CN203811377U - Mechanical fatigue test machine for arresters - Google Patents
Mechanical fatigue test machine for arresters Download PDFInfo
- Publication number
- CN203811377U CN203811377U CN201420226005.1U CN201420226005U CN203811377U CN 203811377 U CN203811377 U CN 203811377U CN 201420226005 U CN201420226005 U CN 201420226005U CN 203811377 U CN203811377 U CN 203811377U
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- CN
- China
- Prior art keywords
- lightning arrester
- mechanical fatigue
- test machine
- fatigue test
- guide rail
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Abstract
The utility model discloses a mechanical fatigue test machine for arresters. The mechanical fatigue test machine comprises a pedestal which is provided with a workbench and a support frame. An elevating motor is arranged on the top of the support frame, a guide rail and an elevating leading screw are arranged perpendicularly to the pedestal. The tops of the guide rail and the elevating leading screw are connected with the support frame respectively. A movable support provided with a connecting device is mounted on the guide rail, and the connecting device is connected with the elevating leading screw and is provided with a servo electric cylinder which is connected with the elevating motor through leads. The mechanical fatigue test machine can test and determine fatigue case of a used arrester, and can acquire mechanical fatigue case of the arrester by testing wobbling case in all directions of a simulation arrester. The mechanization degree and the fixed precision are high, the operation is simple, and the mechanical fatigue state of the arrester can be achieved conveniently and rapidly in a testing process.
Description
Technical field
The utility model belongs to testing apparatus technical field, is specifically related to a kind of lightning arrester mechanical fatigue test machine.
Background technology
At present, fatigue tester on market is all for measuring fatigue properties, fatigue lifetime, precrack and the crack growth test of metal, alloy material and member thereof (as operation joint, fastener, helical motion part etc.) stretching, compression or the tension and compression stress alternation under room temperature state, its principle of work is all to adopt Hydraulic Station and hydraulic cylinder to carry out the control of power value, this mode not only response speed is slow, and serviceable life is shorter.
Lightning arrester is the insulating property for the protection of AC input transformation device; make it avoid a kind of metal oxide of lightning surge and switching overvoltage infringement; lightning arrester is arranged on transmission line of electricity mostly; can be along with wind direction swings back and forth; along with increasing of number of oscillations, lightning arrester there will be the fatigue phenomenons such as crackle.But because existing fatigue tester exists the situation that cannot fix, simulate and record lightning arrester, therefore now also do not test the equipment of the tired situation of lightning arrester.
Utility model content
The purpose of this utility model is to provide a kind of lightning arrester mechanical fatigue test machine, and the tired situation that can use lightning arrester is tested and determined.
The technical scheme that the utility model adopts is: a kind of lightning arrester mechanical fatigue test machine, comprise base, on base, be respectively arranged with worktable and bracing frame, bracing frame top is provided with lifting motor, perpendicular to base, be also respectively arranged with guide rail and elevating screw, the top of guide rail is connected with bracing frame respectively with the top of elevating screw, on guide rail, be connected with travel(l)ing rest, on travel(l)ing rest, be provided with coupling arrangement, coupling arrangement is also connected with elevating screw, on coupling arrangement, be provided with servo electric jar, servo electric jar is connected by wire with lifting motor.
Feature of the present utility model is also,
Also comprise the stop means being arranged on bracing frame sidewall, stop means comprises the vertical slot being arranged at respectively on two sidewalls of bracing frame, the inner side at the two ends up and down of two vertical slots respectively correspondence is provided with limit switch, between two vertical slots, by cross bar, is connected, and cross bar is through coupling arrangement.
Guide rail and elevating screw are respectively arranged with two, and two guide rails are connected with travel(l)ing rest moving up and down jointly, and two elevating screws are connected with coupling arrangement jointly.
On two guide rails, be sheathed with respectively clamp device, two clamp devices are arranged at the lower end of travel(l)ing rest, and clamp device is rubber.
Guide rail is cylindrical.
Worktable is circular, and worktable central authorities are provided with lightning arrester and insert platform, on worktable, along its diametric(al), are evenly provided with even number groove, is provided with one and inserts pull unit that platform is connected and that move with lightning arrester in groove in each groove.
