CN111458234A - Automatic change fiber connector tensile test equipment - Google Patents

Abstract

The invention discloses an automatic optical fiber connector tensile test equipment, comprising a test rack, a winding roller for fixing an optical fiber jumper is arranged above the test rack, and one end of the optical fiber jumper is wound and fixed on the On the winding drum, the male flange interface at the other end of the optical fiber jumper is detachably connected with a test weight, and the test rack is vertically slidably installed under the winding drum for supporting the test weight The test platform of the test platform is equipped with a platform vertical drive device between the test frame and the bottom end of the test platform; the present invention quantifies the degree of tightening of the interface flange of the optical fiber connector by using the weight of the weight, and the tensile force The test results are more intuitive and accurate, and in addition, the problem of unequal pulling force during manual detection is solved; the invention has reasonable design, convenient operation, low cost, reduces the number of on-site operators, and greatly reduces the work of testers. strength.

Description

Automated Optical Fiber Connector Pull Test Equipment

technical field

The invention belongs to the technical field of optical fibers, and in particular relates to an automatic optical fiber connector tensile test device.

Background technique

The tensile strength of optical fiber is an important index to detect the mechanical properties of optical fiber. Therefore, in the production process of optical fiber, the strength of optical fiber needs to be tested to ensure the quality of optical fiber. At present, most communication optical fiber manufacturers use manual tensile testing for optical fiber tensile testing. The manual tensile testing operation process is complicated, time-consuming and labor-intensive, and the test efficiency is low, and more operators are required to assist in the test, which increases the test cost. In addition, the most important thing is that it is difficult to control the tensile force value of the optical fiber during the test process, which brings a lot of uncertainty to the production test and manufacturing process, and the test data is not accurate enough.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide an automatic optical fiber connector tensile test device with reasonable design, convenient operation, low cost and accurate and reliable measurement.

In order to solve the above-mentioned technical problems, the technical solution of the present invention is: an automatic optical fiber connector tensile test equipment, including a test frame, a winding roller for fixing the optical fiber jumper is arranged above the test frame, and the optical fiber jumper is arranged above. One end of the fiber optic jumper is wound and fixed on the winding drum, the male flange interface of the other end of the optical fiber jumper is detachably connected with a test weight, and the test frame is located below the winding drum for vertical sliding installation. On the test platform supporting the test weight, a platform vertical drive device is arranged between the test frame and the bottom end of the test platform.

As a preferred technical solution, the platform vertical driving device is an electric cylinder that drives the test platform to ascend and descend. One end of the electric cylinder is connected to the test frame, and the other end of the electric cylinder is connected to the test frame. the bottom of the test platform.

As a preferred technical solution, the top end of the test weight is detachably installed with a female flange interface that is matched and inserted with the male flange interface, and the slot of the female flange interface is arranged upward.

As a preferred technical solution, the top end of the test weight is provided with an interface press-fitting groove, the bottom end of the female flange interface extends into the interface press-fitting groove, and the interface press-fitting groove is located in the interface press-fitting groove. The two sides of the female flange interface are respectively provided with interface pressing blocks, and the two interface pressing blocks are fixed on the test weight and the inner ends are respectively pressed on the flanges on both sides of the female flange interface. .

As a preferred technical solution, an upwardly extending SC hanger is installed on the top of the test weight, and a flange press-fitting groove is longitudinally provided on the side end of the SC hanger, and two sides of the flange press-fit groove are opposite to each other. A flange clamping spring sheet is provided for clamping the male flange interface in the flange press-fitting groove, and the top end of the SC hanger is provided with an optical fiber passage groove communicated with the flange press-fitting groove.

As a preferred technical solution, the top of the test weight is provided with an interface press-fitting groove, a hanger fixing block is installed in the interface press-fitting groove, and the SC hanger is fixedly installed on the hanger fixing block.

As a preferred technical solution, a weighted weight is detachably connected to the bottom end of the test weight.

As a preferred technical solution, an operation platform is arranged on the test rack, and a control button for controlling the rise and fall of the test platform is arranged on the operation platform.

