CN112924272A - Tensile test method and tensile equipment for core of mineral insulated flexible fireproof cable - Google Patents
Tensile test method and tensile equipment for core of mineral insulated flexible fireproof cable Download PDFInfo
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- CN112924272A CN112924272A CN202110085965.5A CN202110085965A CN112924272A CN 112924272 A CN112924272 A CN 112924272A CN 202110085965 A CN202110085965 A CN 202110085965A CN 112924272 A CN112924272 A CN 112924272A
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- 238000009864 tensile test Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 19
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 14
- 239000011707 mineral Substances 0.000 title claims abstract description 14
- 238000006073 displacement reaction Methods 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 12
- 238000004891 communication Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process 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
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method 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
- G01N3/02—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
- G01N3/06—Special adaptations of indicating or recording means
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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
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
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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
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
-
- 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
- G01N2203/0003—Steady
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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
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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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
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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
- G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
- G01N2203/0647—Image analysis
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- 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)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of cable quality detection, in particular to a tensile test method and tensile test equipment for a core of a mineral insulated flexible fireproof cable. According to the invention, the tensile test equipment is used as the basic equipment for the tensile detection of the cable core, the sliding rod is arranged in the rack of the equipment, the sliding rod is provided with the slidable displacement frame, the thrust required by the displacement of the displacement frame is detected before the detection is started, and then the tensile detection of the cable core is realized by using the hydraulic oil cylinder, so that the accuracy of the detection value is realized.
Description
Technical Field
The invention relates to the technical field of cable quality detection, in particular to a tensile test method and tensile equipment for a core of a mineral insulated flexible fireproof cable.
Background
The cable needs to be subjected to tension detection in the production process, and the conventional tension detection equipment cannot comprehensively detect various data of the cable in the tension process and cannot detect the data accurately enough, so that the tension test method and the tension equipment for the core of the mineral insulated flexible fireproof cable are provided for solving the problems.
Disclosure of Invention
The invention aims to provide a tensile test method and tensile equipment for a core of a mineral insulated flexible fireproof cable, wherein the tensile test equipment is used as basic equipment for tensile detection of the core of the cable, a slide rod is arranged in a rack of the equipment, a slidable displacement frame is arranged on the slide rod, before the detection is started, the thrust required by the displacement of the displacement frame is detected, then the tensile detection of the core of the cable is realized by using a hydraulic oil cylinder, the accuracy of a detection value is realized, and by matching with an image acquisition camera, all pictures of the core of the cable in the tensile process can be shot, so that the comprehensive data acquisition of the tensile detection of the core of the cable is realized, the operation is convenient, and the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a mineral insulation flexible fireproof cable sinle silk tensile test equipment, includes the frame, the inside slide bar that four groups are the rectangle and distribute that transversely is provided with of frame, the left and right sides of slide bar all is provided with the displacement frame that slides and set up on the slide bar, be provided with anchor clamps on the displacement frame, the fixed mounting bracket that is provided with in central point of the inside roof of frame and bottom plate position distribution, be provided with the spout on the mounting bracket, it is provided with two sets of displacement mounting panels to slide in the spout, through pressure sensor fixed connection between the mounting panel, the mounting panel outside is through hydraulic cylinder fixed connection on the displacement frame that corresponds, all fixedly on the inside front and back both sides inner wall of frame, the fixed control box that is provided with in frame top, turn right from a left side on the inside bottom plate of, PLC controller and image processing chip, from last down fixed control chip and the GPRS communication module of being provided with in proper order on the inside right side inner wall of control box.
Preferably, the pressure sensor is connected with the control chip through a line, the image acquisition camera is connected with the image processing chip through a line, and the image processing chip is connected with the control chip through a line.
Preferably, the GPRS communication module is connected with the control chip through a circuit, and the GPRS communication module is connected with the cloud processor through a network.