The beneficial effects of the utility model are: the tired situation that a kind of lightning arrester mechanical fatigue test machine of the present utility model can be used lightning arrester is tested and determined, the situation that a kind of lightning arrester mechanical fatigue test machine of the present utility model swings in all directions by test simulation lightning arrester obtains the mechanical fatigue situation of lightning arrester, in its test process, mechanization degree is high, fixed precision is high, simple to operate, can obtain easily the mechanical fatigue situation of lightning arrester.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of lightning arrester mechanical fatigue test machine of the present utility model;
Fig. 2 is the side view of a kind of lightning arrester mechanical fatigue test machine of the present utility model;
Fig. 3 is the structural representation of a kind of lightning arrester mechanical fatigue test machine worktable of the present utility model.
In figure, 1. base, 2. worktable, 3. guide rail, 4. coupling arrangement, 5. travel(l)ing rest, 6. bracing frame, 7. lifting motor, 8. elevating screw, 9. stop means, 10. servo electric jar, 11. clamp devices, 12. lightning arresters, 21. lightning arresters insert platform, 22. grooves, 23. pull unit, 91. vertical slots, 92. cross bars, 93 limit switches.
Embodiment
Below in conjunction with embodiment, the utility model is elaborated.
The structure of a kind of lightning arrester mechanical fatigue test machine that the utility model provides as shown in Figure 1, comprise base 1, on base 1, be respectively arranged with worktable 2 and bracing frame 6, bracing frame 6 tops are provided with lifting motor 7, perpendicular to base 1, be also respectively arranged with guide rail 3 and elevating screw 8, the top of the top of guide rail 3 and elevating screw 8 is connected with bracing frame 6 respectively, on guide rail 3, be connected with travel(l)ing rest 5, on travel(l)ing rest 5, be provided with coupling arrangement 4, coupling arrangement 4 is also connected with elevating screw 8, on coupling arrangement 4, be provided with servo electric jar 10, servo electric jar 10 is connected by wire with lifting motor 7.
As shown in Figure 2, also comprise the stop means 9 being arranged on bracing frame 6 sidewalls, stop means 9 comprises the vertical slot 91 being arranged at respectively on 6 two sidewalls of bracing frame, the inner side at the two ends up and down of two vertical slots 91 respectively correspondence is provided with limit switch 93, between two vertical slots 91, by cross bar 92, be connected, cross bar 92 is through coupling arrangement 4.
Guide rail 3 and elevating screw 8 are respectively arranged with two, and two guide rails 3 are connected with travel(l)ing rest 5 moving up and down jointly, and two elevating screws 8 are connected with coupling arrangement 4 jointly.
On two guide rails 3, be sheathed with respectively the lower end that 11, two clamp devices 11 of clamp device are arranged at travel(l)ing rest 5, and clamp device 11 is rubber.
Guide rail 3 is cylindrical.
As shown in Figure 3, worktable 2 is circular, worktable 2 central authorities are provided with lightning arrester and insert platform 21, on worktable 2, along its diametric(al), are evenly provided with even number groove 22, in each groove 22, be provided with one that be connected with lightning arrester insertion platform 21 and in the pull unit 23 of groove 22 interior movements.
The pull unit 23 of upright control rack and groove 22 interior settings is electrically connected, and upright control rack is controlled pull unit 23 in the interior movement of groove 22 by electrical connection.
The lightning arrester that the lower end of lightning arrester to be tested 12 is inserted to worktable 2 centers inserts in platform 21 fixing, start lifting motor 7 and control servo electric jar 10 work, servo electric jar 10 is controlled ball-screw 8 by coupling arrangement 4 and is slowly accurately moved, now travel(l)ing rest 5 moves on guide rail 3, coupling arrangement 4 on travel(l)ing rest 5 contacts with lightning arrester 12 to be tested, lifting motor 7 quits work, by coupling arrangement 4, lightning arrester to be tested 12 upper ends are fixed, can carry out high-precision contact to the lightning arrester 12 of differing heights like this fixes, thereby and avoided lightning arrester 12 to cause deformation impact test effect, finally by upright control rack, controlling pull unit 23 hauls lightning arrester and inserts platform 21 lightning arrester 12 bottoms that lightning arrester is inserted on platform 21 that move around and swing back and forth, by simulating like this lightning arrester 12 swing process under normal circumstances, the data of the mechanical fatigue of lightning arrester 12 in swing process can convert sinusoidal waveform figure in the demonstration screen display of upright control rack, by analyzing this sinusoidal waveform figure, just can obtain the mechanical fatigue situation of lightning arrester 12, and the clamp device 11 that travel(l)ing rest 5 bottoms are linked on guide rail 3 can play in lightning arrester 12 swing process the buffer protection of whole device and fixing effect, prevent firmly touching between travel(l)ing rest 5 and guide rail 3.
