CN117250093B - Tensile property test equipment of cable - Google Patents
Tensile property test equipment of cable Download PDFInfo
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- CN117250093B CN117250093B CN202311505044.5A CN202311505044A CN117250093B CN 117250093 B CN117250093 B CN 117250093B CN 202311505044 A CN202311505044 A CN 202311505044A CN 117250093 B CN117250093 B CN 117250093B
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- 238000012360 testing method Methods 0.000 title claims abstract description 46
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 238000013459 approach Methods 0.000 claims description 2
- 210000000078 claw Anatomy 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009864 tensile test Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000009471 action Effects 0.000 description 1
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- 230000005540 biological transmission Effects 0.000 description 1
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- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
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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
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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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
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a tensile property testing device of a cable, which comprises a testing table, a first platform and a second platform; the first platform is provided with a first curved plate, two ends of the first curved plate are respectively provided with a clamping jaw assembly used for clamping a cable, and a force detector used for detecting the stress of the cable is arranged between the clamping jaw assembly and the first curved plate; the second platform is provided with a second curved plate protruding towards the first curved plate, and two ends of the second curved plate are respectively and movably connected to the second platform; wherein, the middle part of the lower end surface of the second curved plate is provided with a pushing component which is arranged on the second platform; the pushing component is driven to move along the vertical direction relative to the second platform, so that the curvature radius of the second curved plate is changed, detection of different bending degrees of the cable is realized, and the actual stress condition of the cable is detected through the force detector, so that the tensile property of the cable can be estimated more comprehensively and accurately, the operation is simple and convenient, and the cable bending device is suitable for various scenes of cable manufacture and detection.
Description
Technical Field
The invention relates to the field of cable testing, in particular to tensile property testing equipment for a cable.
Background
The cable consists of single-strand or multi-strand wires and an insulating layer and is used for connecting circuits, electric appliances and the like; when the cable is used in production, the cable needs to be detected, the qualification of the quality of the cable is guaranteed when the cable is used, so that the cable needs to be detected in tensile stress, the situation that the service life of the cable is prolonged due to poor tensile force of the data wire when the cable is used is avoided, and the use of electronic equipment is affected.
The existing cable stretch-resistance detection device comprises two clamping mechanisms which are oppositely arranged, two sections of a cable are clamped by the two clamping mechanisms respectively, and the stretching force of the cable is changed by driving one clamping mechanism to move; the method has the defects that the tensile test of the cable in the straight line direction can be realized, but the actual cable is also provided with a bending wiring condition in the installation process, so that the tensile test effect of the cable in the bending direction is lacked, the detection function is single, the detection result is incomplete, and the situation of hidden danger exists.
In view of this, there is a need for an improvement in cable tensile testing apparatus in the prior art to solve the technical problem of lack of bending tensile detection and hidden danger of use.
Disclosure of Invention
The invention aims to provide a tensile property testing device for a cable, which solves the technical problems.
To achieve the purpose, the invention adopts the following technical scheme:
the tensile property testing equipment of the cable comprises a testing table and a first platform which is connected to the testing table in a sliding manner along the vertical direction, wherein a second platform is arranged below the first platform;
the cable clamping device comprises a first platform, a first bending plate and a clamping jaw assembly, wherein the first bending plate is arranged on the first platform, clamping jaw assemblies for clamping cables are respectively arranged at two ends of the first bending plate, and a force detector for detecting stress of the cables is arranged between the clamping jaw assemblies and the first bending plate;
the second platform is provided with a second curved plate protruding towards the first curved plate, and two ends of the second curved plate are respectively and movably connected to the second platform;
the middle part of the lower end surface of the second curved plate is provided with a pushing component, the pushing component is mounted on the second platform, and the pushing component can move relative to the second platform along the vertical direction.
Optionally, two sides of the first curved plate are respectively hinged with a first adjusting rod, and a first locking piece is arranged on the first adjusting rod;
the two sides of the first platform are respectively provided with a first adjusting groove, one end of the first adjusting rod is slidably connected in the first adjusting grooves, and the first adjusting rod is connected to the first platform through a first locking piece;
the first adjusting rod is driven to move along the first adjusting groove so as to change the curvature radius of the first curved plate.
Optionally, a thread section is arranged on the first adjusting rod;
the first locking piece comprises a first locking bolt and a second locking bolt which are respectively connected with the threaded section in a threaded mode, the first locking bolt is abutted to the upper end face of the first platform, and the second locking bolt is abutted to the lower end face of the first platform.
Optionally, two ends of the first curved plate are respectively provided with a supporting rod, and one end of the first adjusting rod is rotatably connected to the supporting rods;
the preset position of the supporting rod is provided with an installation position, the force detector is arranged at the installation position, and the detection end of the force detector is connected with the clamping jaw assembly.
Optionally, the tensile property testing device of the cable further comprises a driving mechanism installed on the test bench, and a nut member is arranged on the test bench;
the driving mechanism comprises a motor, an output shaft of the motor is connected with a first bevel gear, the first bevel gear is connected with a second bevel gear in a meshed manner, and a driving rod is coaxially arranged on the second bevel gear;
the driving rod is in threaded connection with the nut piece, and the lower end of the driving rod is in rotary connection with the first platform;
the motor operates to drive the first platform to move linearly in a vertical direction.
Optionally, two sides of the second platform are respectively provided with a second adjusting groove extending along the first direction; the first direction is the length direction of the second platform;
the two ends of the second curved plate are respectively hinged with a second adjusting rod, a second locking piece is arranged on the second adjusting rod and used for locking the second adjusting rod on the second platform.
Optionally, the pushing component comprises a push rod, the upper end of the push rod is rotatably connected with a push block, and the push block is abutted with the lower end face of the second curved plate;
the second platform is provided with a threaded connection hole, the push rod is in threaded connection with the threaded connection hole, and the push rod is provided with a rotating handle for pushing the push rod to rotate.
Optionally, the clamping jaw assembly comprises a housing, a first groove body is formed in the housing, and a clamping jaw body is connected in the first groove body in a sliding manner;
an opening part communicated with the first groove body is formed at the first end of the shell, and one end of the clamping jaw body extends out of the opening part to be arranged;
the second end of casing is equipped with adjusting part, adjusting part's one end with clamping jaw body coupling is used for the drive clamping jaw body is followed the slip of first cell body.
Optionally, a threaded hole is formed in the second end of the shell, and the adjusting component comprises a threaded connecting rod which is in threaded connection with the threaded hole;
the first end of the threaded connecting rod is provided with a limiting part, the clamping jaw body is provided with a clamping groove, and the limiting part is rotationally connected in the clamping groove;
the second end of the threaded connecting rod is provided with a handle part, the handle part is driven to rotate, and the threaded connecting rod can be driven to rotate.
Optionally, the width of the first groove body is gradually increased from the first end to the second end;
the clamping jaw body comprises two clamping jaw parts which are arranged at intervals, a bevel part is arranged on one side wall of each clamping jaw part, and the bevel part is attached to the side wall of the first groove body;
when the clamping jaw body slides in the first groove body, the two clamping jaw parts are gradually close to or far away from each other.
Compared with the prior art, the invention has the following beneficial effects: during testing, two ends of the cable are clamped through clamping jaw assemblies at two ends of the first curved plate respectively, the first platform is driven to move downwards along the vertical direction until the cable is abutted against the second curved plate, the first platform continues to move downwards, the second curved plate pushes the cable to be bent, stretched and deformed, and meanwhile the stress condition of the cable is detected through the force detector, so that the cable is bent, stretched and detected; the pushing component can be driven to move relative to the second platform along the vertical direction, so that the curvature radius of the second curved plate is changed, and the detection of different bending degrees of the cable is realized; the tensile property testing equipment can simulate different bending degrees of the cable in actual installation by changing the curvature radius of the second curved plate, and detect the actual stress condition of the cable by the force detector, so that the tensile property of the cable can be estimated more comprehensively and accurately, and the tensile property testing equipment is easy and convenient to operate and is suitable for various scenes of cable manufacture and detection.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
The structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure, and are not intended to limit the scope of the invention, since any modification, variation in proportions, or adjustment of the size, etc. of the structures, proportions, etc. should be considered as falling within the spirit and scope of the invention, without affecting the effect or achievement of the objective.
