CN107036803B - Test device and method for mechanical aging of umbrella skirt of silicon rubber insulator - Google Patents
Test device and method for mechanical aging of umbrella skirt of silicon rubber insulator Download PDFInfo
- Publication number
- CN107036803B CN107036803B CN201710437103.8A CN201710437103A CN107036803B CN 107036803 B CN107036803 B CN 107036803B CN 201710437103 A CN201710437103 A CN 201710437103A CN 107036803 B CN107036803 B CN 107036803B
- Authority
- CN
- China
- Prior art keywords
- umbrella skirt
- water flow
- insulator
- water
- rubber insulator
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Insulators (AREA)
Abstract
The invention discloses a test device and a test method for mechanical ageing of a silicon rubber insulator umbrella skirt. The test device comprises: the insulator mounting rack is used for fixing the silicon rubber insulator; and the water flow spraying unit is used for spraying water flow to the umbrella skirt of the silicon rubber insulator so that the umbrella skirt is offset by a set distance under the spraying of the sprayed water flow. The invention realizes that the low-cost test device replaces high professional test equipment, and reduces the cost of the test device.
Description
Technical Field
The embodiment of the invention relates to a mechanical equipment testing technology, in particular to a device and a method for testing mechanical ageing of a silicon rubber insulator umbrella skirt.
Background
When the motor train unit runs, the mechanical performance of the silicon rubber insulator umbrella skirt connected with the pantograph, the switch or the bus at the top of the motor train unit can influence the running safety of the motor train unit. If the umbrella skirt is deformed too much, the effective creepage distance is possibly reduced, the flashover probability is increased, unsafe power transmission is caused, and the safe operation of the train is endangered. Therefore, the mechanical performance of the insulator in operation is an important object of attention, and fatigue test research is required in the early stage, so that the service life of the silicone rubber insulator of the motor car is reasonably established.
In the prior art, in order to restore the actual running situation of a high-speed motor train, simulate the fatigue test of wind power and atmospheric pressure, accelerate the mechanical aging of the insulator umbrella skirt, generally adopt a high-speed wind tunnel test, namely a test device comprises a space simulating a wind tunnel, a blower and a video monitoring device. When in a CRH380 model insulator test, an insulator to be tested is placed in a simulated wind tunnel space, and a blower is adopted to generate a wind speed of 105m/s (380 km/h) and continuously blown into the simulated wind tunnel space so as to impact the insulator umbrella skirt; in the process, a video monitoring device is used for shooting pictures of the insulator umbrella skirt after being impacted, and the maximum offset of the umbrella skirt is captured and used for later manual analysis and judgment of the mechanical properties of the insulator umbrella skirt.
However, although the test method can effectively simulate the actual running condition of the motor train unit, only a few units with aircraft manufacturing qualification can own the motor train unit in China, and the test process is extremely expensive.
Disclosure of Invention
The invention provides a test device and a test method for mechanical ageing of a silicon rubber insulator umbrella skirt, which are used for measuring the deformation condition of the insulator umbrella skirt in the running speed range of a motor car and reducing the cost of the test device.
In a first aspect, an embodiment of the present invention provides a test apparatus for mechanical aging of a shed of a silicone rubber insulator, including:
the insulator mounting rack is used for fixing the silicon rubber insulator;
and the water flow spraying unit is used for spraying water flow to the umbrella skirt of the silicon rubber insulator so that the umbrella skirt is offset by a set distance under the spraying of the sprayed water flow.
Further, the insulator mounting bracket includes: the electric roller is used for fixing the silicon rubber insulator and driving the silicon rubber insulator and the umbrella skirt to rotate.
Further, the vertical displacement amount of the electric roller is 6mm, and the horizontal rotation speed is 60 revolutions/min or 120 revolutions/min.
Further, the insulator mounting bracket includes: the fixing bracket is used for fixing the silicon rubber insulator; the water flow spraying unit comprises a plurality of water outlets for spraying water flow, and the water outlets are uniformly distributed around the circumference of the umbrella skirt.
