CN210015029U - Salt spray corrosion test box - Google Patents
Salt spray corrosion test box Download PDFInfo
- Publication number
- CN210015029U CN210015029U CN201920797631.9U CN201920797631U CN210015029U CN 210015029 U CN210015029 U CN 210015029U CN 201920797631 U CN201920797631 U CN 201920797631U CN 210015029 U CN210015029 U CN 210015029U
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- fixedly connected
- salt spray
- box
- corrosion test
- spray corrosion
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- 238000012360 testing method Methods 0.000 title claims abstract description 60
- 150000003839 salts Chemical class 0.000 title claims abstract description 43
- 239000007921 spray Substances 0.000 title claims abstract description 31
- 230000007797 corrosion Effects 0.000 title claims abstract description 24
- 238000005260 corrosion Methods 0.000 title claims abstract description 24
- 230000002265 prevention Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 15
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 241000220317 Rosa Species 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses a salt spray corrosion test box, which belongs to the field of experimental devices, and comprises a box body, wherein the inner wall of the box body is fixedly connected with two symmetrical fixed plates, the upper ends of the fixed plates are slidably connected with fixed rods, the right ends of the fixed rods are slidably sleeved with connecting blocks, the right sides of the connecting blocks are fixedly connected with chucks, the right sides of the box body are fixedly sleeved with salt spray nozzles, the inner wall of the box body is fixedly connected with a filter box, the inner wall of the filter box is provided with two symmetrical second chutes, a filter screen is slidably connected in the filter box, the chucks arranged on the filter box have the functions of length adjustment and automatic fastening, so that a worker can fix a test sample more conveniently and quickly, the test time is saved, the test efficiency is improved, the arranged filter box has the function of blockage prevention, and the condition that the filter box is blocked to cause, the test accuracy is improved.
Description
Technical Field
The utility model relates to an experimental apparatus field, more specifically say, relate to a salt spray corrosion test case.
Background
The salt spray testing machine is used for detecting the reliability of a tested sample by adopting a salt spray corrosion mode, salt spray refers to a dispersion system formed by salt-containing micro liquid drops in the atmosphere, and is one of three-proofing series of artificial environments, products of a plurality of enterprises simulate the destructiveness of peripheral climates of oceans to the products by using the salt spray testing machine, and the salt spray corrosion test is the most common test in the three-proofing climates of artificial environments.
At present, present salt fog corrosion test case is mostly through the bolt with test sample fastening in the proof box, the fixed mode of bolt is fixed comparatively loaded down with trivial details and is wasted time, salt fog corrosion test's cycle has been prolonged intangibly, and the rose box of present salt fog corrosion test case setting does not have the function of preventing blockking up mostly, can cause the filter screen mesh to block up when using, make the air can't get into in the proof box, thereby lead to the unable even diffusion of salt fog to depend on each surface at test sample, experimental accurate nature has been influenced.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide a salt fog corrosion test case, the chuck that it set up has the effect of adjusting length and automatic fastening for the more convenient and fast of staff's fixed test sample has practiced thrift test time, has improved test efficiency, and the rose box that sets up has the function of preventing blockking up, has avoided the rose box to block up and has leaded to the inhomogeneous condition of salt fog diffusion in the box to take place, has improved experimental accurate nature.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
A salt spray corrosion test box comprises a box body, wherein two symmetrical fixed plates are fixedly connected to the inner wall of the box body, the upper ends of the fixed plates are slidably connected with a fixed rod, the right end of the fixed rod is slidably sleeved with a connecting block, the right side of the connecting block is fixedly connected with a chuck, the right side of the box body is fixedly sleeved with a salt spray nozzle, the inner wall of the box body is fixedly connected with a filter box, the inner wall of the filter box is provided with two symmetrical second chutes, a filter screen is slidably connected in the filter box, the right side of the filter screen is fixedly connected with a baffle, the surface of the baffle is slidably sleeved with the filter box, the left side of the filter box is fixedly connected with an air inlet pipe, the right side of the filter box is fixedly connected with an air outlet pipe, the upper end of the air outlet pipe is fixedly connected, the chuck that it set up has the effect of adjusting length and automatic fastening for the staff fixes test sample convenient and fast more, has practiced thrift test time, has improved test efficiency, and the rose box that sets up has the function of preventing blockking up, has avoided the rose box to block up and has leaded to the inhomogeneous condition of salt fog diffusion in the box to take place, has improved experimental accurate nature.
Further, the shape of chuck is the arc, the surface of chuck is equipped with logical groove, the inboard surface of chuck is equipped with the lug, the surface of lug is equipped with anti-skidding line, and the chuck that sets up has reduced the area of contact with the test sample surface for the test sample can be more comprehensive carry out the salt spray corrosion test, has improved experimental accuracy nature.
Further, the left side fixedly connected with locating plate of dead lever, the lower extreme of locating plate slides and has cup jointed the locating lever, the fixed cover in surface of locating lever has cup jointed the spacing ring, first spring has been cup jointed in the outside of locating lever, when first spring received the extrusion of spacing ring, has the effect of compression elasticity, and elasticity makes the locating lever have the effect of automatic fastening.
Further, the upper end surface of fixed plate is equipped with the first spout of symmetry, sliding connection has the dead lever in the first spout, the lower extreme of dead lever is equipped with the stopper of symmetric distribution, the stopper sliding connection of dead lever lower extreme symmetric distribution has first spout, and the dead lever can remove the adjusting position about for the chuck has the function of adjusting length.
Further, the fixed surface of filter screen is connected with the slider of symmetry, the sliding surface of slider is connected with the second spout, the fixed surface of slider is connected with spacing post, the fixed cover in the outside of spacing post has connect the third spring, and the filter screen that sets up has gliding function for the mesh that the filter screen set up can avoid blockking up, has vibrations and prevents the function of blockking up.
Further, the upper end surface of fixed plate is equipped with the locating hole, the locating hole is the circular port that the equidistance distributes, the joint has the locating lever in the locating hole, and the locating hole that the equidistance distributes makes the shift position of fixed chuck that the staff can be quick, easy operation, save time.
Furthermore, a groove is formed in the left side of the connecting block, a second spring is connected in the groove in a contact mode, a fixing rod is connected to the left end of the second spring in a contact mode, when the second spring is extruded by the fixing rod, the second spring has the effect of compression elasticity, and the chuck has the effect of automatic fastening through the elasticity.
Further, the surface of connecting block is equipped with the spacing groove of symmetry, sliding connection has the gag lever post in the spacing groove, the lower extreme fixedly connected with dead lever of gag lever post, the gag lever post of setting have the spacing function of anticreep.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) the chuck that this scheme set up has the effect of adjusting length and automatic fastening for the staff fixes test sample convenient and fast more, has practiced thrift test time, has improved test efficiency, and the rose box that sets up has the function of preventing blockking up, has avoided the rose box to block up and has leaded to the inhomogeneous condition of salt fog diffusion in the box to take place, has improved experimental accurate nature.
(2) The shape of chuck is the arc, and the surface of chuck is equipped with logical groove, and the inboard surface of chuck is equipped with the lug, and the surface of lug is equipped with anti-skidding line, and the chuck that sets up has reduced with the area of contact on test sample surface for the test sample can be more comprehensive carry out the salt spray corrosion test, has improved experimental accuracy nature.
(3) The left side fixedly connected with locating plate of dead lever, the locating lever has been cup jointed in the lower extreme slip of locating plate, and the fixed cover in surface of locating lever has cup jointed the spacing ring, and first spring has been cup jointed in the outside of locating lever, and when first spring received the extrusion of spacing ring, has the effect of compression elasticity, and elasticity makes the locating lever have the effect of automatic fastening.
(4) The upper end surface of fixed plate is equipped with the first spout of symmetry, and sliding connection has the dead lever in the first spout, and the lower extreme of dead lever is equipped with the stopper of symmetric distribution, and the stopper sliding connection of dead lever lower extreme symmetric distribution has first spout, and adjusting position can be controlled about the dead lever for the chuck has the function of adjusting length.
(5) The fixed surface of filter screen is connected with the slider of symmetry, and the sliding surface of slider is connected with the second spout, and the fixed surface of slider is connected with spacing post, and the fixed cover in the outside of spacing post has connect the third spring, and the filter screen that sets up has gliding function for the mesh that the filter screen set up can avoid blockking up, has vibrations and prevents the function of blockking up.
(6) The upper end surface of fixed plate is equipped with the locating hole, and the locating hole is the circular port that the equidistance distributes, and the joint has the locating lever in the locating hole, and the locating hole that the equidistance distributes makes the mobile position of fixed chuck that the staff can be quick, easy operation, save time.
(7) The left side of connecting block is equipped with the recess, and the contact is connected with the second spring in the recess, and the left end contact of second spring is connected with the dead lever, and when the second spring received the extrusion of dead lever, has the effect of compression elasticity, and elasticity makes the chuck have automatic fastening's effect.
(8) The surface of connecting block is equipped with the spacing groove of symmetry, and sliding connection has the gag lever post in the spacing groove, and the lower extreme fixedly connected with dead lever of gag lever post, the gag lever post of setting have the spacing function of anticreep.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the chuck structure of the present invention;
FIG. 3 is an enlarged view of part A of the present invention;
FIG. 4 is a top view of the fixing plate and fixing rod mounting structure of the present invention;
FIG. 5 is a sectional view of the fixing rod and connecting block mounting structure of the present invention;
FIG. 6 is a cross-sectional view of the structure of the filtering box of the present invention;
fig. 7 is an enlarged view of the part B of the present invention.
The reference numbers in the figures illustrate:
the device comprises a box body 1, a fixing plate 2, a first sliding groove 21, a positioning hole 22, a fixing rod 3, a positioning plate 31, a positioning rod 311, a limiting ring 312, a first spring 313, a limiting rod 314, a connecting block 4, a groove 41, a second spring 42, a limiting groove 43, a clamping head 5, a through groove 51, a convex block 52, a salt spray nozzle 6, a filter box 7, a second sliding groove 71, a filter screen 72, a sliding block 721, a limiting column 722, a third spring 723, a baffle 725, an air inlet pipe 73, an air outlet pipe 74, a fan 741 and a cam motor 75.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-7, a salt spray corrosion test box comprises a box body 1, referring to fig. 1-7, the inner wall of the box body 1 is fixedly connected with two symmetrical fixing plates 2, the fixing plates 2 are used for fixing the position of a chuck 5, the upper ends of the fixing plates 2 are slidably connected with fixing rods 3, the right ends of the fixing rods 3 are slidably sleeved with connecting blocks 4, the right sides of the connecting blocks 4 are fixedly connected with the chuck 5, during testing, the chuck 5 is used for fixing the position of a test sample, the right side of the box body 1 is fixedly sleeved with a salt spray nozzle 6, during testing, the salt spray nozzle 6 sprays salt spray into the box body 1, the inner wall of the box body 1 is fixedly connected with a filter box 7, during testing, a filter screen 72 arranged in the filter box 7 has the function of filtering air, the inner wall of the filter box 7 is provided with two symmetrical second chutes 71, the filter, the right side of the filter screen 72 is fixedly connected with a baffle 725, the surface of the baffle 725 is sleeved with the filter box 7 in a sliding manner, the left side of the filter box 7 is fixedly connected with an air inlet pipe 73, when a fan 741 works, air enters the filter box 7 through the air inlet pipe 73, the right side of the filter box 7 is fixedly connected with an air outlet pipe 74, when the fan 741 works, the filtered air enters the box body 1 through the air outlet pipe 74, the upper end of the air outlet pipe 74 is fixedly connected with a fan 741, the fan 741 is BPT10-12-BH in type, which belongs to the prior art, the fan 741 is provided with a control switch, the control switch is connected with the fan 741 in series through a lead wire and an external power supply, the fan 741 is used for enabling the salt mist in the box body 1 to flow uniformly and attach to each surface of a test sample in a circulating manner, the inner wall of the box, the cam motor 75 is provided with a control switch, the control switch and the cam motor 75 are connected with an external power supply in series through a lead, the cam motor 75 is used for driving the filter screen 72 to slide, the filter screen 72 has the function of vibration and blockage prevention, and the left side of the cam motor 75 is connected with a baffle 725 in a contact mode.
Referring to fig. 2-4, the chuck 5 is arc-shaped, the surface of the chuck 5 is provided with a through groove 51, the inner side surface of the chuck 5 is provided with a bump 52, the surface of the bump 52 is provided with anti-slip patterns, the contact area between the set chuck 5 and the surface of a test sample is reduced, so that the test sample can be subjected to a salt spray corrosion test more comprehensively, the accuracy of the test is improved, the left side of the fixing rod 3 is fixedly connected with the positioning plate 31, the lower end of the positioning plate 31 is slidably sleeved with the positioning rod 311, the surface of the positioning rod 311 is fixedly sleeved with the limiting ring 312, the outer side of the positioning rod 311 is sleeved with the first spring 313, when the first spring 313 is extruded by the limiting ring 312, the positioning rod 311 has the effect of compression elasticity, and the.
Referring to fig. 4 and 7, the symmetrical sliding blocks 721 are fixedly connected to the surface of the filter screen 72, the second sliding grooves 71 are slidably connected to the surface of the sliding blocks 721, the limiting posts 722 are fixedly connected to the surface of the sliding blocks 721, the third springs 723 are fixedly sleeved on the outer sides of the limiting posts 722, the filter screen 72 is arranged to have a sliding function, so that meshes arranged on the filter screen 72 can be prevented from being blocked, the anti-blocking function is achieved, the positioning holes 22 are formed in the upper end surface of the fixing plate 2, the positioning holes 22 are circular holes which are distributed at equal intervals, the positioning rods 311 are clamped in the positioning holes 22, and the positioning holes 22 which are distributed at equal intervals enable a worker to quickly fix the moving position of.
Referring to fig. 4 and 5, the upper end surface of the fixing plate 2 is provided with symmetrical first sliding grooves 21, the fixing rod 3 is slidably connected in the first sliding grooves 21, the lower ends of the fixing rods 3 are provided with symmetrically distributed limiting blocks, the symmetrically distributed limiting blocks at the lower ends of the fixing rods 3 are slidably connected with the first sliding grooves 21, the fixing rod 3 can move left and right to adjust the position, so that the chuck 5 has the function of adjusting the length, the left side of the connecting block 4 is provided with a groove 41, a second spring 42 is in contact connection with the inside of the groove 41, the left end of the second spring 42 is in contact connection with the fixing rod 3, when the second spring 42 receives the extrusion of dead lever 3, have the effect of compression elasticity, elasticity makes chuck 5 have the effect of automatic fastening, and the surface of connecting block 4 is equipped with the spacing groove 43 of symmetry, and sliding connection has gag lever post 314 in the spacing groove 43, and the lower extreme fixedly connected with dead lever 3 of gag lever post 314, the gag lever post 314 of setting have the spacing function of anticreep.
When the salt spray corrosion test box is used, the positioning rod 311 is moved upwards, the positioning rod 311 moves upwards to drive the limiting ring 312 to upwards extrude the first spring 313, the first spring 313 forms compression elastic force, then the fixing rod 3 moves leftwards or rightwards, the fixing rod 3 moves to a proper position along the first sliding groove 21 and then loosens the positioning rod 311, the first spring 313 releases the elastic force, the elastic force downwards pushes the positioning rod 311, the positioning rod 311 moves downwards to be clamped into a fixed position of the fixing plate 2 in the positioning hole 22 at the position, then the symmetrical clamping heads 5 move towards two sides, the test sample is placed between the two symmetrical clamping heads 5 after the clamping heads 5 move towards the two sides, the clamping heads 5 move towards the two sides to extrude the second spring 42, the second spring 42 forms compression elastic force, the elastic force pushes the clamping heads 5 to move towards the middle position to clamp the test sample, and the arranged clamping heads 5 have the functions, the worker can fix the test sample more conveniently and rapidly, the test time is saved, the test efficiency is improved, then the cam motor 75 is started, the cam motor 75 works to drive the baffle 725 to move leftwards, the baffle 725 moves leftwards to drive the filter screen 72 to move leftwards, the filter screen 72 moves leftwards to extrude the third spring 723, the third spring 723 forms compression elastic force, the elastic force pushes the filter screen 72 rightwards, the filter screen 72 does left-right reciprocating motion under the action of the cam motor 75 and the third spring 723, then the fan 741 is started, the fan 741 is started to blow salt mist in the box body 1 to enable the salt mist to be uniformly attached to each surface of the test sample, the set filter box 7 has an anti-blocking function, the condition that the filter box 7 is blocked to cause uneven salt mist diffusion in the box body 1 is avoided, and the test accuracy is improved.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (8)
1. The utility model provides a salt spray corrosion test case, includes box (1), its characterized in that: the inner wall of the box body (1) is fixedly connected with two symmetrical fixed plates (2), the upper end of each fixed plate (2) is slidably connected with a fixed rod (3), the right end of each fixed rod (3) is slidably sleeved with a connecting block (4), the right side of each connecting block (4) is fixedly connected with a chuck (5), the right side of the box body (1) is fixedly sleeved with a salt spray nozzle (6), the inner wall of the box body (1) is fixedly connected with a filter box (7), the inner wall of the filter box (7) is provided with two symmetrical second sliding grooves (71), a filter screen (72) is slidably connected in the filter box (7), the right side of the filter screen (72) is fixedly connected with a baffle (725), the surface of the baffle (725) is slidably sleeved with the filter box (7), the left side of the filter box (7) is fixedly connected with an air inlet pipe (73), and the right side of the, the upper end fixedly connected with fan (741) of outlet duct (74), the inner wall fixedly connected with cam motor (75) of box (1), the left side contact of cam motor (75) is connected with baffle (725).
2. The salt spray corrosion test chamber of claim 1, wherein: the shape of chuck (5) is the arc, the surface of chuck (5) is equipped with logical groove (51), the inboard surface of chuck (5) is equipped with lug (52), the surface of lug (52) is equipped with anti-skidding line.
3. The salt spray corrosion test chamber of claim 1, wherein: the left side fixedly connected with locating plate (31) of dead lever (3), the lower extreme slip cup joint locating lever (311) of locating plate (31), the fixed surface of locating lever (311) has cup jointed spacing ring (312), the outside of locating lever (311) has cup jointed first spring (313).
4. The salt spray corrosion test chamber of claim 1, wherein: the upper end surface of fixed plate (2) is equipped with first spout (21) of symmetry, sliding connection has dead lever (3) in first spout (21), the lower extreme of dead lever (3) is equipped with the stopper of symmetric distribution, the stopper sliding connection of dead lever (3) lower extreme symmetric distribution has first spout (21).
5. The salt spray corrosion test chamber of claim 1, wherein: the surface of the filter screen (72) is fixedly connected with symmetrical sliding blocks (721), the surface of the sliding blocks (721) is connected with a second sliding groove (71) in a sliding mode, the surface of the sliding blocks (721) is fixedly connected with limiting columns (722), and the outer sides of the limiting columns (722) are fixedly sleeved with third springs (723).
6. The salt spray corrosion test chamber of claim 1, wherein: the upper end surface of fixed plate (2) is equipped with locating hole (22), locating hole (22) are the circular port that the equidistance distributes, positioning lever (311) have been pegged graft in locating hole (22).
7. The salt spray corrosion test chamber of claim 1, wherein: the left side of the connecting block (4) is provided with a groove (41), a second spring (42) is in contact connection in the groove (41), and the left end of the second spring (42) is in contact connection with a fixing rod (3).
8. The salt spray corrosion test chamber of claim 1, wherein: the surface of connecting block (4) is equipped with symmetrical spacing groove (43), sliding connection has gag lever post (314) in spacing groove (43), the lower extreme fixedly connected with dead lever (3) of gag lever post (314).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920797631.9U CN210015029U (en) | 2019-05-30 | 2019-05-30 | Salt spray corrosion test box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920797631.9U CN210015029U (en) | 2019-05-30 | 2019-05-30 | Salt spray corrosion test box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210015029U true CN210015029U (en) | 2020-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920797631.9U Active CN210015029U (en) | 2019-05-30 | 2019-05-30 | Salt spray corrosion test box |
Country Status (1)
| Country | Link |
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| CN (1) | CN210015029U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114495660A (en) * | 2022-01-29 | 2022-05-13 | 电子科技大学中山学院 | Insulator installation device for high-voltage insulation experiment and key mechanism thereof |
| CN114632555A (en) * | 2020-12-15 | 2022-06-17 | 上海志勤环境技术有限公司 | Walk-in high-low temperature rapid temperature change test box |
-
2019
- 2019-05-30 CN CN201920797631.9U patent/CN210015029U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114632555A (en) * | 2020-12-15 | 2022-06-17 | 上海志勤环境技术有限公司 | Walk-in high-low temperature rapid temperature change test box |
| CN114495660A (en) * | 2022-01-29 | 2022-05-13 | 电子科技大学中山学院 | Insulator installation device for high-voltage insulation experiment and key mechanism thereof |
| CN114495660B (en) * | 2022-01-29 | 2023-08-25 | 电子科技大学中山学院 | Insulator installation device for high-voltage insulation experiment and key mechanism thereof |
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Effective date of registration: 20200722 Address after: No.9, Beitai Changcheng Industrial Zone, South District, Zhongshan City, Guangdong Province Patentee after: ZHONGSHAN DIANSHI PLASTIC Co.,Ltd. Address before: 528400, Xueyuan Road, 1, Shiqi District, Guangdong, Zhongshan Patentee before: University OF ELECTRONIC SCIENCE AND TECHNOLOGY OF CHINA, ZHONGSHAN INSTITUTE |