CN111879630A - Insulator testing device - Google Patents
Insulator testing device Download PDFInfo
- Publication number
- CN111879630A CN111879630A CN202010607550.5A CN202010607550A CN111879630A CN 111879630 A CN111879630 A CN 111879630A CN 202010607550 A CN202010607550 A CN 202010607550A CN 111879630 A CN111879630 A CN 111879630A
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- 239000012212 insulator Substances 0.000 title claims abstract description 94
- 238000012360 testing method Methods 0.000 title claims abstract description 69
- 238000013519 translation Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000002474 experimental method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000005452 bending Methods 0.000 description 15
- 230000006872 improvement Effects 0.000 description 10
- 238000009864 tensile test Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000010355 oscillation Effects 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
- G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- 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
-
- 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
- G01N2203/0021—Torsional
-
- 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
- G01N2203/0023—Bending
-
- 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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- Physics & Mathematics (AREA)
- General 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)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention belongs to the technical field of rotating machinery experiment devices, and particularly relates to an insulator stress test device. The invention adopts the following technical scheme: the utility model provides an insulator stress test device, insulator stress test device includes: a base; a lower support means; a lower mounting member; an upper support device; an upper mounting member; the lower end of the test insulator is fixedly connected with the lower mounting piece, and the upper end of the test insulator is fixedly connected with the upper mounting piece; the lower driving device is arranged on the base and drives the lower mounting piece to rotate; the upper driving device is arranged on the upper supporting device and drives the upper mounting piece to rotate. The invention has the beneficial effects that: the lower mounting part can be driven to drive the lower end of the test insulator to twist or the upper mounting part can be driven to drive the upper end of the test insulator, so that the torsional vibration of the insulator can be tested.
Description
Technical Field
The invention belongs to the technical field of rotating machinery experiment devices, and particularly relates to an insulator experiment device.
Background
The insulator is important equipment of the power grid, plays an important role in supporting and insulating electrical equipment and has a great influence on the safety of the power grid. The insulator runs under the conditions of strong wind, rain, snow, sunshine and the like for a long time, is influenced by mechanical load during running, bears stress such as stretching, distortion and the like, and is tested greatly on performance.
The domestic insulators are frequently broken and damaged, and serious consequences such as power failure of a power supply line, shutdown of a transformer substation, equipment damage, casualties and the like are caused.
At present, most of insulator researches are focused on internal mechanisms or material properties, and the researches on stresses such as torsional vibration and bending of the insulator are less. No equipment for testing torsional vibration of the insulator is available in the market. Therefore, it is necessary to develop an insulator torsional vibration test device to study the stress of the insulator.
In addition, the existing insulator testing device has a single function or a plurality of functions, but has a complex structure.
Disclosure of Invention
The invention provides an insulator testing device for researching the stress of an insulator.
In order to achieve the purpose, the invention adopts the following technical scheme: an insulator testing device, the insulator testing device includes:
a base;
the lower support device is arranged on the base;
the lower mounting piece is rotatably mounted on the lower support device;
the upper supporting device is arranged on the base;
the upper mounting piece is rotatably mounted on the upper supporting device;
the lower end of the test insulator is fixedly connected with the lower mounting piece, and the upper end of the test insulator is fixedly connected with the upper mounting piece;
a lower drive mounted on the base, the lower drive applying a torque to the lower mount;
an upper drive mounted on the upper support, the upper drive applying a torque to the upper mount.
The insulator testing device provided by the invention is provided with the lower driving device and the upper driving device, and can drive the lower mounting part to drive the lower end of the tested insulator to twist through the lower driving device, or drive the upper mounting part to drive the upper end of the tested insulator to twist through the upper driving device, or simultaneously drive the upper end and the lower end of the tested insulator to twist through the lower driving device and the upper driving device, so that the torsional vibration of the insulator is tested.
As an improvement, the lower supporting device comprises a lower plate, an upper plate and a cushion block arranged between the lower plate and the upper plate, the cushion block enables a gap to be formed between the lower plate and the upper plate, the lower plate is provided with a mounting hole, and the lower mounting piece is supported by the lower plate and penetrates through the mounting hole of the upper plate.
As an improvement, the lower driving device comprises a lower motor arranged on the base, a driving wheel driven by the lower motor and a transmission belt matched with the driving wheel, and the transmission belt is matched with the lower mounting piece.