Further, the water flow injection unit includes:
the pressurizing pump is used for pressurizing water flow provided by the water source to a set pressure value;
a high-pressure spray gun connected to the pressurizing pump for spraying water flow with a set pressure value to the umbrella skirt for water flow impact so that the umbrella skirt is deviated by a set distance under the spraying of the sprayed water flow;
and the spray gun mounting frame is used for fixing the high-pressure spray gun.
Further, the number of the pressurizing pumps is 2, the pressurizing pumps are respectively connected to the water inlet valves, the water outlet pipe of each pressurizing pump is connected with 2 high-pressure spray guns, and the high-pressure spray guns are symmetrically arranged relative to the umbrella skirt.
Further, the high-pressure spray gun is fixed on the spray gun mounting frame, and a spray gun water outlet corresponds to the big umbrella at the uppermost part of the umbrella skirt and is arranged obliquely upwards or downwards 15mm away from the edge of the umbrella skirt.
Further, the offset set distance is the maximum offset distance of the umbrella skirt in a high-speed wind tunnel test.
In a second aspect, an embodiment of the present invention further provides a method for testing mechanical aging of a shed of a silicone rubber insulator, where the method is performed by using the device for testing mechanical aging of a shed of a silicone rubber insulator provided in any embodiment of the present invention, and includes:
and controlling the water flow spraying unit to spray water flow to the umbrella skirt of the silicon rubber insulator fixed on the insulator mounting frame, so that the umbrella skirt deflects a set distance under the spraying of the water flow.
Further, controlling the water flow injection unit to inject water flow to the umbrella skirt of the silicone rubber insulator fixed on the insulator mounting frame includes:
the method comprises the steps of controlling the horizontal direction of a silicon rubber insulator umbrella skirt fixed on an insulator mounting frame to continuously rotate, so that the umbrella skirt deflects a set distance under the injection of water injection; the vertical direction reciprocates up and down, so that the water jet forms stress points randomly in a small range on the surface of the umbrella skirt, and the continuous vibration of the umbrella skirt is caused. The method comprises the steps of carrying out a first treatment on the surface of the
And controlling the water flow injection unit to continuously inject water flow to the rotating umbrella skirt.
Further, controlling the water flow injection unit to inject water flow to the umbrella skirt of the silicone rubber insulator fixed on the insulator mounting frame includes:
the water pressure of the water flow sprayed by the water flow spraying unit is dynamically adjusted to impact the umbrella skirt of the silicon rubber insulator.
According to the invention, a relatively common and low-cost test device is used for replacing rare and high-cost professional test equipment, so that the problem of high cost of wind tunnel test verification of the silicon rubber product with the umbrella skirt is solved, the mechanical ageing test process of the umbrella skirt of the silicon rubber insulator can be simulated, and the effect of low economic investment of the test device is realized.
Drawings
Fig. 1 is a schematic structural diagram of a test apparatus for mechanical aging of a silicone rubber insulator umbrella skirt in a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a test apparatus for mechanical aging of a silicone rubber insulator umbrella skirt in a second embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a test device for mechanical aging of a silicone rubber insulator umbrella skirt in a third embodiment of the present invention.
Fig. 4 is a schematic diagram of a water flow jet unit in a test device for mechanical aging of a silicone rubber insulator umbrella skirt in a fourth embodiment of the present invention.
Fig. 5 is a flowchart of a test method for mechanical aging of a silicone rubber insulator umbrella skirt in a fifth embodiment of the present invention.
Fig. 6 is a structural block diagram of a test method for mechanical aging of a silicone rubber insulator umbrella skirt in a sixth embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
Example 1
Fig. 1 is a schematic structural diagram of a test device for mechanical aging of a shed of a silicone rubber insulator according to an embodiment of the present invention, where the specific structure of the test device includes:
an insulator mount 110 for fixing a silicone rubber insulator;
and a water flow spraying unit 120 for spraying water flow to the umbrella skirt of the silicon rubber insulator so that the umbrella skirt is offset by a set distance under the spray of the sprayed water flow.
In particular, the insulator mounting bracket 110 serves to fix the silicone rubber insulator so as to better and more uniformly receive the water flow sprayed from the water flow spraying unit. Insulator mount 110 may be one or more posts with a connecting plate mounted on top of the posts that connects to the silicone rubber insulator. The water flow injection unit 120 outputs water flows of different pressures instead of different wind speeds, and the water flows are continuously injected to the silicone rubber insulator umbrella skirt at the different water flow speeds, so that the silicone rubber insulator umbrella skirt is offset by a set distance under the water flow injected by the water flow injection unit 120. The number of the water jet units 120 may be 1 or more, preferably 2 or 4. The water jet units 120 may be uniformly distributed along the circumferential direction of the umbrella skirt of the silicone rubber insulator and fixed on the mounting frame. The water jet unit 120 is preferably a high pressure spray gun.
The working principle of the test device for mechanical ageing of the umbrella skirt of the silicon rubber insulator is that high-pressure water flow is utilized to replace high wind speed, the running speed of a high-speed motor train unit is simulated, and water flows with different pressures are output to replace different wind speeds. Under the water flow rates of different pressures, the insulator umbrella skirt is continuously impacted, the tearing condition of the surface of the insulator umbrella skirt is detected, and the mechanical aging speed of the silicone rubber product is accelerated through continuous water flow impact tests, so that a theoretical basis is provided for developing the service life research of the silicone rubber.
According to the technical scheme, the problem of high cost of the wind tunnel test verification of the silicon rubber product with the umbrella skirt is solved through the insulator mounting frame and the water flow jet unit, the test process of mechanical ageing of the umbrella skirt of the silicon rubber insulator can be simulated, and the effect of low economic investment of the test device is achieved.
On the basis of the technical scheme, the offset set distance is the maximum offset distance of the umbrella skirt in a high-speed wind tunnel test. The offset distance has the advantages that the maximum offset of the umbrella skirt is the same as that of the umbrella skirt in the high-speed wind tunnel test, so that the experimental device can effectively replace the high-speed wind tunnel test, and the effect of reducing the test cost is achieved.
Example two
Fig. 2 is a schematic structural diagram of a test apparatus for mechanical aging of a silicone rubber insulator umbrella skirt according to a second embodiment of the present invention, and in this embodiment, based on the above embodiments, it is preferable that an insulator mounting frame 110 is further optimized to be an electric roller 1101 for fixing the silicone rubber insulator and driving the silicone rubber insulator and the umbrella skirt to rotate.
Specifically, the silicone rubber insulator is fixed on the electric roller 1101, and the electric roller 1101 can generate a certain displacement in the vertical direction, and can also adjust the rotation speed in the horizontal direction. For example, the motor roller 1101 is vertically displaced by 6mm, and the horizontal rotation speed is 60 rpm or 120 rpm. The purpose is to make the position and force of the umbrella skirt change within a certain range so as to better simulate the mechanical aging process.
According to the technical scheme, the electric roller is used for fixing and driving the silicon rubber insulator and the umbrella skirt to rotate, so that the problems of high cost and difficult use and maintenance of an experimental device are solved, and the effects of low economic investment and simplicity in use and maintenance of the experimental device are achieved.
On the basis of the technical scheme, the vertical displacement of the electric roller 1101 can be preferably set to be 6mm, wherein the vertical displacement of the electric roller 1101 refers to the displacement of the table body in the vertical direction, and the vertical displacement of the electric roller 1101 has the advantages that the stress position and the force of the umbrella skirt are changed within a certain range, the umbrella skirt is deviated due to overlarge force, and the effect is not obvious due to overlarge force; the horizontal rotation speed is 60 revolutions per minute or 120 revolutions per minute, and the electric roller 1101 has the advantages that the whole umbrella skirt circumference can be impacted by the electric roller 1101, so that the mechanical vibration state can be better simulated, and the running speed effect of the high-speed motor train unit can be truly simulated.
Example III
Fig. 3 is a schematic structural diagram of a test apparatus for mechanical aging of a umbrella skirt of a silicone rubber insulator according to a third embodiment of the present invention, where the insulator mounting rack 110 is preferably further optimized to be a fixing bracket 1102 for fixing the silicone rubber insulator on the basis of the above embodiments. At this time, the water jet unit 120 includes a plurality of water outlets for jetting water, and is uniformly distributed around the circumference of the umbrella skirt.
