CN207081535U - A kind of experimental rig of silicon rubber insulator full skirt mechanical aging - Google Patents
A kind of experimental rig of silicon rubber insulator full skirt mechanical aging Download PDFInfo
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- CN207081535U CN207081535U CN201720674631.0U CN201720674631U CN207081535U CN 207081535 U CN207081535 U CN 207081535U CN 201720674631 U CN201720674631 U CN 201720674631U CN 207081535 U CN207081535 U CN 207081535U
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Abstract
The utility model discloses a kind of experimental rig of silicon rubber insulator full skirt mechanical aging.The experimental rig includes：Insulator mounting frame, for fixing silicon rubber insulator；Water flow jet unit, for silicon rubber insulator full skirt injection water, to cause full skirt offset setting distance under the injection of injection water.The utility model realizes cheap experimental rig and replaces high professional testing equipment, reduces the cost of experimental rig.
Description
Technical field
The utility model embodiment is related to plant equipment measuring technology, more particularly to a kind of silicon rubber insulator full skirt machinery
The experimental rig of aging.
Background technology
When EMUs are run, the machine of the silicon rubber insulator full skirt of connection pantograph, switch or bus at the top of motor-car
Tool performance can influence the traffic safety of motor-car.If full skirt deformation is excessive, effective creep age distance may be caused to reduce, increase is dodged
Network probability, dangerous transmission of electricity is caused, jeopardizes safe train operation.Therefore the mechanical performance of insulator is concern pair emphatically in running
As, it is necessary to carry out Fatigue Test Research, the service life of rational motor-car silicon rubber insulator early stage.
In the prior art, it is the actual conditions of reduction high speed motor car operation, simulates the fatigue test of wind-force and atmospheric pressure,
Accelerate the mechanical aging of insulator umbrella, typically using high wind tunnel testing, i.e., experimental rig include simulation wind-tunnel space,
Air blower and video monitoring apparatus.When being tested such as CRH380 vehicles insulator, it is empty that insulator to be measured is placed on simulation wind-tunnel
Between in, 105m/s (380 kilometers/hour) wind speed is produced using air blower, is uninterruptedly blown into simulation wind-tunnel space, with impact
Insulator umbrella；In the process, the picture after being impacted using video monitoring apparatus shooting insulator umbrella, catches full skirt
Maximum offset, the mechanical performance of insulator umbrella is judged for later stage manual analysis.
However, although such a test method can effectively simulate real EMUs operating condition, the country is only several
The unit that there is aircraft manufacturing qualification in family can just possess, and experiment process is extremely expensive.
Utility model content
The utility model provides a kind of experimental rig of silicon rubber insulator full skirt mechanical aging, is run with realizing in motor-car
Measurement insulator umbrella deformation in velocity interval, and reduce experimental rig cost.
The utility model embodiment provides a kind of experimental rig of silicon rubber insulator full skirt mechanical aging, including：
Insulator mounting frame, for fixing silicon rubber insulator；
Water flow jet unit, for silicon rubber insulator full skirt injection water, to cause the full skirt in injection water
Injection under offset setting distance.
Further, insulator mounting frame includes：Electric roller, for fixing silicon rubber insulator, and drive the silicon
Rubber insulator and full skirt are rotated.
Further, the vertical displacement amount of electric roller is 6mm, and horizontal rotation speed is 60 turns/min or 120 turn/min.
Further, insulator mounting frame includes：Fixed support, for fixing silicon rubber insulator；Water flow jet unit
Include the delivery port of multiple injection waters, around the circumferential uniformly laying of the full skirt.
Further, water flow jet unit includes：
Force (forcing) pump, for the water stream S that provides water source to setup pressure value；
High-pressure spray gun, the force (forcing) pump is connected to, for by the water flow jet with setup pressure value to the full skirt, with
Water impact is carried out, to cause full skirt offset setting distance under the injection of injection water；
Spray gun mounting rack, for fixing the high-pressure spray gun.
