CN116735362B - Cable tensile testing device - Google Patents
Cable tensile testing device Download PDFInfo
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- CN116735362B CN116735362B CN202311015449.0A CN202311015449A CN116735362B CN 116735362 B CN116735362 B CN 116735362B CN 202311015449 A CN202311015449 A CN 202311015449A CN 116735362 B CN116735362 B CN 116735362B
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- 238000009864 tensile test Methods 0.000 title claims abstract description 29
- 238000012360 testing method Methods 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims description 25
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000003825 pressing Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000013522 software testing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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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
-
- 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
-
- 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
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/34—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by mechanical means, e.g. hammer blows
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/028—One dimensional, e.g. filaments, wires, ropes or cables
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a cable tensile testing device, which relates to the technical field of cable tensile testing and comprises a testing table, wherein a pair of semi-conical clamping blocks are arranged on each bearing frame, locking rings which are opposite to the conical surfaces of the semi-conical clamping blocks are fixed on the sliding frames, two adjusting frames which respectively correspond to the sliding frames are arranged on the testing table, and connecting springs are fixed between the adjusting frames and the sliding frames. According to the invention, the two connecting racks can be driven to move in opposite directions simultaneously through the rotation of the central gear, the two bearing frames can move in opposite directions under the guiding action of the guide block, and the semi-conical clamping blocks arranged on the bearing frames can be abutted against the locking ring, so that the two semi-conical clamping blocks on each bearing frame can be mutually close to each other and clamp and lock the cable, namely, the automatic clamping and locking of the two ends of the cable are realized in the process of stretching the cable, the cable locking operation is not required to be independently carried out, and the tensile test operation of the cable is greatly facilitated.
Description
Technical Field
The invention relates to the technical field of cable tensile testing, in particular to a cable tensile testing device.
Background
The cable is generally a rope-like cable formed by twisting at least two wires of each group of several or groups of wires, each group of wires are mutually insulated, the whole outer surface is covered with a high-insulation coating, and the cable has the characteristics of inner power supply and outer insulation. The information engineering is an engineering such as information network, information application system construction, information resource development, etc. using computer technology and communication technology as main means, and a cable used in the information engineering generally needs to be subjected to a tensile test after the production and processing are completed.
The Chinese patent with the publication number of CN 213957018U discloses a cable tensile testing device, which comprises a base, a fixed block positioned at one end of the base and a testing component positioned at the other end of the base, wherein a first fixed clamp is arranged on the fixed block, the testing component comprises a moving block, a fixed seat positioned at one side of the moving block and a pressure sensor positioned on the fixed seat, a second fixed clamp is arranged on the moving block, the fixed seat is welded on the base, and the pressure sensor is connected with the moving block through a detection spring. But the device is when carrying out actual test operation to the cable, only can carry out the tensile test of cable after carrying out tip fixation to the cable earlier with the help of second fixation clamp and first fixation clamp, can't realize the automatic centre gripping locking effect to the cable when carrying out the pulling operation to the cable, is unfavorable for promoting cable test's operation degree of convenience and efficiency of software testing, aims at prior art's above-mentioned technical defect, provides a cable tensile testing device now, solves above-mentioned problem.
Disclosure of Invention
The invention aims to provide a cable tensile testing device which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a cable tensile testing device, includes the testboard, slidable mounting has a pair of carriage on the testboard, evenly carved with the scale mark on the testboard, every all be provided with a pair of half conical clamping blocks on the carriage, be fixed with the baffle on the carriage, the baffle with be connected with traction assembly between the half conical clamping blocks, slidable mounting has a pair of carriage on the testboard, be fixed with on the carriage with the locking ring that the conical surface of half conical clamping blocks set up relatively, install two alignment brackets that correspond respectively with the carriage on the testboard, the alignment brackets with be fixed with coupling spring between the carriage, the testboard bottom is rotated and is installed the sun gear, the sun gear both sides all are provided with the coupling rack with it meshing, every all be fixed with the guide block on the coupling rack, two the guide block respectively with two carriage is fixed with drive gear on the sun gear, the testboard bottom slidable mounting with the drive rack that drive gear meshes is connected, the testboard bottom rotates, install the carousel on the drive assembly with the carousel.
As an improvement scheme of the invention: the traction assembly comprises a limiting rod fixed on the baffle, a connecting block sleeved on the limiting rod in a sliding manner is fixed at the bottom of the semi-conical clamping block, and a traction spring is fixedly connected between the connecting block and the baffle.
As an improvement scheme of the invention: the test bench is rotatably provided with coaxially fixed adjusting screws with opposite screw threads, the two adjusting frames are respectively in threaded connection with the adjusting screws, and the end parts of the adjusting screws are fixedly provided with a hand crank II.
As an improvement scheme of the invention: the transmission assembly comprises a radial sliding block which is radially and slidably arranged on the turntable, a movable sleeve block which is slidably connected with the test table is fixed on the transmission rack, and a pull rod is hinged between the movable sleeve block and the radial sliding block.
As an improvement scheme of the invention: the transmission assembly further comprises a radial screw rod rotatably mounted on the turntable, and the radial slider is in threaded sleeve connection with the radial screw rod.
As an improvement scheme of the invention: the test bench is rotatably provided with a hand crank I, a driving bevel gear is coaxially fixed on the hand crank I, a driven bevel gear is connected to the driving bevel gear in a meshed mode, and the driven bevel gear is coaxially fixed with the turntable.
As an improvement scheme of the invention: the automatic test bench is characterized in that a locking disc is coaxially fixed on the driven bevel gear, a plurality of positioning teeth are uniformly fixed on the surface of the locking disc along the circumferential direction, a rotating plate is rotatably installed on the test bench, and locking teeth clamped between two adjacent positioning teeth are fixed on the rotating plate.
As an improvement scheme of the invention: an extension plate is fixed on the test board, and a pushing spring is fixedly connected between the extension plate and the rotating plate.
As an improvement scheme of the invention: the inner wall of the semi-conical clamping block is fixedly provided with a plurality of pressing blocks, and the pressing blocks are linearly distributed along the axial direction of the semi-conical clamping block.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the two connecting racks can be driven to move in opposite directions simultaneously through the rotation of the central gear, and the two bearing frames can move in opposite directions under the guiding action of the guide block, so that the semi-conical clamping blocks arranged on the bearing frames can be abutted with the locking ring, the two semi-conical clamping blocks on each bearing frame can be mutually close to each other and clamp and lock the cable, namely, the automatic clamping and locking of the two ends of the cable are realized in the process of stretching the cable, the locking operation of the cable is not required to be independently carried out, and the tensile test operation of the cable is greatly facilitated.
According to the invention, the rotating disc is arranged to rotate, the movable sleeve block is driven to linearly move through the radial sliding block and the pull rod, so that the movable sleeve block drives the connecting rack to linearly move in a reciprocating manner, the transmission gear drives the central gear to alternately rotate clockwise and anticlockwise, repeated tensile testing of the cable can be realized, the tensile testing efficiency of the cable is greatly improved, the position of the radial sliding block can be adjusted through the radial screw rod, the tensile amplitude of the cable is adjusted, and the tensile testing of the cable is more convenient and easy to adjust.
Drawings
FIG. 1 is a schematic view of the structure of the present invention at a certain viewing angle;
FIG. 2 is a schematic view of the structure of the present invention at another view angle;
FIG. 3 is a schematic view of the partial structure of FIG. 1 according to the present invention;
FIG. 4 is a schematic view of the partial structure of FIG. 2 according to the present invention;
FIG. 5 is a schematic diagram of a transmission assembly according to the present invention;
FIG. 6 is a schematic view showing the connection of the locking ring, the sliding frame, the adjusting screw and the like in the present invention;
fig. 7 is a schematic structural view of the locking tooth, the positioning tooth, the locking disk and other parts in the invention.
In the figure: 1-test bench, 2-carrier, 3-guide block, 4-semi-conical clamping block, 5-cable, 6-locking ring, 7-carriage, 8-adjusting screw, 9-adjusting frame, 10-connecting spring, 11-pulling spring, 12-scale mark, 13-pull rod, 14-rotating plate, 15-radial screw, 16-rotating disk, 17-radial slide block, 18-moving sleeve block, 19-driving bevel gear, 20-driving gear, 21-driving rack, 22-crank I, 23-crank II, 24-connecting rack, 25-baffle, 26-pressing block, 27-positioning tooth, 28-connecting block, 29-limiting rod, 30-central gear, 31-pushing spring, 32-locking disk, 33-driven bevel gear, 34-locking tooth, 35-extending plate.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments:
example 1
Referring to fig. 1-7, a cable tensile testing device includes a test bench 1, a pair of bearing frames 2 are slidably mounted on the test bench 1, scale marks 12 are uniformly engraved on the test bench 1, a pair of half cone clamping blocks 4 are respectively arranged on each bearing frame 2, when a cable 5 is tested, the cable 5 passes through the middle of each pair of half cone clamping blocks 4, the bearing frames 2 can slide relative to the test bench 1, and the tensile deformation degree of the cable 5 can be conveniently observed by means of the scale marks 12.
The test bench is characterized in that a baffle 25 is fixed on the bearing frame 2, a traction assembly is connected between the baffle 25 and the semi-conical clamping blocks 4, a pair of sliding frames 7 are slidably arranged on the test bench 1, locking rings 6 which are oppositely arranged with conical surfaces of the semi-conical clamping blocks 4 are fixed on the sliding frames 7, two adjusting frames 9 which respectively correspond to the sliding frames 7 are arranged on the test bench 1, a connecting spring 10 is fixedly arranged between the adjusting frames 9 and the sliding frames 7, a central gear 30 is rotatably arranged at the bottom of the test bench 1, connecting racks 24 meshed with the central gear 30 are respectively arranged on two sides of the central gear 30, guide blocks 3 are respectively fixed with the two bearing frames 2, a transmission gear 20 is coaxially fixed on the central gear 30, a transmission rack 21 meshed with the transmission gear 20 is slidably arranged at the bottom of the test bench 1, and a rotary table 16 is rotatably arranged at the bottom of the test bench 1, and a transmission assembly connected with the transmission rack 21 is arranged on the rotary table 16.
When the turntable 16 rotates, the turntable 16 can drive the movable sleeve block 18 to move and adjust the position of the movable sleeve block relative to the test bench 1 through the transmission assembly, the movable sleeve block 18 drives the connecting rack 24 to slide, the connecting rack 24 is in meshed transmission with the transmission gear 20, the transmission gear 20 rotates and drives the central gear 30 to rotate, and the central gear 30 drives the two connecting racks 24 to move back to back.
Under the guiding effect of the guide block 3, the two bearing frames 2 can move oppositely and slide towards the locking ring 6, when the semi-conical clamping blocks 4 extend into the locking ring 6, the locking ring 6 pushes against the conical surface of the semi-conical clamping blocks 4 to limit, so that the two semi-conical clamping blocks 4 are close to each other and clamp and lock the cable 5, and then the semi-conical clamping blocks 4, the locking ring 6 and the sliding frame 7 continue to slide and stretch the cable 5, the automatic clamping and locking effect on the tensile testing process of the cable 5 is achieved, the end locking and fixing operation of the cable 5 is not required to be independently carried out, the workload is saved, and the operation efficiency of the tensile testing is improved.
The traction assembly of the device comprises a limiting rod 29 fixed on a baffle plate 25, a connecting block 28 which is sleeved on the limiting rod 29 in a sliding manner is fixed at the bottom of a semi-conical clamping block 4, and a traction spring 11 is fixedly connected between the connecting block 28 and the baffle plate 25. The test bench 1 is rotatably provided with an adjusting screw rod 8 which is coaxially fixed and has opposite screw threads, the two adjusting frames 9 are respectively in threaded connection with the adjusting screw rod 8, and the end part of the adjusting screw rod 8 is fixedly provided with a crank handle II23.
Through the arrangement, when the hand crank II23 is screwed, the hand crank II23 can drive the adjusting screw 8 to rotate, the two adjusting screws 8 respectively drive the adjusting frames 9 connected to the hand crank II to slide, the two adjusting frames 9 synchronously and reversely move, the synchronous adjusting effect on the initial compression degree of the connecting spring 10 is achieved, namely, the adjusting effect of the connecting spring 10 on the elastic pushing force of the sliding frame 7 is achieved, the adaptability adjustment can be carried out according to the diameter size difference of the tested cable 5, and when the semi-conical clamping block 4 and the locking ring 6 slide relatively, the semi-conical clamping block 4 can be stably locked and fixed on the cable 5, and the testing effect is well guaranteed.
Example 2
Referring to fig. 1-7, on the basis of embodiment 1, in addition, the transmission assembly includes a radial slide block 17 radially slidably mounted on a turntable 16, a moving sleeve block 18 slidably connected with the test bench 1 is fixed on a transmission rack 21, and a pull rod 13 is hinged between the moving sleeve block 18 and the radial slide block 17. The transmission assembly further comprises a radial screw rod 15 rotatably arranged on the turntable 16, and the radial sliding block 17 is in threaded sleeve connection with the radial screw rod 15.
A hand crank I22 is rotatably arranged on the test bench 1, a drive bevel gear 19 is coaxially fixed on the hand crank I22, a driven bevel gear 33 is connected on the drive bevel gear 19 in a meshed manner, and the driven bevel gear 33 is coaxially fixed with the turntable 16.
When the hand crank I22 is rocked, the hand crank I22 can drive the drive bevel gear 19 to rotate, the drive bevel gear 19 drives the driven bevel gear 33 to rotate, the driven bevel gear 33 can drive the turntable 16 to rotate, the turntable 16 drives the radial sliding block 17 to rotate, the transmission cooperation of the pull rod 13, the movable sleeve block 18, the transmission rack 21 and the transmission gear 20 is utilized, the transmission gear 20 and the central gear 30 are synchronously rotated, at the moment, the two bearing frames 2 can alternately move in opposite directions and in opposite directions, the repeated stretching action on the cable 5 is realized, and the tensile test effect on the cable 5 is greatly improved.
The radial sliding blocks 17 can be driven to radially slide relative to the turntable 16 by screwing the radial screw 15, namely, the rotation radius of the radial sliding blocks 17 is adjusted, so that the sliding stroke of the two bearing frames 2 is adjusted, the stretching degree of the cable 5 can be flexibly adjusted, and the tensile test operation of the cable 5 is greatly facilitated.
In addition, a locking disc 32 is coaxially fixed on the driven bevel gear 33, a plurality of positioning teeth 27 are uniformly fixed on the surface of the locking disc 32 along the circumferential direction, a rotating plate 14 is rotatably mounted on the test bench 1, and locking teeth 34 clamped between two adjacent positioning teeth 27 are fixed on the rotating plate 14. An extension plate 35 is fixed on the test bench 1, and a pushing spring 31 is fixedly connected between the extension plate 35 and the rotating plate 14.
When carrying out single tensile action to cable 5, carousel 16 rotates certain angle, locking dish 32 is rotatory, location tooth 27 and locking tooth 34 relative slip, finally, under the elastic action of pushing against spring 31, the pivoted plate 14 drives locking tooth 34 and can the joint restriction between two adjacent location tooth 27, prevent effectively that locking dish 32 from taking place to reverse for cable 5 receives the tensile treatment of persistence, make cable 5's tensile test stability obtain guaranteeing, operating personnel's operation is also more laborsaving, convenient simultaneously, do not need to hold handle I22 always and maintain carousel 16 stable.
Further, a plurality of pressing blocks 26 are fixed on the inner wall of the semi-conical clamping block 4, the pressing blocks 26 are linearly distributed along the axial direction of the semi-conical clamping block 4, when the two semi-conical clamping blocks 4 are close to each other and clamp the cable 5, the pressing blocks 26 press the cable 5, so that the cable 5 is subjected to a firmer clamping effect, and the cable 5 can be stably pulled after being locked and is not easy to slip.
In summary, the two connecting racks 24 can be driven to move in opposite directions simultaneously by the rotation of the central gear 30, and the two bearing frames 2 can move back to back under the guiding action of the guide block 3, so that the half-cone clamping blocks 4 arranged on the bearing frames 2 can be abutted against the locking ring 6, the two half-cone clamping blocks 4 on each bearing frame 2 can be close to each other and clamp and lock the cable 5, namely, the automatic clamping and locking of the two ends of the cable 5 are realized in the process of stretching the cable 5, the locking operation of the cable 5 is not required to be independently carried out, and the tensile test operation of the cable 5 is greatly facilitated. According to the invention, through the rotation of the turntable 16, the movable sleeve block 18 can be driven to linearly move through the radial sliding block 17 and the pull rod 13, so that the movable sleeve block 18 drives the connecting rack 24 to linearly reciprocate, the transmission gear 20 drives the central gear 30 to alternately rotate clockwise and anticlockwise, repeated tensile testing of the cable 5 can be realized, the tensile testing efficiency of the cable 5 is greatly improved, the position of the radial sliding block 17 can be adjusted through the radial screw rod 15, the tensile amplitude of the cable 5 is adjusted, and the tensile testing of the cable 5 is more convenient and easy to adjust.
It should be noted that, although the present disclosure describes embodiments, each embodiment does not include a separate technical solution, and the description is only for clarity, those skilled in the art should understand that the technical solutions in the embodiments may be properly combined to form other embodiments that can be understood by those skilled in the art, and the above embodiments only represent the preferred embodiments of the present disclosure, and the description is more specific and detailed, but should not be construed as limiting the scope of the claims. It should be noted that modifications, improvements and substitutions can be made by those skilled in the art without departing from the spirit of the invention, which fall within the scope of the present invention. The protection scope of the technical scheme patent is subject to the appended claims.
Claims (5)
1. The utility model provides a cable tensile testing device, includes testboard (1), slidable mounting has a pair of carriage (2) on testboard (1), evenly carved with scale mark (12) on testboard (1), its characterized in that, every all be provided with a pair of half conical clamping block (4) on carriage (2), be fixed with baffle (25) on carriage (2), baffle (25) with be connected with the traction assembly between half conical clamping block (4), slidable mounting has a pair of carriage (7) on testboard (1), be fixed with on carriage (7) with locking ring (6) that the conical surface of half conical clamping block (4) set up relatively, install two on testboard (1) respectively with carriage (7) corresponding alignment jig (9), alignment jig (9) with be fixed with between carriage (7) coupling spring (10), be fixed with sun gear (30) on testboard (1) bottom rotation, sun gear (30) both sides all are provided with and are connected with it with carrier (24) on two guide block (20) and two guide block(s) (20) are fixed on two guide block(s) (20), the test bench (1) bottom slidable mounting with drive rack (21) that drive gear (20) meshing is connected, carousel (16) are installed in rotation of test bench (1) bottom, install on carousel (16) with drive assembly that drive rack (21) are connected, install on test bench (1) rotation coaxial fixed and screw thread opposite direction adjusting screw (8), two adjusting frame (9) respectively with adjusting screw (8) threaded connection, adjusting screw (8) tip is fixed with handle II (23), install handle I (22) on test bench (1) rotation, be fixed with driving bevel gear (19) on handle I (22) coaxial, the last meshing of driving bevel gear (19) is connected with driven bevel gear (33), driven bevel gear (33) with carousel (16) coaxial fixed, coaxial fixed with locking dish (32) on driven bevel gear (33), locking dish (32) surface along the cyclic annular even be fixed with a plurality of positioning tooth (27), install on test bench (1) rotation clamping plate (14) rotation between two adjacent fixed tooth plates (14) on the fixed tooth (34), an abutting spring (31) is fixedly connected between the extending plate (35) and the rotating plate (14).
2. The cable tensile testing device according to claim 1, wherein the traction assembly comprises a limiting rod (29) fixed on the baffle plate (25), a connecting block (28) which is sleeved on the limiting rod (29) in a sliding manner is fixed at the bottom of the semi-conical clamping block (4), and a traction spring (11) is fixedly connected between the connecting block (28) and the baffle plate (25).
3. A cable tension testing device as claimed in claim 1, wherein the transmission assembly comprises a radial slider (17) mounted on the turntable (16) in a radially sliding manner, a movable sleeve block (18) connected with the testing table (1) in a sliding manner is fixed on the transmission rack (21), and a pull rod (13) is hinged between the movable sleeve block (18) and the radial slider (17).
4. A cable tension testing apparatus as recited in claim 3, wherein the transmission assembly further comprises a radial screw (15) rotatably mounted on the turntable (16), the radial slider (17) being threadably received on the radial screw (15).
5. A cable tension testing apparatus according to any one of claims 1-4, wherein a plurality of press blocks (26) are fixed on the inner wall of the semi-conical clamping block (4), and the press blocks (26) are linearly distributed along the axial direction of the semi-conical clamping block (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311015449.0A CN116735362B (en) | 2023-08-14 | 2023-08-14 | Cable tensile testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311015449.0A CN116735362B (en) | 2023-08-14 | 2023-08-14 | Cable tensile testing device |
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| Publication Number | Publication Date |
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| CN116735362A CN116735362A (en) | 2023-09-12 |
| CN116735362B true CN116735362B (en) | 2023-11-10 |
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| CN202311015449.0A Active CN116735362B (en) | 2023-08-14 | 2023-08-14 | Cable tensile testing device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117192224B (en) * | 2023-09-28 | 2024-02-20 | 武汉朗德电气有限公司 | GIS basin-type insulator dielectric loss testing device |
| CN117664708B (en) * | 2024-01-31 | 2024-04-30 | 国网山东省电力公司寿光市供电公司 | Cable toughness detection device and detection method thereof |
| CN118150342A (en) * | 2024-05-09 | 2024-06-07 | 常州市武进天龙发展有限公司 | Quality detection device for shock pad |
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| CN116399735A (en) * | 2023-06-08 | 2023-07-07 | 山东健宇电气有限公司 | Tension testing device for crimping copper connector for distribution box |
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