CN208621449U - Sliding block abrasion test platform - Google Patents
Sliding block abrasion test platform Download PDFInfo
- Publication number
- CN208621449U CN208621449U CN201821168326.5U CN201821168326U CN208621449U CN 208621449 U CN208621449 U CN 208621449U CN 201821168326 U CN201821168326 U CN 201821168326U CN 208621449 U CN208621449 U CN 208621449U
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- China
- Prior art keywords
- turntable
- sliding block
- test platform
- abrasion test
- conducting block
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Abstract
The utility model discloses a kind of sliding block abrasion test platforms, the turntable including insulation and the tested conducting block with turntable cooperation；Insulating regions and the conductive region with the cooperation of tested conducting block on turntable；Cooperate tested conducting block that liquid distribution is installed, liquid distribution is communicated with water supplying pipe；The turntable is connected with driving mechanism.The utility model structure is simple, easy to use, simulates abrasion condition of the pantograph sliding block when drenching with rain by the way that liquid distribution is arranged, and it is provided with shield, the safety for considerably increasing equipment, is additionally provided with spring case, realizes to the automatic tightening for being tested conducting block.
Description
Technical field
The utility model relates to a kind of sliding block abrasion test platforms, belong to machinery field.
Background technique
Greatly developing and applying with electric locomotive, pantograph seem more and more heavier with well contacting for contact wire
It wants, particularly important is also become for the understanding of the slider wear degree in pantograph.But applied pantograph is sliding on the market
Safe enough, environmental protection and not accurate enough to the precision of wear intensity are not accomplished in the detection of block abrasion, are especially the absence of and are drenching
To the detection of pantograph sliding block abrasion in the case of water.
Utility model content
The utility model overcomes the shortcomings of the prior art, and the utility model discloses a kind of sliding block abrasion test platforms.
The utility model structure is simple, easy to use, simulates abrasion of the pantograph sliding block when drenching with rain by the way that liquid distribution is arranged
Situation, and it is provided with shield, the safety of equipment is considerably increased, spring case is additionally provided with, realizes and is led to by tested
The automatic tightening of electric block.
In order to solve the above technical problems, the technology employed by the present utility model is
A kind of sliding block abrasion test platform, the turntable including insulation and the tested conducting block with turntable cooperation；On turntable absolutely
Edge region and the conductive region cooperated with tested conducting block；Cooperate tested conducting block that liquid distribution, liquid distribution are installed
It is communicated with water supplying pipe；The turntable is connected with driving mechanism.
Further to improve, the driving mechanism is motor, and motor is mounted on motor mount, motor mount installation
On the base, bracket is also equipped on pedestal, motor connects turntable by shaft joint；Mounting rack is connected on bracket；Water drenching dress
Set installation on the base.
Further to improve, the conductive region is the conductive plate being fixed on turntable.
It is further to improve, it is formed with mounting hole or sliding slot on the mounting rack, spring is installed on mounting hole or sliding slot
Box, spring case are connected with tested conducting block connection.
Further to improve, the spring case includes shell, and adjusting bolt is threaded on the left of shell, and right side passes through quilt
Testing conductive block；Cover top portion is formed with sliding slot, and sliding slot, which passes through, the guide frame being connected with tested conducting block；
It adjusts and compressed spring is installed between bolt and tested conducting block.
Further to improve, the guide frame is guide blot, and guide blot passes through sliding slot and tested conduction
Block is threadedly coupled；Bolt is adjusted to be threadedly coupled across sliding slot with tested conducting block.
Further to improve, the shell includes nylon sheet, and welding box and spring retainer cylinder, spring are fixed in nylon sheet
Position-limiting drum is in welding box, and compressed spring is in spring retainer cylinder；It is fixed on welding box and is closed on tested conducting block
The conducting block of setting.
It is further to improve, insulation protective hood is covered with outside the turntable and mounting rack, the insulation protective hood is transparent
PVC board.