Fig. 1 is a schematic front view of the tensile property testing apparatus in the present embodiment;
fig. 2 is a schematic structural view of the tensile property testing apparatus in the present embodiment;
FIG. 3 is a schematic front view of the jaw assembly of the tensile testing apparatus in this embodiment;
fig. 4 is a schematic view of a structure in which a clamping jaw assembly of the tensile testing apparatus clamps a cable in the present embodiment;
fig. 5 is a schematic structural view of the grip portion of the tensile property test apparatus in the present embodiment.
Illustration of: 1. a test bench; 2. a first platform; 3. a second platform; 4. a first curved plate; 5. a jaw assembly; 6. a force detector; 7. a second curved plate; 8. a pushing assembly; 9. a first adjusting lever; 10. a first locking member; 11. a first adjustment tank; 12. a first locking bolt; 13. a second locking bolt; 14. a support rod; 15. a driving mechanism; 16. a nut member; 17. a motor; 18. a first bevel gear; 19. a second bevel gear; 20. a driving rod; 21. a second regulating groove; 22. a second adjusting lever; 23. a second locking member; 24. a push rod; 25. a pushing block; 26. rotating the handle; 27. a housing; 28. a first tank body; 29. a clamping jaw body; 30. an opening portion; 31. an adjustment assembly; 32. a threaded connecting rod; 33. a limit part; 34. a clamping groove; 35. a handle portion; 36. a clamping claw part; 37. a bevel portion.
Detailed Description
In order to make the objects, features and advantages of the present invention more comprehensible, the technical solutions in the embodiments of the present invention are described in detail below with reference to the accompanying drawings, and it is apparent that the embodiments described below are only some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. It is noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
Referring to fig. 1 to 5, an embodiment of the present invention provides a tensile property testing apparatus for a cable, including a testing table 1, and a first platform 2 slidably connected to the testing table 1 in a vertical direction, wherein a second platform 3 is disposed below the first platform 2; the first platform 2 is provided with a first curved plate 4, two ends of the first curved plate 4 are respectively provided with a clamping jaw assembly 5 for clamping a cable, and a force detector 6 for detecting the stress of the cable is arranged between the clamping jaw assembly 5 and the first curved plate 4; when the cable is stretched by external force, the tensile force is transmitted to the force detector 6 through the clamping jaw assembly 5, and the detection of the stress condition of the cable is realized by reading the data of the force detector 6.
The second platform 3 is provided with a second curved plate 7 protruding towards the first curved plate 4, and two ends of the second curved plate 7 are respectively and movably connected to the second platform 3; in connection with fig. 1, the second curved plate 7 in this solution is arranged curved upwards for producing an effect affecting the curvature of the cable.
The middle part of the lower end surface of the second curved plate 7 is provided with a pushing component 8, the pushing component 8 is mounted on the second platform 3, and the pushing component 8 can move relative to the second platform 3 along the vertical direction. The pushing component 8 can push the middle part of the second curved plate 7 to increase in the arch height in the vertical direction, and meanwhile, two ends of the second curved plate 7 are close to the middle part, namely, the bending degree of the second curved plate 7 is changed, so that the actual condition of the cable bending test is changed, and the cable can be subjected to tensile tests with different curvature radiuses, so that the cable bending test device is suitable for detecting cables with different performance requirements.