Specifically, the silicone rubber insulator is fixed on the fixing support 1102, wherein the fixing support 1102 can be any shape and any number of upright posts. For example, four upright posts may be uniformly arranged along the circumferential direction of the umbrella skirt of the silicone rubber insulator, so as to fix the tested umbrella skirt, so that the umbrella skirt of the silicone rubber insulator is excessively deviated when the water jet unit 120 jets water. Meanwhile, in order to better simulate the mechanical vibration state, the water flow injection unit 120 is provided with a plurality of water flow injection outlets, and the water flow injection outlets are uniformly distributed around the circumference of the tested umbrella skirt of the silicone rubber insulator. The water jet units 120 are preferably high-pressure spray guns, and the number of the water jet units 120 can be 1 or more, preferably 2 or 4.
According to the technical scheme, the silicon rubber insulator is fixed through the fixing support, and the water outlets for spraying water flow are distributed on the circumferential direction of the umbrella skirt, so that the problem of high cost of the experimental device is solved, and the effect of low economic investment of the experimental device is achieved.
Example IV
Fig. 4 is a schematic structural diagram of a water jet unit in a test device for mechanical aging of a silicone rubber insulator umbrella skirt according to a fourth embodiment of the present invention, and the rest of the test device for mechanical aging of a silicone rubber insulator umbrella skirt is referred to the rest of the embodiments. In this embodiment, based on the above embodiments, the water flow spraying unit in the test device for mechanical aging of the umbrella skirt of the silicone rubber insulator is preferably further optimized to include:
a pressurizing pump 410 for pressurizing the water flow supplied from the water source to a set pressure value;
a high pressure spray gun 1201 connected to the pressurizing pump 410 for spraying a water flow having a set pressure value to the umbrella skirt to perform a water flow impact so that the umbrella skirt is offset by a set distance under the spray of the sprayed water flow;
and a spray gun mounting bracket 430 for securing the high pressure spray gun.
Specifically, the water inlet of the booster pump 410 is connected to a water source, and pressurizes water flow to be consistent with air resistance of the insulator umbrella skirt in a high-speed wind tunnel test, namely to a set pressure value, so as to control the mechanical load of the insulator umbrella skirt. The high-pressure spray gun 1201 can select a solid nozzle with the diameter of 2mm, the working pressure of the nozzle can reach 2500bar, and the high-pressure spray gun 1201 is connected to a water outlet pipe of the booster pump 410 to form ultrahigh-pressure jet. The spray gun mounting frame 430 can be any shape of upright post or rectangular frame for fixing the high-pressure spray gun.
According to the technical scheme, the problems of high cost and difficult use and maintenance of the experimental device are solved through the booster pump, the high-pressure spray gun and the spray gun mounting frame, and the effects of low economic investment and simplicity and convenience in use and maintenance of the experimental device are achieved.
On the basis of the above embodiments, the pressurizing pumps 410 are preferably 2, each of which is connected to the water inlet valve, and 2 high-pressure spray guns 1201 are connected to the water outlet pipe of the pressurizing pump 410, and are symmetrically arranged with respect to the umbrella skirt. The advantage of such an arrangement of the booster pump 410 and the high pressure gun 1201 is that the entire circumference of the shed can be impacted, thereby achieving a more realistic replacement of high wind speeds.
On the basis of the above embodiments, the high-pressure spray gun 1201 is fixed on the spray gun mounting frame 430, and the spray gun water outlet is preferably corresponding to the large umbrella at the uppermost part of the umbrella skirt, and is arranged obliquely upwards or downwards 15mm from the edge of the umbrella skirt. The arrangement is that the umbrella skirt has a certain taper and the umbrella skirt is stressed by mechanical vibration at the position, which is 1/4 of the outer side, of the umbrella skirt with the umbrella cover, and the outer side is excessively deflected, so that the umbrella skirt is distorted, and the inner side is not deflected enough.
The embodiment of the invention also provides a test method for mechanical ageing of the umbrella skirt of the silicon rubber insulator, which can be implemented by the device provided by the embodiments, and comprises the following steps:
and controlling the water flow spraying unit to spray water flow to the umbrella skirt of the silicon rubber insulator fixed on the insulator mounting frame, so that the umbrella skirt deflects a set distance under the spraying of the water flow.