Further, force (forcing) pump is 2, is respectively connecting to water intaking valve, 2 high in the water outlet pipe part connection of the force (forcing) pump
Spray gun is pressed, is symmetrical arranged relative to the full skirt.
Further, high-pressure spray gun is fixed on the spray gun mounting rack, and it is most upper that spray gun delivery port corresponds to the full skirt
The gamp in portion, and apart from full skirt edge 15mm, in setting obliquely or obliquely.
Further, offset setting distance is the peak excursion distance of the full skirt described in high wind tunnel testing.
The utility model replaces rare, high professional testing equipment by using relatively conventional, cheap experimental rig,
Solve the problems, such as that the silicone rubber products wind tunnel test verification experimental verification with full skirt is with high costs, silicon rubber insulator full skirt can be simulated
The experiment process of mechanical aging, realize the low effect of experimental rig economic input.
Brief description of the drawings
Fig. 1 is that the structure of the experimental rig of the silicon rubber insulator full skirt mechanical aging in the utility model embodiment one is shown
It is intended to.
Fig. 2 is that the structure of the experimental rig of the silicon rubber insulator full skirt mechanical aging in the utility model embodiment two is shown
It is intended to.
Fig. 3 is that the structure of the experimental rig of the silicon rubber insulator full skirt mechanical aging in the utility model embodiment three is shown
It is intended to.
Fig. 4 be the silicon rubber insulator full skirt mechanical aging in the utility model embodiment four experimental rig in current spray
Penetrate cellular construction schematic diagram.
Fig. 5 is that the experimental rig of the silicon rubber insulator full skirt mechanical aging in the utility model embodiment five performs method
Flow chart.
Fig. 6 is that the experimental rig of the silicon rubber insulator full skirt mechanical aging in the utility model embodiment six performs method
Structured flowchart.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than to restriction of the present utility model.Further need exist for
It is bright, for the ease of description, the part related to the utility model rather than entire infrastructure are illustrate only in accompanying drawing.
Embodiment one
Fig. 1 show the experimental rig of the silicon rubber insulator full skirt mechanical aging of the offer of the utility model embodiment one
Structural representation, the concrete structure of the experimental provision include：
Insulator mounting frame 110, for fixing silicon rubber insulator；
Water flow jet unit 120, for silicon rubber insulator full skirt injection water, to cause the full skirt in injection water
Offset setting distance under the injection of stream.
Specifically, insulator mounting frame 110 is used to fix silicon rubber insulator, so as to it is more preferable, more uniformly receive current
The current of injection unit injection.Insulator mounting frame 110 can be one or more column, and column top is equipped with connecting plate, even
Fishplate bar is connected with silicon rubber insulator.Water flow jet unit 120 exports the current of different pressures to replace different wind speed, not
With constantly being sprayed under the water flow velocity of pressure to silicon rubber insulator full skirt, to cause silicon rubber insulator full skirt in water flow jet
Offset setting distance under the current that unit 120 sprays.Wherein, the quantity of water flow jet unit 120 can be one or more, excellent
Elect 2 or 4 as.The position of water flow jet unit 120 can uniformly be laid and fix along silicon rubber insulator full skirt is circumferential
On mounting bracket.Water flow jet unit 120 is preferably high-pressure spray gun.
The operation principle of the experimental rig of the silicon rubber insulator full skirt mechanical aging is to replace high wind using High-Pressure Water
Speed, simulates the EMU speed of service, and the current for exporting different pressures replace different wind speed.In the water flow velocity of different pressures
Under, continuous Ground shock waves insulator umbrella, detection insulator umbrella surface Splitting, tried by continual water impact
Test, accelerate the mechanical aging speed of silastic product, the service life research that silicon rubber is formulated for us provides theoretical foundation.
The technical scheme of the present embodiment, by insulator mounting frame and water flow jet unit, solves the silicon rubber with full skirt
The problem of glue product wind tunnel test verification experimental verification is with high costs, the experiment of silicon rubber insulator full skirt mechanical aging can be simulated
Journey, realize the low effect of experimental rig economic input.
On the basis of above-mentioned technical proposal, offset setting distance is inclined for the maximum of the full skirt described in high wind tunnel testing
Move distance.Offset distance, which is so set, is advantageous in that institute in the maximum offset and high wind tunnel testing for make herein described full skirt
It is identical to state the maximum offset of full skirt, so as to which the application experimental provision can effectively substitute high wind tunnel testing, so as to reach
Reduce the effect of experimentation cost.
Embodiment two
Fig. 2 is the structure of the experimental rig for the silicon rubber insulator full skirt mechanical aging that the utility model embodiment two provides
Insulator mounting frame 110 is preferably further optimized for electronic by schematic diagram, the present embodiment on the basis of the various embodiments described above
Roller 1101, for fixing silicon rubber insulator, and the silicon rubber insulator and full skirt is driven to be rotated.
Specifically, silicon rubber insulator is fixed on electric roller 1101, electric roller 1101 can be in vertical direction
It is upper to produce certain displacement, horizontal direction rotary speed can also be adjusted.For example, the vertical displacement amount 6mm of electric roller 1101,
Horizontal rotation speed is 60 turns/min or 120 turn/min.Purpose be allow full skirt stress position and strength in certain scope
Change is produced, with the process of preferably analog mechanical aging.
The technical scheme of the present embodiment, fixed by electric roller and drive silicon rubber insulator and full skirt is rotated,
Solve the problems, such as that experimental provision is with high costs, working service is difficult, reached that experimental provision economic input is low, working service is simple
Single effect.
On the basis of above-mentioned technical proposal, it is 6mm that electric roller 1101, which can preferably set vertical displacement amount, wherein,
The vertical displacement amount of electric roller 1101 refers to the displacement of stage body vertical direction, and the vertical displacement amount of electric roller 1101 is so set
It is advantageous in that and allows the forced position of full skirt and strength to produce change within the specific limits, crosses conference and deflect away from full skirt, too small effect
Unobvious；Horizontal rotation speed is 60 turns/min or 120 turn/min, and it is good that the horizontal rotation of electric roller 1101 speed is so set
It is in whole full skirt circumference can be impacted, so preferably analog mechanical vibrational state, real simulation high speed motor car
The effect of the group speed of service.
Embodiment three
Fig. 3 is the structure of the experimental rig for the silicon rubber insulator full skirt mechanical aging that the utility model embodiment three provides
Insulator mounting frame 110 preferably is further optimized for fixing by schematic diagram, the present embodiment on the basis of the various embodiments described above
Support 1102, for fixing silicon rubber insulator.Now, water flow jet unit 120 includes the delivery port of multiple injection waters, around
The full skirt is circumferential uniformly to be laid.
Specifically, silicon rubber insulator is fixed on fixed support 1102, wherein, fixed support 1102 can be any
Shape, any number of column.For example, four root posts can be selected uniformly to be laid along silicon rubber insulator full skirt is circumferential, purpose
It is to allow tested full skirt to fix, during to prevent water flow jet 120 injection water of unit, silicon rubber insulator full skirt was offset
Greatly.Meanwhile in order to which preferably analog mechanical vibrational state, water flow jet unit 120 will be provided with multiple injection water delivery ports, around
The circumferential uniformly laying of silicon rubber insulator full skirt tested.Wherein, the preferably high-pressure spray gun of water flow jet unit 120, current
The number of injection unit 120 can be for 1 or multiple, preferably 2 or 4.
The technical scheme of the present embodiment, silicon rubber insulator is fixed by fixed support, and laying is more in full skirt circumference
The delivery port of individual injection water, solve the problems, such as that experimental provision is with high costs, reached the low effect of experimental provision economic input
Fruit.