The working principle of the invention is as follows: during testing, two ends of a cable are clamped through clamping jaw assemblies 5 at two ends of the first curved plate 4 respectively, the first platform 2 is driven to move downwards along the vertical direction until the cable is abutted against the second curved plate 7, the first platform 2 continues to move downwards, the second curved plate 7 pushes the cable to be bent, stretched and deformed, and meanwhile, the stress condition of the cable is detected through the force detector 6, so that the detection of bending and stretching of the cable is completed; the pushing component 8 can be driven to move relative to the second platform 3 along the vertical direction, so that the curvature radius of the second curved plate 7 is changed, and the detection of different bending degrees of the cable is realized; compared with the cable tensile testing device in the prior art, the tensile property testing device can simulate different bending degrees of the cable in actual installation by changing the curvature radius of the second curved plate 7, and detect the actual stress condition of the cable by the force detector 6, so that the tensile property of the cable can be more comprehensively and accurately estimated, and the operation is simple and convenient, and the device is suitable for various scenes of cable manufacture and detection.
In the embodiment, the two sides of the first curved plate 4 are respectively hinged with a first adjusting rod 9, and the first adjusting rod 9 is provided with a first locking piece 10; the two sides of the first platform 2 are respectively provided with a first adjusting groove 11, one end of the first adjusting rod 9 can be connected in the first adjusting groove 11 in a sliding way, and the first adjusting rod 9 is connected to the first platform 2 through a first locking piece 10; the first adjustment lever 9 is driven to move along the first adjustment groove 11 to change the radius of curvature of the first curved plate 4.
It should be noted that, in this scheme, through setting up adjustable structure at first curved plate 4, change the radius of curvature of first curved plate 4 to change the chord length of first curved plate 4 lower extreme, thereby realize the tensile test to cable straight line direction, realize the pluralism test function to the cable.
Specifically, a threaded section is arranged on the first adjusting rod 9; the first locking member 10 includes a first locking bolt 12 and a second locking bolt 13 which are respectively screwed to the threaded sections, the first locking bolt 12 abuts against the upper end face of the first platform 2, and the second locking bolt 13 abuts against the lower end face of the first platform 2. The locking limit of the first adjusting rod 9 is realized through two locking bolts which are oppositely arranged; when the first curved plate 4 needs to be adjusted, the second locking bolt 13 is screwed to loosen the first adjusting piece, so that the first curved plate is convenient and quick to use and easy to operate.
Further stated, the two ends of the first curved plate 4 are respectively provided with a supporting rod 14, and one end of the first adjusting rod 9 is rotatably connected to the supporting rod 14; the preset position of the supporting rod 14 is provided with an installation position, the force detector 6 is arranged at the installation position, and the detection end of the force detector 6 is connected with the clamping jaw assembly 5.
In summary, the present solution can further adjust the bending degree of the first curved plate 4 by adjusting the position of the first adjusting lever 9, and this can enable the device to adapt to cables with more kinds and more performance requirements. Meanwhile, the stress condition of the cable can be monitored in real time through the force detector 6, so that the tensile property of the cable can be estimated more accurately, and the whole equipment can be better subjected to tensile property test.
In this embodiment, the tensile property testing apparatus of the cable further includes a driving mechanism 15 mounted on the test bench 1, and the test bench 1 is provided with a nut member 16; the driving mechanism 15 comprises a motor 17, an output shaft of the motor 17 is connected with a first bevel gear 18, the first bevel gear 18 is connected with a second bevel gear 19 in a meshed manner, and a driving rod 20 is coaxially arranged on the second bevel gear 19; the driving rod 20 is in threaded connection with the nut member 16, and the lower end of the driving rod 20 is in rotational connection with the first platform 2;
when the motor 17 works, the output shaft of the motor 17 drives the first bevel gear 18 and the second bevel gear 19 to synchronously rotate, and the bevel gear is used for changing the transmission direction; the second bevel gear 19 drives the driving rod 20 to rotate, and the driving rod 20 moves up and down along the vertical direction in the rotating process of the nut member 16 so as to drive the first platform 2 to move linearly along the vertical direction, thereby pushing the first platform 2 to descend to complete the tensile test of the cable.
In the present embodiment, both sides of the second stage 3 are respectively provided with second regulating grooves 21 extending in the first direction; the first direction is the length direction of the second platform 3; two ends of the second curved plate 7 are respectively hinged with a second adjusting rod 22, the second adjusting rod 22 is provided with a second locking piece 23, and the second locking piece 23 is used for locking the second adjusting rod 22 on the second platform 3. The second locking piece 23 is used for locking the second adjusting rod 22 on the second platform 3, and the design can ensure that the relative position between the second curved plate 7 and the second platform 3 cannot be changed when the cable tensile property test is carried out, so that the accuracy of the test process is ensured.
In this embodiment, the pushing component 8 includes a push rod 24, the upper end of the push rod 24 is rotatably connected with a push block 25, and the push block 25 is abutted against the lower end face of the second curved plate 7; the second platform 3 is provided with a threaded connection hole, the push rod 24 is in threaded connection with the threaded connection hole, and the push rod 24 is provided with a rotating handle 26 for pushing the push rod 24 to rotate.
In operation, the push rod 24 can be driven to move up and down by rotating the handle 26, so that the position of the push block 25 is changed, and the bending degree of the second curved plate 7 is changed. Therefore, the bending degree of the cable can be conveniently adjusted according to the test requirement in the cable tensile property test process, so that the test result has higher reference property and accuracy.
In this embodiment, the clamping jaw assembly 5 includes a housing 27, a first groove 28 is formed on the housing 27, and a clamping jaw body 29 is slidably connected to the first groove 28; an opening 30 communicating with the first groove 28 is formed at the first end of the housing 27, and one end of the jaw body 29 is provided to extend out of the opening 30; the second end of the housing 27 is provided with an adjusting component 31, and one end of the adjusting component 31 is connected with the clamping jaw body 29 and is used for driving the clamping jaw body 29 to slide along the first groove 28.
The clamping jaw body 29 in the scheme can move along the first groove 28 under the action of the adjusting component 31, so that the clamping distance between the two clamping jaw components 5 is adjusted; it should be noted that, because the stroke of this adjusting process is smaller, a small-range stretching adjusting effect on the transverse direction of the cable can be achieved, and the effect of the first adjusting rod 9 and the first curved plate 4 is combined as a secondary adjusting effect, so as to achieve a fine testing effect on the transverse stretching of the cable.
Further illustratively, the second end of the housing 27 is provided with a threaded bore, and the adjustment assembly 31 includes a threaded connecting rod 32, the threaded connecting rod 32 being threadably coupled within the threaded bore; the first end of screw thread connecting rod 32 is provided with spacing portion 33, has seted up draw-in groove 34 on the clamping jaw body 29, and spacing portion 33 rotates to be connected in draw-in groove 34, and setting up of spacing portion 33 and draw-in groove 34 makes screw thread connecting rod 32 rotate the in-process and can not interfere with clamping jaw body 29.
The second end of the threaded connecting rod 32 is provided with a handle portion 35, and the handle portion 35 is driven to rotate, so that the threaded connecting rod 32 can be driven to rotate.
It should be noted that, the specific working procedure of the adjusting component 31 is that the handle portion 35 is screwed to drive the threaded connecting rod 32 to rotate, the threaded connecting rod 32 moves relative to the housing 27 and gradually stretches into the first groove 28 to play a role in pushing the clamping jaw body 29; through this design, not only can control the switching of clamping jaw accurately, but also through rotating handle 26 portion, can also conveniently adjust the tension of clamping jaw to guarantee to grip the cable firmly, guarantee that the cable can remain stable in the test process, thereby guarantee the accuracy of the test result that obtains.
As a preferable solution of this embodiment, the width of the first groove 28 is gradually increased from the first end toward the second end, so as to form a bell-mouth-shaped first groove 28 structure, so that the clamping jaw body 29 can be pushed by the inclined wall surface of the first groove 28 when sliding along the first groove 28, and the two clamping jaw portions 36 gradually approach or separate from each other.
The clamping jaw body 29 comprises two clamping jaw parts 36 which are arranged at intervals, one side wall of the clamping jaw part 36 is provided with a bevel part 37, and the bevel part 37 is attached to the side wall of the first groove body 28; the two jaw portions 36 gradually move toward or away from each other as the jaw body 29 slides along the first slot 28.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (1)
1. The tensile property testing equipment for the cable is characterized by comprising a testing table (1) and a first platform (2) which is connected to the testing table (1) in a sliding manner along the vertical direction, wherein a second platform (3) is arranged below the first platform (2);
the cable clamping device is characterized in that a first curved plate (4) is arranged on the first platform (2), clamping jaw assemblies (5) for clamping cables are respectively arranged at two ends of the first curved plate (4), and a force detector (6) for detecting stress of the cables is arranged between the clamping jaw assemblies (5) and the first curved plate (4);
a second curved plate (7) protruding towards the first curved plate (4) is arranged on the second platform (3), and two ends of the second curved plate (7) are respectively and movably connected to the second platform (3);
the middle part of the lower end surface of the second curved plate (7) is provided with a pushing component (8), the pushing component (8) is mounted on the second platform (3), and the pushing component (8) can move relative to the second platform (3) along the vertical direction;
the two sides of the first curved plate (4) are respectively hinged with a first adjusting rod (9), and a first locking piece (10) is arranged on the first adjusting rod (9);
a first adjusting groove (11) is respectively formed in two sides of the first platform (2), one end of the first adjusting rod (9) is slidably connected in the first adjusting groove (11), and the first adjusting rod (9) is connected to the first platform (2) through a first locking piece (10);
driving a first adjusting lever (9) to move along the first adjusting groove (11) so as to change the curvature radius of the first curved plate (4);
the first adjusting rod (9) is provided with a thread section;
the first locking piece (10) comprises a first locking bolt (12) and a second locking bolt (13) which are respectively connected with the threaded section in a threaded mode, the first locking bolt (12) is abutted against the upper end face of the first platform (2), and the second locking bolt (13) is abutted against the lower end face of the first platform (2);
the two ends of the first curved plate (4) are respectively provided with a supporting rod (14), and one end of the first adjusting rod (9) is rotatably connected to the supporting rods (14);
the preset position of the supporting rod (14) is provided with an installation position, the force detector (6) is arranged at the installation position, and the detection end of the force detector (6) is connected with the clamping jaw assembly (5);
the test bench also comprises a driving mechanism (15) arranged on the test bench (1), wherein a nut member (16) is arranged on the test bench (1);
the driving mechanism (15) comprises a motor (17), wherein an output shaft of the motor (17) is connected with a first bevel gear (18), the first bevel gear (18) is connected with a second bevel gear (19) in a meshed mode, and a driving rod (20) is coaxially arranged on the second bevel gear (19);
the driving rod (20) is in threaded connection with the nut piece (16), and the lower end of the driving rod (20) is in rotary connection with the first platform (2);
the motor (17) operates to drive the first platform (2) to move linearly in a vertical direction;
two sides of the second platform (3) are respectively provided with a second adjusting groove (21) extending along the first direction; the first direction is the length direction of the second platform (3);
two ends of the second curved plate (7) are respectively hinged with a second adjusting rod (22), a second locking piece (23) is arranged on the second adjusting rod (22), and the second locking piece (23) is used for locking the second adjusting rod (22) on the second platform (3);
the pushing component (8) comprises a push rod (24), the upper end of the push rod (24) is rotatably connected with a push block (25), and the push block (25) is abutted with the lower end face of the second curved plate (7);
the second platform (3) is provided with a threaded connection hole, the push rod (24) is in threaded connection with the threaded connection hole, and the push rod (24) is provided with a rotating handle (26) for pushing the push rod (24) to rotate;
the clamping jaw assembly (5) comprises a shell (27), a first groove body (28) is formed in the shell (27), and a clamping jaw body (29) is connected in a sliding manner in the first groove body (28);
an opening (30) communicated with the first groove body (28) is formed at the first end of the shell (27), and one end of the clamping jaw body (29) extends out of the opening (30);
the second end of the shell (27) is provided with an adjusting component (31), and one end of the adjusting component (31) is connected with the clamping jaw body (29) and used for driving the clamping jaw body (29) to slide along the first groove body (28);
a threaded hole is formed in the second end of the shell (27), the adjusting assembly (31) comprises a threaded connecting rod (32), and the threaded connecting rod (32) is in threaded connection with the threaded hole;
a limiting part (33) is arranged at the first end of the threaded connecting rod (32), a clamping groove (34) is formed in the clamping jaw body (29), and the limiting part (33) is rotationally connected in the clamping groove (34);
the second end of the threaded connecting rod (32) is provided with a handle part (35), and the handle part (35) is driven to rotate so as to drive the threaded connecting rod (32) to rotate;
the width of the first groove body (28) is gradually increased from the first end to the second end of the first groove body (28);
the clamping jaw body (29) comprises two clamping claw parts (36) which are arranged at intervals, a bevel part (37) is arranged on one side wall of the clamping jaw part (36), and the bevel part (37) is attached to the side wall of the first groove body (28);
when the clamping jaw body (29) slides along the first groove body (28), the two clamping jaw parts (36) gradually approach to or separate from each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN205175838U (en) * | 2015-09-06 | 2016-04-20 | 李卫国 | Interlocking armoured cable flexibility test machine |
| CN110487652A (en) * | 2019-08-20 | 2019-11-22 | 深圳市铠盛通光电科技有限公司 | Special despatch optical cable alternating bending test system |
| KR102347828B1 (en) * | 2021-11-19 | 2022-01-06 | (주)엠테스 | Bending fatigue test system of power core for floating offshore wind power dynamic cable |
| CN216560082U (en) * | 2021-11-19 | 2022-05-17 | 徐州市建设工程检测中心有限公司 | Bending and flattening performance test device |
| CN114682681A (en) * | 2022-03-31 | 2022-07-01 | 慕思健康睡眠股份有限公司 | Special-shaped plate machining die and machining process |
| CN217605550U (en) * | 2022-06-28 | 2022-10-18 | 上海微创电生理医疗科技股份有限公司 | Enameled wire bending fatigue testing device |
| CN219915147U (en) * | 2023-05-19 | 2023-10-27 | 河南虹光精工电气有限公司 | Cable clamping mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002157927A (en) * | 2000-11-21 | 2002-05-31 | Sumitomo Wiring Syst Ltd | Bend tester for electric wire |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205175838U (en) * | 2015-09-06 | 2016-04-20 | 李卫国 | Interlocking armoured cable flexibility test machine |
| CN110487652A (en) * | 2019-08-20 | 2019-11-22 | 深圳市铠盛通光电科技有限公司 | Special despatch optical cable alternating bending test system |
| KR102347828B1 (en) * | 2021-11-19 | 2022-01-06 | (주)엠테스 | Bending fatigue test system of power core for floating offshore wind power dynamic cable |
| CN216560082U (en) * | 2021-11-19 | 2022-05-17 | 徐州市建设工程检测中心有限公司 | Bending and flattening performance test device |
| CN114682681A (en) * | 2022-03-31 | 2022-07-01 | 慕思健康睡眠股份有限公司 | Special-shaped plate machining die and machining process |
| CN217605550U (en) * | 2022-06-28 | 2022-10-18 | 上海微创电生理医疗科技股份有限公司 | Enameled wire bending fatigue testing device |
| CN219915147U (en) * | 2023-05-19 | 2023-10-27 | 河南虹光精工电气有限公司 | Cable clamping mechanism |
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| CN117250093A (en) | 2023-12-19 |
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