CN112179774A - Mechanical performance testing equipment and method for communication cable sheath - Google Patents
Mechanical performance testing equipment and method for communication cable sheath Download PDFInfo
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- CN112179774A CN112179774A CN202011138877.9A CN202011138877A CN112179774A CN 112179774 A CN112179774 A CN 112179774A CN 202011138877 A CN202011138877 A CN 202011138877A CN 112179774 A CN112179774 A CN 112179774A
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- 238000004891 communication Methods 0.000 title claims abstract description 115
- 238000012360 testing method Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims description 25
- 238000006073 displacement reaction Methods 0.000 claims description 15
- 238000011056 performance test Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 239000004020 conductor Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920003052 natural elastomer Polymers 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
- G01N3/04—Chucks
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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
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
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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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- 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
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
Abstract
The application relates to a mechanical performance testing device of a communication cable sheath, which relates to the field of mechanical performance detection of the communication cable sheath and comprises a rack, an electric cylinder arranged on the rack, an installation frame arranged on an expansion rod of the electric cylinder, a first clamping assembly arranged on the rack, a tension sensor arranged on the installation frame, a second clamping assembly arranged on the tension sensor and a numerical control system arranged on the rack; the mounting rack is positioned above the rack; the second clamping assembly is positioned right above the first clamping assembly, and the first clamping assembly and the second clamping assembly clamp two ends of the communication cable sheath respectively; the tension sensor is electrically connected to the numerical control system. This application can be better carry out mechanical properties to the sheath of communication cable and detect.
Description
Technical Field
The application relates to the field of mechanical performance detection of communication cable sheaths, in particular to a device and a method for testing mechanical performance of a communication cable sheath.
Background
The generic term "conductors" refers to any type of conductors that carry electrical or optical signals. The cable mainly comprises a covered wire, an overhead open wire, a communication cable and a communication optical cable.
In the process of manufacturing the communication cable, a cable sheath is usually required to be wrapped outside the cable, so as to insulate and protect the communication cable, the sheaths are usually made of natural rubber materials or artificially synthesized high polymer materials, before the communication cable leaves a factory, a part of the communication cable needs to be extracted as a sample for test detection, and the communication cable needs to be subjected to transmission performance test, such as a direct current shock method, an alternating current shock method or a pulse emission method.
Disclosure of Invention
In order to better detect the mechanical property of the sheath of the communication cable, the application provides a device and a method for testing the mechanical property of the sheath of the communication cable.
In a first aspect, the present application provides a mechanical performance testing apparatus for a communication cable sheath, which adopts the following technical scheme:
a mechanical performance testing device for a communication cable sheath comprises a rack, an electric cylinder arranged on the rack, a mounting rack arranged on an expansion rod of the electric cylinder, a first clamping assembly arranged on the rack, a tension sensor arranged on the mounting rack, a second clamping assembly arranged on the tension sensor and a numerical control system arranged on the rack;
the mounting rack is positioned above the rack;
the second clamping assembly is positioned right above the first clamping assembly, and the first clamping assembly and the second clamping assembly clamp two ends of the communication cable sheath respectively;
the tension sensor is electrically connected to the numerical control system.
By adopting the technical scheme, when the mechanical property of the communication cable sheath needs to be detected, a worker firstly clamps and fixes one end of the communication cable sheath on the first clamping component, then clamps and fixes the other end of the communication cable sheath on the second clamping component, starts the electric cylinder to extend the telescopic cylinder of the electric cylinder, the telescopic rod of the electric cylinder drives the mounting frame to move, then the distance between the first clamping component and the second clamping component is increased, the communication cable sheath is gradually stretched, in the process that the telescopic rod drives the mounting frame to move, the tension sensor on the mounting frame transmits the tension of the communication cable sheath by the second clamping component to the numerical control system in real time, the telescopic rod of the electric cylinder gradually extends until the communication cable sheath is broken, and then the tension sensor transmits the tension change of the communication cable sheath in the stretching process to the numerical control system, the tension change of the communication cable sheath in the stretching process can be observed through data in the numerical control system by workers.
Optionally, the first clamping assembly includes a first mounting block arranged on the frame, a first clamping block hinged to the first mounting block, a second clamping block hinged to the first mounting block, and a first locking member in threaded connection with the second clamping block;
the clamping device is characterized in that a through hole is formed in the second clamping block, the first locking piece penetrates through the through hole in the second clamping block and is in threaded connection with the first clamping block, and the first locking piece is provided with a state that the first clamping block and the second clamping block are abutted tightly.