Example IV
Current in the experimental rig for the silicon rubber insulator full skirt mechanical aging that Fig. 4 provides for the utility model embodiment four
The structural representation of injection unit, the remainder of the experimental rig of silicon rubber insulator full skirt mechanical aging are implemented referring to remaining
Example.The present embodiment is on the basis of the various embodiments described above, preferably by the experimental rig of silicon rubber insulator full skirt mechanical aging
Middle current injection unit is further optimized for including：
Force (forcing) pump 410, for the water stream S that provides water source to setup pressure value；
High-pressure spray gun 1201, be connected to the force (forcing) pump 410, for by the water flow jet with setup pressure value to described
Full skirt, to carry out water impact, to cause full skirt offset setting distance under the injection of injection water；
Spray gun mounting rack 430, for fixing the high-pressure spray gun.
Specifically, the water inlet of force (forcing) pump 410 is connected to water source, and by water stream S to silicon rubber insulator full skirt in height
Suffered air drag is consistent in fast wind tunnel test, that is, is forced into setup pressure value, so as to be used for controlling the institute of insulator umbrella
By mechanical load size.The shower nozzle of high-pressure spray gun 1201 can select diameter 2mm solid nozzles, and operating pressure at sprinkler is reachable
2500bar, the outlet pipe that high-pressure spray gun 1201 is connected to force (forcing) pump 410 can form superhigh pressure water jet.Spray gun mounting rack 430 can be with
From the column of arbitrary shape, rectangle frame can also be selected, for fixing high-pressure spray gun.
The technical scheme of the present embodiment, by force (forcing) pump, high-pressure spray gun, spray gun mounting rack, solves experimental provision cost
High, the problem of working service is difficult, the effect that experimental provision economic input is low, working service is easy is reached.
On the basis of above-mentioned each embodiment, force (forcing) pump 410 is preferably 2, water intaking valve is respectively connecting to, in force (forcing) pump
410 water outlet pipe part connection 2 is symmetrical arranged high-pressure spray gun 1201 relative to the full skirt.Force (forcing) pump 410 and high-pressure spray gun
1201 so set and are advantageous in that and whole full skirt circumference is reached truer instead of high wind speed by impact effect
Effect.
On the basis of above-mentioned each embodiment, high-pressure spray gun 1201 is fixed on the spray gun mounting rack 430, and spray gun goes out
The mouth of a river preferably corresponds to the gamp of the full skirt topmost, and apart from full skirt edge 15mm, in obliquely or oblique dividing into
Put.It is due to full skirt external diameter 190mm so to set, and internal diameter 70mm, there is certain taper, by the outer 1/4 position stress of umbrella cover full skirt
The effect of mechanical oscillation is best, and outer skew is excessive, then full skirt distorts, inadequate by inner then offset.
The utility model embodiment additionally provides a kind of test method of silicon rubber insulator full skirt mechanical aging, this method
It can be performed by device that the various embodiments described above are provided, this method includes：
Water flow jet unit is controlled to the silicon rubber insulator full skirt injection water being fixed on insulator mounting frame, so that
Obtain full skirt offset setting distance under the injection of injection water.
This method can also further optimize, and be described in detail below by embodiment.
Embodiment five
Fig. 5 is the experimental rig side of execution for the silicon rubber insulator full skirt mechanical aging that the utility model embodiment five provides
The flow chart of method, this method can be by the experimental rigs for the silicon rubber insulator full skirt mechanical aging that the various embodiments described above are provided
To perform, following steps are specifically included：
Step 510, control water flow jet unit spray to the silicon rubber insulator full skirt being fixed on insulator mounting frame
Current, to cause full skirt offset setting distance under the injection of injection water.
Wherein, water flow jet unit is controlled to the silicon rubber insulator full skirt injection water being fixed on insulator mounting frame
Purpose be to allow the distance and offset distance in high wind tunnel testing that full skirt offsets under the application experimental provision
It is identical, so as to replace high wind speed with High-Pressure Water.
The silicon rubber insulator full skirt horizontal direction that step 520, control are fixed on insulator mounting frame persistently rotates, with
So that full skirt offset setting distance under the injection of injection water；Vertical direction pumps, to cause injection water
Stream is randomly formed stress point in full skirt surface a small range, causes the continuous vibration of full skirt.
Wherein, the silicon rubber insulator full skirt horizontal direction that is fixed on insulator mounting frame of control persistently rotate be in order to
Allow whole full skirt circumference can be by impact effect.Pumped in vertical direction be in order that full skirt continuous vibration, with
Preferably analog mechanical vibrational state, reach the effect of the real simulation EMU speed of service.
Further, this method can also carry out step 530.
Step 530, control water flow jet unit continue the full skirt injection water to the rotation.
Wherein, it is to accelerate silicon rubber insulation to control water flow jet unit to continue to the full skirt injection water of the rotation
The ageing time of sub- full skirt.During experiment, experimental provision is set, insulator is fixed and connects with the mains, water source, 24 is small
When test incessantly.Check a water and electricity supply situation within 24 hours, remaining is without concern.Insulator is removed after 1000 hours,
Cut tested full skirt and carry out Mechanical Property Analysis.
Further, this method can also carry out step 540.
The hydraulic pressure of step 540, dynamic adjustment water flow jet unit institute injection water, is rushed to silicon rubber insulator full skirt
Hit.
Wherein, the hydraulic pressure of dynamic adjustment water flow jet unit institute injection water, impacts to silicon rubber insulator full skirt,
It is to imitate the mechanical ageing test effect under different water flow impact pressures by changing the pressure of High-Pressure Water.
Above-mentioned steps 510, step 520, the execution sequence of step 530 and step 540 are not limited to order and performed, can also be simultaneously
Row performs.
The technical scheme of the present embodiment, by the test method of silicon rubber insulator full skirt mechanical aging, solves silicon rubber
The problem of experimental provision of glue insulator umbrella mechanical aging is with high costs, the low effect of experimental provision economic input is reached.
Embodiment six
Fig. 6 is the experimental rig side of execution for the silicon rubber insulator full skirt mechanical aging that the utility model embodiment six provides
Method structured flowchart.The present embodiment can be based on above-described embodiment, there is provided a kind of preferred embodiment.
2 force (forcing) pumps 610 are connected to water source in the present embodiment, outlet pipe is connected to 2 high-pressure spray guns 620, force (forcing) pump
610 selection operating pressure 6MP, flow 13L/min.High-pressure spray gun 620 is fixed on spray gun mounting rack 630, and high-pressure spray gun 620 selects
Diameter 2mm solid nozzles are selected, operating pressure at sprinkler can form superhigh pressure water jet up to 2500bar on jet pipe.Insulator
It is fixed on electric roller 640.The vertical displacement amount 6mm of electric roller 640, rotate horizontally 60 turns or 120 turn two of every point of speed
Kind.The gamp of the topmost of the delivery port of high-pressure spray gun 620 selection silicon rubber insulator full skirt, in the 180 degree away from umbrella edge 15mm
2 points of minutes Do of diameter are acted on power up and down.The delivery port of high-pressure spray gun 620 can be directed at silicon rubber insulator full skirt
Optional position, preferably correspond to the gamp of full skirt topmost here, whole full skirt replaced with the degree of aging of full skirt gamp
Degree of aging.After connecting experimental rig, the water intaking valve of force (forcing) pump 610 is opened, and opens force (forcing) pump 610.Fixed high-pressure spray gun
620, allow high-pressure spray gun 620 persistently to spray water.It is electric on electric roller 640, can not stall, and continue uninterruptedly to open.Impacting
Cheng Zhong, the pressure size of force (forcing) pump 610 can be arbitrarily adjusted, allows water flow impact pressure to reach consistent with air drag, to imitate different wind
Fatigue test effect under speed, wherein air drag Fw is a kind of opposition that air is formed to advancing motor-car, it
Calculation formula be：Fw=1/16ACwV2, V are road speed, unit m/s；A is motor-car cross-sectional area, unit
For m2；Cw is air resistance coefficient.
The technical scheme of the present embodiment, solve the problems, such as that experimental rig is high, wastes time and energy, reached it is relatively conventional,
Cheap experimental rig replaces rare, high professional testing equipment, time saving and energy saving technique effect.
The above method can perform the silicon rubber insulator full skirt mechanical aging that the utility model any embodiment is provided
Experimental rig, possess the corresponding functional module of experimental rig and beneficial effect for performing silicon rubber insulator full skirt mechanical aging.
Pay attention to, above are only preferred embodiment of the present utility model and institute's application technology principle.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, can carried out for a person skilled in the art various bright
Aobvious change, readjust and substitute without departing from the scope of protection of the utility model.Therefore, although passing through above example
The utility model is described in further detail, but the utility model is not limited only to above example, is not departing from
In the case that the utility model is conceived, other more equivalent embodiments can also be included, and the scope of the utility model is by appended
Right determine.
Claims (8)
- A kind of 1. experimental rig of silicon rubber insulator full skirt mechanical aging, it is characterised in that including：Insulator mounting frame, for fixing silicon rubber insulator；Water flow jet unit, for silicon rubber insulator full skirt injection water, to cause spray of the full skirt in injection water Penetrate lower offset setting distance.
- 2. device according to claim 1, it is characterised in that the insulator mounting frame includes：Electric roller, for fixing silicon rubber insulator, and the silicon rubber insulator and full skirt is driven to be rotated.
- 3. device according to claim 2, it is characterised in that the vertical displacement amount of the electric roller is 6mm, level rotation Rotary speed is 60 turns/min or 120 turn/min.
- 4. device according to claim 1, it is characterised in that the insulator mounting frame includes：Fixed support, for fixing silicon rubber insulator；The water flow jet unit includes the delivery port of multiple injection waters, around the circumferential uniformly laying of the full skirt.
- 5. according to any described devices of claim 1-4, it is characterised in that water flow jet unit includes：Force (forcing) pump, for the water stream S that provides water source to setup pressure value；High-pressure spray gun, the force (forcing) pump is connected to, for by the water flow jet with setup pressure value to the full skirt, to carry out Water impact, to cause full skirt offset setting distance under the injection of injection water；Spray gun mounting rack, for fixing the high-pressure spray gun.
- 6. device according to claim 5, it is characterised in that the force (forcing) pump is 2, is respectively connecting to water intaking valve, The water outlet pipe part connection 2 of the force (forcing) pump is symmetrical arranged high-pressure spray gun relative to the full skirt.
- 7. device according to claim 5, it is characterised in that the high-pressure spray gun is fixed on the spray gun mounting rack, Spray gun delivery port corresponds to the gamp of the full skirt topmost, and apart from full skirt edge 15mm, in obliquely or oblique dividing into Put.
- 8. device according to claim 1, it is characterised in that the setpoint distance is the umbrella described in high wind tunnel testing The peak excursion distance of skirt.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720674631.0U CN207081535U (en) | 2017-06-12 | 2017-06-12 | A kind of experimental rig of silicon rubber insulator full skirt mechanical aging |
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| CN201720674631.0U CN207081535U (en) | 2017-06-12 | 2017-06-12 | A kind of experimental rig of silicon rubber insulator full skirt mechanical aging |
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| CN207081535U true CN207081535U (en) | 2018-03-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036803A (en) * | 2017-06-12 | 2017-08-11 | 武汉黎赛科技有限责任公司 | The experimental rig and method of a kind of silicon rubber insulator full skirt mechanical aging |
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2017
- 2017-06-12 CN CN201720674631.0U patent/CN207081535U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036803A (en) * | 2017-06-12 | 2017-08-11 | 武汉黎赛科技有限责任公司 | The experimental rig and method of a kind of silicon rubber insulator full skirt mechanical aging |
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