The process can be further optimized and is described in detail below by way of examples.
Example five
Fig. 5 is a flowchart of a test method for mechanical aging of a shed of a silicone rubber insulator according to a fifth embodiment of the present invention, where the method may be performed by the test apparatus for mechanical aging of a shed of a silicone rubber insulator according to the above embodiments, and specifically includes the following steps:
and 510, controlling a water flow spraying unit to spray water flow to the umbrella skirt of the silicon rubber insulator fixed on the insulator mounting frame, so that the umbrella skirt is offset by a set distance under the spray of the sprayed water flow.
The purpose of controlling the water flow jet unit to jet water flow to the umbrella skirt of the silicon rubber insulator fixed on the insulator mounting frame is to enable the offset distance of the umbrella skirt under the experimental device of the application to be the same as the offset distance in the high-speed wind tunnel test, so that high-pressure water flow can be used for replacing high wind speed.
Step 520, controlling the horizontal direction of the umbrella skirt of the silicon rubber insulator fixed on the insulator mounting rack to continuously rotate, so that the umbrella skirt deflects a set distance under the injection of the injection water flow; the vertical direction reciprocates up and down, so that the water jet forms stress points randomly in a small range on the surface of the umbrella skirt, and the continuous vibration of the umbrella skirt is caused.
The silicon rubber insulator umbrella skirt fixed on the insulator mounting frame is controlled to continuously rotate in the horizontal direction, so that the whole circumference of the umbrella skirt can be impacted. The up-and-down reciprocating motion in the vertical direction is used for enabling the umbrella skirt to vibrate continuously so as to better simulate the mechanical vibration state and achieve the effect of truly simulating the running speed of the high-speed motor train unit.
Further, the method may also perform step 530.
And 530, controlling the water flow injection unit to continuously inject water flow to the rotating umbrella skirt.
The water flow spraying unit is controlled to continuously spray water flow to the rotating umbrella skirt so as to accelerate ageing time of the umbrella skirt of the silicon rubber insulator. In the experimental process, an experimental device is arranged, an insulator is fixed, a power supply and a water source are connected in parallel, and the experiment is carried out continuously for 24 hours. The water supply and power supply condition is checked once in 24 hours, and the rest is not needed to be paid attention. And (5) taking down the insulator after 1000 hours, and cutting off the tested umbrella skirt to analyze the mechanical properties.
Further, the method may also perform step 540.
Step 540, dynamically adjusting the water pressure of the water flow sprayed by the water flow spraying unit to impact the umbrella skirt of the silicon rubber insulator.
The hydraulic pressure of the water flow sprayed by the water flow spraying unit is dynamically adjusted to impact the umbrella skirt of the silicon rubber insulator, and the mechanical aging test effect under different water flow impact forces is simulated by changing the pressure of high-pressure water flow.
The execution sequence of the steps 510, 520, 530, and 540 is not limited to sequential execution, and may be executed in parallel.
According to the technical scheme, the problem that the cost of an experimental device for mechanical aging of the umbrella skirt of the silicon rubber insulator is high is solved by the experimental method for mechanical aging of the umbrella skirt of the silicon rubber insulator, and the effect of low economic investment of the experimental device is achieved.
Example six
Fig. 6 is a structural block diagram of a test method for mechanical aging of a silicone rubber insulator umbrella skirt according to a sixth embodiment of the present invention. The present embodiment may be based on the above embodiments, and provides a preferred embodiment.
