CN218035593U - Wind-excited vibration wear simulation test device for composite insulation cross arm - Google Patents
Wind-excited vibration wear simulation test device for composite insulation cross arm Download PDFInfo
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- CN218035593U CN218035593U CN202221946619.8U CN202221946619U CN218035593U CN 218035593 U CN218035593 U CN 218035593U CN 202221946619 U CN202221946619 U CN 202221946619U CN 218035593 U CN218035593 U CN 218035593U
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Abstract
The utility model discloses a compound insulating cross arm wind excitation vibration wear simulation test device belongs to compound insulating cross arm ageing characteristic and state evaluation research technical field, the on-line screen storage device comprises a base, base one end fixed mounting has driving motor, base surface one side is provided with protection machanism, protection machanism includes transparent protection frame, transparent guard plate and spacing post at least, base surface one side is provided with transparent protection frame, transparent protection frame one end is provided with transparent guard plate, the inside symmetry of transparent protection frame is provided with spacing post, compares with prior art, the utility model discloses the beneficial effect who reaches is, through protection machanism, can carry out the separation to external most gas to gas has reduced the interference to base top detection mechanism to can be convenient for prevent dust to base top detection mechanism, prevent that external dust from getting into inside the detection mechanism on base top, thereby ensured the inside cleanness of base top detection mechanism.
Description
Technical Field
The utility model relates to a compound insulation cross arm ageing characteristic and state aassessment research technical field specifically are a compound insulation cross arm wind excitation vibration wear simulation test device.
Background
The composite insulating cross arm is made of a novel material, and has the advantages of small volume, light weight, high mechanical strength and excellent electrical performance. The novel distribution line has the advantages of corrosion resistance, ageing resistance, reduction in line maintenance cost, reduction in transportation and assembly cost, improvement in insulation level of the distribution line and the like, and the problem of small width of a reserved corridor is well solved. At present, the composite cross arm is in a rapid development trend in China, has a wide application prospect in the future, and needs to consider the influence of various external environment factors suffered by the cross arm in operation in order to realize the optimization of the overall performance of the novel composite cross arm and realize long-term net hanging operation, wherein the composite insulating cross arm is excited by breeze to generate certain frequency vibration which is always an important index for measuring the performance of a cross arm insulating material and analyzing fatigue aging resistance. The novel composite cross arm is a widely discussed technical core point, and whether the novel composite cross arm really adapts to the change of external environment working conditions so as to run for a long time is related, so that the novel composite cross arm replaces the traditional cross arm to make great development in a power grid.
The amplitude of the breeze vibration is very small and is difficult to be found in routine inspection, so that serious potential safety hazards are left for the composite cross arm for mounting the overhead conductor, which runs under the condition of the breeze vibration for a long time, and after continuous breeze vibration, the fatigue (namely the fretting fatigue) of the conductor material and the cross arm composite insulating material can suddenly break strands and wires during certain galloping or subspan vibration, even the major accident of sudden strand breaking and wire breaking can be generated under the condition of no galloping or subspan vibration, the life and the production of people are seriously influenced, and the running experience of the domestic and foreign overhead transmission lines shows that: the overhead conductor running under the topographic conditions of desert, valley, coastal areas and the like easily generates serious breeze vibration, and the overhead conductor without any protective measures can cause fatigue strand breaking due to micromotion within two weeks, so that the power loss of the power transmission line is greatly increased, the power resource is wasted, and even the conductor is broken after a plurality of strands are broken, thereby causing power failure accidents and seriously affecting the running safety of the power transmission line. In addition, it is estimated that the overhead conductor and crossarm facilities cost about 80% of the entire transmission line, and therefore, replacing the overhead conductor in the event of an accident would be a huge investment.
The invention discloses a composite insulation cross arm wind-excited vibration abrasion simulation test device, which is disclosed by Chinese patent application No. 2021 10425933.5, and comprises a combined type frame, a swing end driving mechanism, a sliding connecting rod and a composite insulation cross arm simulation assembly, wherein the sliding connecting rod and a support frame below the sliding connecting rod are combined to form an X-axis motion excitation platform, and the X-axis motion excitation platform is matched with a measuring device to ensure high-precision data output and realize accurate breeze vibration simulation; in addition, the X-axis motion excitation platform has strong adaptability, and can be used for testing and evaluating the wear resistance of the suspension string hardware fittings of different types and sizes by adjusting the height of the support frame; the invention provides a test platform which is simple in structure and convenient to use, and can simulate low-frequency large-amplitude swing and high-frequency low-amplitude breeze vibration of a wire in a distribution line, so that convenience is provided for researching the wind-excited vibration wear characteristic of a suspension string hardware fitting.