Through adopting above-mentioned technical scheme, when the staff carries out the centre gripping to the communication cable sheath, the staff loosens first grip block and second grip block earlier, then puts the one end of communication cable sheath between first grip block and second grip block, then the staff revolves soon first retaining member, makes first grip block and second grip block be close to gradually, presss from both sides the communication cable tightly until first grip block and second grip block.
Optionally, a first clamping protrusion is arranged on the first clamping block, and a second clamping protrusion is arranged on the second clamping block;
the first clamping protrusion and the second clamping protrusion have a state of clamping the communication cable sheath.
Through adopting above-mentioned technical scheme, when first grip block and second grip block carry out the centre gripping to the communication cable sheath, utilize first centre gripping arch and second centre gripping arch to carry out the centre gripping to the communication cable sheath, improved and carried out tensile in-process at the communication cable sheath, first grip block and the stability of second grip block to the centre gripping of communication cable sheath.
Optionally, a first protruding portion is arranged on the first locking member, and the first protruding portion has a state of abutting against the first clamping block.
Through adopting above-mentioned technical scheme, through be equipped with first bellying on first retaining member to the staff of being convenient for uses first retaining member to let first grip block and second grip block press from both sides the better clamp of communication cable sheath.
Optionally, the second clamping assembly comprises a third clamping block hinged to the mounting frame, a fourth clamping block hinged to the mounting frame, and a second locking member in threaded connection with the fourth clamping block;
the third clamping block is provided with a through hole, the second locking piece passes through the through hole on the third clamping block and is in threaded connection with the fourth clamping block,
the second locking piece has a state of tightly abutting the third clamping block and the fourth clamping block.
Through adopting above-mentioned technical scheme, the staff is using first centre gripping subassembly to carry out the centre gripping back to the one end of communication cable, then adjusts the position of third grip block and fourth grip block, places the other end of communication cable sheath between third grip block and fourth grip block, then revolves wrong second retaining member, makes third grip block and fourth grip block press from both sides the communication cable sheath gradually tightly.
Optionally, a third clamping protrusion is arranged on the third clamping block, and a fourth clamping protrusion is arranged on the fourth clamping block;
the third clamping bulge and the fourth clamping bulge have a state of clamping the communication cable sheath.
Through adopting above-mentioned technical scheme, when third grip block and fourth grip block carry out the centre gripping to the communication cable sheath, utilize third centre gripping arch and fourth centre gripping arch to carry out the centre gripping to the communication cable, improved and carried out tensile in-process at the communication cable sheath, third grip block and fourth grip block are to the stability of communication cable sheath centre gripping.
Optionally, a second protruding portion is arranged on the second locking member, and the second protruding portion is in a state of abutting against the third clamping block.
Through adopting above-mentioned technical scheme, through be equipped with the second bellying on the second retaining member to the staff of being convenient for uses the second retaining member to let third grip block and fourth grip block press from both sides the better clamp of communication cable sheath.
Optionally, a displacement sensor is arranged on the mounting frame.
Through adopting above-mentioned technical scheme, through installing displacement sensor on the mount frame to utilize displacement sensor can detect out the length change of communication cable sheath before and after tensile.
Optionally, a first handle is arranged on the first locking member;
the first grab handle is positioned on one side of the first clamping block, which is far away from the second clamping block.
Through adopting above-mentioned technical scheme, the staff of being convenient for twists the first locking piece.
