CN113063673B

CN113063673B - A testing arrangement for optic fibre intensity

Info

Publication number: CN113063673B
Application number: CN202110353910.8A
Authority: CN
Inventors: 刘丛巍
Original assignee: Shandong Longwei Testing Technology Co ltd
Current assignee: Shandong Longwei Testing Technology Co.,Ltd.
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-11-23
Anticipated expiration: 2041-04-01
Also published as: CN113063673A

Abstract

The invention belongs to the technical field of optical fiber testing, and particularly relates to a testing device for optical fiber strength, which comprises a bottom plate with supporting legs welded at four corners of the outer wall of the bottom, side plates welded on the outer walls of two sides of the bottom plate, a same table plate welded on the outer wall of one side opposite to the side plates, a limiting end plate fixedly mounted at the middle end of the table plate, a fixed end block and a pulling block respectively connected at two ends of the limiting end plate in a sliding manner, arc bottom notches and arc bottom short grooves which are distributed equidistantly are formed in the top ends of the fixed end block and the pulling block, and the arc bottom notches and the arc bottom short grooves are distributed in a staggered manner. According to the invention, the arc bottom notch, the arc bottom short groove, the arc bottom inserting end and the short plug pin are arranged, so that the optical fiber is effectively fixed in the mutual fitting process; through set up in the trapezoidal piece that attaches of inserting end, the relative one side of participating in at the bottom of the arc notch, the short groove of arc end and arc, can effectively improve the fixed stability of optic fibre to guarantee going on smoothly of test operation.

Description

A testing arrangement for optic fibre intensity

Technical Field

The invention relates to the technical field of optical fiber testing, in particular to a testing device for optical fiber strength.

Background

Optical fibers are short for optical fibers, and are fibers made of glass or plastic that can be used as a light conducting means. The polymer optical fiber is only used for controlling and decorating automobile lighting lamps at the beginning of development. The display element is mainly used in the aspects of medicine, decoration, automobiles, ships and the like. In the fields of communication and image transmission, polymer optical fibers are increasingly used, and are industrially used for light guides, display panels, signs, switch-type lighting control, optical sensors, and the like. The optical fiber is used as a mainstream mode of broadband access, has the advantages of large communication capacity, long relay distance, good confidentiality, strong adaptability, small size, light weight, wide raw material source, low price and the like, and can be expected to be widely applied to broadband internet access in the future.

Optical fibers often need to be tested for strength during their manufacturing process. The general structural design of traditional optic fibre intensity testing arrangement is simple, and is not good enough to the fixed effect of optic fibre tip, takes place to become flexible easily in the test procedure to influence the testing result, so have certain limitation.

In view of the above, the present invention provides a testing apparatus for testing optical fiber strength and a testing method thereof, so as to solve the technical problems in the prior art.

Disclosure of Invention

Based on the technical problems that the conventional optical fiber strength testing device is simple in structural design, the fixing effect on the end part of the optical fiber is not good enough, and looseness is easy to occur in the testing process, the invention provides the optical fiber strength testing device and the optical fiber strength testing method.

The invention provides a testing device for optical fiber strength, which comprises a bottom plate with supporting legs welded at four corners of the outer wall of the bottom, side plates welded at the outer walls of two sides of the bottom plate, a same table plate welded at the outer wall of the opposite side of the side plates, a limiting end plate fixedly arranged at the middle end of the table plate, a fixed end block and a pulling block respectively connected at two ends of the limiting end plate in a sliding manner, arc bottom notches and arc bottom short grooves distributed at equal intervals are respectively arranged at the top ends of the fixed end block and the pulling block, the arc bottom notches and the arc bottom short grooves are distributed in a staggered manner, pressing blocks are respectively clamped at the top ends of the fixed end block and the pulling block, the outer wall of the bottom of each pressing block is respectively provided with an arc bottom inserting end and a short inserting pin matched with the arc bottom notches and the arc bottom short grooves, the four corners of each pressing block are respectively provided with adsorption magnetic pins, and the four corners of the outer walls of the top of the fixed end block and the pulling block are respectively provided with slots matched with the adsorption magnetic pins, the opposite ends of the fixed end block and the pulling block are provided with reserved grooves, a tension sensor is fixed on one side of the fixed end block opposite to one side of the side plate through a screw, a display is fixed on one side of the side plate close to the tension sensor through a bolt, temperature adjusting mechanisms are installed on two sides of the middle end of the bedplate, and trapezoidal auxiliary blocks distributed equidistantly are arranged on one side of the arc bottom notch, the arc bottom short groove opposite to the arc bottom inserting end and the arc bottom inserting end.

