CN205808657U - Pantograph carbon slide Dynamic And Static Loads fatigue bending property comprehensive test machine - Google Patents
Pantograph carbon slide Dynamic And Static Loads fatigue bending property comprehensive test machine Download PDFInfo
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- CN205808657U CN205808657U CN201620765870.2U CN201620765870U CN205808657U CN 205808657 U CN205808657 U CN 205808657U CN 201620765870 U CN201620765870 U CN 201620765870U CN 205808657 U CN205808657 U CN 205808657U
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Abstract
The open a kind of pantograph carbon slide Dynamic And Static Loads fatigue bending property comprehensive test machine of this utility model, including workbench, clamping device, servomotor, screw slide rails, operation motor, eccentric block, vibrator, height sensor, pressure transducer, CPU central control unit and display, pressure transducer force value is monitored, and it is sent to CPU central control unit, to Serve Motor Control after being computed, exported by the rotationally-varying static pressure of servomotor；After the test signal of height sensor is transported to CPU central control unit, exported by display, visual test result；Sent a signal to run motor by CPU central control unit and vibrator produces dynamic load, test structure by the method for height sensor and range estimation and have unchanged, so, adapt to the carbon slipper flexural property of different size, mechanical fatigue Characteristics Detection, reliable operation, automaticity is high, simple to operate, stricter accurately measure practical situation.
Description
Technical field
This utility model relates to pantograph carbon slide flexural property, mechanical fatigue characteristic testing equipment technical field, especially
Refer to a kind of pantograph carbon slide Dynamic And Static Loads fatigue bending property comprehensive test machine.
Background technology
Safety is that railway transportation produces eternal theme.Locomotive is most important power-equipment during railway transportation produces.For
Utilization offer quality is good, the locomotive of abundant amount, ensures smoothly completing and transporting of transport task with good equipment quality
Production safety, is the main task of Locomotive Overhaul work.
And electric locomotive pantograph carbon slide plate is " throat " portion that high ferro, motor-car and passenger-cargo electric locomotive provide power
Part, general pantograph carbon slide is for good and all to be adhered on bracket by bonding mode by material with carbon element draw runner, is arranged on pantograph
Head, its surface directly contacts with electrical network, electrical network electric energy is delivered to locomotive.In running, carbon slipper connects with power network line
Touch, bear certain by dead load and the surge of dynamic loading superposition, constitute limited number of time pressure-pressure fatigue, therefore at carbon slipper
On produce the biggest bending stress and impact fatigue stress due to this surge.
Test in terms of the flexural property and mechanical fatigue characteristic of carbon slipper, the most simply uses the machine that some are general
Tool equipment is tested, but these equipment is simply carried out under conditions of stationary indoors, all can not really simulate the operation of reality
Situation, is dynamic impulsive force due to be affected by carbon slipper running, and therefore, the data tested out with common apparatus are complete
Entirely can not embody real data.
Therefore, it is necessary to a kind of pantograph carbon slide Dynamic And Static Loads fatigue bending property comprehensive test machine of design, to solve
Above-mentioned technical problem.
Utility model content
For problem present in background technology, the purpose of this utility model is to provide a kind of pantograph carbon slide sound and carries
Lotus fatigue bending property comprehensive test machine, reliable operation, automaticity is high, simple to operate, stricter accurately measure
Practical situation.
The technical solution of the utility model is achieved in that a kind of pantograph carbon slide Dynamic And Static Loads fatigue bending property
Comprehensive test machine, including workbench, clamping device, servomotor, screw slide rails, operation motor, eccentric block, vibrator, highly
Sensor, pressure transducer, CPU central control unit and display, wherein, carbon slipper is fixed on workbench by clamping device
Top, servomotor connects and is positioned at the top of screw slide rails, runs motor and is fixed on sliding-rail sliding, and eccentric block is by elasticity
Element elastic is located at the top of carbon slipper center and is connected with running motor, and the lower surface of workbench is located at by vibrator, high
Degree sensor is between carbon slipper and worktable upper surface, and pressure transducer is located at the side of flexible member, height sensor
Output with pressure transducer is connected with CPU central control unit respectively, the output of CPU central control unit and vibrator and show
Show that device and servomotor connect.
In technique scheme, described vibrator is adjustable electromagnetic vibrator.
In technique scheme, described adjustable electromagnetic vibrator can produce sine wave oscillations power.
In technique scheme, described clamping device is two, is symmetrically positioned in the left and right sides of carbon slipper.
In technique scheme, the distance between the clamping brace point of said two clamping device is 1000mm.
In technique scheme, described flexible member is spring.
In technique scheme, described servomotor drives sliding-rail sliding that carbon slipper can produce the dead load of 70N.
In technique scheme, described operation driven by motor eccentric block rotates, and carbon slipper can be produced positive and negative 35N and move
Load.