When coupling arrangement 4 moves up and down, also can drive cross bar 92 correspondences through it to move up and down, when cross bar 93 moves to the two ends up and down of vertical slot 91, can touch the limit switch 93 that is positioned at vertical slot 91 two ends, limit switch 93 can give the alarm and remind operating personnel to note.
A kind of lightning arrester mechanical fatigue test machine of the present utility model adopts servo electric jar to carry out the control of power value, fast response time not only, long service life, and can be more fixing lightning arrester, make the sinusoidal wave precision of loading higher, therefore make test result more accurate.
The mechanical fatigue situation that a kind of lightning arrester mechanical fatigue test machine of the present utility model also can be used for testing porcelain vase, support insulator.
By the way, the tired situation that a kind of lightning arrester mechanical fatigue test machine of the present utility model can be used lightning arrester is tested and is determined, the situation that a kind of lightning arrester mechanical fatigue test machine of the present utility model swings in all directions by test simulation lightning arrester obtains the mechanical fatigue situation of lightning arrester, in its test process, mechanization degree is high, fixed precision is high, simple to operate, can obtain easily the mechanical fatigue situation of lightning arrester.
Claims (6)
1. a lightning arrester mechanical fatigue test machine, it is characterized in that, comprise base (1), on base (1), be respectively arranged with worktable (2) and bracing frame (6), bracing frame (6) top is provided with lifting motor (7), perpendicular to base (1), be also respectively arranged with guide rail (3) and elevating screw (8), the top of the top of guide rail (3) and elevating screw (8) is connected with bracing frame (6) respectively, on guide rail (3), be connected with travel(l)ing rest (5), on travel(l)ing rest (5), be provided with coupling arrangement (4), coupling arrangement (4) is also connected with elevating screw (8), on coupling arrangement (4), be provided with servo electric jar (10), servo electric jar (10) is connected by wire with lifting motor (7).
2. a kind of lightning arrester mechanical fatigue test machine as claimed in claim 1, it is characterized in that, also comprise the stop means (9) being arranged on bracing frame (6) sidewall, stop means (9) comprises the vertical slot (91) being arranged at respectively on (6) two sidewalls of bracing frame, the inner side at the two ends up and down of two vertical slots (91) respectively correspondence is provided with limit switch (93), between two vertical slots (91), by cross bar (92), be connected, cross bar (92) is through coupling arrangement (4).
3. a kind of lightning arrester mechanical fatigue test machine as claimed in claim 1, it is characterized in that, described guide rail (3) and elevating screw (8) are respectively arranged with two, two guide rails (3) are connected with travel(l)ing rest moving up and down (5) jointly, and two elevating screws (8) are connected with coupling arrangement (4) jointly.
4. a kind of lightning arrester mechanical fatigue test machine as claimed in claim 3, it is characterized in that, on described two guide rails (3), be sheathed with respectively clamp device (11), two clamp devices (11) are arranged at the lower end of travel(l)ing rest (5), and clamp device (11) is rubber.
5. a kind of lightning arrester mechanical fatigue test machine as described in claim 1 or 3, is characterized in that, described guide rail (3) is cylindrical.
6. a kind of lightning arrester mechanical fatigue test machine as claimed in claim 1, it is characterized in that, described worktable (2) is circular, worktable (2) central authorities are provided with lightning arrester and insert platform (21), worktable (2) is upper is evenly provided with even number groove (22) along its diametric(al), is provided with one and inserts pull unit (23) that platform (21) is connected and that move with lightning arrester in groove (22) in each groove (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420226005.1U CN203811377U (en) | 2014-05-05 | 2014-05-05 | Mechanical fatigue test machine for arresters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420226005.1U CN203811377U (en) | 2014-05-05 | 2014-05-05 | Mechanical fatigue test machine for arresters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203811377U true CN203811377U (en) | 2014-09-03 |
Family
ID=51450113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420226005.1U Active CN203811377U (en) | 2014-05-05 | 2014-05-05 | Mechanical fatigue test machine for arresters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203811377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103969038A (en) * | 2014-05-05 | 2014-08-06 | 宝鸡市恒森电力设备有限责任公司 | Mechanical fatigue testing machine for lightning arrester |
-
2014
- 2014-05-05 CN CN201420226005.1U patent/CN203811377U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103969038A (en) * | 2014-05-05 | 2014-08-06 | 宝鸡市恒森电力设备有限责任公司 | Mechanical fatigue testing machine for lightning arrester |
| CN103969038B (en) * | 2014-05-05 | 2016-06-01 | 宝鸡市恒森电力设备有限责任公司 | Thunder arrester mechanical fatigue test machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |