavity of the telescopic rod 2, and the gear 3 is arranged on an output shaft of the motor; the first connecting rod 4 is fixed at the lower left of the gear 3; the second connecting rod 5 is fixed at the lower right of the gear 3; the upper end of the pressing plate 6 is respectively connected with the first connecting rod 4 and the second connecting rod 5, and the pressing plate 6 is used for extruding the optical fibers; the pressure sensor 7 is located in the pressing plate 6, the pressure sensor 7 is used for detecting the pressure on the optical fiber, and the pressure sensor 7 is installed in the pressing plate 6, so that the pressure sensor 7 can sense the pressure on the optical fiber more sensitively, and the accuracy of data detection is improved. When the device works, the optical fiber is placed between the two pressing dies 1, the telescopic rod 2 drives the motor, the gear 3, the first connecting rod 4, the second connecting rod 5 and the pressing plate 6 to move together, the pressing plate 6 extrudes the optical fiber, and the pressure sensor 7 in the pressing plate 6 detects the pressure applied to the optical fiber when the optical fiber is extruded; in-process, rotate through the motor and can drive connecting rod one 4 and rotate together with connecting rod two 5, clamp plate 6 rotates under connecting rod one 4 and connecting rod two 5's effect for optic fibre receives the extruded angle and changes, thereby can detect out the influence of the pressure of different angles to optic fibre, makes to detect more comprehensive, and the measured data more has convincing nature and practicality.
As shown in fig. 1, the lower end surface of the pressing plate 6 is uniformly provided with arc-shaped grooves for increasing the friction between the optical fiber and the pressing plate 6. During operation, the arc-shaped groove increases the friction force between the optical fiber and the pressing plate 6, so that the optical fiber cannot transversely move when being extruded at multiple angles, the detection data is more accurate, repeated retesting caused by horizontal movement of the optical fiber is avoided, the workload is reduced, and the time is saved.
As shown in fig. 1 and 2, the first connecting rod 4, the second connecting rod 5 and the gear 3 are fixedly connected in a welding manner, a plurality of convex blocks are arranged at the end portions of the first connecting rod 4 and the second connecting rod 5 in parallel, grooves are correspondingly arranged at the connecting portions of the gear 3, the first connecting rod 4 and the second connecting rod 5, the convex blocks are located in the grooves, and the convex blocks and the grooves are used for enabling welding to be firmer. During operation, insert the recess on the gear 3 with connecting rod 4 and the lug of connecting rod two 5, link together connecting rod 4 and connecting rod two 5 through the welded mode again, the welding makes connecting rod 4, connecting rod two 5 and gear 3's connection more firm, the life of moulding-die 1 has been promoted, the setting of lug and recess has improved the compressive capacity of welding department, make the junction can not take place the fracture under great pressure, the practicality of moulding-die 1 has been improved, the application scope of moulding-die 1 has been increased.
As shown in fig. 2, a stress relief cavity 8 is further formed at the connection of the first connecting rod 4, the second connecting rod 5 and the gear 3, and the stress relief cavity 8 is used for relieving stress at the welding position. During operation, the stress at the joint of the first connecting rod 4, the second connecting rod 5 and the gear 3 is eliminated due to the existence of the stress-relief cavity 8, the toughness of the welding position is improved, the pressure resistance of the welding position is further improved, and the service life of the pressing die 1 is prolonged.
As shown in fig. 1, a fastening spring 9 is further arranged on the pressing die 1; the left end of the fastening spring 9 is connected to the first connecting rod 4, the right end of the fastening spring 9 is connected to the second connecting rod 5, the left end and the right end of the fastening spring 9 are symmetrically fixed, the fastening spring 9 is bent from the middle, a middle bending point of the fastening spring 9 is fixed to the middle point of the upper end of the pressing plate 6, and the fastening spring 9 is used for preventing the pressing plate 6 from being bent from the middle. The during operation, fastening spring 9 buckling point connects the mid point department at clamp plate 6, when clamp plate 6 extrudees optic fibre, fastening spring 9 makes the mid portion of clamp plate 6 can not take place the bending under the effect of extrusion force, the inside pressure sensor 7 of clamp plate 6 has been avoided damaging, the life of moulding-die 1 has been improved, and simultaneously, it is inaccurate to have avoided pressure sensor 7 to deform too big data that lead to detecting, thereby the accuracy that the optic fibre pressure value detected has been improved, and then the persuasion of the data that the detection obtained has been improved, the practicality of the detected data has been improved.
As shown in fig. 3, a hollow pipeline is arranged inside the fastening spring 9, and air is filled in the hollow pipeline, and the hollow pipeline is used for adjusting the rigidity of the fastening spring 9; the fastening spring 9 is further provided with an air injection port 91, and the air injection port 91 is used for injecting air into the fastening spring 9 or discharging the air in the fastening spring 9. The during operation, through gas injection mouth 91 to the inside air injection of fastening spring 9, adjust fastening spring 9's rigidity for when fastening spring 9 can ensure that clamp plate 6 extrudees optic fibre under the pressure of difference to the extrusion force of clamp plate 6, remain straight state throughout, further play a guard action to pressure sensor 7, improved moulding-die 1's life, improved the accuracy of the data that pressure sensor 7 detected, make the detection data more have persuasion.
As shown in fig. 4, the gear 3 includes an outer ring gear 31, a connecting disc 32 and a cylinder 33; the outer gear ring 31 is of an annular structure, and a plurality of circular grooves are formed in the inner wall of the outer gear ring 31 in the circumferential direction; the connecting disc 32 is positioned inside the outer gear ring 31, and the connecting disc 32 is connected with the output shaft of the motor; the number of the air cylinders 33 is the same as that of the circular grooves, the air cylinders 33 are circumferentially fixed on the outer wall of the connecting disc 32, piston rods of the air cylinders 33 can stretch in the circular grooves, and the air cylinders 33 are used for connecting the outer toothed ring 31 and the connecting disc 32. During operation, adjusting cylinder 33 makes the piston rod of cylinder 33 stretch into in the circular recess of outer ring gear 31, make connection pad 32 and outer ring gear 31 link together and form a complete gear 3, link connection pad 32 and outer ring gear 31 link together through cylinder 33, make outer ring gear 31, connecting rod one 4, the subassembly dismantlement that connecting rod two 5 and clamp plate 6 are constituteed is more convenient, it is more convenient to make moulding-die 1 carry, and simultaneously, it can make connection pad 32 adapt to different outer ring gear 31 to set up cylinder 33 on connection pad 32, thereby make connection pad 32 can cooperate with the subassembly that more different outer ring gears 31, connecting rod one 4, connecting rod two 5 and clamp plate 6 are constituteed, form different moulding-die 1, and then carry out pressure test to various optic fibre, the application scope of pressure test mould has been improved, and then the practicality has been improved.
The specific operation flow is as follows:
when in work: arrange optic fibre in between two upper and lower moulding-dies 1, clamp plate 6 on the moulding-die 1 is close to each other and extrudees optic fibre under the effect of telescopic link 2, pressure when the pressure sensor 7 of clamp plate 6 inside detects optic fibre pressurized, when the pressure of different angles is detected to optic fibre to needs, open the motor, the motor drives gear 3 and rotates, under the effect of gear 3, clamp plate 6 rotates certain angle along with connecting rod 4 and connecting rod two 5, rethread telescopic link 2 drives clamp plate 6 and extrudes optic fibre, detect the pressure of optic fibre when different angles pressurized through pressure sensor 7 of clamp plate 6 inside, finally when obtaining optic fibre pressurized of different angles, the influence that optic fibre received. In the process, the arc-shaped groove arranged on the pressing plate 6 increases the friction force between the optical fiber and the pressing plate 6, so that the optical fiber cannot move transversely when being extruded at multiple angles, the detection data is more accurate, multiple retesting caused by horizontal movement of the optical fiber is avoided, the workload is reduced, and the time is saved; the connecting rod I4, the connecting rod II 5 and the gear 3 are fixed together in a welding mode, the convex blocks of the connecting rod I4 and the connecting rod II 5 are inserted into the grooves in the gear 3, and then the connecting rod I4 and the connecting rod II 5 are connected together in a welding mode, so that the connection between the connecting rod I4, the connecting rod II 5 and the gear 3 is firmer through welding, the service life of the pressing die 1 is prolonged, the arrangement of the convex blocks and the grooves improves the pressure resistance of a welding position, the connection position can not be broken under larger pressure, the practicability of the pressing die 1 is improved, and the application range of the pressing die 1 is enlarged; meanwhile, the stress at the connecting parts of the first connecting rod 4, the second connecting rod 5 and the gear 3 is eliminated due to the existence of the stress-relief cavity 8, the toughness of the welding part is improved, the pressure resistance of the welding part is further improved, and the service life of the pressing die 1 is prolonged; the bending point of the fastening spring 9 is connected to the middle point of the pressing plate 6, when the pressing plate 6 extrudes the optical fiber, the fastening spring 9 prevents the middle part of the pressing plate 6 from being bent under the action of the extrusion force, the pressure sensor 7 inside the pressing plate 6 is prevented from being damaged, the service life of the pressing die 1 is prolonged, meanwhile, the inaccuracy of detected data caused by overlarge deformation of the pressure sensor 7 is avoided, the accuracy of optical fiber pressure value detection is improved, the persuasiveness of the detected data is improved, and the practicability of the detected data is improved; the rigidity of the fastening spring 9 is adjustable, air is injected into the fastening spring 9 through the air injection port 91, and the rigidity of the fastening spring 9 is adjusted, so that the extrusion force of the fastening spring 9 on the pressing plate 6 can ensure that the pressing plate 6 always keeps a straight state when the pressing plate 6 extrudes the optical fiber under different pressures, the pressure sensor 7 is further protected, the service life of the pressing die 1 is prolonged, the accuracy of data detected by the pressure sensor 7 is improved, and the detected data is more persuasive; adjusting cylinder 33 makes the piston rod of cylinder 33 stretch into in the circular recess of outer ring gear 31, make connection pad 32 and outer ring gear 31 link together and form a complete gear 3, link connection pad 32 and outer ring gear 31 link together through cylinder 33, make outer ring gear 31, connecting rod one 4, the subassembly dismantlement that connecting rod two 5 and clamp plate 6 are constituteed is more convenient, thereby it is more convenient to make moulding-die 1 carry, and simultaneously, the cylinder 33 that sets up on connection pad 32 can make connection pad 32 adapt to different outer ring gear 31, thereby make connection pad 32 can with the outer ring gear 31 of more differences, connecting rod one 4, the subassembly that connecting rod two 5 and clamp plate 6 are constituteed cooperatees, form different moulding-die 1, and then carry out pressure test to various optic fibre, the application scope of pressure test mould has been improved, and then the practicality has been improved.
While one embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various modifications can be made without departing from the scope of the present invention.
(A) In the above embodiment, the pressure plate is provided with a force by the fastening spring when the pressure plate presses the optical fiber so that the pressure plate is not bent, but the present invention is not limited thereto, and the pressure plate may be provided with a force by an elastic rod instead of the spring so that the pressure plate is not bent.
Industrial applicability
According to the invention, the special multi-angle pressure test die for the quantum secret communication transmission optical fiber can accurately perform multi-angle pressure test on the optical fiber, the test data is more accurate, and the operation is more convenient, so that the special multi-angle pressure test die for the quantum secret communication transmission optical fiber is useful in the technical field of the quantum secret communication transmission optical fiber.
Claims (5)
1. A multi-angle pressure test special die for quantum secret communication transmission optical fibers comprises two pressing dies (1) which are symmetrically arranged up and down; the method is characterized in that: the pressing die (1) comprises a telescopic rod (2), a motor, a gear (3), a first connecting rod (4), a second connecting rod (5), a pressing plate (6) and a pressure sensor (7); the lower end part of the telescopic rod (2) is provided with a cavity; the motor is arranged on the outer wall of the lower end part of the telescopic rod (2); the gear (3) is positioned in the cavity of the telescopic rod (2), and the gear (3) is arranged on an output shaft of the motor; the first connecting rod (4) is fixed at the lower left of the gear (3); the second connecting rod (5) is fixed at the right lower part of the gear (3); the upper end of the pressing plate (6) is respectively connected with the first connecting rod (4) and the second connecting rod (5), and the pressing plate (6) is used for extruding the optical fiber; the pressure sensor (7) is positioned in the pressure plate (6), and the pressure sensor (7) is used for detecting the pressure on the optical fiber;
arc-shaped grooves are uniformly formed in the lower end face of the pressing plate (6), and are used for increasing the friction force between the optical fibers and the pressing plate (6);
the gear (3) comprises an outer gear ring (31), a connecting disc (32) and a cylinder (33); the outer gear ring (31) is of an annular structure, and a plurality of circular grooves are formed in the inner wall of the outer gear ring (31) in the circumferential direction; the connecting disc (32) is positioned inside the outer gear ring (31), and the connecting disc (32) is connected with an output shaft of the motor; the number of the cylinders (33) is the same as that of the circular grooves, the cylinders (33) are circumferentially fixed on the outer wall of the connecting disc (32), piston rods of the cylinders (33) can stretch in the circular grooves, and the cylinders (33) are used for connecting the outer gear ring (31) with the connecting disc (32).
2. The special die for multi-angle pressure test of the quantum secret communication transmission optical fiber as claimed in claim 1, wherein: connecting rod one (4), connecting rod two (5) and gear (3) are through welded mode fixed connection, and the tip parallel arrangement of connecting rod one (4) and connecting rod two (5) has a plurality of lug, and gear (3) and the corresponding recess that sets up in junction of connecting rod one (4), connecting rod two (5), the lug is located the recess, and the setting up of lug and recess makes the welding more firm.
3. The special die for multi-angle pressure test of the quantum secret communication transmission optical fiber as claimed in claim 2, wherein: and stress relief cavities (8) are further formed in the joints of the first connecting rod (4), the second connecting rod (5) and the gear (3), and the stress relief cavities (8) are used for relieving stress at the welding positions.
4. The special die for multi-angle pressure test of the quantum secret communication transmission optical fiber as claimed in claim 1, wherein: a fastening spring (9) is also arranged on the pressing die (1); fastening spring (9) left end is connected on connecting rod (4), and fastening spring (9) right-hand member is connected on connecting rod two (5), and both ends symmetry is fixed about fastening spring (9), and fastening spring (9) buckle from the middle part, and fastening spring (9) middle part bending point is fixed in clamp plate (6) upper end midpoint department, and fastening spring (9) are used for preventing clamp plate (6) from the bending of centre department.
5. The special die for multi-angle pressure test of the quantum secret communication transmission optical fiber as claimed in claim 4, wherein: a hollow pipeline is arranged in the fastening spring (9), air is filled in the hollow pipeline, and the hollow pipeline is used for adjusting the rigidity of the fastening spring (9); the fastening spring (9) is further provided with a gas injection port (91), and the gas injection port (91) is used for injecting air into the fastening spring (9) or discharging the air in the fastening spring (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810786175.8A CN108871967B (en) | 2018-07-17 | 2018-07-17 | Special multi-angle pressure test die for quantum secret communication transmission optical fiber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810786175.8A CN108871967B (en) | 2018-07-17 | 2018-07-17 | Special multi-angle pressure test die for quantum secret communication transmission optical fiber |
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| Publication Number | Publication Date |
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| CN108871967A CN108871967A (en) | 2018-11-23 |
| CN108871967B true CN108871967B (en) | 2020-11-20 |
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| CN201810786175.8A Active CN108871967B (en) | 2018-07-17 | 2018-07-17 | Special multi-angle pressure test die for quantum secret communication transmission optical fiber |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5410396A (en) * | 1993-01-11 | 1995-04-25 | Hughes Aircraft Company | Automated test station for performing a variety of tests on optical fiber under tension |
| JP2012047734A (en) * | 2010-07-27 | 2012-03-08 | Nagano Keiki Co Ltd | Spray pressure measuring apparatus |
| CN203849106U (en) * | 2014-05-28 | 2014-09-24 | 长春大学 | Special mold for testing angled pressure of quantum private communication transmission fiber |
| CN206084859U (en) * | 2016-10-20 | 2017-04-12 | 北京世纪海森防水材料有限公司 | Tight structure of clamp of waterproof test mould |
| CN206296760U (en) * | 2016-12-01 | 2017-07-04 | 黄石市众捷模具有限公司 | A kind of pottery clay plates extrusion die extrusion sanding apparatus |
-
2018
- 2018-07-17 CN CN201810786175.8A patent/CN108871967B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5410396A (en) * | 1993-01-11 | 1995-04-25 | Hughes Aircraft Company | Automated test station for performing a variety of tests on optical fiber under tension |
| JP2012047734A (en) * | 2010-07-27 | 2012-03-08 | Nagano Keiki Co Ltd | Spray pressure measuring apparatus |
| CN203849106U (en) * | 2014-05-28 | 2014-09-24 | 长春大学 | Special mold for testing angled pressure of quantum private communication transmission fiber |
| CN206084859U (en) * | 2016-10-20 | 2017-04-12 | 北京世纪海森防水材料有限公司 | Tight structure of clamp of waterproof test mould |
| CN206296760U (en) * | 2016-12-01 | 2017-07-04 | 黄石市众捷模具有限公司 | A kind of pottery clay plates extrusion die extrusion sanding apparatus |
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|---|---|
| CN108871967A (en) | 2018-11-23 |
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