As an improvement, the lower supporting device also comprises a base plate fixed on the base, the lower plate is fixed on the base plate, and a gap is formed between the lower plate and the base.
As an improvement, the lower mounting part is provided with a small diameter part and a large diameter part, a hole opening block is arranged above the small diameter part, a bearing is arranged in the mounting hole of the upper plate, and the small diameter part of the lower mounting part is inserted into the bearing.
As an improvement, the upper supporting device comprises a frame seat arranged on the base and a platform arranged on the frame seat. The upper supporting device is provided with a platform, can adapt to insulators with different heights, and can also perform a tensile test on the tested insulator.
As an improvement, the upper driving device comprises an upper motor arranged on the upper supporting device, a driving wheel driven by the upper motor and a transmission belt matched with the driving wheel, and the transmission belt is matched with the upper mounting piece.
As an improvement, the machine frame seat comprises two vertical guide rods, the platform comprises a lifting support matched with the guide rods, and the lifting support is driven to lift by an electric push rod.
As an improvement, the upper mounting piece can be arranged on the platform in a translation mode, and bending tests can be conducted on the tested insulator through the translation bending block. The bending block does not mean that the bending block is bent, but the bending block drives the test insulator to bend the test insulator.
As a modification, the upper mount and the lower mount are the same.
As an improvement, the platform further comprises a translation piece arranged on the lifting support, and the translation piece is driven by the electric push rod to translate; the lifting support is provided with two guide rods, and the translation piece is provided with a matched groove matched with the guide rods; the translation piece is an assembly body.
As an improvement, the upper supporting device further comprises a vertical screw rod, one end of the lifting support is matched with the guide rod, the other end of the lifting support is matched with the screw rod, and an upper nut and a lower nut which are used for clamping the lifting support are arranged on the screw rod.
The insulator testing device has the beneficial effects that: can drive the experimental insulator lower extreme through installed part drive down drive arrangement and twist reverse, perhaps drive the installed part through last drive arrangement and drive experimental insulator upper end and twist reverse, perhaps drive experimental insulator upper and lower end simultaneously and twist reverse through lower drive arrangement and last drive arrangement to test insulator torsional oscillation.
Drawings
Fig. 1 and 2 are schematic perspective views of insulator testing apparatuses according to first embodiments of the present invention.
Fig. 3 is a schematic view of an insulator mounting structure of an insulator testing apparatus according to a first embodiment of the present invention.
Fig. 4 is a schematic structural view of a housing base of an insulator testing apparatus according to a first embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a platform of an insulator testing apparatus according to a first embodiment of the present invention.
In the figure, 1, a base;
2. a lower support means; 21. a lower plate; 22. cushion blocks; 23. an upper plate; 24. a base plate;
3. a lower mounting member; 31. a large diameter portion; 32. a small diameter part; 33. opening a hole block;
4. an upper support device; 41. a frame mount; 411. a guide bar; 42. a platform; 421. a lifting support; 422. a translation member; 43. a screw;
5. an upper mounting member;
6. testing the insulator;
7. a lower drive device;
8. and an upper driving device.
Detailed Description
The technical solutions of the embodiments of the present invention will be explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and are not all embodiments. Other embodiments obtained by persons skilled in the art without any inventive work based on the embodiments in the embodiment belong to the protection scope of the invention.
Referring to fig. 1 and 2, an insulator testing apparatus according to the present invention includes:
a base;
the lower support device is arranged on the base;
the lower mounting piece is rotatably mounted on the lower support device;
the upper supporting device is arranged on the base;
the upper mounting piece is rotatably mounted on the upper supporting device;
the lower end of the test insulator is fixedly connected with the lower mounting piece, and the upper end of the test insulator is fixedly connected with the upper mounting piece;
a lower drive mounted on the base, the lower drive applying a torque to the lower mount;
an upper drive mounted on the upper support, the upper drive applying a torque to the upper mount.
The insulator testing device provided by the invention is provided with the lower driving device and the upper driving device, and can drive the lower mounting part to drive the lower end of the tested insulator to twist through the lower driving device, or drive the upper mounting part to drive the upper end of the tested insulator to twist through the upper driving device, or simultaneously drive the upper end and the lower end of the tested insulator to twist through the lower driving device and the upper driving device, so that the torsional vibration of the insulator is tested.
Example one
Referring to fig. 1 and 2, an insulator testing apparatus according to an embodiment of the present invention includes:
a base 1;
the lower support device 2 is arranged on the base 1;
the lower mounting piece 3 is rotatably mounted on the lower support device 2;
the upper supporting device 4 is arranged on the base 1;
the upper mounting piece 5 is rotatably mounted on the upper supporting device 4;
the lower end of the test insulator 6 is fixedly connected with the lower mounting piece 3, and the upper end of the test insulator 6 is fixedly connected with the upper mounting piece 5;
a lower driving device 7, wherein the lower driving device 7 is installed on the base 1, and the lower driving device 7 applies torque to the lower installation member 3;
an upper drive 8, said upper drive 8 being mounted on the upper support 4, said upper drive 8 applying a torque to the upper mounting 5.
In this embodiment, the lower support device 2 includes a lower plate 21, an upper plate 23, and a spacer 22 disposed between the lower plate 21 and the upper plate 23, the spacer 22 forms a gap between the lower plate 21 and the upper plate 23, the lower plate 21 is provided with a mounting hole, and the lower mounting member 3 is supported by the lower plate 21 and passes through the mounting hole of the upper plate 23.
The lower support means 2 is an assembly body to facilitate mounting of the lower mounting member 3 to the lower support means 2.
In this embodiment, the lower attachment member 3 has a small diameter portion 32 and a large diameter portion 31, an opening block 33 is provided above the small diameter portion 32, a bearing is provided in the mounting hole of the upper plate 23, and the small diameter portion 32 of the lower attachment member 3 is inserted into the bearing. When the test insulator 6 receives an upward pulling force, the large diameter portion 31 of the lower attachment member 3 abuts against the upper plate 23. In the figure, the bearings are not shown.
In this embodiment, the lower support device 2 further includes a backing plate 24 fixed on the base 1, the lower plate 21 is fixed on the backing plate 24, and a gap is formed between the lower plate 21 and the base 1. Because the motor has the mounting height, set up backing plate 24, promote the height of lower installed part 3, with motor height matching.
In other embodiments, the lower support means may be of other configurations as long as it provides rotational support for the lower mount.
In this embodiment, the lower driving device 7 includes a lower motor installed on the base 1, a driving wheel driven by the lower motor, and a transmission belt matched with the driving wheel, and the transmission belt is matched with the lower installation part 3. The transmission belt is matched with the lower mounting part 3, namely friction force is generated between the transmission belt and the lower mounting part 3, and the motor can continuously rotate, so that the insulator is subjected to continuous torsion.
In this embodiment, the upper supporting device 4 includes a frame base 41 disposed on the base 1, and a platform 42 disposed on the frame base 41. The upper supporting device 4 is provided with a platform 42 which can adapt to insulators with different heights, and can also perform a tensile test on the test insulator 6.
In this embodiment, the frame base 41 is fixedly connected to the base 1 by screws.
In this embodiment, the upper driving device 8 includes an upper motor installed on the upper supporting device 4, a driving wheel driven by the upper motor, and a transmission belt engaged with the driving wheel, and the transmission belt is engaged with the upper mounting member 5.
In this embodiment, the upper driving device 8 and the lower driving device 7 have the same structure.
In this embodiment, the frame base 41 includes two vertical guide rods 411, and the platform 42 includes a lifting support 421 matched with the guide rods 411, and the lifting support is driven by an electric push rod to lift.
In this embodiment, the upper mounting member 5 is disposed on the platform 42 in a translation manner, and a bending test can be performed on the test insulator 6 through the translation bending block. The bending piece does not mean that the bending piece is bent, but the bending piece drives the test insulator 6 to bend the test insulator 6.
In this embodiment, the upper mount 5 and the lower mount 3 are the same.
In this embodiment, the platform 42 includes a translation member 423 disposed on the lifting bracket 421, and the translation member 423 is driven by an electric push rod to translate; the lifting support 421 has two guide rods, and the translation member 423 has a groove matched with the guide rods; the translation member 423 is an assembly.
In this embodiment, the upper mounting member 4 is mounted on the translation member 423, and a bearing is provided between the upper mounting member and the translation member 423. In the figure, the bearings are not shown.
In this embodiment, the upper supporting device 4 further includes a vertical screw 43, one end of the lifting support is matched with the guide rod, the other end of the lifting support is matched with the screw 43, and the screw 43 is provided with an upper nut and a lower nut for clamping the lifting support.
The electric push rod, the motor, the driving wheel, the belt and the like in the invention can refer to the prior art, and are not described herein.
The working principle of the insulator testing device of the first embodiment of the invention is as follows: will test 6 lower extremes of insulator and the 3 rigid couplings of installed part down earlier, then adjust the platform 42 height, with 6 upper ends of experimental insulator and the 5 rigid couplings of last installed part, after the installation of experimental insulator 6 finishes, can carry out following experiment: 1. only starting the lower driving device 7 to twist the lower end of the test insulator 6; 2. only starting the upper driving device 8 to twist the upper end of the test insulator 6; 3. simultaneously starting a lower driving device 7 and an upper driving device 8, and simultaneously twisting the lower end and the upper end of the test insulator 6; 4. only the platform 42 is lifted, and the upper end of the insulator 6 is subjected to tensile test; 5. the bending test is performed by pulling or pushing only the bending block.
The insulator testing device of the first embodiment of the invention has the beneficial effects that: the lower mounting part 3 can be driven by the lower driving device 7 to drive the lower end of the test insulator 6 to twist, or the upper mounting part 5 can be driven by the upper driving device 8 to drive the upper end of the test insulator 6 to twist, or the upper and lower ends of the test insulator 6 can be driven by the lower driving device 7 and the upper driving device 8 to twist simultaneously, so that the torsional vibration of the test insulator 6 can be tested; the platform 42 is provided, so that the test insulator 6 with different heights can be suitable for performing tensile test on the test insulator 6; the bending test of the test insulator 6 can be performed by a bending block horizontally moved by an electric push rod.
While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto but is intended to cover various modifications and changes, including but not limited to the details shown in the drawings and described in the foregoing detailed description. Any modification which does not depart from the functional and structural principles of the invention is intended to be included within the scope of the following claims.
Claims (10)
1. The utility model provides an insulator test device which characterized in that: the insulator testing device comprises:
a base (1);
the lower support device (2), the said lower support device (2) is mounted on base (1);
the lower mounting piece (3) is rotatably mounted on the lower support device (2);
the upper supporting device (4), the upper supporting device (4) is arranged on the base (1);
the upper mounting piece (5), the upper mounting piece (5) is rotatably mounted on the upper supporting device (4);
the lower end of the test insulator (6) is fixedly connected with the lower mounting piece (3), and the upper end of the test insulator (6) is fixedly connected with the upper mounting piece (5);
a lower drive (7), the lower drive (7) being mounted on the base (1), the lower drive (7) applying a torque to the lower mount (3);
an upper drive (8), the upper drive (8) being mounted on the upper support (4), the upper drive (8) applying a torque to the upper mount (5).
2. An insulator testing device according to claim 1, wherein: the lower supporting device (2) comprises a lower plate (21), an upper plate (23) and a cushion block (22) arranged between the lower plate (21) and the upper plate (23), the cushion block (22) enables a gap to be formed between the lower plate (21) and the upper plate (23), a mounting hole is formed in the lower plate (21), and the lower mounting piece (3) is supported by the lower plate (21) and penetrates through the mounting hole of the upper plate (23).
3. An insulator testing apparatus according to claim 2, wherein: lower drive arrangement (7) including install in lower motor on base (1), by lower motor drive's action wheel and with action wheel complex drive belt, drive belt and lower installed part (3) cooperation.
4. An insulator testing apparatus according to claim 2, wherein: the lower supporting device (2) further comprises a base plate (24) fixed on the base (1), the lower plate (21) is fixed on the base plate (24), and a gap is formed between the lower plate (21) and the base (1).
5. An insulator testing apparatus according to claim 2, wherein: the lower mounting piece (3) is provided with a small diameter portion (32) and a large diameter portion (31), a hole opening block (33) is arranged above the small diameter portion (32), a bearing is arranged in a mounting hole of the upper plate (23), and the small diameter portion (32) of the lower mounting piece (3) is inserted into the bearing.
6. An insulator testing device according to claim 1, wherein: the upper supporting device (4) comprises a frame seat (41) arranged on the base (1) and a platform (42) arranged on the frame seat (41); the upper driving device (8) comprises an upper motor arranged on the upper supporting device (4), a driving wheel driven by the upper motor and a transmission belt matched with the driving wheel, and the transmission belt is matched with the upper mounting part (5).
