CN204228399U - A kind of fatigue tester - Google Patents
A kind of fatigue tester Download PDFInfo
- Publication number
- CN204228399U CN204228399U CN201420724636.6U CN201420724636U CN204228399U CN 204228399 U CN204228399 U CN 204228399U CN 201420724636 U CN201420724636 U CN 201420724636U CN 204228399 U CN204228399 U CN 204228399U
- Authority
- CN
- China
- Prior art keywords
- spring
- lever
- wedge
- loaded device
- erecting frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002184 metal Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 4
- 238000011056 performance test Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 239000007937 lozenge Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to material and component performance test field, particularly discloses a kind of fatigue tester.It comprises array passage, often organize passage and comprise the afterburning lever controlled by electromagnetic actuator, spring-loaded device erecting frame is provided with in the side of afterburning lever, spring-loaded device erecting frame stretches out a cantilever lever, the part that cantilever lever is positioned at spring-loaded device erecting frame is provided with spring-loaded device, binding post and swing wedge-shaped catch, afterburning lever in spring-loaded device erecting frame is installed with stationary wedge block, hinged by rotating shaft between stationary wedge block and swing wedge-shaped catch; Be provided with fixture in the outer end of cantilever lever, be provided with lower clamp below upper fixture, connected load sensor below lower clamp, connects cross-over block below described load sensor, and described cross-over block is positioned on the grooved seat of left and right directions setting.The utility model effectively can carry out the less power of the loads such as relay contact and control torture test.
Description
(1) technical field
The utility model relates to material and component performance test field, particularly a kind of fatigue tester.
(2) background technology
Existing fatigue tester has three kinds substantially, one is electrohydraulic servo motor fatigue tester, one is pulse fatigue testing machine, one is electromagnetic type fatigue tester, the test force of these testing machines is all larger, Smaller load torture test (below 10N) cannot be realized, even if reluctantly for it, price is also very expensive.
Relay is a kind of electric control device, is the automatic switch element with isolation features, and it is actually the one " automatic switch " going to control big current running with small area analysis.Be widely used in, in remote control, remote measurement, communication, automatically control, electromechanical integration and power electronic equipment, playing the effects such as automatic adjustment, safeguard protection, change-over circuit in circuit.It is one of most important control element.
The contact of relay is exactly be in Chang Kai or normally closed state, is namely simply interpreted as that the contact that the contact that signal is connected or disconnected just is relay often left or often close by switch.
Relay contact is the most important components of relay.Their performance affects by the very large of following factor, the material of such as contact, institute's making alive and current value (particularly make contact encourage and de-energisation time voltage and current waveform), the type of load, frequency of operation, atmospheric environment, contact configurations and beating.If wherein any factor can not meet predetermined value, the metal electro-deposition that may will occur such as between contact, contact weld, wearing and tearing, or contact resistance such as to increase fast at the problem.
Failure conditions most in the actual use of relay is because the Problem of Failure of relay contact causes.Therefore in the charged situation of simulation, carry out the real work situation of relay contact, that carries out that torture test just becomes is extremely important, this exploitation to relay contact material, use the relay design such as the determination of the size of electric current, contact dynamics size, relay life to manufacture in key problem extremely important.
(3) summary of the invention
The utility model, in order to make up the defect of prior art, provides a kind of fatigue tester for Smaller load testing fatigue, and it effectively can carry out the less power of the loads such as relay contact and control torture test.
The utility model is achieved by the following technical solution:
A kind of fatigue tester, comprise array passage, it is characterized in that, often organize the contact base that passage comprises the fulcrum both sides being positioned at afterburning lever, electromagnetic actuator is provided with below contact base, spring-loaded device erecting frame is provided with in the side of afterburning lever, a cantilever lever is stretched out from spring-loaded device erecting frame, the part that cantilever lever is positioned at spring-loaded device erecting frame is provided with spring-loaded device, binding post and swing wedge-shaped catch, described cantilever lever is inner to be connected by the insulation web joint of cantilever lever the inner with swing wedge-shaped catch, the wedge surface of described swing wedge-shaped catch upward, described spring-loaded device comprises the spring be fixed on cantilever lever and the power adjustment screw be positioned at for regulating spring pressure size on spring-loaded device erecting frame, afterburning lever in spring-loaded device erecting frame is installed with stationary wedge block, the wedge surface of described stationary wedge block down and be positioned at swing wedge-shaped catch wedge surface above, described stationary wedge block and swing between wedge-shaped catch hinged by rotating shaft, be provided with fixture in the outer end of cantilever lever, be provided with lower clamp below upper fixture, connected load sensor below lower clamp, connects cross-over block below described load sensor, and described cross-over block is positioned on the grooved seat of left and right directions setting, described afterburning lever, stationary wedge block, swing wedge-shaped catch and cantilever lever are all made up of conducting metal.
Described cantilever lever outer end is hinged with the adjusting lever that can adjust angle up and down, and described adjusting lever is connected with upper fixture, and described adjusting lever is made up of conducting metal.
Described passage has three groups.
The beneficial effects of the utility model are:
1, driving device of the present invention is electromagnetic actuator, employ DC electromagnet driving and carry out torture test, because DC electromagnet is cheap, reaction velocity is fast, controllability good, the advantage of dependable performance, effectively can be applied to Smaller load, hyperchannel fatigue tester.
2, the present invention tests while can carry out three pairs of relay contacts, only needing gets up three contact series powers simultaneously, another three contacts are also together in series, sequential control electromagnetic actuator, make three pairs of relay contact progressive contact, such electric current only by the contact of a pair contact, will can use same group for the fatigue behaviour of electrical testing three pairs of contacts.
3, the present invention devises lever spring Adjustment Tests force loading device, can in effective range the test force of continuous setup contact point.Be designed with binding post, current/voltage when measured relay contact uses can be applied.The actual working state of energy analogue relay contact.
(4) accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described:
Fig. 1 is main TV structure schematic diagram of the present utility model;
Fig. 2 is left TV structure schematic diagram of the present utility model;
Fig. 3 is the main TV structure schematic diagram of passage;
Fig. 4 is the design sketch of afterburning lever when doing counterclockwise movement;
Fig. 5 is the design sketch of afterburning lever when doing clockwise movement;
Fig. 6 is the main TV structure schematic diagram swinging wedge-shaped catch;
Fig. 7 swings the overlooking of wedge-shaped catch, broken section structural representation;
Fig. 8 is the main TV structure schematic diagram of stationary wedge block;
Fig. 9 is the overlooking of stationary wedge block, broken section structural representation.
In figure, 1 frame, 2 grooved seat, 3 cross-over blocks, fixture on 4,5 lower clamps, 6 adjusting levers, 7 cantilever levers, 8 electromagnetic actuators, 9 contact bases, 10 fulcrums, 11 afterburning levers, 12 spring-loaded device erecting frames, 13 stationary wedge blocks, 14 rotating shafts, 15 swing wedge-shaped catch, 16 insulation web joints, 17 power adjustment screws, 18 springs, 19 spring fixed seats, 20 binding posts, 21 contacts, 22 passages, 23 load sensors.
(5) embodiment
Accompanying drawing is specific embodiment of the utility model.As shown in Figures 1 to 9, this kind of fatigue tester, comprise three groups of passages 22, often organize the contact base 9 that passage 22 comprises fulcrum 10 both sides being positioned at afterburning lever 11, electromagnetic actuator 8 is provided with below contact base 9, two electromagnetic actuators 8 and fulcrum 10 are all positioned in frame 1, fulcrum 10 is between two electromagnetic actuators 8, each electromagnetic actuator 8 and an electromagnetic actuator 8 respond to and cooperate with each other across a great distance, spring-loaded device erecting frame 12 is installed with in the side (being left side in Fig. 1) of afterburning lever 11, a cantilever lever 7 is stretched out from spring-loaded device erecting frame 12, cantilever lever 7 can move up and down stretching out place, the part that cantilever lever 7 is positioned at spring-loaded device erecting frame 12 is provided with spring-loaded device, binding post 20 and swing wedge-shaped catch 15, spring-loaded device is comprised the spring 18 be fixed on cantilever lever 7 by spring fixed seat 19 and adjusts screw 17 with being positioned on spring-loaded device erecting frame 12 for the power of regulating spring 18 pressure size, power adjustment screw 17 lower end contacts with spring 18, the contact force of relay contact 21 is adjusted by the size changing the decrement of spring 18 till adjustment power adjustment screw 17, cantilever lever 7 is inner to be connected by the insulation web joint 16 of cantilever lever 7 the inner with swing wedge-shaped catch 15, as Fig. 1, 6, 7, 8, shown in 9, swing the wedge surface of wedge-shaped catch 15 upward, afterburning lever 11 in spring-loaded device erecting frame 12 is installed with stationary wedge block 13, the wedge surface of stationary wedge block 13 down and be positioned at swing wedge-shaped catch 15 wedge surface above, hinged by rotating shaft 14 between stationary wedge block 13 and swing wedge-shaped catch 15, swing wedge-shaped catch 15 can 14 rotate around the shaft, when cantilever lever 7 is parallel with afterburning lever 11, the lozenges laminating of stationary wedge block 13 and swing wedge-shaped catch 15, adjusting lever 6 is hinged with in the outer end of cantilever lever 7, adjusting lever 6 can adjust angle by above-below direction, adjusting lever 6 other end is fixedly connected with fixture 4, lower clamp 5 is provided with below upper fixture 4, connected load sensor 23 below lower clamp 5, connect cross-over block 3 below load sensor 23, cross-over block 3 is positioned on the grooved seat 2 of left and right directions setting, and cross-over block 3 can horizontally slip in groove, afterburning lever 11, stationary wedge block 13, swing wedge-shaped catch 15, cantilever lever 7 and adjusting lever 6 are all made up of conducting metal.
The course of work is as follows: be together in series by the binding post 20 of three groups of passages 22, two of relay contacts 21 are respectively installed on upper fixture 4 and lower clamp 5 and clip, contact 21 on the upper fixture 4 of three groups of passages 22 is together in series, contact 21 on lower clamp 5 is together in series, energising starts whole device, the armature of two electromagnetic actuators 8 on each passage 22 takes turns above to push up, afterburning lever 11 is made to do lever motion around fulcrum 10, as shown in Figure 5, when electromagnetic actuator 8 action on the left side, armature is jack-up upwards, when the contact base 9 on the left side is arrived on top, afterburning lever 11 does clockwise movement around fulcrum 10, because stationary wedge block 13 rotates simultaneously, its lozenges drives and is synchronized with the movement with the swing wedge-shaped catch 15 of its laminating and afterburning lever 11, at this moment with swing cantilever lever 7 that wedge-shaped catch 15 is connected by insulation web joint 16 also with same speed along with afterburning lever 11 does clockwise movement, the outer end of cantilever lever 7 is upturned simultaneously, contact 21 on upper fixture 4 is separated with the contact 21 on lower clamp 5, as shown in Figure 4, when electromagnetic actuator 8 action on the right, armature is jack-up upwards, when the contact base 9 on the right is arrived on top, afterburning lever 11 does counterclockwise movement around fulcrum 10, the separated state of lozenges of stationary wedge block 13 and swing wedge-shaped catch 15, swing wedge-shaped catch 15 does not receive the strength from stationary wedge block 13, that is wedge-shaped catch 15 is at this moment swung inoperative, because spring-loaded device erecting frame 12 is fixedly connected with afterburning lever 11, they do synchronous counterclockwise movement, spring-loaded device erecting frame 12 is by power adjustment screw 17 extrusion spring 18, spring 18 promotes cantilever lever 7 and moves, the outer end of cantilever lever 7 is downward, contact 21 on upper fixture 4 contacts with the contact 21 on lower clamp 5, at this moment the compression situation of the cantilever contact force and spring 18 of doing the upper and lower contact 21 of drive is directly proportional, and the thrust that can not exceed time rigidity is connected, screw or the dechucking forces adjustment screw 17 i.e. contact force of adjustable upper and lower contact 21.Diversified in specifications due to relay, therefore can adapt to the relay of different size by the angle adjusting adjusting lever 6, correspondingly the position of cross-over block 3 on grooved seat 2 also will left and right adjustment thereupon, aligns to make upper and lower contact 21.
Except technical characteristic described in instructions, all the other technical characteristics are those skilled in the art's known technology.
Claims (3)
1. a fatigue tester, comprise array passage (22), it is characterized in that, often organize the contact base (9) that passage (22) comprises fulcrum (10) both sides being positioned at afterburning lever (11), contact base (9) below is provided with electromagnetic actuator (8), spring-loaded device erecting frame (12) is provided with in the side of afterburning lever (11), a cantilever lever (7) is stretched out from spring-loaded device erecting frame (12), the part that cantilever lever (7) is positioned at spring-loaded device erecting frame (12) is provided with spring-loaded device, binding post (20) and swing wedge-shaped catch (15), described cantilever lever (7) is inner to be connected by the insulation web joint (16) that cantilever lever (7) is inner with swing wedge-shaped catch (15), the wedge surface of described swing wedge-shaped catch (15) upward, described spring-loaded device comprises the spring (18) be fixed on cantilever lever (7) and power adjustment screw (17) be positioned at for regulating spring (18) pressure size on spring-loaded device erecting frame (12), afterburning lever (11) in spring-loaded device erecting frame (12) is installed with stationary wedge block (13), the wedge surface of described stationary wedge block (13) down and be positioned at swing wedge-shaped catch (15) wedge surface above, described stationary wedge block (13) and swing that to pass through rotating shaft (14) between wedge-shaped catch (15) hinged, upper fixture (4) is provided with in the outer end of cantilever lever (7), upper fixture (4) below is provided with lower clamp (5), lower clamp (5) below connected load sensor (23), described load sensor (23) below connects cross-over block (3), and described cross-over block (3) is positioned on the grooved seat (2) of left and right directions setting, described afterburning lever (11), stationary wedge block (13), swing wedge-shaped catch (15) and cantilever lever (7) are all made up of conducting metal.
2. fatigue tester according to claim 1, is characterized in that, described cantilever lever (7) outer end is hinged with the adjusting lever (6) that can adjust angle up and down, and described adjusting lever (6) is connected with upper fixture (4), and described adjusting lever (6) is made up of conducting metal.
3. fatigue tester according to claim 1 and 2, is characterized in that, described passage (22) has three groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420724636.6U CN204228399U (en) | 2014-11-27 | 2014-11-27 | A kind of fatigue tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420724636.6U CN204228399U (en) | 2014-11-27 | 2014-11-27 | A kind of fatigue tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204228399U true CN204228399U (en) | 2015-03-25 |
Family
ID=52926479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420724636.6U Expired - Fee Related CN204228399U (en) | 2014-11-27 | 2014-11-27 | A kind of fatigue tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204228399U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107479416A (en) * | 2017-08-21 | 2017-12-15 | 天津航天瑞莱科技有限公司 | A kind of universal fatigue experiment control system |
| CN107631946A (en) * | 2017-09-07 | 2018-01-26 | 河海大学 | A kind of testing machine pre-add power apparatus |
| CN110044738A (en) * | 2019-04-11 | 2019-07-23 | 河海大学 | The fatigue experimental device and its application method that weld seam Multiaxial stress controllably applies |
-
2014
- 2014-11-27 CN CN201420724636.6U patent/CN204228399U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107479416A (en) * | 2017-08-21 | 2017-12-15 | 天津航天瑞莱科技有限公司 | A kind of universal fatigue experiment control system |
| CN107631946A (en) * | 2017-09-07 | 2018-01-26 | 河海大学 | A kind of testing machine pre-add power apparatus |
| CN110044738A (en) * | 2019-04-11 | 2019-07-23 | 河海大学 | The fatigue experimental device and its application method that weld seam Multiaxial stress controllably applies |
| CN110044738B (en) * | 2019-04-11 | 2021-05-11 | 河海大学 | Fatigue test device with controllable applied multi-axis stress of welding seam and application method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204228399U (en) | A kind of fatigue tester | |
| CN107037356B (en) | A kind of double-column horizontal rotation type disconnecting switch experimental rig | |
| CN104374564A (en) | Fatigue testing machine | |
| EP1944785A3 (en) | Gating voltage control system and method for electrostatically actuating a micro-electromechanical device | |
| CN207380206U (en) | It is a kind of to take the control external System for Circuit Breaker device for detecting performance of electric energy meter | |
| CN203179816U (en) | Performer for carrying out operation on breaker | |
| CN111289887B (en) | High-voltage circuit breaker fault simulation device and method based on ubiquitous power Internet of things | |
| CN103556608A (en) | Position control device for gate of hydropower station | |
| CN109143057B (en) | GIS equipment switch vibration online repair system | |
| CN205542553U (en) | Isolating switch | |
| US8970330B2 (en) | Contactor | |
| CN208579915U (en) | A kind of breaker operation mechanism running-in testing apparatus | |
| CN207183167U (en) | A kind of phase-selecting switch | |
| CN110274827A (en) | A kind of pilot system and method suitable for the test of contact melted power | |
| CN201206541Y (en) | Electrovalve control circuit of high and low voltage thin oil station | |
| CN2853494Y (en) | Controller of pantagraph current collector | |
| CN106370291A (en) | Vibration test method for horizontal three column-type high-voltage isolation switch | |
| CN205157588U (en) | Moulded case circuit -breaker inspection jig | |
| CN102411318A (en) | Automatic test control device for electromagnetic fan clutch for vehicle | |
| CN207689639U (en) | A kind of responding ability detection device for short circuit protection component | |
| CN205302782U (en) | Electro -magnet appeal and magnetic pole lecture experiment device | |
| CN201266443Y (en) | Device for training electric fault diagnosis | |
| CN102904216B (en) | Motor protection device and motor using same | |
| CN110208690A (en) | A kind of detection device for circuit breaker | |
| CN102590740B (en) | Opening range and over travel automatic testing apparatus of alternating current contactor and automatic testing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 |