Further to improve, passing through on the insulation protective hood has Universal pipe, and Universal pipe is connected to water supplying pipe, on water supplying pipe
Shut-off valve is installed；The liquid distribution is water tank, and water tank is communicated with water pump；It was equipped on pedestal below insulation protective hood
Strainer, base interior is hollow and is connected to water pump.
Further to improve, the mounting rack is connect by hollow axle and support shaft, is formed on hollow axle several logical
Hole, water supplying pipe are connected to hollow axle.
Detailed description of the invention
Fig. 1 is the schematic perspective view one of the utility model；
Fig. 2 is the schematic diagram of the section structure of spring case；
Fig. 3 is the structural schematic diagram of device of drenching with rain；
Fig. 4 is the mounting structure schematic diagram of Universal pipe；
Fig. 5 is electric control system circuit connection diagram；
Fig. 6 is the schematic perspective view two of the utility model.
Wherein, pedestal 1, motor mount 2, motor 3, shaft joint 4, turntable 5, insulating regions 51, conductive region 52, bracket
6 mounting racks 7, tested conducting block 8, liquid distribution 9, water supplying pipe 10, spring case 11, water pump 12, shell 13 adjust bolt 14,
Guide frame 16, nylon sheet 17 weld box 18, spring retainer cylinder 19, insulation protective hood 20, hollow axle 21, Universal pipe 22, mistake
Strainer 23, shut-off valve 24, water tank 25；Sliding slot 26；Compressed spring 27；Conducting block 28.
Specific embodiment
1) sliding block abrasion test platform is mainly filled by turntable, driving mechanism, high-voltage generator, insulating mechanism, security protection
It sets, liquid distribution, the part such as electrical control form.Material to be tested is installed to testing stand, it, can be with by operating test device
It realizes under the conditions of high low pressure, carries out the rate of depreciation measurement of sliding block material
The equipment is equipped with an abrasion turntable, simulates abrasion of the cable/conductor rail to sliding block material, wears the material of turntable
It is extremely strong using its wearability of the composite conductor rail of steel and aluminum material of subway and corrosion resistance.
Operator can freely adjust the contact force of sliding block material and abrasion turntable, and the linear velocity of sliding block can be with when test
It adjusts, adjustable range (1~30) m/s.Using frequency converter+variable-frequency motor speed-regulating system.
The equipment is equipped with arc generating device, when wearing turntable rotation, generates (the every rotation one of periodic discharge process
Circle, electric discharge are primary), arc erosion of the simulating contact cable to sliding block material.
The equipment is designed with reliable high and low voltage isolation, and effectively high-pressure section can be isolated, and support personnel will
And the safety of equipment.
The equipment should design hermetically sealed shield, avoid causing personnel to accidentally injure during test.There is observation on shield
Window.
As shown in figure 5, the utility model has independent operation panel, various functions mark is clear, has sudden-stop function.
1) equipment is equipped with liquid distribution, when testing progress to abrading block sample drop water, simulates under conditions of rain
Abrasion condition between contact net and abrading block sample.
2) this testing stand electric-control system selects PLC controller, for controlling entire test process.Driving aspect makes
With the revolving speed of Frequency Converter Control adjustable frequency motor, to achieve the purpose that the linear velocity for controlling wear disc.Variable-frequency motor function
Rate is 10KW, transducer power 15KW.The real-time revolving speed of motor is acquired by rotary encoder, is fed back onto PLC, through communicating
Line is shown in touch screen.Manual operation button station is set on the touchscreen simultaneously,
For controlling starting, the stopping, crawl of abrasion turntable, the speed of setting abrasion turntable.
3) it is AC220V, output electricity that scram button power supply is arranged on the control panel and on turntable to select input voltage
Pressure is the high pressure generator of DC1500V.For providing direct current 1500V power supply power supply to electric discharge disk, the series connection Europe 15K electricity in circuit
Resistance.To guarantee that loop current is stablized in 100mA.