As a preferred technical solution, a weight box for holding the test weight is installed on the lower part of the test rack.

As a preferred technical solution, an electrical cabinet for placing electrical control components is also installed on the test rack.

Due to the adoption of the above technical solution, the automatic optical fiber connector tensile test equipment includes a test frame, a winding roller for fixing the optical fiber jumper is arranged above the test frame, and one end of the optical fiber jumper is wound and fixed on the On the winding drum, the male flange interface at the other end of the optical fiber jumper is detachably connected with a test weight, and the test frame is vertically slidably installed under the winding drum for supporting the test. A test platform for weights, a platform vertical drive device is arranged between the test frame and the bottom end of the test platform; the beneficial effects of the present invention are: before testing, the platform vertical drive device is used to control the The test platform rises to the designated position, and the operator winds and fixes the fiber jumper to be tested on the winding drum, puts the test weight on the test platform at the same time, and then attaches the test weight to the fiber jumper. The online male flange interface is quickly docked to complete the feeding operation; then the test platform is controlled to descend to the initial position at a certain speed through the platform vertical drive device, and the test weight is no longer in contact with the test platform at this time. , the optical fiber jumper is in a straight state by the tension of the cable given by the gravity of one end of the weight. At this time, you can set the corresponding time or repeat the number of operations to test the internal optical fiber cable and the optical fiber connector interface of the optical fiber jumper. The connection stability and the tensile strength that the fiber can withstand meet the requirements. The invention quantifies the tightening degree of the interface flange of the optical fiber connector by using the weight of the weight, and the tensile force test result is more intuitive and accurate. The pulling force of each test is the same to ensure the consistency of the test; by using the winding roller to fix the optical fiber jumper, the structure is simple and the design is reasonable; the invention has reasonable design, convenient operation, low cost, and reduces the on-site operator. The number of testers greatly reduces the work intensity of the testers, and can increase the optical fiber tensile test capacity to more than 6 times.

Description of drawings

The following drawings are only intended to illustrate and explain the present invention schematically, and do not limit the scope of the present invention.

in:

1 is a schematic structural diagram of an embodiment of the present invention;

2 is a schematic structural diagram of Embodiment 1 of the test weight of the present invention;

Fig. 3 is the structural representation of the second embodiment of the test weight of the present invention;

In the picture: 1-test rack; 2-fiber jumper; 3-winding drum; 4-male flange interface; 5-test weight; 51-female flange interface; 52-interface pressing block; 53-weighting Weight; 54-test handle; 55-SC hanger; 56-flange press-fit slot; 57-flange snap-on spring plate; 58-optical fiber passage slot; 59-hanger fixing block; 6-test platform; 7 -Vertical drive device of platform; 8-control button; 9-weight box; 10-electrical cabinet.

Detailed ways

The present invention will be further described below with reference to the accompanying drawings and embodiments. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, as those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and are not intended to limit the scope of protection of the claims.

Example 1:

As shown in FIG. 1 , the automatic optical fiber connector tensile test equipment includes a test rack 1, and a winding drum 3 for fixing the optical fiber jumper 2 is arranged above the test rack 1, and the winding drum 3 is rotatably installed On the test rack 1, one end of the optical fiber jumper 2 is wound and fixed on the winding drum 3, and the male flange interface 4 of the other end of the optical fiber jumper 2 is detachably connected with a test weight 5, A test platform 6 for supporting the test weight 5 is vertically slidably installed on the test rack 1 below the winding drum 3 . The bottom end of the test rack 1 and the test platform 6 A platform vertical drive device 7 is arranged therebetween. Before the test, first control the test platform 6 to rise to a designated position through the platform vertical drive device 7, and the operator winds and fixes the fiber jumper 2 to be tested on the winding drum 3, while the test weight is The test weight 5 is placed on the test platform 6, and then the test weight 5 is quickly docked with the male flange interface 4 on the optical fiber jumper 2 to complete the feeding operation; then the test is controlled by the vertical drive device 7 of the platform. The platform 6 descends to the initial position at a certain speed, and the test weight 5 is no longer in contact with the test platform 6 at this time, and the optical fiber jumper 2 is in a straight state by the pulling force given to the cable by the gravity of the weight at one end. At this time, you can test the connection stability between the optical fiber cable inside the optical fiber jumper 2 and the optical fiber connector interface and whether the tensile strength that the optical fiber can withstand meets the requirements by setting the corresponding time or the number of repeated operations. The invention quantifies the tightening degree of the interface flange of the optical fiber connector by using the weight of the weight, and the tensile force test result is more intuitive and accurate. The pulling force of each test is the same, ensuring the consistency of the test; by using the winding drum 3 to fix the optical fiber jumper 2, the structure is simple and the design is reasonable; the present invention has reasonable design, convenient operation, low cost, and reduces on-site operations. The number of personnel greatly reduces the work intensity of the testers, and can increase the optical fiber tensile test capacity to more than 6 times.