This utility model pantograph carbon slide Dynamic And Static Loads fatigue bending property comprehensive test machine, including workbench, clamping
Device, servomotor, screw slide rails, operation motor, eccentric block, vibrator, height sensor, pressure transducer, the control of CPU central authorities
Unit processed and display, the force value of test process is monitored by pressure transducer in real time, and it is single to be sent to the control of CPU central authorities
Unit, to Serve Motor Control after feedback calculates, rotationally-varying by servomotor exports for static pressure；Height sensor
Test signal is transported to CPU central control unit, after being computed, is exported by display, reaction test result directly perceived；By CPU
Central control unit sends a signal to run motor and electromagnetic exciter and produces dynamic load, by height sensor and range estimation
Method test structure has unchanged, so, adapts to the motor-car pantograph pan flexural property of various different size, mechanical fatigue
The detection of characteristic, reaches reliable operation, and automaticity is high, simple to operate, stricter accurately measure practical situation
Beneficial effect.
Accompanying drawing explanation
Fig. 1 is this utility model testing machine structure schematic diagram；
Fig. 2 is testing machine characteristic test principle schematic；
Fig. 3 is the vibrator simulation locomotive operation logic schematic diagram of testing machine.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole realities
Execute example.Based on the embodiment in this utility model, those of ordinary skill in the art are institute under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
As it is shown in figure 1, a kind of pantograph carbon slide Dynamic And Static Loads fatigue bending property described in the utility model is comprehensively tried
Test machine, including workbench 1, clamping device 2, servomotor 3, screw slide rails 4, run motor 5, eccentric block 6, vibrator 7, highly
Sensor 8, pressure transducer 9, CPU central control unit 10 and display 11.
Wherein, described carbon slipper 100 is fixed on the top of workbench 1 by clamping device 2, in the present embodiment, described
Clamping device 2 is preferably two, and is symmetrically positioned in the left and right sides of carbon slipper 100, and the clamping brace point of two clamping devices 2
Between distance be 1000mm.
Described servomotor 3 connects and is positioned at the top of screw slide rails 4, and servomotor 3 drives the sliding-rail sliding can be to carbon slipper
100 dead loads producing 70N, run motor 5 and are fixed on sliding-rail sliding, and eccentric block 6 is located at carbon by flexible member 12 elasticity
The top of slide plate 100 center is also connected with running motor 5, and in the present embodiment, what flexible member 12 preferably employed is bullet
Spring.
Running motor 5 drives eccentric block 6 to rotate, and carbon slipper 100 can produce the dynamic loading of positive and negative 35N.Vibrator 7 is located at
The lower surface of workbench 1, in the present embodiment, described vibrator 7 is adjustable electromagnetic vibrator, simulates locomotive operation, can produce
Sine wave oscillations power.
Height sensor 8 is between carbon slipper 100 and workbench 1 upper surface, and pressure transducer 9 is located at flexible member 12
Side, the output of height sensor 8 and pressure transducer 9 is connected with CPU central control unit 10 respectively, CPU central authorities control
The output of unit 10 and vibrator 7 and display 11 and servomotor 3 are connected.
As in figure 2 it is shown, in use, its flexural property is tested particularly as follows: sliding-rail sliding runs downwards, screw slide rails 4
Holddown spring compresses, and elastic force increases to 700N, and pressurize unloaded after 2 minutes, and height sensor 8 can measure carbon slipper before and after pressure
The displacement of 100, detects that carbon slipper 100 is with or without permanent deformation.
And mechanical fatigue characteristic test is particularly as follows: sliding-rail sliding runs up, holddown spring discharges, the thrust fall of spring
Low, it is down to 70N, produces the dead load of 70N；Startup optimization motor 5, runs motor 5 and drives eccentric block 6 to rotate with the frequency of 4Hz,
Due to the effect of eccentric block 6, produce the dynamic loading of positive and negative 35N, meanwhile, as it is shown on figure 3, the adjustable electromagnetic of workbench 1 lower surface
Vibrator 7 produce a frequency be mHz, exciting force be a N exciting force, in order to simulate locomotive operation.Then by 70N dead load
Carrying out limited number of time pressure fatigue test with positive and negative 35N, 4Hz dynamic loading after superposing, test number (TN) can be 1.2*106Secondary.
Wherein, and pressure transducer 9 is in order to monitor in real time the force value of test process, and is sent to CPU central authorities
Control unit 10, controls servomotor 3, rotationally-varying for 70-700N static pressure by servomotor 3 after feedback calculates
Output；The test signal of height sensor 8 is transported to CPU central control unit 10, after being computed, defeated by display 11
Go out, reaction test result directly perceived；Sent a signal to run motor 5 by CPU central control unit 10 and electromagnetic exciter 7 produces dynamic
State load.Method test structure finally by height sensor 8 and range estimation has unchanged.
This utility model pantograph carbon slide Dynamic And Static Loads fatigue bending property comprehensive test machine, by pressure transducer 9
The force value of test process is monitored in real time, and is sent to CPU central control unit 10, to servo electricity after feedback calculates
Machine 3 controls, and rotationally-varying by servomotor 3 exports for static pressure；The test signal of height sensor 8 is transported in CPU
Centre control unit 10, after being computed, is exported by display 11, reaction test result directly perceived；Simultaneously by CPU central control unit
10 send a signal to run motor 5 and electromagnetic exciter 7 produces dynamic load, is surveyed by the method for height sensor 8 and range estimation
Examination structure has unchanged, so, adapts to the motor-car pantograph pan flexural property of various different size, mechanical fatigue characteristic
Detection, reaches reliable operation, and automaticity is high, simple to operate, the useful effect of stricter accurately measure practical situation
Really.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement etc. made, should be included in this utility model
Protection domain within.
Claims (8)
1. a pantograph carbon slide Dynamic And Static Loads fatigue bending property comprehensive test machine, it is characterised in that: include workbench, folder
Tight device, servomotor, screw slide rails, operation motor, eccentric block, vibrator, height sensor, pressure transducer, CPU central authorities
Control unit and display, wherein, carbon slipper is fixed on the top of workbench by clamping device, and servomotor connection is positioned at silk
The top of thick stick slide rail, runs motor and is fixed on sliding-rail sliding, and eccentric block is located at carbon slipper centre bit by flexible member elasticity
The top put also is connected with running motor, and the lower surface of workbench is located at by vibrator, and height sensor is positioned at carbon slipper and work
Between platform upper surface, pressure transducer be located at the output of the side of flexible member, height sensor and pressure transducer respectively with
CPU central control unit connects, and the output of CPU central control unit and vibrator and display and servomotor are connected.
Pantograph carbon slide Dynamic And Static Loads fatigue bending property comprehensive test machine the most according to claim 1, its feature exists
In: described vibrator is adjustable electromagnetic vibrator.
Pantograph carbon slide Dynamic And Static Loads fatigue bending property comprehensive test machine the most according to claim 2, its feature exists
In: described adjustable electromagnetic vibrator can produce sine wave oscillations power.
Pantograph carbon slide Dynamic And Static Loads fatigue bending property comprehensive test machine the most according to claim 1, its feature exists
In: described clamping device is two, is symmetrically positioned in the left and right sides of carbon slipper.
Pantograph carbon slide Dynamic And Static Loads fatigue bending property comprehensive test machine the most according to claim 4, its feature exists
In: the distance between the clamping brace point of said two clamping device is 1000mm.
Pantograph carbon slide Dynamic And Static Loads fatigue bending property comprehensive test machine the most according to claim 1, its feature exists
In: described flexible member is spring.
Pantograph carbon slide Dynamic And Static Loads fatigue bending property comprehensive test machine the most according to claim 1, its feature exists
In: described servomotor drives sliding-rail sliding that carbon slipper can produce the dead load of 70N.
Pantograph carbon slide Dynamic And Static Loads fatigue bending property comprehensive test machine the most according to claim 1, its feature exists
In: described operation driven by motor eccentric block rotates, and carbon slipper can produce the dynamic loading of positive and negative 35N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620765870.2U CN205808657U (en) | 2016-07-20 | 2016-07-20 | Pantograph carbon slide Dynamic And Static Loads fatigue bending property comprehensive test machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620765870.2U CN205808657U (en) | 2016-07-20 | 2016-07-20 | Pantograph carbon slide Dynamic And Static Loads fatigue bending property comprehensive test machine |
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| CN205808657U true CN205808657U (en) | 2016-12-14 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017840A (en) * | 2016-07-20 | 2016-10-12 | 大同新成新材料股份有限公司 | Comprehensive testing machine for testing static-dynamic load fatigue and bending performance of carbon contact strip of pantograph |
| CN110082230A (en) * | 2019-06-03 | 2019-08-02 | 西南交通大学 | A kind of pantograph fatigue experimental device |
| CN110686984A (en) * | 2019-09-23 | 2020-01-14 | 南京航空航天大学 | Bending load test loading device and loading method for self-sealing type release joint |
-
2016
- 2016-07-20 CN CN201620765870.2U patent/CN205808657U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017840A (en) * | 2016-07-20 | 2016-10-12 | 大同新成新材料股份有限公司 | Comprehensive testing machine for testing static-dynamic load fatigue and bending performance of carbon contact strip of pantograph |
| CN106017840B (en) * | 2016-07-20 | 2018-05-11 | 大同新成新材料股份有限公司 | Pantograph carbon slide Dynamic And Static Loads fatigue bending property comprehensive test machine |
| CN110082230A (en) * | 2019-06-03 | 2019-08-02 | 西南交通大学 | A kind of pantograph fatigue experimental device |
| CN110082230B (en) * | 2019-06-03 | 2024-04-12 | 西南交通大学 | Pantograph fatigue test device |
| CN110686984A (en) * | 2019-09-23 | 2020-01-14 | 南京航空航天大学 | Bending load test loading device and loading method for self-sealing type release joint |
| CN110686984B (en) * | 2019-09-23 | 2021-11-05 | 南京航空航天大学 | Bending load test loading device and loading method for self-sealing type release joint |
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