CN208621448U - The sliding block abrasion test platform of automatic impaction - Google Patents

Abstract

The utility model discloses a kind of sliding block abrasion test platforms of automatic impaction, the turntable including insulation and the tested conducting block with turntable cooperation；The turntable is connected with driving mechanism；The tested conducting block is mounted on mounting rack, and mounting rack axis connects on bracket；Mounting hole or sliding slot are formed on mounting rack, spring case passes through mounting hole or sliding slot is connect with tested conducting block.The utility model structure is simple, easy to use, is provided with shield, considerably increases the safety of equipment, is additionally provided with spring case, realizes to the automatic tightening for being tested conducting block.

Description

The sliding block abrasion test platform of automatic impaction

Technical field

The utility model relates to a kind of sliding block abrasion test platforms of automatic impaction, 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 The detection of block abrasion do not accomplish safe enough, environmental protection and and in wear process with slider wear, it is continuous to wear efficiency It reduces, therefore not accurate enough to the precision of wear intensity.

Utility model content

The utility model overcomes the shortcomings of the prior art, and the utility model discloses a kind of sliding block of automatic impaction mills Consume testing stand.The utility model structure is simple, easy to use, is provided with shield, considerably increases the safety of equipment, also sets It is equipped with spring case, is realized to the automatic tightening for being tested conducting 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 of automatic impaction, the turntable including insulation and the tested conduction with turntable cooperation Block；The turntable is connected with driving mechanism；The tested conducting block is mounted on mounting rack, and mounting rack axis connects on bracket； Spring case is installed, spring case is connected with tested conducting block on mounting rack.

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.

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, the driving mechanism is motor, and motor is mounted on motor mount, bracket and motor installation On the base, motor connects turntable by shaft joint for seat installation.

Detailed description of the invention

Fig. 1 is schematic perspective view one of the invention；

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 schematic perspective view two of the invention.

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；Compressed spring 27.

Specific embodiment

1) the sliding block abrasion test platform of automatic impaction mainly by turntable, driving mechanism, high-voltage generator, insulating mechanism, The part such as safety device, liquid distribution, electrical control forms.Material to be tested is installed to testing stand, is tried by operation Experiment device may be implemented under the conditions of high low pressure, carry 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 control wear the starting of turntable, stopping, Crawl, 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.

Specifically, the utility model structure is as follows:

A kind of sliding block abrasion test platform, the turntable 5 including insulation and the tested conducting block 8 with the cooperation of turntable 5；Turntable 5 Upper insulating regions 51 and the conductive region 52 cooperated with tested conducting block 8；Cooperate tested conducting block 8 that liquid distribution is installed 9, liquid distribution 9 is communicated with water supplying pipe 10；The turntable 5 is connected with driving mechanism.Driving mechanism is motor 3, and motor 3 is installed On motor mount 2, motor mount 2 is mounted on pedestal 1, and bracket 6 is also equipped on pedestal 1, and motor 3 passes through shaft joint 4 connection turntables 5；Mounting rack 7 is connected on bracket 6；Liquid distribution 9 is mounted on pedestal 1.Conductive region 52 is to be fixed on turntable Conductive plate on 5.It is formed with mounting hole or sliding slot 26 on mounting rack 7, spring case 11, bullet are installed on mounting hole or sliding slot 26 Spring box 11 is connected with tested conducting block 8 and connects.Spring case 11 includes shell 13, is threaded with adjusting spiral shell on the left of shell 13 Bolt 14, right side pass through tested conducting block 8；Shell 13 is top formed sliding slot 15, and sliding slot 15, which passes through, to be had and be tested Try the connected guide frame 16 of conducting block 8；It adjusts and compressed spring 27 is installed between bolt 14 and tested conducting block 8.Guiding Structure 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 groove Hole 15 is threadedly coupled with tested conducting block 8.Shell 13 includes nylon sheet 17, and welding box 18 and spring are fixed in nylon sheet 17 Position-limiting drum 19, spring retainer cylinder 19 are in welding box 18, and compressed spring 27 is in spring retainer cylinder 19；It welds solid on box 18 Surely there is the conducting block 28 that setting is closed on tested conducting block 8.It is covered with insulation protective hood 20 outside turntable 5 and mounting rack 7, it is described Insulation protective hood 20 is transparent PVC plate.Passing through on insulation protective hood 20 has Universal pipe 22, and Universal pipe 22 is connected to water supplying pipe 10, Shut-off valve 24 is installed on water supplying pipe 10；The liquid distribution 9 is water tank 25, and water tank 25 is communicated with water pump 12；Insulation protective hood Filter screen 23 is installed on the pedestal 1 of 20 lower sections, 1 inner hollow of pedestal is simultaneously connected to water pump 12.Mounting rack 7 passes through middle idle running Axis 21 connects with 6 axis of bracket, and several through-holes are formed on hollow axle 21, and water supplying pipe 10 is connected to hollow axle 21.

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 (6)

1. a kind of sliding block abrasion test platform of automatic impaction, which is characterized in that turntable (5) including insulation and match with turntable (5) The tested conducting block (8) closed；The turntable (5) is connected with driving mechanism；The tested conducting block (8) is mounted on mounting rack (7) on, mounting rack (7) axis is connect on bracket (6)；It is equipped on mounting rack (7) spring case (11), spring case (11) and tested Conducting block (8) is connected.

2. the sliding block abrasion test platform of automatic impaction as described in claim 1, which is characterized in that the spring case (11) includes Shell (13), shell (13) left side, which is threaded with, adjusts bolt (14), and right side passes through tested conducting block (8)；Shell (13) Top formed to have sliding slot (15), sliding slot (15), which passes through, the guide frame (16) being connected with tested conducting block (8)； It adjusts and compressed spring (27) is installed between bolt (14) and tested conducting block (8).

3. the sliding block abrasion test platform of automatic impaction as claimed in claim 2, which is characterized in that the guide frame (16) is Guide blot, guide blot pass through sliding slot (15) and are threadedly coupled with tested conducting block (8).

4. the sliding block abrasion test platform of automatic impaction as claimed in claim 2, which is characterized in that the shell (13) includes Buddhist nun Imperial plate (17) is fixed with welding box (18) and spring retainer cylinder (19) in nylon sheet (17), and spring retainer cylinder (19), which is in, to be welded In box (18), compressed spring (27) is in spring retainer cylinder (19)；It is fixed with and tested conducting block (8) in welding box (18) Close on the conducting block (28) of setting.

5. the sliding block abrasion test platform of automatic impaction as described in claim 1, which is characterized in that the turntable (5) and installation It is covered with insulation protective hood (20) outside frame (7), the insulation protective hood (20) is transparent PVC plate.

6. the sliding block abrasion test platform of automatic impaction as described in claim 1, which is characterized in that the driving mechanism is motor (3), motor (3) is mounted on motor mount (2), and bracket (6) and motor mount (2) are mounted on pedestal (1), motor (3) pass through shaft joint (4) connection turntable (5).