In this embodiment, a group of test positions are respectively provided on the left and right sides of the test rack 1 , each group of test positions includes three winding drums 3 , and a test platform 6 is correspondingly provided below the three winding drums 3 , three winding rollers 3 can be used to test three optical fiber jumpers 2, so the device can test six optical fiber jumpers 2 at the same time, and the test capacity is increased by more than 6 times; of course, more winding rollers 3 can be set for Realize automated and efficient production testing; the selection of the radius of the winding drum 3 is larger than the allowable bending radius of the optical fiber jumper 2 (the minimum bending radius of the optical fiber product is not less than 30-50mm), to ensure that the optical fiber can be guaranteed when the optical fiber is fixed and stressed. It will not cause problems such as fiber core cracking and small cracks due to excessive stretching or bending, which can effectively avoid the adverse effect of signal attenuation caused by bending force damage to the fiber after the test is completed; in this embodiment The radius of the winding drum 3 is 80 mm.

The bottom end of the test platform 6 is provided with two vertically arranged guide columns, and the two guide columns slide up and down along the test frame 1 , so that the test platform 6 can ascend and descend.

The platform vertical drive device 7 is an electric cylinder that drives the test platform 6 to ascend and descend. One end of the electric cylinder is connected to the test rack 1, and the other end of the electric cylinder is connected to the test frame 1. Bottom end of platform 6. When the telescopic end of the electric cylinder extends, the test platform 6 is driven to rise, and when the telescopic end of the electric cylinder is retracted, the test platform 6 is driven to descend.

Referring to FIG. 2 , the top of the test weight 5 is detachably mounted with a female flange interface 51 that is mated and plugged with the male flange interface 4 , and the slot of the female flange interface 51 is disposed upward. When in use, the female flange interface 51 and the male flange interface 4 at the end of the optical jumper connector to be tested are inserted together in pairs, so that the test weight 5 is naturally suspended, so that the test weight 5 is suspended. Gravity completely acts on the male flange to be tested, that is, the test of the interface tightness can be completed, and the tensile strength of the optical fiber jumper 2 can also be tested at the same time. Since the female flange interface 51 and the test weight 5 are detachably installed, weights of different weights can be replaced according to different tensile test requirements, and various types of weights (including But it is not limited to the tightness of the interface flange of the SC/FC/LC) optical fiber connector, so that the present invention has a wide application range and is used to meet different test needs.

The top end of the test weight 5 is provided with an interface press-fitting groove, the bottom end of the female flange interface 51 extends into the interface press-fitting groove, and the interface press-fitting groove is located in the female flange interface. Both sides of the 51 are respectively provided with interface pressing blocks 52 , the two interface pressing blocks 52 are fixed on the test weight 5 and the inner ends are respectively pressed against the flanges on both sides of the female flange interface 51 . superior. The bottom end of the female flange interface 51 is provided with flanges on both sides, and the inner ends of the two interface pressing blocks 52 are respectively provided with pressing steps correspondingly pressed on the flanges, so that the female flange interface is formed. 51 is fixed in the interface press-fitting groove. The female flange interface 51 belongs to the prior art and will not be repeated here. In this embodiment, one of the interface press-fitting blocks 52 is fixed on the test weight 5 by hexagon socket screws, and the other interface press-fitting block 52 is fixedly connected to the test weight by thumb screws 5, because the thumb screw has the advantage of being easy to operate, when replacing the female flange interface 51, the thumb screw can be removed manually without using other redundant tools, which has the advantage of convenient operation.