The tensile test method for the core of the mineral insulated flexible fireproof cable is based on the tensile test equipment and specifically comprises the following steps:
1. and (3) resistance detection: under the premise of not putting in a cable, controlling the hydraulic oil cylinder to stretch, detecting a pressure value generated by the displacement frame in the displacement process to the pressure sensor by the pressure sensor in the stretching process of the hydraulic oil cylinder, transmitting information to a control chip, and recording the value A by the control chip;
2. fixing the cable between the clamps of the two groups of displacement frames, and controlling the length of the cable between one half and one third of the length of the sliding rod;
3. after the cable is fixed, the PLC is used for controlling the hydraulic oil cylinder to extend, a pressure value between the displacement frames is detected through the pressure sensor, and a detected pressure value curve is transmitted to the control chip;
4. when the cable is disconnected, the control chip detects a numerical curve of the cable bearing tension, obtains a maximum numerical value B of the cable bearing tension, and deducts a resistance numerical value A to obtain an actual numerical value C of the cable bearing tension;
5. each item data that control chip will detect convey the cloud end controller through GPRS communication module and take notes, simultaneously, the cable that will detect the acquisition bears tensile actual numerical value C and shows on the display screen that control chip connects, accomplishes the tensile numerical value detection of this cable.
Compared with the prior art, the invention has the beneficial effects that: through the basic equipment who uses tensile test equipment to detect as cable core pulling force, set up the slide bar in the frame at this equipment, set up slidable displacement frame on this slide bar, before detecting the beginning, detect the required thrust of displacement frame displacement earlier, the back utilizes hydraulic cylinder to realize the pulling force detection to cable core, realize the accuracy nature of detecting numerical value, cooperation image acquisition camera, can shoot the cable core at the whole pictures that is pulling the power in-process, realize the comprehensive data acquisition that cable core pulling force detected, high durability and convenient operation, and is suitable for being generalized to use.
Drawings
FIG. 1 is a schematic diagram of the tensile test method for the core of the mineral insulated flexible fireproof cable and the overall structure of the tensile test equipment.
In the figure: 1. a frame; 2. a slide bar; 3. a displacement frame; 4. a clamp; 5. a mounting frame; 6. a chute; 7. a displacement mounting plate; 8. a pressure sensor; 9. a hydraulic cylinder; 10. an image acquisition camera; 11. a control box; 12. a hydraulic controller group; 13. a PLC controller; 14. an image processing chip; 15. a control chip; 16. and a GPRS communication module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the present invention.
Example (b):
referring to fig. 1, the present embodiment provides a technical solution:
including frame 1, frame 1 is inside transversely to be provided with four slide bar 2 that are the rectangle and distribute, the left and right sides of slide bar 2 all is provided with the displacement frame 3 that slides and set up on slide bar 2, be provided with anchor clamps 4 on the displacement frame 3, the central point of the roof and the bottom plate of frame 1 inside puts the fixed mounting bracket 5 that is provided with that distributes, be provided with spout 6 on the mounting bracket 5, it is provided with two sets of displacement mounting panels 7 to slide in the spout 6, through pressure sensor 8 fixed connection between the mounting panel 7, the mounting panel 7 outside is through hydraulic cylinder 9 fixed connection on the displacement frame 3 that corresponds, all fixedly be provided with image acquisition camera 10 on the inside front and back both sides inner wall of frame 1, frame 1 top is fixed and is provided with control box 11, turn right from a left side on the inside bottom plate of control box 11 and fixedly, PLC controller 13 and image processing chip 14, from last down fixed control chip 15 and the GPRS communication module 16 of being provided with in proper order on the inside right side inner wall of control box 11, pressure sensor 8 passes through line connection control chip 15, image acquisition camera 10 passes through line connection image processing chip 14, image processing chip 14 passes through line connection control chip 15, GPRS communication module 16 passes through the network connection high in the clouds treater.
The tensile test method for the core of the mineral insulated flexible fireproof cable is based on the tensile test equipment and specifically comprises the following steps:
1. and (3) resistance detection: under the premise of not putting in a cable, controlling the hydraulic oil cylinder to stretch, detecting a pressure value generated by the displacement frame in the displacement process to the pressure sensor by the pressure sensor in the stretching process of the hydraulic oil cylinder, transmitting information to a control chip, and recording the value A by the control chip;
2. fixing the cable between the clamps of the two groups of displacement frames, and controlling the length of the cable between one half and one third of the length of the sliding rod;
3. after the cable is fixed, the PLC is used for controlling the hydraulic oil cylinder to extend, a pressure value between the displacement frames is detected through the pressure sensor, and a detected pressure value curve is transmitted to the control chip;
4. when the cable is disconnected, the control chip detects a numerical curve of the cable bearing tension, obtains a maximum numerical value B of the cable bearing tension, and deducts a resistance numerical value A to obtain an actual numerical value C of the cable bearing tension;
5. each item data that control chip will detect convey the cloud end controller through GPRS communication module and take notes, simultaneously, the cable that will detect the acquisition bears tensile actual numerical value C and shows on the display screen that control chip connects, accomplishes the tensile numerical value detection of this cable.
The working principle is as follows: through the basic equipment who uses tensile test equipment to detect as cable core pulling force, set up the slide bar in the frame at this equipment, set up slidable displacement frame on this slide bar, before detecting the beginning, detect the required thrust of displacement frame displacement earlier, the back utilizes hydraulic cylinder to realize the pulling force detection to cable core, realize the accuracy nature of detecting numerical value, cooperation image acquisition camera, can shoot the cable core at the whole pictures that is pulling the power in-process, realize the comprehensive data acquisition that cable core pulling force detected, high durability and convenient operation, and is suitable for being generalized to use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a mineral insulation flexible fire prevention cable core tensile test equipment, includes frame (1), its characterized in that: four groups of slide bars (2) which are distributed in a rectangular shape are transversely arranged in the rack (1), displacement frames (3) which are arranged on the slide bars (2) in a sliding manner are arranged on the left side and the right side of each slide bar (2), clamps (4) are arranged on the displacement frames (3), mounting frames (5) are fixedly arranged at the central positions of a top plate and a bottom plate in the rack (1) in a distributed manner, sliding grooves (6) are formed in the mounting frames (5), two groups of displacement mounting plates (7) are arranged in the sliding grooves (6) in a sliding manner, the mounting plates (7) are fixedly connected through pressure sensors (8), the outer sides of the mounting plates (7) are fixedly connected onto the corresponding displacement frames (3) through hydraulic oil cylinders (9), image acquisition cameras (10) are fixedly arranged on the inner walls on the front side and the rear side in the rack (1), and a control box (11), turn right from a left side on the inside bottom plate of control box (11) and fixedly in proper order be provided with hydraulic control unit group (12), PLC controller (13) and image processing chip (14), from last down fixedly in proper order being provided with control chip (15) and GPRS communication module (16) on the inside right side inner wall of control box (11).
2. The mineral insulated flexible fireproof cable core tensile test equipment of claim 1, wherein: the pressure sensor (8) is connected with the control chip (15) through a line, the image acquisition camera (10) is connected with the image processing chip (14) through a line, and the image processing chip (14) is connected with the control chip (15) through a line.
3. The mineral insulated flexible fireproof cable core tensile test equipment of claim 1, wherein: GPRS communication module (16) are through circuit connection control chip (15), GPRS communication module (16) are through network connection high in the clouds treater.
4. A tensile test method for a core of a mineral insulated flexible fireproof cable is characterized by comprising the following steps: based on the tensile test equipment, the tensile test equipment specifically comprises the following steps:
1) and (3) resistance detection: under the premise of not putting in a cable, controlling the hydraulic oil cylinder to stretch, detecting a pressure value generated by the displacement frame in the displacement process to the pressure sensor by the pressure sensor in the stretching process of the hydraulic oil cylinder, transmitting information to a control chip, and recording the value A by the control chip;
2) fixing the cable between the clamps of the two groups of displacement frames, and controlling the length of the cable between one half and one third of the length of the sliding rod;
3) after the cable is fixed, the PLC is used for controlling the hydraulic oil cylinder to extend, a pressure value between the displacement frames is detected through the pressure sensor, and a detected pressure value curve is transmitted to the control chip;
4) when the cable is disconnected, the control chip detects a numerical curve of the cable bearing tension, obtains a maximum numerical value B of the cable bearing tension, and deducts a resistance numerical value A to obtain an actual numerical value C of the cable bearing tension;
5) each item data that control chip will detect convey the cloud end controller through GPRS communication module and take notes, simultaneously, the cable that will detect the acquisition bears tensile actual numerical value C and shows on the display screen that control chip connects, accomplishes the tensile numerical value detection of this cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110085965.5A CN112924272A (en) | 2021-01-22 | 2021-01-22 | Tensile test method and tensile equipment for core of mineral insulated flexible fireproof cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110085965.5A CN112924272A (en) | 2021-01-22 | 2021-01-22 | Tensile test method and tensile equipment for core of mineral insulated flexible fireproof cable |
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| CN112924272A true CN112924272A (en) | 2021-06-08 |
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| CN202110085965.5A Pending CN112924272A (en) | 2021-01-22 | 2021-01-22 | Tensile test method and tensile equipment for core of mineral insulated flexible fireproof cable |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115541392A (en) * | 2022-11-30 | 2022-12-30 | 广东天虹电缆有限公司 | Fireproof cable core tensile test device |
| CN116481924A (en) * | 2023-06-21 | 2023-07-25 | 成都四威科技股份有限公司 | Wire and cable tension testing equipment and testing method thereof |
| CN116793847A (en) * | 2023-08-29 | 2023-09-22 | 天津市小猫线缆股份有限公司 | Flexible mineral insulation fireproof cable core tensile test equipment |
| CN116793556A (en) * | 2023-08-23 | 2023-09-22 | 四川蜀道电气化建设有限公司 | Thread tension testing device and detection method |
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| CN211652354U (en) * | 2020-02-17 | 2020-10-09 | 上海台硕检测仪器有限公司 | Desktop tensile testing machine for cable detection |
| CN111811958A (en) * | 2020-08-20 | 2020-10-23 | 浙江秦山电缆有限公司 | Heat-insulation type cable tension testing device for cable for electric power control |
| CN212110948U (en) * | 2020-04-16 | 2020-12-08 | 浙江高盛输变电设备股份有限公司 | Cable breakage strength detection device |
| CN212228586U (en) * | 2020-05-25 | 2020-12-25 | 河南省三恒实业有限公司 | Cable pulling resistance test equipment |
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2021
- 2021-01-22 CN CN202110085965.5A patent/CN112924272A/en active Pending
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| CN206683958U (en) * | 2017-03-08 | 2017-11-28 | 广东五羊实业发展有限公司 | A kind of cable tension detection device |
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| CN211652368U (en) * | 2020-03-11 | 2020-10-09 | 深圳市远拓体育用品有限公司 | Portable theater cable dynamometer |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115541392A (en) * | 2022-11-30 | 2022-12-30 | 广东天虹电缆有限公司 | Fireproof cable core tensile test device |
| CN116481924A (en) * | 2023-06-21 | 2023-07-25 | 成都四威科技股份有限公司 | Wire and cable tension testing equipment and testing method thereof |
| CN116481924B (en) * | 2023-06-21 | 2023-09-19 | 成都四威科技股份有限公司 | Wire and cable tension testing equipment and testing method thereof |
| CN116793556A (en) * | 2023-08-23 | 2023-09-22 | 四川蜀道电气化建设有限公司 | Thread tension testing device and detection method |
| CN116793556B (en) * | 2023-08-23 | 2023-10-24 | 四川蜀道电气化建设有限公司 | Thread tension testing device and detection method |
| CN116793847A (en) * | 2023-08-29 | 2023-09-22 | 天津市小猫线缆股份有限公司 | Flexible mineral insulation fireproof cable core tensile test equipment |
| CN116793847B (en) * | 2023-08-29 | 2023-11-03 | 天津市小猫线缆股份有限公司 | Flexible mineral insulation fireproof cable core tensile test equipment |
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