7. An insulator testing device according to claim 6, wherein: a vertical guide structure is arranged between the frame base (41) and the platform (42), and the platform (42) is driven to lift by an electric push rod.
8. An insulator testing apparatus according to claim 7, wherein: the upper mounting piece (5) is arranged on the lifting platform (42) in a translation mode.
9. An insulator testing apparatus according to claim 8, wherein: the upper mounting part (5) is driven by an electric push rod to translate; the platform (42) comprises a lifting support (421) and a translation piece (422) arranged on the lifting support (421), and a horizontal guide structure is arranged between the lifting support (421) and the translation piece (422); the translation piece (422) is an assembly body.
10. An insulator testing apparatus according to claim 7, wherein: go up strutting arrangement (4) still including screw rod (43) of erectting, lifting support (421) one end and guide bar cooperation, the other end and screw rod (43) cooperation, be equipped with the upper and lower nut of centre gripping lifting support (421) on screw rod (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010607550.5A CN111879630A (en) | 2020-06-29 | 2020-06-29 | Insulator testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010607550.5A CN111879630A (en) | 2020-06-29 | 2020-06-29 | Insulator testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111879630A true CN111879630A (en) | 2020-11-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010607550.5A Pending CN111879630A (en) | 2020-06-29 | 2020-06-29 | Insulator testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111879630A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557187A (en) * | 2020-11-20 | 2021-03-26 | 国网福建省电力有限公司电力科学研究院 | Mechanical property test device for isolator insulator |
| CN113504117A (en) * | 2021-07-14 | 2021-10-15 | 邢台医学高等专科学校 | Sports ground surface layer material testing device |
| CN113702159A (en) * | 2021-09-02 | 2021-11-26 | 固力发电气有限公司 | Energy-saving detection equipment for composite insulator production |
| CN114594008A (en) * | 2022-03-24 | 2022-06-07 | 江苏利民丰彩新材料科技有限公司 | Hardness rapid detection equipment based on new material |
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| CN203672724U (en) * | 2013-12-25 | 2014-06-25 | 淄博千恒自动化工程有限公司 | Insulator bending moment and torque testing machine |
| CN109540693A (en) * | 2018-10-31 | 2019-03-29 | 国网新疆电力有限公司电力科学研究院 | Power transformation material bending fatigue tester |
| CN111256963A (en) * | 2019-12-23 | 2020-06-09 | 宁波拓普汽车电子有限公司 | Spherical hinge torque test tool |
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2020
- 2020-06-29 CN CN202010607550.5A patent/CN111879630A/en active Pending
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| CN203672724U (en) * | 2013-12-25 | 2014-06-25 | 淄博千恒自动化工程有限公司 | Insulator bending moment and torque testing machine |
| CN109540693A (en) * | 2018-10-31 | 2019-03-29 | 国网新疆电力有限公司电力科学研究院 | Power transformation material bending fatigue tester |
| CN111256963A (en) * | 2019-12-23 | 2020-06-09 | 宁波拓普汽车电子有限公司 | Spherical hinge torque test tool |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557187A (en) * | 2020-11-20 | 2021-03-26 | 国网福建省电力有限公司电力科学研究院 | Mechanical property test device for isolator insulator |
| CN112557187B (en) * | 2020-11-20 | 2022-05-13 | 国网福建省电力有限公司电力科学研究院 | Mechanical property test device for isolator insulator |
| CN113504117A (en) * | 2021-07-14 | 2021-10-15 | 邢台医学高等专科学校 | Sports ground surface layer material testing device |
| CN113702159A (en) * | 2021-09-02 | 2021-11-26 | 固力发电气有限公司 | Energy-saving detection equipment for composite insulator production |
| CN113702159B (en) * | 2021-09-02 | 2023-11-10 | 固力发电气有限公司 | Energy-saving type detection equipment for composite insulator production |
| CN114594008A (en) * | 2022-03-24 | 2022-06-07 | 江苏利民丰彩新材料科技有限公司 | Hardness rapid detection equipment based on new material |
| CN114594008B (en) * | 2022-03-24 | 2023-10-31 | 江苏利民丰彩新材料科技有限公司 | Hardness short-term test equipment based on new material |
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Application publication date: 20201103 |
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