In this embodiment, 2 pressurizing pumps 610 are connected to a water source, and a water outlet pipe is connected to 2 high-pressure spray guns 620, wherein the pressurizing pumps 610 select an operating pressure of 6MP and a flow rate of 13L/min. The high-pressure spray gun 620 is fixed on the spray gun mounting frame 630, the high-pressure spray gun 620 selects a solid nozzle with the diameter of 2mm, the working pressure of a spray head can reach 2500bar, and ultra-high pressure jet flow can be formed by being mounted on the spray pipe. The insulator is fixed to the motorized pulley 640. The vertical displacement of the motorized pulley 640 is 6mm, and the horizontal rotation speed is 60 or 120 rotations per minute. The water outlet of the high-pressure spray gun 620 selects the uppermost big umbrella of the umbrella skirt of the silicon rubber insulator, and the two opposite diameter points of 180 degrees which are 15mm away from the edge of the umbrella are respectively acted by upward and downward forces. The water outlet of the high-pressure spray gun 620 can be aligned with any position of the umbrella skirt of the silicon rubber insulator, preferably corresponds to the uppermost big umbrella of the umbrella skirt, and the aging degree of the big umbrella of the umbrella skirt is used for replacing the aging degree of the whole umbrella skirt. After the test device is connected, the water inlet valve of the pressurizing pump 610 is opened, and the pressurizing pump 610 is turned on. The high pressure spray gun 620 is fixed, and the high pressure spray gun 620 continuously sprays water. The motorized pulley 640 is powered on, continuously rotates, and continuously opens. During the impact process, the pressure of the booster pump 610 can be optionally adjusted to make the impact force of water flow consistent with the air resistance to simulate the fatigue test effect at different wind speeds, wherein the air resistance Fw is a formed by air versus advancing motor carThe calculation formula of the reverse acting force is as follows: fw=1/16·A·Cw·V2, V is the driving speed in m/s; a is the cross-sectional area of the motor car, and the unit is m 2 The method comprises the steps of carrying out a first treatment on the surface of the Cw is the windage coefficient.
According to the technical scheme, the problems that the test device is high, time and labor are wasted are solved, and the technical effects that the test device which is common and low in cost replaces rare and high professional test equipment and is time-saving and labor-saving are achieved.
The method can execute the test device for mechanical ageing of the umbrella skirt of the silicon rubber insulator, which is provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of executing the test device for mechanical ageing of the umbrella skirt of the silicon rubber insulator.
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (8)
1. The utility model provides a test device of silicone rubber insulator umbrella skirt mechanical ageing which characterized in that includes:
the insulator mounting rack is used for fixing the silicon rubber insulator;
the water flow spraying unit is used for spraying water flow to the umbrella skirt of the silicon rubber insulator so that the umbrella skirt is offset by a set distance under the spraying of the sprayed water flow;
the set distance is the maximum offset distance of the umbrella skirt in a high-speed wind tunnel test;
the insulator mounting bracket includes:
the electric roller is used for fixing the silicon rubber insulator and driving the silicon rubber insulator and the umbrella skirt to rotate; the fixing bracket is used for fixing the silicon rubber insulator;
the water flow injection unit comprises a plurality of water outlets for injecting water flow, and the water outlets are uniformly distributed around the circumference of the umbrella skirt.
2. The device according to claim 1, wherein the vertical displacement amount of the motorized roller is 6mm, and the horizontal rotation speed is 60 rpm or 120 rpm.
3. The apparatus according to any one of claims 1 to 2, wherein the water jet unit comprises:
the pressurizing pump is used for pressurizing water flow provided by the water source to a set pressure value;
a high-pressure spray gun connected to the pressurizing pump for spraying water flow with a set pressure value to the umbrella skirt for water flow impact so that the umbrella skirt is deviated by a set distance under the spraying of the sprayed water flow;
and the spray gun mounting frame is used for fixing the high-pressure spray gun.
4. A device according to claim 3, wherein the pressurizing pumps are 2, each of which is connected to a water inlet valve, and the high-pressure spray gun is connected with the water outlet pipe of the pressurizing pump, and the high-pressure spray gun is symmetrically arranged relative to the umbrella skirt.
5. A device according to claim 3, wherein the high pressure lance is fixed to the lance mounting frame with a lance outlet corresponding to the uppermost large umbrella of the skirt and disposed at a distance of 15mm from the edge of the skirt, diagonally upwards or downwards.
6. A method for testing mechanical aging of a shed of a silicone rubber insulator, which is characterized in that the method is carried out by using the testing device for mechanical aging of a shed of a silicone rubber insulator according to any one of claims 1 to 5, and comprises the following steps:
and controlling the water flow spraying unit to spray water flow to the umbrella skirt of the silicon rubber insulator fixed on the insulator mounting frame, so that the umbrella skirt deflects a set distance under the spraying of the water flow.