Preferably, the temperature adjusting mechanism comprises an installation vertical plate welded on one side of the outer wall of the top of the bedplate, and the outer wall of the opposite side of the installation vertical plate is fixedly provided with an electric telescopic rod horizontally arranged through bolts.

Preferably, two electric telescopic handle's extension rod tip all is fixed with half copper pipe of cooling through the bolt, and the outside both ends of two half copper pipes of cooling all are fixed with the semiconductor cooler through the bolt.

Preferably, two opposite sides of the half copper pipe of cooling are provided with the sand grip pole and the bar groove of looks adaptation respectively, and one side inner wall of one of them half copper pipe of cooling is fixed with temperature sensor through the screw.

Preferably, pulleys are arranged at four corners of the fixed end block close to the limiting end plate, a first magnetic strip and a second magnetic strip are fixedly arranged on one opposite sides of the fixed end block and the bedplate respectively, the first magnetic strip at the top end is the same as the magnetic pole corresponding to the two opposite sides of the magnetic strips, and the first magnetic strip at the bottom end is opposite to the magnetic pole corresponding to the two opposite sides of the magnetic strips.

Preferably, the same top frame is fixed on the outer wall of the top of the side plate through bolts, and fixed cameras which are obliquely arranged at equal intervals are fixed on one side of the top frame through screws.

Preferably, a limiting notch is formed in one side of the top frame, an L-shaped mounting slip sheet is connected to the inner wall of the limiting notch in a sliding mode, and a mobile camera is fixed to one side of the L-shaped mounting slip sheet through a screw.

Preferably, the same U-shaped rod is fixed to one side of the L-shaped mounting sliding piece and one side of the pulling block through bolts, and the U-shaped rod is connected with the top frame and the side plates in a sliding mode.

Preferably, the relative one side of curb plate is rotated through the bearing and is connected with the screw thread post pole, the bottom outer wall welding of pulling the piece has the drive to link the board, and the drive links the board and is connected through the screw thread with the screw thread post pole, one side of bottom plate is rotated through the bearing and is connected with the transfer line, and the relative one end key-type connection respectively of transfer line and screw thread post pole has intermeshing's driven taper tooth and drive taper tooth, the bottom welding of transfer line has the carousel.

The invention also discloses a testing method of the testing device for the optical fiber strength, which comprises the following steps: the operator reserves proper length at two ends of the optical fiber to be tested and respectively places the optical fiber to be tested at the top ends of the fixed end block and the pulling block, and places the optical fiber into corresponding pressing blocks, and fixes the two ends of the optical fiber by utilizing the fit between the arc bottom inserting end and the short inserting pin and the arc bottom notch and the arc bottom short groove respectively; an operator rotates the rotary table, and drives the threaded post rod to rotate by utilizing the transmission action of the transmission rod, the driving bevel gear and the driven bevel gear, so that the pulling block is pushed by utilizing the driving connecting plate, and the optical fiber tends to be in a stretched straight state; next, an operator controls to start the electric telescopic rod to push the cooling half copper pipe to be closed, and the optical fiber is kept for a period of time at a low temperature by using a semiconductor refrigerator in cooperation with a temperature sensor; after the completion, an operator controls to close the electric telescopic rod, the cooling half copper pipe is retracted, meanwhile, the operator continues to rotate the turntable, the optical fiber is pulled through the pulling block until the optical fiber is broken, and the strength of the optical fiber is subjected to combined analysis through the data of the tension sensor, the fixed camera and the movable camera; and repeating the steps, and testing the strength of the optical fiber at different low temperatures.

The beneficial effects of the invention are as follows:

1. according to the testing device for the optical fiber strength, the effective fixing treatment of the optical fiber can be realized in the mutual fitting process through the arc bottom notch, the arc bottom short groove, the arc bottom inserting end and the short inserting pin; through set up in the trapezoidal piece that attaches of inserting end, the relative one side of participating in at the bottom of the arc notch, the short groove of arc end and arc, can effectively improve the fixed stability of optic fibre to guarantee going on smoothly of test operation.

2. This a testing arrangement for optic fibre intensity, through the temperature adjustment mechanism who sets up, can be through semiconductor refrigerator, half copper pipe of cooling, realize effectively cooling down the processing to optic fibre, make it be in low temperature environment, be favorable to testing the influence of different low temperatures to optic fibre intensity.

3. According to the testing device for the strength of the optical fiber, the friction force between the fixed end block and the bedplate can be effectively reduced through the arranged pulleys; the first magnetic strip and the second magnetic strip are mutually exclusive and adsorb to offset the gravity of the fixed end block, so that the friction force is further reduced, the real data detected by the tension sensor is ensured, and the testing accuracy is improved.

4. This a testing arrangement for optic fibre intensity, through the removal camera that sets up, can cooperate the effect of U-shaped pole, follows the pulling piece and removes to the fixed camera that sets up is fixed in the cooperation, guarantees to catch the optic fibre fracture in the twinkling of an eye accurately, makes things convenient for subsequent analysis.

Drawings

Fig. 1 is a schematic structural diagram of an overall structure of a testing apparatus for optical fiber strength according to the present invention;

FIG. 2 is an enlarged schematic view of the optical fiber strength testing apparatus shown in FIG. 1;

FIG. 3 is a schematic view of a drawing block of the testing apparatus for testing the strength of an optical fiber according to the present invention in a partially cut-away perspective structure;

FIG. 4 is an enlarged schematic view of a testing device for testing the strength of an optical fiber according to the present invention at B in FIG. 1;

FIG. 5 is a schematic partial perspective view of a platen of an apparatus for testing optical fiber strength according to the present invention;

fig. 6 is a schematic view of a partially enlarged structure of a cooling half copper tube of the optical fiber strength testing device according to the present invention.

In the figure: 1. a base plate; 2. a side plate; 3. a drive link plate; 4. pulling the block; 5. adsorbing the magnetic pins; 6. a U-shaped rod; 7. a top frame; 8. inserting the end at the arc bottom; 9. an L-shaped mounting sliding sheet; 10. moving the camera; 11. a temperature sensor; 12. fixing the camera; 13. briquetting; 14. short pins; 15. a fixed end block; 16. a tension sensor; 17. a display; 18. a driven conical tooth; 19. driving the bevel gear; 20. a transmission rod; 21. a turntable; 22. installing a vertical plate; 23. a platen; 24. a threaded post; 25. a trapezoidal auxiliary block; 26. reserving a groove; 27. a slot; 28. a notch at the arc bottom; 29. a short arc bottom groove; 30. a first magnetic strip; 31. a second magnetic strip; 32. a pulley; 33. a semiconductor refrigerator; 34. an electric telescopic rod; 35. cooling the half copper pipe; 36. a limiting end plate; 37. a strip-shaped groove; 38. a cam lever.

Detailed Description

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-6, a testing device for optical fiber strength, including bottom plate 1 with supporting legs welded at four corners of outer wall of bottom, side plates 2 are welded at outer walls of two sides of bottom plate 1, the same platen 23 is welded at outer wall of one side opposite to side plate 2, and a limit end plate 36 is fixedly installed at middle end of platen 23, two ends of limit end plate 36 are respectively connected with fixed end block 15 and pulling block 4 in sliding mode, arc bottom notches 28 and arc bottom short grooves 29 which are distributed equidistantly are arranged at top ends of fixed end block 15 and pulling block 4, arc bottom notches 28 and arc bottom short grooves 29 are distributed in staggered mode, pressing block 13 is clamped at top ends of fixed end block 15 and pulling block 4, outer wall of bottom of pressing block 13 is respectively provided with arc bottom inserting ends 8 and short pins 14 which are matched with arc bottom notches 28 and arc bottom short grooves 29, four corners of pressing block 13 are provided with adsorption magnetic pins 5, and four corners of outer wall of top of fixed end block 15 and pulling block 4 are provided with insertion ends which are matched with adsorption magnetic pins 5 The groove 27, the opposite ends of the fixed end block 15 and the pulling block 4 are both provided with a reserved groove 26, one side of the fixed end block 15 opposite to the side plate 2 is fixed with a tension sensor 16 through a screw, one side of the side plate 2 close to the tension sensor 16 is fixed with a display 17 through a bolt, two sides of the middle end of the bedplate 23 are provided with temperature adjusting mechanisms, and the opposite sides of the arc bottom notch 28, the arc bottom short groove 29, the arc bottom inserting end 8 and the short pin 14 are both provided with trapezoidal auxiliary blocks 25 which are distributed equidistantly; by means of the structure, the arc bottom notch 28 and the arc bottom short groove 29, the arc bottom inserting end 8 and the short pin 14 are arranged, so that the optical fibers can be effectively fixed in the mutual matching process; the trapezoidal attachment block 25 can bend the optical fiber itself, thereby further improving the stability of the optical fiber when fixed.

Further, the temperature adjusting mechanism comprises an installation vertical plate 22 welded on one side of the outer wall of the top of the bedplate 23, and the outer wall of the opposite side of the installation vertical plate 22 is fixed with a horizontally arranged electric telescopic rod 34 through bolts.

Further, the extension rod end portions of the two electric telescopic rods 34 are all fixed with cooling half copper pipes 35 through bolts, and the two outer ends of the two cooling half copper pipes 35 are both fixed with semiconductor refrigerators 33 through bolts.

Furthermore, the opposite sides of the two cooling half copper pipes 35 are respectively provided with a convex bar 38 and a matched strip-shaped groove 37, and the inner wall of one side of one of the cooling half copper pipes 35 is fixed with a temperature sensor 11 through a screw; the control starts electric telescopic handle 34, promotes half copper pipe 35 of cooling and closes mutually to cooperation temperature sensor 11 utilizes semiconductor cooler 33 to carry out refrigeration treatment to the optic fibre, in order to make things convenient for the test different low temperatures, the intensity change of optic fibre.

Furthermore, pulleys 32 are arranged at four corners of the fixed end block 15 close to the limiting end plate 36, a first magnetic strip 30 and a second magnetic strip 31 are fixedly arranged on opposite sides of the fixed end block 15 and the bedplate 23 respectively, the magnetic pole of the first magnetic strip 30 at the top end is the same as that of the opposite side corresponding to the second magnetic strip 31, and the magnetic pole of the first magnetic strip 30 at the bottom end is opposite to that of the opposite side corresponding to the second magnetic strip 31; with the above structure, the friction force between the fixed end block 15 and the platen 23 can be effectively reduced by the pulley 32; the self gravity of the fixed end block 15 is counteracted by the mutual repulsion and adsorption of the arranged magnetic strips I30 and II 31, so that the friction force is further reduced, the real data detected by the tension sensor 16 are ensured, and the testing accuracy is improved.

Further, the same top frame 7 is fixed on the outer wall of the top of the side plate 2 through bolts, and fixed cameras 12 which are obliquely arranged at equal intervals are fixed on one side of the top frame 7 through screws.

Further, a limiting notch is formed in one side of the top frame 7, an L-shaped mounting sliding sheet 9 is connected to the inner wall of the limiting notch in a sliding mode, and a movable camera 10 is fixed to one side of the L-shaped mounting sliding sheet 9 through screws.

Furthermore, the same U-shaped rod 6 is fixed on one side of the L-shaped mounting sliding sheet 9 and the pulling block 4 through bolts, and the U-shaped rod 6 is connected with the top frame 7 and the side plate 2 in a sliding mode; by means of the structure, the arranged movable camera 10 can move along with the pulling block 4 under the action of the U-shaped rod, so that the fixed camera 12 fixedly arranged is matched, the instant of fiber breakage can be accurately captured, and follow-up analysis is facilitated.

Further, the opposite side of the side plate 2 is rotatably connected with a threaded column rod 24 through a bearing, the outer wall of the bottom of the pulling block 4 is welded with a driving connecting plate 3, the driving connecting plate 3 is connected with the threaded column rod 24 through threads, one side of the bottom plate 1 is rotatably connected with a transmission rod 20 through a bearing, the opposite ends of the transmission rod 20 and the threaded column rod 24 are respectively in key connection with a driven conical tooth 18 and a driving conical tooth 19 which are meshed with each other, and the bottom end of the transmission rod 20 is welded with a rotary table 21.

Example 2

The embodiment discloses a testing method of a testing device for optical fiber strength, which comprises the following steps: the operator reserves proper lengths at the two ends of the optical fiber to be tested and respectively places the optical fiber to be tested at the top ends of the fixed end block 15 and the pulling block 4, places the optical fiber to be tested into the corresponding pressing blocks 13, and respectively fits the arc bottom inserting ends 8 and the short pins 14 with the arc bottom notch 28 and the arc bottom short groove 29 to fix the two ends of the optical fiber; an operator rotates the turntable 21, and drives the threaded post rod 24 to rotate by utilizing the transmission action of the transmission rod 20, the driving bevel gear 19 and the driven bevel gear 18, so that the pulling block 4 is pushed by utilizing the driving connecting plate 3, and the optical fiber tends to be in a stretched straight state; next, the operator controls to start the electric telescopic rod 34, pushes the cooling half copper pipe 35 to close, and uses the semiconductor refrigerator 33 to keep the optical fiber at a low temperature for a period of time by matching with the temperature sensor 11; after the completion, the operator controls to close the electric telescopic rod 34, the cooling half copper pipe 35 is retracted, meanwhile, the operator continues to rotate the turntable 21, the optical fiber is pulled through the pulling block 4 until the optical fiber is broken, and the optical fiber strength is subjected to combination analysis through the data of the tension sensor 16, the fixed camera 12 and the movable camera 10; and repeating the steps, and testing the strength of the optical fiber at different low temperatures.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a testing arrangement for optic fibre intensity, has bottom plate (1) of landing leg including bottom outer wall four corners welding, curb plate (2) have all been welded to the both sides outer wall of bottom plate (1), its characterized in that, the relative one side outer wall welding of curb plate (2) has same platen (23), and the middle-end fixed mounting of platen (23) has spacing end plate (36), the both ends of spacing end plate (36) sliding connection have fixed end block (15) and pull piece (4) respectively, and the top of fixed end block (15) and pull piece (4) all set up the arc end notch (28) and the short groove (29) of arc end that the equidistance distributes, crisscross distribution between arc end notch (28) and the short groove (29) of arc end, the top of fixed end block (15) and pull piece (4) all joint has briquetting (13), and the bottom outer wall of briquetting (13) is provided with arc end notch (28) respectively, An arc bottom inserting end (8) and a short pin (14) which are matched with the arc bottom short groove (29), four corners of the pressing block (13) are provided with adsorption magnetic pins (5), and four corners of the outer wall of the top of the fixed end block (15) and the pulling block (4) are provided with slots (27) matched with the adsorption magnetic feet (5), the opposite ends of the fixed end block (15) and the pulling block (4) are both provided with a reserved groove (26), a tension sensor (16) is fixed on one side of the fixed end block (15) opposite to the side plate (2) through a screw, and one side of the side plate (2) close to the tension sensor (16) is fixed with a display (17) through a bolt, temperature adjusting mechanisms are installed on two sides of the middle end of the bedplate (23), and trapezoidal auxiliary blocks (25) distributed at equal intervals are arranged on opposite sides of the arc bottom notch (28), the arc bottom short groove (29), the arc bottom inserting end (8) and the short pin (14).

