CN210376080U - Stress corrosion resistance test device for insulator core rod - Google Patents
Stress corrosion resistance test device for insulator core rod Download PDFInfo
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- CN210376080U CN210376080U CN201921054174.0U CN201921054174U CN210376080U CN 210376080 U CN210376080 U CN 210376080U CN 201921054174 U CN201921054174 U CN 201921054174U CN 210376080 U CN210376080 U CN 210376080U
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- core rod
- liquid storage
- test device
- storage part
- plug
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Abstract
The embodiment of the utility model provides an insulator plug stress corrosion resistance test device belongs to plug test equipment technical field, test device includes: the liquid storage part is internally provided with an accommodating space, and the accommodating space can accommodate acid liquid and the core rod; the support frame is fixedly arranged on the ground or the liquid storage part; the fixing part is connected with the support frame, is arranged on the outer side of the liquid storage part and can fix the core rod; and a vibrating section provided on the mandrel bar; wherein the fixing portion suspends the plug relative to the liquid storage portion, and vibrates the plug by the vibration portion. The actual working environment of the core rod can be simulated more accurately, and the test result is more real.
Description
Technical Field
The invention relates to the technical field of core rod test equipment, in particular to an insulator core rod stress corrosion resistance test device.
Background
The insulator is used as a main carrier of a connecting circuit in a power grid, is an important supporting point for supporting the power grid, and has self-evident importance. Experience at home and abroad shows that a lot of line accidents are the problems of insulator quality and operation age, and are the root cause of line flashover. The composite insulator has poor mechanical property, and the insulator core rod is corroded and broken by acid rain and is a great reason for causing line flashover.
In order to prevent the occurrence of the similar accidents, the composite insulator core rod is subjected to a stress corrosion resistance test; however, the existing stress corrosion resistant equipment is coated on the core rod, only acid rain corrosion is simulated by acid liquor soaking, and the obtained data can not accurately reflect the service life of the core rod in actual use.
Therefore, the technical problems of the prior art are as follows: the test device can only reflect the corrosion state under the static condition and cannot accurately reflect the actual working life of the core rod.
Disclosure of Invention
The embodiment of the application provides an insulator core rod stress corrosion resistance test device, which solves the technical problem that the test device in the prior art can only reflect the corrosion state under the static condition and can not accurately reflect the actual working life of the core rod; the actual working environment of the core rod can be simulated more accurately, and the test result is more real.
The embodiment of the application provides an insulator plug stress corrosion resistance test device, test device includes: the liquid storage part is internally provided with an accommodating space, and the accommodating space can accommodate acid liquid and the core rod; the support frame is fixedly arranged on the ground or the liquid storage part; the fixing part is connected with the support frame, is arranged on the outer side of the liquid storage part and can fix the core rod; and a vibrating section provided on the mandrel bar; wherein the fixing portion suspends the plug relative to the liquid storage portion, and vibrates the plug by the vibration portion.
Preferably, the upper end of the liquid storage part is provided with an end cover, the end cover is provided with a containing hole, and the containing hole contains the core rod.
Preferably, the housing hole is provided with an elastic ring with respect to the mandrel.
Preferably, a baffle is arranged in the accommodating space and is positioned above the acid liquor; and the baffle plate is provided with a telescopic sleeve relative to the core rod, and the telescopic sleeve can be sleeved on the core rod.
Preferably, the caliber of the telescopic sleeve is gradually reduced from top to bottom.
Preferably, the fixing portion includes: the fixing head is clamped and fixed with the core rod; the connecting piece is connected with the fixing head and the supporting frame; the fixing head is arranged below the supporting frame and is in a suspended state through the connecting piece.
Preferably, the middle of the fixing head is provided with a clamping cavity, the fixing head is provided with a fastening bolt, and the fastening bolt acts on the fixing head to change the clamping range of the clamping cavity.
Preferably, the vibration part includes: a vibration motor; a belt acting on the vibration motor and the mandrel to move the vibration motor and the mandrel synchronously.
One or more technical solutions in the embodiments of the present application have at least one or more of the following technical effects:
1. in the embodiment of the application, the mandrel is suspended in the liquid storage part through the matching of the support frame and the fixing part, and the effect of the vibration part is added, so that the mandrel is shaken, the shaking caused by raindrops and wind in rainy days is simulated, and the corrosion condition of the mandrel under the action of acid liquor is closer to reality; the technical problem that a test device in the prior art can only reflect the corrosion state under a static condition and cannot accurately reflect the actual working life of the core rod is solved; the actual working environment of the core rod can be simulated more accurately, and the test result is more real.
2. In the embodiment of the application, the baffle and the telescopic sleeve are arranged to prevent the acid liquor from volatilizing, and the elastic ring is prevented from being influenced by the acid liquor and reducing the service life; the replacement of the telescopic sleeve is low in cost and convenient and fast relative to the replacement of the elastic ring.
Drawings
FIG. 1 is a schematic structural diagram of an insulator core rod stress corrosion resistance test apparatus in an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a vibrating portion and a fixing portion in an embodiment of the present application;
FIG. 3 is a schematic top view of a fixing portion in the embodiment of the present application;
fig. 4 is an enlarged view of a point a in fig. 1.
Reference numerals: 1. a liquid storage part; 11. an end cap; 111. an elastic ring; 12. a baffle plate; 121. a telescopic sleeve; 122. a guide plate; 13. an outer connecting hole; 2. acid liquor; 3. a support frame; 4. a fixed part; 41. a fixed head; 411. fastening a bolt; 412. a spring; 413. lifting lugs; 42. a connecting member; 5. a vibrating section; 51. a vibration motor; 52. a liner; 53. a belt; 6. and (4) a core rod.
Detailed Description
The embodiment of the application provides a stress corrosion resistance test device for an insulator mandrel, wherein the mandrel 6 is suspended in a liquid storage part 1 through the matching of a support frame 3 and a fixing part 4, and the effect of a vibration part 5 is added, so that the mandrel 6 shakes, rain drops and wind in rainy days are simulated to shake the mandrel 6, and the corrosion condition of the mandrel 6 under the effect of acid liquid 2 is closer to reality; the technical problem that a test device in the prior art can only reflect the corrosion state under a static condition and cannot accurately reflect the actual working life of the core rod 6 is solved; the actual working environment of the core rod 6 can be simulated more accurately, so that the test result is more real.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Example one
The utility model provides an insulator plug stress corrosion resistance test device, test device includes: a liquid storage part 1, a support frame 3, a fixing part 4 and a vibration part 5. Wherein a mandrel 6 is contained in the liquid storage section 1, the mandrel 6 is suspended from the liquid storage section 1 by the fixing section 4, and the mandrel 6 is vibrated by the vibrating section 5.
The liquid storage device comprises a liquid storage part 1, wherein an accommodating space is arranged in the liquid storage part 1, and acid liquid 2 and a core rod 6 can be accommodated in the accommodating space; the upper end of the liquid storage part 1 is provided with an end cover 11, the end cover 11 is provided with a containing hole, the containing hole contains the core rod 6, and the containing hole is provided with an elastic ring 111 relative to the core rod 6.
Wherein, a baffle plate 12 is arranged in the containing space of the liquid storage part 1, and the baffle plate 12 is positioned above the acid liquid 2; and the baffle 12 is provided with a telescopic sleeve 121 relative to the core rod 6, the caliber of the telescopic sleeve 121 is gradually reduced from top to bottom, and the core rod 6 with a different specification can be sleeved by simply shearing the telescopic sleeve 121. The matching of the telescopic sleeve 121 and the baffle 12 can prevent the acid liquor 2 from corroding the end cover 11 and the elastic ring 111, and the volatilization and leakage of the acid liquor 2 are avoided as much as possible. In order to further prolong the service life of the telescopic sleeve 121, a guide plate 122 is arranged on the outer side of the telescopic sleeve 121, the guide plate 122 is connected with the baffle 12, so that the acid liquid 2 which originally moves to the telescopic sleeve 121 can be guided away, and the telescopic sleeve 121 is prevented from being acted by a large amount of acid liquid 2 for a long time.
Wherein, the liquid storage part 1 is provided with an external hole 13, and the external hole 13 is higher than the liquid level of the acid liquid 2 and is positioned below the baffle 12; when the acid liquid 2 needs to flow or the environment temperature needs to be simulated, the external connection hole 13 can be opened, and gas is introduced to promote the flow of the acid liquid 2, or a heating rod is arranged; a screw seal is used when the outer port 13 is not required.
The support frame 3, the support frame 3 is fixed to be set up on liquid storage portion 1, and the support frame 3 is located the top of liquid storage portion 1, and after being convenient for fixed plug 6, plug 6 is in unsettled state. The height of the support frame 3 can be adjusted in a telescopic mode, so that the support frame can be suitable for detection of core rods 6 with different length specifications.
The fixing part 4 is connected with the support frame 3 in a hanging mode, the fixing part 4 is arranged above the outer side of the liquid storage part 1, and the fixing part 4 comprises a fixing head 41 and a connecting piece 42. The fixing head 41 is disposed below the supporting frame 3, and the fixing head 41 is suspended by the connecting member 42.
The middle of the fixed head 41 is provided with a clamping cavity, and the clamping range of the clamping cavity is adjusted to fix the core rod 6; and the fixing head 41 is provided with a fastening bolt 411, and the fastening bolt 411 acts on the fixing head 41 to change the clamping range of the clamping cavity. In order to prevent the fastening bolt 411 from loosening, a section of spring 412 is sleeved between the fixing head 41 and the fastening bolt 411, and the fastening bolt 411 is pressed by the elastic force of the spring 412, so that the fastening bolt 411 is prevented from loosening relative to the thread. In order to suspend the fixed head 41, a lifting lug 413 is disposed on an outer side surface or an upper end surface of the fixed head 41 for connection during suspension.