4) all electric components are mounted in electrical control cabinet, use cable connection with testing stand electric components.Touching
Screen is touched to be mounted on electrical control cabinet door-plate.Door-plate and testing stand are respectively provided with scram button.
5) liquid distribution configured supplies water, and configuration waste water circulation filter is as shown in figure 3, when needing to simulate the environment that rains
When to open hand stop valve, the Universal pipe of delivery hose connection test item both ends fountain head as shown in Figure 4, test item and mill
On waste water then flow to wastewater collection Rose Box, hose makes to be back to water tank after recycling waste water filtering, realize in circulation, Guo Shuitong
Road and water tank apply insulated paint, test mechanism shell integral ground, prevent from being likely to occur water body and charging leading to test mechanism entirety
Electrification happens.
2. tooling composition is as shown in Figure 1
Testing stand tooling part by driving motor, turntable, bearing block, shaft coupling, motor mount, test item mounting rack,
It drenches with rain the composition such as device, shield, turntable and test item mounting rack are using insulating out, to reach the mesh of high_voltage isolation
's.Guarantee that mechanism in live testing, will not make outer casing electrification that safety accident occur.
Specific implementation step is as follows
Driving motor is for driving turntable to be rotated up to simulation 1~3m/s linear speed requirement.
Turntable is made of disk, wear disc, O-ring etc., and as shown 4, wherein disk uses
A-75 aluminium oxide ceramics is it is characterized in that its intensity is done, hardness is high, wear-resistant and corrosion resistance is strong.Wear disc is adopted
With wear-resistant material tin bronze.O-ring causes conduction for preventing water from entering shaft end.
Shaft coupling is for transmitting driving motor rotation and torque.
Bearing block is bringing circumference shearing stress and tensile stress for load-bearing rotary table under the rotating condition, while bearing block uses rubber
Glue sealing structure prevents testing stand water from entering, and increases testing stand reliability.
Test item conduction clamping device is installed in spring case.Spring case is as shown in Figure 2.
When replacing test item, needing two Bolt dismantling of support, Integral cross beam moves the space 80mm or so in the direction of the arrow,
It can be by subject sliding block disassembly.Both ends spring box body connects DC1500V power positive cathode, powers for experimental system.In electric power loop
The series connection Europe 15K resistance guarantees that output electric current is 100 milliamperes when circuit is connected.
Shield by hood and transparent PVC board group at, subject sliding block situation can be checked when wherein transparent PVC cover board is tested,
Play insulating protection simultaneously.
It drenches with rain device scheme
Device of drenching with rain is non-standard, and water is evacuated to sliding block top both ends water jet by motor booster pump when operating status
(1L/Min), water flow will form wet experiment condition with turntable rotation in closed hood, and extra moisture can pass through
Refluxing opening reflow tank is collected in lower section, and in order to recycling for water, recovery approach makes of closed insulating materials, with stage body
The outer wall of contact can all apply insulated paint, for preventing stage body from charging.
Examples detailed above is only a specific embodiment of the utility model, also equal to its simple transformation, replacement etc.
In the protection scope of utility model.
Claims (10)
1. a kind of sliding block abrasion test platform, which is characterized in that turntable (5) including insulation and tested with turntable (5) cooperation
Conducting block (8)；Insulating regions (51) and the conductive region (52) with tested conducting block (8) cooperation on turntable (5)；Cooperation is tested
Examination conducting block (8) is equipped with liquid distribution (9), and liquid distribution (9) is communicated with water supplying pipe (10)；The turntable (5) is connected with drive
Motivation structure.
2. sliding block abrasion test platform as described in claim 1, which is characterized in that the driving mechanism is motor (3), motor
(3) it is mounted on motor mount (2), motor mount (2) is mounted on pedestal (1), and pedestal is also equipped with bracket on (1)
(6), motor (3) passes through shaft joint (4) connection turntable (5)；Mounting rack (7) are connected on bracket (6)；Liquid distribution (9) installation
On pedestal (1).
3. sliding block abrasion test platform as claimed in claim 2, which is characterized in that the conductive region (52) is to be fixed on turntable
(5) conductive plate on.
4. sliding block abrasion test platform as claimed in claim 2, which is characterized in that be formed with mounting hole on the mounting rack (7)
Or sliding slot (26), it is equipped with spring case (11) on mounting hole or sliding slot (26), spring case (11) is connected with tested conducting block (8)
Connection.
5. sliding block abrasion test platform as claimed in claim 4, which is characterized in that the spring case (11) includes shell (13),
It is threaded on the left of shell (13) and adjusts bolt (14), right side passes through tested conducting block (8)；Shell (13) is top formed to be had
It slides slot (15), sliding slot (15), which passes through, the guide frame (16) being connected with tested conducting block (8)；Adjust bolt
(14) it is equipped between tested conducting block (8) compressed spring (27).
6. sliding block abrasion test platform as claimed in claim 5, which is characterized in that the guide frame (16) is guide blot,
Guide blot passes through mounting hole or sliding slot (26) is connected with shell (13)；It adjusts bolt (14) and passes through sliding slot (15) and quilt
Testing conductive block (8) is threadedly coupled.
7. sliding block abrasion test platform as claimed in claim 5, which is characterized in that the shell (13) includes nylon sheet (17),
Welding box (18) and spring retainer cylinder (19) are fixed in nylon sheet (17), spring retainer cylinder (19) is in welding box (18),
Compressed spring (27) is in spring retainer cylinder (19)；It is fixed in welding box (18) and closes on setting with tested conducting block (8)
Conducting block (28).
8. sliding block abrasion test platform as claimed in claim 5, which is characterized in that be provide with outside the turntable (5) and mounting rack (7)
Have insulation protective hood (20), the insulation protective hood (20) is transparent PVC plate.
9. sliding block abrasion test platform as claimed in claim 8, which is characterized in that across having ten thousand on the insulation protective hood (20)
To pipe (22), Universal pipe (22) is connected to water supplying pipe (10), and shut-off valve (24) are equipped on water supplying pipe (10)；The liquid distribution
It (9) is water tank (25) that water tank (25) is communicated with water pump (12)；Filtering is installed on pedestal (1) below insulation protective hood (20)
Net (23), pedestal (1) inner hollow are simultaneously connected to water pump (12).
10. sliding block abrasion test platform as claimed in claim 2, which is characterized in that the mounting rack (7) passes through hollow axle
(21) it is connect with bracket (6) axis, several through-holes is formed on hollow axle (21), water supplying pipe (10) is connected to hollow axle (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821168326.5U CN208621449U (en) | 2018-07-23 | 2018-07-23 | Sliding block abrasion test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821168326.5U CN208621449U (en) | 2018-07-23 | 2018-07-23 | Sliding block abrasion test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208621449U true CN208621449U (en) | 2019-03-19 |
Family
ID=65706765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821168326.5U Active CN208621449U (en) | 2018-07-23 | 2018-07-23 | Sliding block abrasion test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208621449U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680450A (en) * | 2018-07-23 | 2018-10-19 | 株洲长河电力机车科技有限公司 | Sliding block abrasion test platform |
| CN111751267A (en) * | 2020-06-09 | 2020-10-09 | 人本集团有限公司 | Bearing electrolytic corrosion peeling test tool |
-
2018
- 2018-07-23 CN CN201821168326.5U patent/CN208621449U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680450A (en) * | 2018-07-23 | 2018-10-19 | 株洲长河电力机车科技有限公司 | Sliding block abrasion test platform |
| CN111751267A (en) * | 2020-06-09 | 2020-10-09 | 人本集团有限公司 | Bearing electrolytic corrosion peeling test tool |
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