2. The device for testing the strength of the optical fiber according to claim 1, wherein the temperature adjusting mechanism comprises mounting vertical plates (22) welded to one side of the outer wall of the top of the bedplate (23), and the outer walls of the opposite sides of the mounting vertical plates (22) are fixed with horizontally arranged electric telescopic rods (34) through bolts.

3. The optical fiber strength testing device according to claim 2, wherein the end portions of the extending rods of the two electric telescopic rods (34) are respectively fixed with a cooling half copper pipe (35) through bolts, and the two outer ends of the two cooling half copper pipes (35) are respectively fixed with a semiconductor refrigerator (33) through bolts.

4. The optical fiber strength testing device according to claim 3, wherein the opposite sides of the two cooling half copper pipes (35) are respectively provided with a convex bar (38) and a matched strip-shaped groove (37), and the inner wall of one side of one cooling half copper pipe (35) is fixed with a temperature sensor (11) through a screw.

5. The device for testing the strength of the optical fibers according to claim 1, wherein pulleys (32) are arranged at four corners of the fixed end block (15) close to the limiting end plate (36), a first magnetic strip (30) and a second magnetic strip (31) are fixedly arranged on one side of the fixed end block (15) opposite to the platen (23), the magnetic poles of the first magnetic strip (30) at the top end are the same as those of the opposite side corresponding to the second magnetic strip (31), and the magnetic poles of the first magnetic strip (30) at the bottom end are opposite to those of the opposite side corresponding to the second magnetic strip (31).

6. The device for testing the strength of the optical fiber according to claim 1, wherein the top outer wall of the side plate (2) is fixed with the same top frame (7) through bolts, and one side of the top frame (7) is fixed with fixed cameras (12) which are obliquely arranged at equal intervals through screws.

7. The device for testing the strength of the optical fiber according to claim 6, wherein one side of the top frame (7) is provided with a limiting notch, the inner wall of the limiting notch is slidably connected with an L-shaped mounting slide sheet (9), and one side of the L-shaped mounting slide sheet (9) is fixed with a movable camera (10) through a screw.

8. The device for testing the strength of the optical fiber according to claim 7, wherein the same U-shaped rod (6) is fixed on one side of the L-shaped mounting slide (9) and the pull block (4) through bolts, and the U-shaped rod (6) is connected with the top frame (7) and the side plate (2) in a sliding manner.

9. The optical fiber strength testing device according to claim 1, wherein a threaded post rod (24) is rotatably connected to one side of the side plate (2) opposite to the side plate through a bearing, a driving connecting plate (3) is welded to the outer wall of the bottom of the pulling block (4), the driving connecting plate (3) is connected with the threaded post rod (24) through threads, a transmission rod (20) is rotatably connected to one side of the bottom plate (1) through a bearing, the transmission rod (20) and one end of the threaded post rod (24) opposite to each other are respectively in key connection with a driven conical tooth (18) and a driving conical tooth (19) which are meshed with each other, and a rotary table (21) is welded to the bottom end of the transmission rod (20).