In a second aspect, the present application provides a method for testing mechanical properties of a sheath of a communication cable, which adopts the following technical scheme:
a method for testing the mechanical performance of the sheath of communication cable includes
Placing one end of the communication cable sheath between the first clamping block and the second clamping block, and screwing the first locking piece to enable the first clamping block and the second clamping block to clamp the communication cable sheath;
starting the electric cylinder, and adjusting the position of the second clamping assembly by adjusting the telescopic rod;
placing the other end of the communication cable sheath between the third clamping block and the fourth clamping block, and screwing the second locking piece to enable the third clamping block and the fourth clamping block to clamp the communication cable sheath;
starting the electric cylinder, adjusting the position of the telescopic rod to enable the communication cable sheath to be just in a tight state, and resetting the numerical control system;
and starting the electric cylinder to enable the telescopic rod to continuously extend out until the communication cable sheath is broken, and recording data in the numerical control system.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the mechanical property of the communication cable sheath needs to be detected, a worker clamps and fixes one end of the communication cable sheath on a first clamping component, then clamps and fixes the other end of the communication cable sheath on a second clamping component, an electric cylinder is started to extend an extension cylinder of the electric cylinder, an extension rod of the electric cylinder drives an installation frame to move, then the distance between the first clamping component and the second clamping component is increased, the communication cable sheath is gradually stretched, in the process that the extension rod drives the installation frame to move, a tension sensor on the installation frame transmits the tension of the communication cable sheath by the second clamping component to a numerical control system in real time, the extension rod of the electric cylinder gradually extends until the communication cable sheath is broken, and then the tension sensor transmits the tension change of the communication cable sheath in the stretching process to the numerical control system, the tension change of the communication cable sheath in the stretching process can be observed through data in the numerical control system by workers.
2. When the staff carries out the centre gripping to the communication cable sheath, the staff loosens first grip block and second grip block earlier, then puts the one end of communication cable sheath between first grip block and second grip block again, then the staff revolves soon first retaining member, makes first grip block and second grip block be close to gradually, presss from both sides the tight communication cable clamp with the second grip block until first grip block.
3. After the worker uses the first clamping assembly to clamp one end of the communication cable, the position of the third clamping block and the position of the fourth clamping block are adjusted, the other end of the communication cable sheath is placed between the third clamping block and the fourth clamping block, and then the second locking piece is screwed, so that the third clamping block and the fourth clamping block gradually clamp the communication cable sheath.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Fig. 3 is an enlarged schematic view of part B of fig. 1.
Fig. 4 is a flowchart of a testing method disclosed in an embodiment of the present application.
Description of reference numerals: 1. a frame; 21. an electric cylinder; 22. a mounting frame; 31. a first clamping assembly; 311. a first mounting block; 312. a first clamping block; 3121. a first clamping protrusion; 313. a second clamping block; 3131. a second clamping projection; 314. a first locking member; 3141. a first boss portion; 315. a first grip; 316. a first compression spring; 32. a second clamping assembly; 321. a third clamping block; 3211. a third clamping protrusion; 322. a fourth clamping block; 3221. a fourth clamping projection; 323. a second locking member; 3231. a second boss portion; 324. a second grip; 325. a second compression spring; 4. a numerical control system; 41. a tension sensor; 42. and a displacement sensor.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses mechanical property test equipment of a communication cable sheath.
Referring to fig. 1, the mechanical performance testing device for the communication cable sheath comprises a frame 1, an electric cylinder 21, a mounting frame 22, a first clamping assembly 31, a second clamping assembly 32, a numerical control system 4 and a tension sensor 41.
Be equipped with the workstation on frame 1, electronic jar 21 is installed in frame 1, first centre gripping subassembly 31 is installed on the workstation of frame 1, mounting bracket 22 is installed on electronic jar 21's telescopic link, force sensor 41 is installed on mounting bracket 22, second centre gripping subassembly 32 is installed on force sensor 41, the one end centre gripping of communication cable sheath is on first centre gripping subassembly 31, the other end centre gripping of communication cable sheath is on second centre gripping subassembly 32, electronic jar 21's telescopic link drives mounting bracket 22 and goes up and down, force sensor 41 and second centre gripping subassembly 32 are along with mounting bracket 22 together remove, then second centre gripping subassembly 32 is drawing the communication cable sheath and is stretching, in-process by the tensile communication cable sheath, force sensor 41 transmits the pulling force of second centre gripping subassembly 32 to the numerical control system 4 on.
Referring to fig. 1 and 2, the electric cylinder 21 is vertically installed on the frame 1, an expansion rod of the electric cylinder 21 is disposed upward, and the expansion rod of the electric cylinder 21 can move upward.
The first clamping assembly 31 includes a first mounting block 311, a first clamping block 312, a second clamping block 313, and a first locking member 314.