7. The method of claim 6, wherein controlling the water jet unit to jet water toward the silicone rubber insulator umbrella skirt fixed to the insulator mount comprises:
the method comprises the steps of controlling the horizontal direction of a silicon rubber insulator umbrella skirt fixed on an insulator mounting frame to continuously rotate, so that the umbrella skirt deflects a set distance under the injection of water injection; the vertical direction reciprocates up and down, so that the jet water flow randomly forms stress points in a small range on the surface of the umbrella skirt, and the continuous vibration of the umbrella skirt is caused;
and controlling the water flow injection unit to continuously inject water flow to the rotating umbrella skirt.
8. The method of claim 6, wherein controlling the water jet unit to jet water toward the silicone rubber insulator umbrella skirt fixed to the insulator mount comprises:
the water pressure of the water flow sprayed by the water flow spraying unit is dynamically adjusted to impact the umbrella skirt of the silicon rubber insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710437103.8A CN107036803B (en) | 2017-06-12 | 2017-06-12 | Test device and method for mechanical aging of umbrella skirt of silicon rubber insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710437103.8A CN107036803B (en) | 2017-06-12 | 2017-06-12 | Test device and method for mechanical aging of umbrella skirt of silicon rubber insulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107036803A CN107036803A (en) | 2017-08-11 |
| CN107036803B true CN107036803B (en) | 2023-06-20 |
Family
ID=59542267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710437103.8A Active CN107036803B (en) | 2017-06-12 | 2017-06-12 | Test device and method for mechanical aging of umbrella skirt of silicon rubber insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107036803B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932597B (en) * | 2019-03-22 | 2021-05-18 | 国网湖南省电力有限公司 | Composite insulator umbrella skirt non-uniform aging test platform and use method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3479861A (en) * | 1967-02-15 | 1969-11-25 | Ngk Insulators Ltd | Method of detecting defects in a head portion of a porcelain shell of a suspension insulator |
| JPH03149714A (en) * | 1989-11-06 | 1991-06-26 | Ngk Insulators Ltd | Insulator cleaning method and its device |
| JP2012018035A (en) * | 2010-07-07 | 2012-01-26 | Kitami Institute Of Technology | Wind tunnel test apparatus |
| CN202141780U (en) * | 2011-03-18 | 2012-02-08 | 国网电力科学研究院 | Wind device used for simulation ice-coating test of extra-high voltage insulator |
| CN205810488U (en) * | 2016-07-12 | 2016-12-14 | 南方电网科学研究院有限责任公司 | Extra-high voltage direct current composite post insulator anti-seismic test sample |
| WO2017008356A1 (en) * | 2015-07-14 | 2017-01-19 | 清华大学深圳研究生院 | Oscillation start-up wind speed evaluation method and type selection method for composite insulator |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE739188C (en) * | 1938-10-29 | 1943-09-14 | Aeg | Method for determining cracks or similar defects on the surface of ceramic insulators designed as hollow bodies for high-voltage devices, which impair the mechanical strength |
| JPH06223660A (en) * | 1993-01-26 | 1994-08-12 | Ngk Insulators Ltd | Insulator washing device |
| CN101324480B (en) * | 2008-07-04 | 2011-06-01 | 西安交通大学 | Apparatus for insulator wind-tunnel test |
| KR20110016522A (en) * | 2009-08-12 | 2011-02-18 | 한국전력공사 | Nondestructive inspection method of insulators using frequency resonance function |
| CN103278306B (en) * | 2013-04-16 | 2016-02-10 | 新疆电力公司 | Anti-wind capability detection method, device and composite insulator method for making |
| CN203422303U (en) * | 2013-06-28 | 2014-02-05 | 国家电网公司 | Novel on-line hydrophobicity detection device |
| CN103591745B (en) * | 2013-11-15 | 2016-04-20 | 国家电网公司 | A kind of V-type insulator chain snowberg test snow making apparatus and method of operating thereof |
| CN203572757U (en) * | 2013-11-18 | 2014-04-30 | 国家电网公司 | Test device for testing electrolytic corrosion of insulator metal accessory |
| CN203732233U (en) * | 2014-01-15 | 2014-07-23 | 云南电力试验研究院（集团）有限公司电力研究院 | Simulation device for testing impact load of pillar insulator |
| CN106500586A (en) * | 2017-01-10 | 2017-03-15 | 国网江苏省电力公司电力科学研究院 | One kind is using wind tunnel experiment analog insulation substring windage yaw angle measuring system and method |
| CN207081535U (en) * | 2017-06-12 | 2018-03-09 | 武汉黎赛科技有限责任公司 | A kind of experimental rig of silicon rubber insulator full skirt mechanical aging |
-
2017
- 2017-06-12 CN CN201710437103.8A patent/CN107036803B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3479861A (en) * | 1967-02-15 | 1969-11-25 | Ngk Insulators Ltd | Method of detecting defects in a head portion of a porcelain shell of a suspension insulator |
| JPH03149714A (en) * | 1989-11-06 | 1991-06-26 | Ngk Insulators Ltd | Insulator cleaning method and its device |
| JP2012018035A (en) * | 2010-07-07 | 2012-01-26 | Kitami Institute Of Technology | Wind tunnel test apparatus |
| CN202141780U (en) * | 2011-03-18 | 2012-02-08 | 国网电力科学研究院 | Wind device used for simulation ice-coating test of extra-high voltage insulator |
| WO2017008356A1 (en) * | 2015-07-14 | 2017-01-19 | 清华大学深圳研究生院 | Oscillation start-up wind speed evaluation method and type selection method for composite insulator |
| CN205810488U (en) * | 2016-07-12 | 2016-12-14 | 南方电网科学研究院有限责任公司 | Extra-high voltage direct current composite post insulator anti-seismic test sample |
Non-Patent Citations (1)
| Title |
|---|
| 防污伞裙套的研制及其应用;刘兆林等;中国电力(07);第40-45页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107036803A (en) | 2017-08-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107036803B (en) | Test device and method for mechanical aging of umbrella skirt of silicon rubber insulator | |
| CN104259148B (en) | A kind of Steel Wire Surface automatic dust removing apparatus and method | |
| CN204736562U (en) | Circular screen printer's mould cleaning device | |
| CN105136585A (en) | Testing apparatus and testing method for soft pipe aging testing | |
| CN208643050U (en) | Novel antifouling dodges coating coating unit | |
| CN205111606U (en) | A remove ball device that is used for chain processing to use shot -blasting machine | |
| CN207081535U (en) | A kind of experimental rig of silicon rubber insulator full skirt mechanical aging | |
| CN107938668A (en) | A kind of construction pile driving equipment | |
| CN106005529A (en) | Flexible control device for counter weight wheel of packaging machine and control method thereof | |
| CN105584215B (en) | Electrohydrodynamic jet printing lattice structure device and method thereof | |
| CN206605384U (en) | A kind of special stop device of sandblasting | |
| CN208164123U (en) | Quickly cooling device is used in a kind of production of automotive trim panel | |
| CN105667713A (en) | Fire-extinguishing device for rotational molding yacht | |
| CN110758763B (en) | Unmanned aerial vehicle pneumatic catapult and catapult method | |
| CN207386438U (en) | A kind of ink jet printer | |
| CN108114933A (en) | A kind of more spray head cleaning devices of electric operating high-voltage contact | |
| CN114354479A (en) | Crack resistance intelligent detection equipment for concrete pole | |
| CN106541357A (en) | The provision for disengagement of rubber ring on spring column pin | |
| CN104990702B (en) | A kind of fire extinguishing device jet cone heavy burden automatic test equipment | |
| CN210269144U (en) | Actuator cylinder telescopic test equipment | |
| CN112798306A (en) | Dynamic simulation device for storage environment of edible agricultural products | |
| CN215073585U (en) | Become oar motor and become oar comprehensive test platform for driver | |
| CN204471314U (en) | The valve spring Upper gasket of engine and the dismantling device of locker | |
| CN204505804U (en) | A kind of robot device | |
| CN103323183A (en) | Inlaid type porcelain bushing leak detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |