CN113252459B - Pressure-bearing testing device for low-smoke environment-friendly fireproof low-voltage power cable - Google Patents
Pressure-bearing testing device for low-smoke environment-friendly fireproof low-voltage power cable Download PDFInfo
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- CN113252459B CN113252459B CN202110517114.3A CN202110517114A CN113252459B CN 113252459 B CN113252459 B CN 113252459B CN 202110517114 A CN202110517114 A CN 202110517114A CN 113252459 B CN113252459 B CN 113252459B
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- 238000012360 testing method Methods 0.000 title claims abstract description 40
- 239000000779 smoke Substances 0.000 title claims abstract description 21
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 15
- 241000252254 Catostomidae Species 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000013499 data model Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- 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
- G01N3/12—Pressure testing
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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
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- 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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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Fire Alarms (AREA)
Abstract
The invention relates to the technical field of cable testing devices, and discloses a pressure-bearing testing device for a low-smoke environment-friendly fire-resistant power cable. The pressure-bearing testing device for the low-smoke environment-friendly fireproof low-voltage power cable can adjust different numbers of pressing strips to press the cable according to requirements, so that the comprehensiveness of monitoring data by the direct-current detector is guaranteed, the accuracy of a follow-up data model is guaranteed, and the pressure-bearing testing device is convenient and quick to operate and convenient to use for people.
Description
Technical Field
The invention relates to the technical field of cable testing devices, in particular to a pressure-bearing testing device for a low-smoke environment-friendly fireproof piezoelectric cable.
Background
The cable is an electric energy or signal transmission device, and is usually composed of several or several groups of wires, and is usually a rope-like cable formed by twisting one or several groups of wires, wherein each group of wires are mutually insulated and are often twisted around a center, the whole outer surface of the cable is covered with a high-insulation covering layer, the bearing performance of the cable is an important performance of the cable, the service life and the safety of the cable are directly influenced, the bearing performance of the cable is the influence of the cable on the conductive performance of a wire core in the cable under the condition of heavy pressure, and therefore the bearing performance needs to be tested.
At present, the application document with the publication number of CN111965028A discloses a low smoke environment-friendly pressure-bearing testing device for fire-resistant low voltage power cable, which comprises a frame, a cable end fixing tool, a pressure device, a direct current tester, a tool traversing device, a current clamp and a power transmission line, wherein the middle part of the upper end of the frame is provided with the pressure device, two sides of the pressure device are symmetrically provided with cable end fixing tools which can be matched with the pressure device, the lower end of the cable end fixing tool is transversely provided with the tool traversing device, the cable end fixing tool is fixedly connected with a moving part of the tool traversing device, and the device in the patent is required to fix and compress two conductive ends of the cable through a series of operations before use, so that the pressure area of the cable can not be regulated according to needs, the comprehensiveness of data monitoring is further influenced, and the accuracy of a data model is influenced.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides the pressure-bearing testing device for the low-smoke environment-friendly fireproof power cable, which can regulate the pressure of different numbers of pressing strips to press the cable according to the needs, thereby ensuring the comprehensiveness of monitoring data by a direct current detector, ensuring the accuracy of a subsequent data model, and having the advantages of convenient and quick operation and convenient use for people.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a pressure-bearing testing arrangement for fire-resistant low voltage power cable of low smoke environment-friendly, includes the testboard, the top of testboard is fixed with the support body, and the top fixed mounting of support body has hydraulic telescoping assembly, the top of testboard is equipped with movable frame, and movable frame and support body movable sleeve establish, hydraulic telescoping assembly's output pole is fixed with movable frame, be equipped with a plurality of layering in the movable frame, and the one end of a plurality of layering all rotates with movable frame through the fixed axle to be connected, the outer wall of movable frame is equipped with the spacing subassembly with a plurality of layering assorted, the top at testboard both ends all is fixed with electrically conductive seat, be equipped with the direct current tester in the testboard, and the direct current tester pass through two wires respectively with two electrically conductive seat electric connection, two electrically conductive seat's top all is equipped with the arc clamp plate, and the top of arc clamp plate is connected with the movable frame through a plurality of elastic component.
Preferably, the limiting component comprises an L-shaped plate and a plurality of fixing rods, one ends of the fixing rods are fixed with the outer side wall of the movable frame, the fixing rods are movably sleeved with the L-shaped plate, the horizontal end of the L-shaped plate is arranged above the movable frame, the outer side wall of the movable frame is fixedly embedded with a magnetic strip, and the magnetic strip and the L-shaped plate are mutually adsorbed.
Preferably, each elastic component comprises a movable rod, a fixed block and a spring, one end of the movable rod is fixed with the top of the arc-shaped pressing plate, the other end of the movable rod penetrates through the movable frame and extends outwards, a strip-shaped hole is formed in the side wall of the movable rod, the fixed block and the spring are located in the strip-shaped hole, two ends of the fixed block are fixed with the movable frame, and two ends of the spring are fixed with the strip-shaped hole and the side wall of the fixed block respectively.
Preferably, the top of the test bench is also fixedly embedded with a plurality of pressure sensors corresponding to the pressing strip positions.
Preferably, elastic strips are fixed at the front end and the rear end of the two conductive seats, and the elastic strips are made of plastic materials.
Preferably, the bottoms of the pressing strips and the two arc-shaped pressing plates are fixedly provided with buffer gaskets.
Preferably, four positioning suckers are symmetrically fixed at the bottom of the test bench.
Preferably, the outer wall of the L-shaped plate is fixed with a handle, and the surface of the handle is provided with anti-skid patterns.
(III) beneficial effects
Compared with the prior art, the invention provides a pressure-bearing testing device for a low-smoke environment-friendly fireproof low-voltage power cable, which has the following beneficial effects:
1. this a pressure-bearing testing arrangement for fire-resistant low smoke environment-friendly low voltage power cable, through the testboard that is equipped with, place the cable that will detect on the testboard, and make two conductive ends of cable be located two conductive seats respectively, the hydraulic telescoping assembly that the rethread was equipped with, its output rod can drive movable frame and move down, movable frame moves down can drive movable rod and arc clamp plate and move down, make the arc clamp plate compress tightly the conductive end of cable, the movable frame continues to move down simultaneously, can make the fixed block stretch the spring, thereby guarantee the stability that the arc clamp plate compresses tightly the conductive end, and make the layering on the movable frame can exert pressure to the cable, thereby can monitor the influence of cable to conductive properties at different pressure environment through the direct current detector, convenient operation is swift.
2. This a pressure-bearing testing arrangement for fire-resistant low smoke environment-friendly power cable through the L template that is equipped with, presses the L template and can make it slide on the dead lever and adsorb together with the magnetic stripe each other, and because the horizontal end of L template is located the top of movable frame to make the L template can inject the position of a plurality of layering, make people can adjust different numbers layering and exert pressure to the cable as required, thereby improve the accuracy of follow-up data model.
Drawings
FIG. 1 is a schematic diagram of a pressure-bearing testing device for a low-smoke environment-friendly fire-resistant power cable;
FIG. 2 is an enlarged view of the portion A of FIG. 1;
FIG. 3 is a schematic view of the structure of the molding, movable frame and spacing assembly of the present invention;
fig. 4 is a schematic structural view of a conductive base and an elastic strip in the present invention.
In the figure: 1 test bench, 2 support bodies, 3 hydraulic telescoping assemblies, 4 movable frames, 5 pressing strips, 6 fixed shafts, 7 conductive seats, 8 direct current testers, 9 arc-shaped pressing plates, 10L templates, 11 fixed rods, 12 magnetic strips, 13 movable rods, 14 fixed blocks, 15 springs, 16 pressure sensors, 17 elastic strips, 18 buffer gaskets, 19 positioning suckers and 20 handles.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, a pressure-bearing testing device for a low-smoke environment-friendly fire-resistant low-voltage power cable comprises a testing table 1, wherein a frame body 2 is fixed at the top of the testing table 1, a hydraulic telescopic component 3 is fixedly arranged at the top of the frame body 2, a movable frame 4 is arranged above the testing table 1, the movable frame 4 is movably sleeved with the frame body 2, an output rod of the hydraulic telescopic component 3 is fixed with the movable frame 4, a plurality of pressing strips 5 are arranged in the movable frame 4, one ends of the pressing strips 5 are rotatably connected with the movable frame 4 through fixing shafts 6, limit components matched with the pressing strips 5 are arranged on the outer wall of the movable frame 4, conductive seats 7 are respectively fixed at the tops of two ends of the testing table 1, a direct current tester 8 is arranged in the testing table 1, the direct current tester 8 is respectively electrically connected with the two conductive seats 7 through two wires, an arc pressing plate 9 is arranged above the two conductive seats 7, and the tops of the arc pressing plate 9 are connected with the movable frame 4 through a plurality of elastic components.
The spacing subassembly includes L template 10 and a plurality of dead lever 11, and the one end of a plurality of dead levers 11 is all fixed with the lateral wall of movable frame 4, and a plurality of dead levers 11 all establish with L template 10 movable sleeve, and the horizontal end of L template 10 is located the top setting of movable frame 4, and the lateral wall of movable frame 4 is fixed to be inlayed and is equipped with magnetic stripe 12, and magnetic stripe 12 and L template 10 adsorb each other.
Each elastic component comprises a movable rod 13, a fixed block 14 and a spring 15, one end of the movable rod 13 is fixed with the top of the arc-shaped pressing plate 9, the other end of the movable rod 13 penetrates through the movable frame 4 and extends outwards, a strip-shaped hole is formed in the side wall of the movable rod 13, the fixed block 14 and the spring 15 are located in the strip-shaped hole, two ends of the fixed block 14 are fixed with the movable frame 4, and two ends of the spring 15 are fixed with the strip-shaped hole and the side wall of the fixed block 14 respectively.
The top of the test bench 1 is fixedly embedded with a plurality of pressure sensors 16 corresponding to the positions of the pressing strips 5, so that the pressure of each position can be monitored in real time.
Elastic strips 17 are fixed at the front end and the rear end of the two conductive seats 7, and the elastic strips 17 are made of plastic materials, so that the stability of placing the conductive ends of the cables on the conductive seats 7 can be improved.
The bottoms of the pressing strips 5 and the two arc pressing plates 9 are fixedly provided with buffer gaskets 18, so that damage to cables caused by the pressing strips 5 and the arc pressing plates 9 can be reduced.
Four positioning suckers 19 are symmetrically fixed at the bottom of the test bench 1, and the positioning suckers 19 can be adsorbed on a smooth surface, so that the overall placement stability of the device is improved.
The outer wall of the L-shaped plate 10 is fixed with the handle 20, and the surface of the handle 20 is provided with anti-skidding lines, so that the L-shaped plate 10 can be pulled to move conveniently.
To sum up, this a pressure-bearing testing arrangement for fire-resistant low pressure power cable of low smoke environment-friendly, when using, through the testboard 1 that is equipped with, place the cable that will detect on testboard 1, and make two conductive ends of cable be located two conductive seats 7 respectively, the rethread hydraulic telescoping assembly 3 that is equipped with, its output rod can drive movable frame 4 and move down, movable frame 4 moves down and can drive movable rod 13 and arc clamp plate 9 and move down, make arc clamp plate 9 compress tightly the conductive end of cable, simultaneously movable frame 4 continues to move down, can make fixed block 14 carry out tensile to spring 15, thereby guarantee the stability that arc clamp plate 9 compresses tightly the conductive end, and make layering 5 on movable frame 4 can exert pressure to the cable, thereby through direct current detector 8 can monitor the influence of cable to conductive properties at different pressure environment, convenient operation is swift, the L template 10 that the rethread is equipped with, press L template 10 can make it slide on fixed rod 11 and adsorb together with 12 each other, and because the horizontal end of L template 10 is located the top of movable frame 4, thereby can not inject more than the accurate template 5 to the realization of data of following situation, thereby the situation can be adjusted to the situation to the layering 5 according to the situation number of people.
It should be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a pressure-bearing testing arrangement for low smoke and environment-friendly fire-resistant power cable, includes testboard (1), its characterized in that: the top of the test bench (1) is fixedly provided with a frame body (2), the top of the frame body (2) is fixedly provided with a hydraulic telescopic component (3), the upper part of the test bench (1) is provided with a movable frame (4), the movable frame (4) is movably sleeved with the frame body (2), an output rod of the hydraulic telescopic component (3) is fixedly connected with the movable frame (4), a plurality of pressing strips (5) are arranged in the movable frame (4), one ends of the pressing strips (5) are rotationally connected with the movable frame (4) through a fixed shaft (6), the outer wall of the movable frame (4) is provided with a limiting component matched with the pressing strips (5), the tops of two ends of the test bench (1) are respectively fixedly provided with a conductive seat (7), the test bench (1) is internally provided with a direct current tester (8), the direct current tester (8) is respectively electrically connected with the two conductive seats (7) through two leads, the upper parts of the two conductive seats (7) are respectively provided with an arc pressing plate (9), and the tops of the arc pressing plates (9) are elastically connected with the plurality of the pressing strips (4) through the elastic components.
The limiting component comprises an L-shaped plate (10) and a plurality of fixing rods (11), wherein one ends of the fixing rods (11) are fixed with the outer side wall of the movable frame (4), the fixing rods (11) are movably sleeved with the L-shaped plate (10), the horizontal end of the L-shaped plate (10) is arranged above the movable frame (4), the outer side wall of the movable frame (4) is fixedly embedded with a magnetic strip (12), and the magnetic strip (12) and the L-shaped plate (10) are mutually adsorbed.
2. The pressure-bearing testing device for a low-smoke environment-friendly fire-resistant piezoelectric cable according to claim 1, wherein: every elastic component all includes movable rod (13), fixed block (14) and spring (15), the one end of movable rod (13) is fixed with the top of arc clamp plate (9), and the other end of movable rod (13) runs through movable frame (4) and outwards extends, the bar hole has been seted up to the lateral wall of movable rod (13), fixed block (14) and spring (15) all are located the bar downthehole, the both ends of fixed block (14) are all fixed with movable frame (4), the both ends of spring (15) are fixed with the lateral wall of bar hole and fixed block (14) respectively.
3. The pressure-bearing testing device for a low-smoke environment-friendly fire-resistant piezoelectric cable according to claim 1, wherein: the top of the test bench (1) is fixedly embedded with pressure sensors (16) corresponding to the positions of the plurality of pressing strips (5).
4. The pressure-bearing testing device for a low-smoke environment-friendly fire-resistant piezoelectric cable according to claim 1, wherein: elastic strips (17) are fixed at the front end and the rear end of the two conductive seats (7), and the elastic strips (17) are made of plastic materials.
5. The pressure-bearing testing device for a low-smoke environment-friendly fire-resistant piezoelectric cable according to claim 1, wherein: the bottoms of the pressing strips (5) and the two arc pressing plates (9) are fixedly provided with buffer gaskets (18).
6. The pressure-bearing testing device for a low-smoke environment-friendly fire-resistant piezoelectric cable according to claim 1, wherein: four positioning suckers (19) are symmetrically fixed at the bottom of the test bench (1).
7. The pressure-bearing testing device for a low-smoke environment-friendly fire-resistant piezoelectric cable according to claim 1, wherein: the outer wall of the L-shaped plate (10) is fixed with a handle (20), and anti-skidding lines are formed in the surface of the handle (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110517114.3A CN113252459B (en) | 2021-05-12 | 2021-05-12 | Pressure-bearing testing device for low-smoke environment-friendly fireproof low-voltage power cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110517114.3A CN113252459B (en) | 2021-05-12 | 2021-05-12 | Pressure-bearing testing device for low-smoke environment-friendly fireproof low-voltage power cable |
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| Publication Number | Publication Date |
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| CN113252459A CN113252459A (en) | 2021-08-13 |
| CN113252459B true CN113252459B (en) | 2024-04-02 |
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| CN202110517114.3A Active CN113252459B (en) | 2021-05-12 | 2021-05-12 | Pressure-bearing testing device for low-smoke environment-friendly fireproof low-voltage power cable |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118443456B (en) * | 2024-07-08 | 2024-09-20 | 广州南洋电缆集团有限公司 | Cable processing pressure resistance testing device with multiple stress parts and method |
| CN118549255B (en) * | 2024-07-24 | 2024-10-22 | 深圳中缆电缆集团有限公司 | Fill electric pile cable protection intensity testing arrangement |
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