The first mounting block 311 is fixed on the worktable of the frame 1, and the first mounting block 311 may be fixed on the frame 1 by welding or bolting. The first clamping block 312 and the second clamping block 313 are both hinged to the upper end of the first mounting block 311, the first clamping block 312 and the second clamping block 313 rotate on the first mounting block 311, and in the process of rotating the first clamping block 312 and the second clamping block 313, the first clamping block 312 and the second clamping block 313 can be abutted to one position. The first clamping block 312 is provided with a threaded hole, the second clamping block 313 is provided with a through hole, the first locking member 314 is provided with a thread, the first clamping block 312 is in threaded connection after the first locking member 314 passes through the through hole on the second clamping block 313, the first locking member 314 on the first clamping block 312 is continuously rotated, the first clamping block 312 and the second clamping block 313 are gradually abutted by the first locking member 314, and therefore the communication cable sheath is clamped by the first clamping block 312 and the second clamping block 313.
In order to enable the first clamping block 312 and the second clamping block 313 to better clamp the sheath of the communication cable, the first clamping protrusion 3121 is disposed on the first clamping block 312, the second clamping protrusion 3131 is disposed on the second clamping block 313, both the first clamping protrusion 3121 and the second clamping protrusion 3131 adopt protrusions with cross-strip-shaped anti-slip texture, the first clamping protrusion 3121 is disposed on an end surface of the first clamping block 312, which is abutted against the second clamping block 313, the second clamping protrusion 3131 is disposed on an end surface of the second clamping block 313, which is abutted against the first clamping block 312, when the first clamping block 312 and the second clamping block 313 are abutted against each other, the anti-slip texture on the first clamping protrusion 3121 and the anti-slip texture on the second clamping protrusion 3131 are distributed in a staggered manner, and then the first clamping protrusion 3121 and the second clamping protrusion 3131 clamp the sheath of the communication cable.
In order to enable the first clamping block 312 to be better abutted against the second clamping block 313, the first locking piece 314 is provided with a first protrusion 3141, and when the first locking piece 314 locks the first clamping block 312 with the second clamping block 313, the first protrusion 3141 abuts against the side end face of the second clamping block 313. In order to facilitate the screwing of the first locking member 314, a first handle 315 is provided on the first locking member 314, the axis of the first handle 315 is perpendicular to the axis of the first locking member 314, and the first handle 315 is located on the side of the second clamping block 313 away from the first clamping block 312.
In order to adjust the position between the first holding block 312 and the second holding block 313 better, a first compression spring 316 is disposed on the first handle 315, and the first compression spring 316 is disposed between the first holding block 312 and the second holding block 313.
Referring to fig. 1, mounting bracket 22 is installed on the end face close to the workstation on electric cylinder 21 telescopic link, and force sensor 41 is installed on the end face close to the workstation on mounting bracket 22, and force sensor 41 is located directly over the workstation, and force sensor 41 is connected to numerical control system 4 on electrically, and numerical control system 4 installs on the up end of frame 1, and numerical control system 4 adopts PLC, and numerical control system 4's screen is installed in frame 1. The stress process of the tension sensor 41 is displayed on the screen of the numerical control system 4 in real time.
Referring to fig. 1 and 3, the second clamping assembly 32 is installed at the bottom of the tension sensor 41, and the second clamping assembly 32 includes a third clamping block 321, a fourth clamping block 322, and a second locking member 323. The third clamping block 321 and the fourth clamping block 322 are both hinged to the bottom of the tension sensor 41, and the third clamping block 321 and the fourth clamping block 322 can abut together in the rotating process.
The third clamping block 321 is provided with a threaded hole, the fourth clamping block 322 is provided with a through hole, the second locking member 323 is provided with threads, the second locking member 323 passes through the through hole on the fourth clamping block 322 to be in threaded connection with the third clamping block 321, the second locking member 323 is screwed on the third clamping block 321 gradually, so that the third clamping block 321 and the fourth clamping block 322 are abutted tightly, and at this time, the third clamping block 321 and the fourth clamping block 322 clamp the communication cable sheath tightly.
In order to better clamp the communication cable sheath by the third clamping block 321 and the fourth clamping block 322, a third clamping protrusion 3211 is disposed on the third clamping block 321, a fourth clamping protrusion 3221 is disposed on the fourth clamping block 322, the third clamping protrusion 3211 and the fourth clamping protrusion 3221 both adopt cross-bar-shaped anti-slip protrusions, the third clamping protrusion 3211 is disposed on an end surface abutted to the third clamping block 321 and the fourth clamping block 322, and the fourth clamping protrusion 3221 is disposed on an end surface abutted to the fourth clamping block 322 and the third clamping block 321. When the third clamping block 321 and the fourth clamping block 322 are abutted together, the anti-slip lines on the third clamping protrusion 3211 and the fourth clamping protrusion 3221 are distributed in a staggered manner, and then the third clamping protrusion 3211 and the fourth clamping protrusion 3221 clamp the communication cable sheath.
In order to enable the third clamping block 321 and the fourth clamping block 322 to be better abutted, the second locking member 323 is provided with a second protruding portion 3231, and when the second locking member 323 locks the third clamping block 321 and the fourth clamping block 322, the second protruding portion 3231 abuts against a side end face of the fourth clamping block 322. In order to facilitate the screwing of the second locking member 323, a second handle 324 is provided on the second locking member 323, the axis of the second handle 324 is perpendicular to the axis of the second locking member 325, and the second handle 324 is located on a side of the fourth clamping block 322 away from the third clamping block 321.
In order to adjust the position between the third clamping block 321 and the fourth clamping block 322, a second compression spring 325 is disposed on the second handle 325, and the second compression spring 325 is located between the third clamping block 321 and the fourth clamping block 322.
In order to better detect the communication cable sheath, a displacement sensor 42 is further mounted on the mounting frame 22, a sensing head of the displacement sensor 42 faces the workbench on the rack 1, and a laser beam or ultrasonic wave emitted by the sensing head of the displacement sensor 42 is perpendicular to the workbench on the rack 1, so that the displacement sensor 42 measures the vertical distance from the probe of the displacement sensor 42 to the workbench during the movement.
In the process of stretching the sheath of the communication cable, the displacement sensor 42 transmits the measured distance to the numerical control system 4, and the numerical control system 4 performs a difference between the initial displacement and the final displacement measured by the displacement sensor 42, so as to display the moving distance of the second clamping assembly 32 on the screen in real time.
Referring to fig. 4: the embodiment of the application also discloses a method for testing the mechanical property of the communication cable sheath, and the testing method is used for the equipment for testing the mechanical property of the communication cable sheath disclosed by the embodiment.
S101, clamping and fixing one end of a communication cable sheath
Placing one end of the communication cable sheath between the first clamping block 312 and the second clamping block 313, and then screwing the first locking member 314 to enable the first clamping block 312 and the second clamping block 313 to clamp the communication cable sheath;
s102, adjusting the height of the second clamping component
The electric cylinder 21 is actuated to adjust the position of the second clamping assembly 32 by extending the telescopic rod of the electric cylinder 21
S103, clamping and fixing the other end of the communication cable sheath
Placing the other end of the communication cable sheath between the third clamping block 321 and the fourth clamping block 322, and screwing the second locking piece 323 to enable the third clamping block 321 and the fourth clamping block 322 to clamp the communication cable sheath;
s104, adjusting the communication cable sheath to be in an initial state before stretching
Starting the electric cylinder 21, adjusting the position of an expansion rod of the electric cylinder 21 to enable a communication cable sheath to be just in a tight state, and clearing the numerical control system 4;
s105, stretching the communication cable sheath until the communication cable sheath is broken
And starting the electric cylinder 21, continuously extending the telescopic rod on the electric cylinder 21 until the sheath of the communication cable is broken, and recording the tension data and the displacement data displayed on the screen.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a mechanical properties test equipment of communication cable sheath which characterized in that: the device comprises a rack (1), an electric cylinder (21) arranged on the rack (1), a mounting rack (22) arranged on an expansion link of the electric cylinder (21), a first clamping assembly (31) arranged on the rack (1), a tension sensor (41) arranged on the mounting rack (22), a second clamping assembly (32) arranged on the tension sensor (41) and a numerical control system (4) arranged on the rack (1);
the mounting rack (22) is positioned above the rack (1);
the second clamping assembly (32) is positioned right above the first clamping assembly (31), and the first clamping assembly (31) and the second clamping assembly (32) clamp two ends of the communication cable sheath respectively;
the tension sensor (41) is electrically connected to the numerical control system (4).
2. The apparatus for testing mechanical properties of a sheath of a communication cable according to claim 1, wherein: the first clamping assembly (31) comprises a first mounting block (311) arranged on the frame (1), a first clamping block (312) hinged with the first mounting block (311), a second clamping block (313) hinged with the first mounting block (311), and a first locking piece (314) in threaded connection with the second clamping block (313);
the clamping device is characterized in that a through hole is formed in the second clamping block (313), the first locking piece (314) penetrates through the through hole in the second clamping block (313) to be in threaded connection with the first clamping block (312), and the first locking piece (314) has a state that the first clamping block (312) is abutted against the second clamping block (313).
3. The apparatus for testing mechanical properties of a sheath of a communication cable according to claim 2, wherein: a first clamping protrusion (3121) is arranged on the first clamping block (312), and a second clamping protrusion (3131) is arranged on the second clamping block (313);
the first clamping protrusion (3121) and the second clamping protrusion (3131) have a state of clamping the communication cable sheath.
4. The apparatus for testing mechanical properties of a sheath of a communication cable according to claim 3, wherein: a first protruding part (3141) is arranged on the first locking piece (314), and the first protruding part (3141) is in a state of abutting against the first clamping block (312).
5. The apparatus for testing mechanical properties of a sheath of a communication cable according to claim 2, wherein: the second clamping assembly (32) comprises a third clamping block (321) hinged with the mounting frame (22), a fourth clamping block (322) hinged with the mounting frame (22) and a second locking piece (323) in threaded connection with the fourth clamping block (322);
a through hole is arranged on the third clamping block (321), the second locking piece (323) passes through the through hole on the third clamping block (321) and is in threaded connection with the fourth clamping block (322),
the second locking piece (323) has a state of tightly abutting the third clamping block (321) and the fourth clamping block (322).
6. The apparatus for testing mechanical properties of a sheath of a communication cable according to claim 5, wherein: a third clamping protrusion (3211) is arranged on the third clamping block (321), and a fourth clamping protrusion (3221) is arranged on the fourth clamping block (322);
the third clamping protrusion (3211) and the fourth clamping protrusion (3221) have a state of clamping the communication cable sheath.
7. The apparatus for testing mechanical properties of a sheath of a communication cable according to claim 6, wherein: the second locking piece (323) is provided with a second protruding portion (3231), and the second protruding portion (3231) is in a state of abutting against the third clamping block (321).
8. The apparatus for testing mechanical properties of a sheath of a communication cable according to claim 1, wherein: and a displacement sensor (42) is arranged on the mounting rack (22).
9. The apparatus for testing mechanical properties of a sheath of a communication cable according to claim 4, wherein: a first grab handle (315) is arranged on the first locking piece (314);
the first grab handle (315) is positioned on one side of the first clamping block (312) far away from the second clamping block (313).
10. A mechanical performance test method of a communication cable sheath is characterized by comprising the following steps: comprises that
Placing one end of the communication cable sheath between a first clamping block (312) and a second clamping block (313), and screwing a first locking piece (314) to enable the first clamping block (312) and the second clamping block (313) to clamp the communication cable sheath;
starting the electric cylinder (21), and adjusting the position of the second clamping assembly (32) by adjusting the telescopic rod;
placing the other end of the communication cable sheath between a third clamping block (321) and a fourth clamping block (322), and screwing a second locking piece (323) to enable the third clamping block (321) and the fourth clamping block (322) to clamp the communication cable sheath;
starting the electric cylinder (21), adjusting the position of the telescopic rod to enable the communication cable sheath to be just in a tight state, and clearing the numerical control system (4);
and starting the electric cylinder (21), so that the telescopic rod continuously extends out until the communication cable sheath is broken, and recording data in the numerical control system (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011138877.9A CN112179774A (en) | 2020-10-22 | 2020-10-22 | Mechanical performance testing equipment and method for communication cable sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011138877.9A CN112179774A (en) | 2020-10-22 | 2020-10-22 | Mechanical performance testing equipment and method for communication cable sheath |
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| CN112179774A true CN112179774A (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011138877.9A Pending CN112179774A (en) | 2020-10-22 | 2020-10-22 | Mechanical performance testing equipment and method for communication cable sheath |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903449A (en) * | 2021-01-22 | 2021-06-04 | 福建省南平南线电力电缆有限公司 | Intelligent detection device for performance of cable sheath material and online test method thereof |
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