The connecting piece 42, the said connecting piece 42 connects the lifting lug 413 of the said fixed head 41 and the said supporting arm 3; the connecting member 42 may be selected from a wire rope, a steel wire or a steel wire.
A vibrating section 5, the vibrating section 5 being provided on the mandrel bar 6; the fixing section 4 suspends the plug 6 in the liquid storage section 1, and vibrates the plug 6 by the vibrating section 5. The vibrating portion 5 includes: the power supply of the vibration motor 51 can be externally arranged in a mode of connecting a power line, and the vibration motor 51 can be arranged on the core rod 6 in a mode of adopting a mobile power supply; a belt 53, wherein the belt 53 acts on the vibration motor 51 and the mandrel 6 to move the vibration motor 51 and the mandrel 6 synchronously; in order to avoid abrasion on the core rod 6 when the vibration motor 51 is attached to the core rod 6 and also prevent the vibration motor 51 from loosening relative to the core rod 6, a gasket 52 is inserted between the vibration motor 51 and the core rod 6, and a strap 53 is tightened to deform the gasket 52, so that the vibration motor 51 and the core rod 6 can stably and synchronously shake.
The working principle is as follows:
with the unsettled joint of plug 6, utilize vibrating motor 51 to drive plug 6 shake for plug 6 is detected under the dual effect of acidizing fluid 2 and shake, makes the test press close to actual environment, and the test result is more accurate.
The technical effects are as follows:
1. in the embodiment of the application, the mandrel is suspended in the liquid storage part through the matching of the support frame and the fixing part, and the effect of the vibration part is added, so that the mandrel is shaken, the shaking caused by raindrops and wind in rainy days is simulated, and the corrosion condition of the mandrel under the action of acid liquor is closer to reality; the technical problem that a test device in the prior art can only reflect the corrosion state under a static condition and cannot accurately reflect the actual working life of the core rod is solved; the actual working environment of the core rod can be simulated more accurately, and the test result is more real.
2. In the embodiment of the application, the baffle and the telescopic sleeve are arranged to prevent the acid liquor from volatilizing, and the elastic ring is prevented from being influenced by the acid liquor and reducing the service life; the replacement of the telescopic sleeve is low in cost and convenient and fast relative to the replacement of the elastic ring.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. The utility model provides an insulator plug stress corrosion resistance test device which characterized in that, test device includes:
the liquid storage part is internally provided with an accommodating space, and the accommodating space can accommodate acid liquid and the core rod;
the support frame is fixedly arranged on the ground or the liquid storage part;
the fixing part is connected with the support frame, is arranged on the outer side of the liquid storage part and can fix the core rod; and
a vibrating section provided on the mandrel bar;
wherein the fixing portion suspends the plug relative to the liquid storage portion, and vibrates the plug by the vibration portion.
2. The testing apparatus as claimed in claim 1, wherein an end cap is provided at the upper end of the liquid storage part, and a receiving hole is provided on the end cap, and the receiving hole receives the core rod.
3. The testing apparatus of claim 2, wherein the receiving bore is provided with a resilient ring relative to the mandrel.
4. The testing apparatus according to claim 1, wherein a baffle is disposed in the accommodating space, and the baffle is located above the acid solution; and the baffle plate is provided with a telescopic sleeve relative to the core rod, and the telescopic sleeve can be sleeved on the core rod.
5. The test device as claimed in claim 4, wherein the bore of the telescope is tapered from top to bottom.
6. The test device of claim 1, wherein the securing portion comprises:
the fixing head is clamped and fixed with the core rod;
the connecting piece is connected with the fixing head and the supporting frame;
the fixing head is arranged below the supporting frame and is in a suspended state through the connecting piece.
7. The test device as claimed in claim 6, wherein a clamping cavity is arranged in the middle of the fixing head, and a fastening bolt is arranged on the fixing head and acts on the fixing head to change the clamping range of the clamping cavity.
8. The test device according to claim 1, wherein the vibrating portion includes:
a vibration motor;
a belt acting on the vibration motor and the mandrel to move the vibration motor and the mandrel synchronously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921054174.0U CN210376080U (en) | 2019-07-08 | 2019-07-08 | Stress corrosion resistance test device for insulator core rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921054174.0U CN210376080U (en) | 2019-07-08 | 2019-07-08 | Stress corrosion resistance test device for insulator core rod |
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| Publication Number | Publication Date |
|---|---|
| CN210376080U true CN210376080U (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921054174.0U Active CN210376080U (en) | 2019-07-08 | 2019-07-08 | Stress corrosion resistance test device for insulator core rod |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112444441A (en) * | 2020-11-18 | 2021-03-05 | 江西省萍乡市南坑高压电瓷厂 | Tensile testing device for electric porcelain insulator |
-
2019
- 2019-07-08 CN CN201921054174.0U patent/CN210376080U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112444441A (en) * | 2020-11-18 | 2021-03-05 | 江西省萍乡市南坑高压电瓷厂 | Tensile testing device for electric porcelain insulator |
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