The female flange interface 51 is arranged in the middle of the top end of the test weight 5 . So that when the test weight 5 is suspended, the overall test weight 5 can be kept in a vertical state as much as possible, and no large inclination occurs, which is beneficial to the accuracy of the measurement structure.

When it is necessary to test the optical fiber jumper 2 and the connector interface with a larger tensile force, the weight of the test weight 5 needs to be added. On the one hand, it can be realized by replacing the test weight 5; Additional weights are added to the bottom end of the test weight 5 to increase the weight of the overall weight. Therefore, a weighted weight 53 is detachably connected to the bottom end of the test weight 5 . The bottom end is provided with a hook rod, and the top end of the weighted weight 53 is provided with a hook for hanging on the hook rod, so that weights of different weights can be hung at the bottom end of the test weight 5 according to the needs to meet the requirements. Different pulling force needs.

The top of the test weight 5 is provided with a test handle 54, both ends of the test handle 54 are fixedly connected to the test weight 5 by bolts, and the test handle 54 is inclined to one side and is used for shelter. The female flange interface 51 is described to avoid interference when the female flange interface 51 is inserted with the male flange interface 4 . By adding the test handle 54, it is possible to avoid direct contact with the weight, to prevent the weight from rusting after being contaminated with dirt, and to prevent the weight from rusting, thereby improving the service life of the weight and ensuring the accuracy of the test result.

In this embodiment, the test weight 5 is a 5kg weight, and the weighted weight 53 is a 1kg weight.

The test rack 1 is provided with an operating platform, and the operating platform is provided with a control button 8 that controls the test platform 6 to rise and fall. When the control button 8 is pressed, the electric cylinder pushes the test platform 6 to rise. To the designated position, when the control button 8 is released, the telescopic end of the electric cylinder descends to the initial position at a certain speed.

The lower part of the test rack 1 is installed with a weight box 9 for holding the test weight 5, and the weight box 9 is used for holding the test weights 5 of different weights and processing weights, for Meet different testing needs.

An electrical cabinet 10 for placing electrical control components is also installed on the test rack 1 .

Embodiment 2:

The difference between the second embodiment and the first embodiment is that the structure of the test weight 5 is different, and the rest of the structure is the same, which will not be repeated here. The tensile strength of fiber jumper 2.

Referring to FIG. 3 , in this embodiment, an SC hanger 55 extending upward is installed on the top of the test weight 5 , and a flange pressing groove 56 is longitudinally provided on the side end of the SC hanger 55 . On both sides of the flange press-fitting groove 56, flange clamping spring pieces 57 for clamping the male flange interface 4 in the flange press-fitting groove 56 are oppositely arranged, and the top end of the SC hanger 55 is provided with the The optical fibers connected to the flange press-fitting groove 56 pass through the groove 58 . During the test, the male flange interface 4 at the end of the optical fiber jumper 2 is clamped into the flange pressing groove 56, the optical fiber near the end passes through the optical fiber passing groove 58, and the two flanges are clamped to the spring. The piece 57 firmly clamps the male flange interface 4 in the flange press-fitting groove 56 . Activate the operation button of the tensile tester, and the optical fiber is straightened by the tensile force generated by the gravity of the test weight 5, so that the tensile force bearing condition of the optical fiber jumper 2 can be tested. In this embodiment, the male flange interface 4 is no longer connected to the weight by direct plugging as in the prior art, but the SC hanger 55 replaces the female method of plugging with the male flange interface 4 It adopts the mechanical structure processing module to replace the female flange, which reduces the wear and tear of SC flange connectors after repeated use, which causes the problem that the quick connector is not tightly connected and falls off during the production and testing process, and avoids the problem of personal injury; and the optical fiber connection The connector is a consumable in the testing process. After being replaced with the SC hanger 55, it can be used repeatedly, which saves the cost of testing, and at the same time avoids the need for employees to replace the female flange of the connector multiple times, reducing the workload of the testers; in addition, the SC hanger The mechanical structure of the 55 is stable, and the connection with the tested optical fiber connector is simple and convenient.

When clamping, the male flange interface 4 first presses the two flange clamping spring pieces 57 to both sides, and then extends into the flange clamping groove 56, and then the two flange clamping spring pieces 57 are pressed inwardly. Clamp the male flange interface 4 together, and fix the male flange interface 4.

The top of the test weight 5 is provided with an interface press-fitting groove, the interface press-fitting groove is a rectangular structure, a hanger fixing block 59 is installed in the interface press-fitting groove, and the SC hanger 55 is fixedly installed on the hanger. on the fixing block 59. The hanger fixing block 59 is used as an auxiliary device for installing the SC hanger 55 , and the SC hanger 55 is locked on the hanger fixing block 59 by bolts. The hanger fixing block 59 is fixedly connected to the test weight 5 by a thumb screw. Because the thumb screw has the advantage of being easy to operate, the thumb screw can be removed by hand without using other redundant tools, which has the advantage of convenient operation.

The SC hanger 552 can replace the female flanges of various optical fiber flange connectors, such as SC, FC, LC and other optical fiber connectors.

The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the description are only to illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have Various changes and modifications fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. Automatic change fiber connector tensile test equipment, including the test frame, its characterized in that: the testing machine is characterized in that a winding drum used for fixing the optical fiber jumper wire is arranged above the testing machine frame, one end of the optical fiber jumper wire is wound and fixed on the winding drum, a male flange interface at the other end of the optical fiber jumper wire is detachably connected with a testing weight, the testing machine frame is provided with a testing platform used for bearing the testing weight, and a platform vertical driving device is arranged between the bottom end of the testing platform.

2. The automated fiber optic connector tension testing apparatus of claim 1, wherein: the platform vertical driving device is an electric cylinder for driving the test platform to ascend and descend, one end of the electric cylinder is connected to the test rack, and the other end of the electric cylinder is connected to the bottom end of the test platform.

3. The automated fiber optic connector tension testing apparatus of claim 1, wherein: the top of test weight demountable installation has the female flange interface of pegging graft with the cooperation of public flange interface, the slot of female flange interface sets up.

4. The automated fiber optic connector tension testing apparatus of claim 3, wherein: the top end of the test weight is provided with an interface press-fitting groove, the bottom end of the female flange interface extends into the interface press-fitting groove, interface press-fitting blocks are arranged on two sides of the female flange interface in the interface press-fitting groove respectively, the two interface press-fitting blocks are fixed on the test weight, and the inner ends of the two interface press-fitting blocks are correspondingly pressed on the flanges on two sides of the female flange interface respectively.

5. The automated fiber optic connector tension testing apparatus of claim 1, wherein: the top of test weight is installed the SC that upwards extends and is hung the piece, the SC hangs the side of piece and vertically is provided with flange pressure equipment groove, flange pressure equipment inslot both sides are provided with relatively and are used for adorning public flange interface card flange joint spring leaf in the flange pressure equipment groove, the SC hang the top of piece be provided with the optic fibre of flange pressure equipment groove intercommunication passes through the groove.

6. The automated fiber optic connector tension testing apparatus of claim 5, wherein: the top of test weight is provided with interface pressure equipment groove, install in the interface pressure equipment groove and hang a fixed block, SC hangs a fixed mounting hang on the piece fixed block.

7. The automated fiber optic connector tension testing apparatus of claim 1, wherein: the bottom end of the test weight is detachably connected with a weighting weight.

8. The automated fiber optic connector tension testing apparatus of claim 1, wherein: the test machine is characterized in that an operating platform is arranged on the test machine frame, and a control button for controlling the test platform to ascend and descend is arranged on the operating platform.

9. The automated fiber optic connector tension testing apparatus of claim 1, wherein: and a weight box for containing the test weights is installed at the lower part of the test rack.

10. The automated fiber optic connector tension testing apparatus of any of claims 1 to 9, wherein: and an electric appliance cabinet for placing electric control components is also arranged on the test rack.

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