However, the device is prone to being interfered by external air, so that the device is inaccurate in detection structure, the problem of data statistics after the device is detected is further influenced, external dust is prone to being accumulated outside the detection structure, and the problem that the outer surface of the detection mechanism is dirty is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a compound insulation cross arm wind excitation vibration wear simulation test device to propose this patent and easily receive external gaseous interference in solving above-mentioned background art, thereby lead to the device to detect the structure inaccuracy, and then influenced the device and detected back data statistics's problem, and the dust in the external world is easily piled up in the detection structure outside, thereby leads to the detection mechanism surface to produce dirty indiscriminate problem.
In order to solve the technical problem, the utility model provides a following technical scheme: a wind-excited vibration wear simulation test device for a composite insulating cross arm comprises a base, wherein a driving motor is fixedly mounted at one end of the base, a protection mechanism is arranged on one side of the outer surface of the base, and the protection mechanism at least comprises a transparent protection frame, a transparent protection plate and a limiting column;
a transparent protection frame is arranged on one side of the outer surface of the base, a transparent protection plate is arranged at one end of the transparent protection frame, and limiting columns are symmetrically arranged in the transparent protection frame;
a support mechanism is fixedly arranged on one side of the base and at least comprises a moving block, a lead screw and a support piece;
a moving block is arranged on one side of the base, a lead screw is arranged at the top end of the moving block, and a supporting piece is arranged at the top end of the lead screw.
The protection mechanism comprises a transparent protection frame, a transparent protection plate, a limiting column, a spring rod, a movable plate and a rubber pad;
base surface one side sliding connection has spacing post, two connect through transparent protection frame between the spacing post one end, transparent protection frame one end fixed mounting has transparent guard plate, the welding of transparent protection frame inner wall bottom equidistance has the spring beam, and is a plurality of connect through the movable plate between the spring beam one end, movable plate one end bonds there is the rubber pad.
Preferably, a round hole is formed in the position, corresponding to one end of the limiting column, of the inner wall of the base, and the moving plate is connected with the rubber pad in a bonding mode through strong glue.
Preferably, the spring rod is mainly formed by combining a sleeve, a T-shaped column and a spring, the T-shaped column is connected with the sleeve in a sliding mode, and one end of the T-shaped column is connected with one end of the inner wall of the sleeve through the spring.
The supporting mechanism comprises a manual telescopic rod, a screw rod, a moving block, a screw rod, a supporting piece and a round rod;
the base one side fixed mounting has manual telescopic link, there is the screw rod inside the stiff end of manual telescopic link through threaded connection, manual telescopic link one end is connected with the movable block, there is the lead screw inside the movable block through threaded connection, the embedding swing joint in lead screw top has support piece, the welding of support piece bottom one side has the round bar.
Preferably, a limiting hole is formed in the position, corresponding to the bottom end of the round rod, of the top end of the moving block, and the round rod is located inside the limiting hole.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is:
1. through protection machanism, can carry out the separation to external most gas to gas interference to base top detection mechanism has been reduced, and can be convenient for prevent dust base top detection mechanism, prevent that external dust from getting into inside the detection mechanism on base top, thereby ensured the inside cleanness of base top detection mechanism.
2. Through supporting mechanism, can support the driving motor bottom, increase the holding power of driving motor bottom to make more stable of driving motor installation, prevent that driving motor both ends from because the atress is uneven, and easily lead to driving motor's connecting axle to produce crooked phenomenon.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a wind-excited vibration wear simulation test device for a composite insulating cross arm of the present invention;
FIG. 2 is a schematic structural view of the protection mechanism of the present invention;
fig. 3 is a schematic structural diagram of the supporting mechanism of the present invention;
in the figure: 1. a base; 2. a drive motor;
3. a protection mechanism; 301. a transparent protective frame; 302. a transparent protection plate; 303. a limiting post; 304. a spring lever; 305. moving the plate; 306. a rubber pad;
4. a support mechanism; 401. a manual telescopic rod; 402. a screw; 403. a moving block; 404. a screw rod; 405. a support member; 406. a round bar.
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.
Referring to fig. 1-3, the present invention provides a technical solution: a wind-excited vibration wear simulation test device for a composite insulating cross arm comprises a base 1, wherein a driving motor 2 is fixedly mounted at one end of the base 1, a protection mechanism 3 is arranged on one side of the outer surface of the base 1, and the protection mechanism 3 at least comprises a transparent protection frame 301, a transparent protection plate 302 and a limiting column 303;
a transparent protection frame 301 is arranged on one side of the outer surface of the base 1, a transparent protection plate 302 is arranged at one end of the transparent protection frame 301, and limiting columns 303 are symmetrically arranged inside the transparent protection frame 301;
one side of the base 1 is fixedly provided with a supporting mechanism 4, and the supporting mechanism 4 at least comprises a moving block 403, a screw rod 404 and a supporting piece 405;
a moving block 403 is arranged on one side of the base 1, a lead screw 404 is arranged at the top end of the moving block 403, and a support 405 is arranged at the top end of the lead screw 404.
The protection mechanism 3 comprises a transparent protection frame 301, a transparent protection plate 302, a limiting column 303, a spring rod 304, a moving plate 305 and a rubber pad 306;
base 1 surface one side sliding connection has spacing post 303, base 1 inner wall corresponds spacing post 303 one end position department and has seted up the round hole, through powerful glue adhesive connection between movable plate 305 and the rubber pad 306, can be convenient for spacing post 303's removal, the spacing removal degree of difficulty of spacing post 303 has been reduced, connect through transparent protection frame 301 between two spacing post 303 one ends, transparent protection frame 301 one end fixed mounting has transparent protection plate 302, transparent protection frame 301 inner wall bottom equidistance welding has spring beam 304, spring beam 304 mainly is by the sleeve, T type post and spring combination form, sliding connection between T type post and the sleeve, pass through spring connection between T type post one end and the sleeve inner wall one end, movable plate 305's removal of can being convenient for, the removal degree of difficulty of movable plate 305 has been reduced, connect through movable plate 305 between a plurality of spring beam 304 one end, movable plate 305 one end bonds and has rubber pad 306.
The supporting mechanism 4 comprises a manual telescopic rod 401, a screw rod 402, a moving block 403, a screw rod 404, a supporting piece 405 and a round rod 406;
base 1 one side fixed mounting has manual telescopic link 401, there is screw rod 402 inside through threaded connection of manual telescopic link 401's stiff end, manual telescopic link 401 one end is connected with movable block 403, the position department that corresponds pole 406 bottom on movable block 403 top has seted up spacing hole, pole 406 is located spacing downthehole portion, the pole 406 of can being convenient for is spacing, the spacing degree of difficulty of pole 406 has been reduced, there is lead screw 404 inside through threaded connection of movable block 403, lead screw 404 top embedding swing joint has support piece 405, support piece 405 bottom one side welding has pole 406.
The utility model discloses a theory of operation: the device is in the in-service use in-process, the user promotes transparent protection frame 301, transparent protection frame 301 drives transparent protection plate 302 and removes, and inside spacing post 303 enters into base 1, simultaneously because the tension of spring beam 304 drives movable plate 305 and removes, drive rubber pad 306 and base 1 one side laminating when movable plate 305 removes, thereby can extrude transparent protection frame 301 fixedly, and utilize transparent protection frame 301 to carry out the separation to external most gas, thereby gas interference to base 1 top detection mechanism has been reduced, and can be convenient for prevent dust to base 1 top detection mechanism, prevent that external dust from entering into inside the detection mechanism on base 1 top, thereby the inside cleanness of base 1 top detection mechanism has been ensured.
Then, a user pulls the moving block 403, the moving block 403 drives the manual telescopic rod 401 to stretch when moving, then the user rotates the lead screw 404, the lead screw 404 moves along the inside of the moving block 403 and drives the supporting piece 405 to rotate and move, and the supporting piece 405 is limited between the round rod 406 and the moving block 403, so that the supporting piece 405 can only move, the bottom end of the driving motor 2 is supported when the supporting piece 405 moves, the supporting force at the bottom end of the driving motor 2 is increased, so that the driving motor 2 is more stably installed, the phenomenon that the connecting shaft of the driving motor 2 is bent due to uneven stress at two ends of the driving motor 2 is prevented, and finally, a detection mechanism on the base 1 is used for carrying out a simulation test device.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are 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.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a compound insulating cross arm wind excitation vibration wear simulation test device, includes base (1), base (1) one end fixed mounting has driving motor (2), its characterized in that: a protection mechanism (3) is arranged on one side of the outer surface of the base (1), and the protection mechanism (3) at least comprises a transparent protection frame (301), a transparent protection plate (302) and a limiting column (303);
a transparent protection frame (301) is arranged on one side of the outer surface of the base (1), a transparent protection plate (302) is arranged at one end of the transparent protection frame (301), and limiting columns (303) are symmetrically arranged in the transparent protection frame (301);
a supporting mechanism (4) is fixedly installed on one side of the base (1), and the supporting mechanism (4) at least comprises a moving block (403), a lead screw (404) and a supporting piece (405);
a moving block (403) is arranged on one side of the base (1), a lead screw (404) is arranged at the top end of the moving block (403), and a supporting piece (405) is arranged at the top end of the lead screw (404).
2. The composite insulation cross arm wind-excited vibration wear simulation test device according to claim 1, characterized in that: the protection mechanism (3) comprises a transparent protection frame (301), a transparent protection plate (302), a limiting column (303), a spring rod (304), a moving plate (305) and a rubber pad (306);
base (1) surface one side sliding connection has spacing post (303), two connect through transparent protecting frame (301) between spacing post (303) one end, transparent protecting frame (301) one end fixed mounting has transparent protection board (302), transparent protecting frame (301) inner wall bottom equidistance welding has spring beam (304), and is a plurality of connect through movable plate (305) between spring beam (304) one end, movable plate (305) one end bonds and has rubber pad (306).
3. The composite insulation cross arm wind-excited vibration wear simulation test device according to claim 2, characterized in that: a round hole is formed in the position, corresponding to one end of the limiting column (303), of the inner wall of the base (1), and the moving plate (305) is connected with the rubber pad (306) in a bonding mode through strong glue.
4. The composite insulation cross arm wind-excited vibration wear simulation test device according to claim 2, characterized in that: the spring rod (304) is mainly formed by combining a sleeve, a T-shaped column and a spring, the T-shaped column is connected with the sleeve in a sliding mode, and one end of the T-shaped column is connected with one end of the inner wall of the sleeve through the spring.
5. The composite insulation cross arm wind-excited vibration wear simulation test device according to claim 1, characterized in that: the supporting mechanism (4) comprises a manual telescopic rod (401), a screw rod (402), a moving block (403), a lead screw (404), a supporting piece (405) and a round rod (406);
the improved manual telescopic rod is characterized in that a manual telescopic rod (401) is fixedly mounted on one side of the base (1), a screw rod (402) is connected to the inside of a fixed end of the manual telescopic rod (401) through threads, a moving block (403) is connected to one end of the manual telescopic rod (401), a lead screw (404) is connected to the inside of the moving block (403) through threads, a support (405) is movably connected to the top end of the lead screw (404) in an embedded mode, and a round rod (406) is welded to one side of the bottom end of the support (405).
6. The composite insulation cross arm wind-excited vibration wear simulation test device according to claim 5, characterized in that: a limiting hole is formed in the position, corresponding to the bottom end of the round rod (406), of the top end of the moving block (403), and the round rod (406) is located in the limiting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221946619.8U CN218035593U (en) | 2022-07-27 | 2022-07-27 | Wind-excited vibration wear simulation test device for composite insulation cross arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221946619.8U CN218035593U (en) | 2022-07-27 | 2022-07-27 | Wind-excited vibration wear simulation test device for composite insulation cross arm |
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| Publication Number | Publication Date |
|---|---|
| CN218035593U true CN218035593U (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221946619.8U Active CN218035593U (en) | 2022-07-27 | 2022-07-27 | Wind-excited vibration wear simulation test device for composite insulation cross arm |
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| CN (1) | CN218035593U (en) |
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2022
- 2022-07-27 CN CN202221946619.8U patent/CN218035593U/en active Active
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