CN201438145U - Test bed for antiskid device - Google Patents
Test bed for antiskid device Download PDFInfo
- Publication number
- CN201438145U CN201438145U CN2009201097884U CN200920109788U CN201438145U CN 201438145 U CN201438145 U CN 201438145U CN 2009201097884 U CN2009201097884 U CN 2009201097884U CN 200920109788 U CN200920109788 U CN 200920109788U CN 201438145 U CN201438145 U CN 201438145U
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- CN
- China
- Prior art keywords
- skid device
- testing table
- speed
- antiskid valve
- main frame
- 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.)
- Expired - Lifetime
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Abstract
The utility model provides a test bed for an antiskid device comprising a main bed and an auxiliary bed which are arranged adjacent to one another and are electrically communicated. The main bed is provided with a PLC (programmable logic controller) and a pneumatic device; the auxiliary bed is provided with an industrial computer and a control box; the PLC and the control box are respectively electrically connected with the industrial computer; the auxiliary bed is provided with a speed sensor detector which comprises a servo motor; the servo motor drives a speed-measuring gear; a fixed ring is arranged around the rim of the speed-measuring gear and is provided with four through holes penetrating inside and outside which are respectively used for clamping speed sensors; and the speed sensors are respectively communicated with data acquisition cards in the control box. The test bed for the antiskid device only utilizes one servo motor and one speed-measuring gear for simulating the glide mode in train braking, therefore the measuring accuracy of the test bed is improved, the volume of the test bed is reduced, and the cost is lowered.
Description
Technical field
The utility model is the specialized equipment that is used to detect rolling stock antiskid system performance about a kind of, relates in particular to a kind of TFX type anti-skid device testing table.
Background technology
The anti-skid device testing table is the specialized equipment that is used for checking anti-skid device complete machine performance and component capabilities thereof, it is applicable to detects the various anti-skid device that the present rail truck of China uses, it both can detect the complete machine performance of anti-skid device, also can detect the performance of anti-skid device main frame, antiskid valve, speed pickup, pressure switch.
But in use there is following defective in existing anti-skid device testing table:
1. the device 9 of detection speed sensor is generally taked multi-axes simulation (as shown in Figure 6) on the existing anti-skid device testing table, promptly control four servomotors respectively to simulate the rotation of four axletrees by microcomputer, and drive four gears 91, each gear mesh should detect a speed pickup 92, in the antiskid system test, produce velocity contrast or retarded velocity, simulation train sliding state.In this frame mode, four servomotors are difficult to fully synchronously, and four asynchronous meeting causes the action of anti-skid device main frame, thereby interfere with the test of anti-skid device main frame.And this composition structure is poor to the control accuracy of interaxle speed difference, and the velocity error that checkout equipment produces directly influence is difficult to correctly judge the performance quality of anti-skid device thus to the accuracy of anti-skid device detection; In addition, because this structure adopted quadruplet motor and four measure speed gearses, therefore, cause testing table to have that volume is big, cost is high, the defective of maintenance difficult.
2. a cover anti-skid device main frame comprises four antiskid valve, when detecting antiskid valve, this antiskid valve clamp the whether convenient, fast detection efficiency that directly has influence on.Existing testing table because in existing testing table, antiskid valve is placed on the surface level, needs operator hand steered location when therefore clamping for clamping of the antiskid valve gas cards that adopt more, can occur crushing the situation of operating personnel's finger because of carelessness; And, since antiskid valve clamp position different with the installation site on the actual vehicle (on actual vehicle, antiskid valve is to be installed on the vertical plane), therefore, existing testing table is the situation on the simulates real real vehicle well, has reduced the accuracy of detection.
Thus, the inventor relies on relevant design and manufacturing experience for many years, proposes a kind of anti-skid device testing table, to overcome the defective of existing structure.
The utility model content
The purpose of this utility model is to provide a kind of anti-skid device testing table, and this test platform structure is simple, volume is little, cost is low, be convenient to maintenance, and can make detection accurately to anti-skid device host performance and speed pickup.
Another purpose of the present utility model is to provide a kind of anti-skid device testing table, and this testing table can be simulated the clamp state of antiskid valve on actual vehicle, and can improve the accuracy that antiskid valve detects.
The purpose of this utility model is achieved in that a kind of anti-skid device testing table, and this testing table is made up of the main platform and the substage of adjacent setting and electrical communication; Described main platform is provided with Programmable Logic Controller and pneumatic means, and substage is provided with industrial computer and control box, and described Programmable Logic Controller and control box are electrically connected with industrial computer respectively; On substage, be provided with a speed pickup pick-up unit, this speed pickup pick-up unit comprises a servomotor, this servomotor drives a measure speed gears, wheel rim around described measure speed gears is provided with a set collar, described set collar is provided with in four the through hole that card is established speed pickup that is respectively applied for that the outside connects, and described each speed pickup is communicated with data collecting card in the control box respectively.
In a better embodiment of the present utility model, the end face of described set collar be provided with four respectively with the threaded hole of described through hole conducting, be provided with the locking part of energy fixed speed sensor position in respective through hole in each threaded hole.
In a better embodiment of the present utility model, the distance of wheel rim that is fastened on its end of speed pickup in the described through hole and measure speed gears is between 0.5～2mm.
In a better embodiment of the present utility model, also be provided with the anti-skid device main frame on the described substage, this anti-skid device main frame is electrically connected with industrial computer.
In a better embodiment of the present utility model, on main platform, be provided with an antiskid valve pick-up unit at least, this antiskid valve pick-up unit comprises the installing plate of vertically being located at main platform front, the positive horizontal interval of this installing plate is provided with two first register pins, at the first register pin side and be higher than described first register pin and be provided with one second register pin, be respectively equipped with an air-actuated jaw in described three register pin both sides; Also be provided with two open-works with the corresponding setting of vent port of antiskid valve on the described installing plate, the checking cylinder conducting in described two open-works and the described pneumatic means.
In a better embodiment of the present utility model, described air-actuated jaw comprises clamping plate, and this clamping plate one end is connected with installing plate by a guide pillar; This guide pillar one side is provided with an expansion link of fixedlying connected with these clamping plate, and this expansion link runs through this installing plate and is connected with the clamping cylinder of installing plate back side setting.
In a better embodiment of the present utility model, four antiskid valve pick-up units are set on main platform.
In a better embodiment of the present utility model, also be provided with the anti-skid device main frame on the described substage, this anti-skid device main frame is electrically connected with industrial computer; The described antiskid valve that is folded on the antiskid valve pick-up unit is electrically connected with this anti-skid device main frame.
Owing in anti-skid device testing table of the present utility model, only utilize a servomotor and a measure speed gears, the sliding state in the time of just can simulating train braking.Therefore, solved in the prior art owing to adopting four asynchronous equipment errors that cause of motor, when not needing velocity contrast, can accomplish the strict synchronism of four tunnel speed at an easy rate, and when needs produce velocity contrast and retarded velocity, four tunnel speed can be passed through control box, with the accurate as requested reduction of speed in a certain road or a few road, the speed that will handle then input anti-skid device main frame makes the anti-skid device main frame produce corresponding output by industrial computer control.Anti-skid device testing table of the present utility model, accurately given speed difference and retarded velocity, thus improved the measuring accuracy of testing table; Owing to adopt the structure of a servomotor and a measure speed gears, reduce the volume of testing table greatly simultaneously, reduced cost.
Description of drawings
The following drawings only is intended to the utility model done and schematically illustrates and explain, does not limit scope of the present utility model.Wherein,
Fig. 1: be anti-skid device testing table contour structures synoptic diagram of the present utility model.
Fig. 2: be the structural representation of the utility model medium velocity sensor detecting device.
Fig. 3: be the structural representation one of antiskid valve pick-up unit in the utility model.
Fig. 4: be the structural representation two of antiskid valve pick-up unit in the utility model.
Fig. 5: be the structural representation three of antiskid valve pick-up unit in the utility model.
Fig. 6: be the structural representation of prior art medium velocity sensor detecting device.
Embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast description of drawings embodiment of the present utility model.
As shown in Figure 1, a kind of anti-skid device testing table of the present utility model, this testing table is made up of the main platform 1 and the substage 2 of adjacent setting and electrical communication; Described main platform 1 is provided with Programmable Logic Controller and pneumatic means, to finish the gas circuit simulation and the detection of antiskid valve; Substage 2 is provided with industrial computer, control box, and described Programmable Logic Controller and control box are electrically connected with industrial computer respectively, and described industrial computer is the core of testing table electric control system, mainly comprises data collecting card, change-over circuit and power supply in the control box; Industrial computer can be gathered and control the input and output signal of anti-skid device main frame by control box, reaches the purpose that detects the anti-skid device complete machine.The structure of control sections such as aforementioned industrial computer, control box, Programmable Logic Controller is a prior art, does not repeat them here; As shown in Figure 1, on substage 2, be provided with a speed pickup pick-up unit 3, this speed pickup pick-up unit 3 comprises a servomotor (not shown), this servomotor drives a measure speed gears 31 (as shown in Figure 2), wheel rim around described measure speed gears 31 is provided with a set collar 32, described set collar 32 is provided with the through hole 321 that card is established speed pickup 33 that is respectively applied for that the outside connects in four, and described each speed pickup 33 is communicated with data collecting card respectively.In the present embodiment, during detection speed sensor 33, industrial computer control servomotor rotates, and the rate signal that speed pickup 33 collects through importing industrial computer after the control box adjustment, compares with the rated rotational frequency signal, draws testing result.
In the present embodiment, the end face of described set collar 32 be provided with four respectively with the threaded hole (not shown) of described through hole 321 conductings, be provided with the locking part of energy fixed speed sensor 33 position in respective through hole in each threaded hole.When speed pickup 33 1 ends stretch in the corresponding through hole 321, and the wheel rim of speed pickup 33 ends and measure speed gears 31 can be fixed on speed pickup 33 on the described set collar 32 by tightening this locking part when reaching certain distance.
In the present embodiment, be fastened on speed pickup 33 its ends in the described through hole 321 and measure speed gears 31 wheel rim apart from d between 0.5～2mm.
As shown in Figure 1, in the present embodiment, also be provided with anti-skid device main frame 4 on the described substage 2, this anti-skid device main frame 4 is electrically connected with industrial computer.
Owing in anti-skid device testing table of the present utility model, only utilize a servomotor and a measure speed gears 31, the sliding state in the time of just can simulating train braking.Therefore, solved in the prior art owing to adopting four asynchronous equipment errors that cause of motor, when not needing velocity contrast, can accomplish the strict synchronism of four tunnel speed at an easy rate, and when needs produce velocity contrast and retarded velocity, four tunnel speed can be passed through control box, with the accurate as requested reduction of speed in a certain road or a few road, the speed that will handle then input anti-skid device main frame 4 makes anti-skid device main frame 4 produce corresponding output by industrial computer control.Anti-skid device testing table of the present utility model, accurately given speed difference and retarded velocity, thus improved the measuring accuracy of testing table; Owing to adopt the structure of a servomotor and a measure speed gears, reduce the volume of testing table greatly simultaneously, reduced cost.
The step that anti-skid device testing table of the present utility model detects the anti-skid device main frame is as follows: industrial computer control servomotor rotates according to certain speed, servomotor drives measure speed gears 31 simulation axletrees and rotates, along with the rotation of measure speed gears 31, four speed pickups 33 installing around the measure speed gears 31 produce identical rate signal simultaneously.Four road rate signals import anti-skid device main frame 4 into through control box after producing velocity contrast on request, after anti-skid device main frame 4 is received four road rate signals, export control signal according to corresponding criterion to antiskid valve; Testing table is gathered these signals, judges whether the non-skid property of anti-skid device main frame 4 is qualified.
After the measure speed gears 31 that four speed pickups 33 of anti-skid device drive from servomotor was adopted signal, testing table became square-wave signal after these signals are carried out shaping, amplification, Filtering Processing; Then this four road signal is carried out width modulation (PWM) respectively, utilize microcomputer that the dutycycle of each road pulse-width signal is carried out different control, reach the pulse number that changes in its unit interval, thereby reach the purpose that produces velocity contrast at this on the way.After anti-skid device main frame 4 detects velocity contrast, corresponding antiskid action takes place, testing table is judged the performance quality of anti-skid device main frame 4 according to the correctness of these actions.
Further, as shown in Figure 1, in the present embodiment, be provided with an antiskid valve pick-up unit 5 on the main platform 1 at least, in the present embodiment, four antiskid valve pick-up units 5 be set on main platform 1.In the present embodiment, described antiskid valve pick-up unit 5 adopts pneumatic control that antiskid valve is carried out clamping and positioning, it utilizes three register pins that antiskid valve is located, and utilize the filling of clamping cylinder, air draft control special mould clamp, manual buttons clamps antiskid valve, and when breaking wind, antiskid valve is in unclamped state, antiskid valve can be blocked safely and is placed on the air-actuated jaw, can not fall down.Clamping cylinder adopts piston type cylinder, comes switching gas circuit with a two-position four-way bidirectional electromagnetic valve.
As shown in Figure 3, this antiskid valve pick-up unit 5 comprises the installing plate 51 of vertically being located at main platform 1 front, these installing plate 51 positive horizontal intervals are provided with two first register pins 52, at first register pin, 52 sides and be higher than described first register pin and be provided with one second register pin 53, be respectively equipped with an air-actuated jaw 54 in described three register pin both sides; Also be provided with two open-works 55 of corresponding setting on the described installing plate 51, the checking cylinder (not shown) conducting in described two open-works 55 and the described pneumatic means with the vent port (not shown) of antiskid valve 6.
As shown in Figure 3, described air-actuated jaw 54 comprises clamping plate 541, and these clamping plate 541 1 ends are connected with installing plate 51 by a guide pillar 542; These guide pillar 542 1 sides are provided with an expansion link 543 of fixedlying connected with these clamping plate 541, and this expansion link 543 runs through this installing plate 51 and is connected with the clamping cylinder (not shown) of installing plate 51 back sides setting.
As Fig. 4, shown in Figure 5, bottom surface with antiskid valve 6 during use abuts on the installing plate 51, one side of antiskid valve 6 is by first register pin 52 and second register pin, 53 location, two side flanges 61 of antiskid valve 6 are positioned at described clamping plate 541 times just, press and clamp button 56, clamping cylinder inflation work, expansion link 543 is two side flanges 61 of pulling clamping plate 541 clamping antiskid valve 6 inwardly, and antiskid valve 6 is stably fixed on the installing plate 51; Press exit button 57, the clamping cylinder exhaust, expansion link 543 is protruding under the effect of spring (not shown), and antiskid valve 6 is released (still, this moment, antiskid valve 6 can not drop owing to the effect of three register pins).In the present embodiment, the described antiskid valve 6 that is folded on the antiskid valve pick-up unit 5 is electrically connected with this anti-skid device main frame 4, by anti-skid device main frame 4 control antiskid valve 6 fill, the exhaust action, with the checking cylinder action in the control pneumatic means, detect the braking ability of antiskid valve 6 thus.
Antiskid valve pick-up unit 5 can be simulated the clamp state of antiskid valve 6 on actual vehicle, can improve the accuracy that antiskid valve detects.Because antiskid valve pick-up unit 5 adopts three register pins that antiskid valve 6 is positioned, can solve prior art needs the hand steered location defect of operator when clamping, and avoids occurring crushing the situation generation of operating personnel's finger.
The above only is the schematic embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.
Claims (8)
1. anti-skid device testing table, this testing table is made up of the main platform and the substage of adjacent setting and electrical communication; Described main platform is provided with Programmable Logic Controller and pneumatic means, and substage is provided with industrial computer and control box, and described Programmable Logic Controller and control box are electrically connected with industrial computer respectively; It is characterized in that: on substage, be provided with a speed pickup pick-up unit, this speed pickup pick-up unit comprises a servomotor, this servomotor drives a measure speed gears, wheel rim around described measure speed gears is provided with a set collar, described set collar is provided with in four the through hole that card is established speed pickup that is respectively applied for that the outside connects, and described each speed pickup is communicated with data collecting card in the control box respectively.
2. anti-skid device testing table as claimed in claim 1 is characterized in that: the end face of described set collar be provided with four respectively with the threaded hole of described through hole conducting, be provided with the locking part of energy fixed speed sensor position in respective through hole in each threaded hole.
3. anti-skid device testing table as claimed in claim 2 is characterized in that: the distance of wheel rim that is fastened on its end of speed pickup in the described through hole and measure speed gears is between 0.5～2mm.
4. anti-skid device testing table as claimed in claim 1 is characterized in that: also be provided with the anti-skid device main frame on the described substage, this anti-skid device main frame is electrically connected with industrial computer.
5. anti-skid device testing table as claimed in claim 1, it is characterized in that: on main platform, be provided with an antiskid valve pick-up unit at least, this antiskid valve pick-up unit comprises the installing plate of vertically being located at main platform front, the positive horizontal interval of this installing plate is provided with two first register pins, at the first register pin side and be higher than described first register pin and be provided with one second register pin, be respectively equipped with an air-actuated jaw in described three register pin both sides; Also be provided with two open-works with the corresponding setting of vent port of antiskid valve on the described installing plate, the checking cylinder conducting in described two open-works and the described pneumatic means.
6. anti-skid device testing table as claimed in claim 5 is characterized in that: described air-actuated jaw comprises clamping plate, and this clamping plate one end is connected with installing plate by a guide pillar; This guide pillar one side is provided with an expansion link of fixedlying connected with these clamping plate, and this expansion link runs through this installing plate and is connected with the clamping cylinder of installing plate back side setting.
7. anti-skid device testing table as claimed in claim 5 is characterized in that: four antiskid valve pick-up units are set on main platform.
8. anti-skid device testing table as claimed in claim 5 is characterized in that: also be provided with the anti-skid device main frame on the described substage, this anti-skid device main frame is electrically connected with industrial computer; The described antiskid valve that is folded on the antiskid valve pick-up unit is electrically connected with this anti-skid device main frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201097884U CN201438145U (en) | 2009-07-02 | 2009-07-02 | Test bed for antiskid device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201097884U CN201438145U (en) | 2009-07-02 | 2009-07-02 | Test bed for antiskid device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201438145U true CN201438145U (en) | 2010-04-14 |
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ID=42400119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201097884U Expired - Lifetime CN201438145U (en) | 2009-07-02 | 2009-07-02 | Test bed for antiskid device |
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| Country | Link |
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| CN (1) | CN201438145U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508237A (en) * | 2018-04-11 | 2018-09-07 | 航天科技控股集团股份有限公司 | Detection device that is a kind of while detecting multiple vehicle speed sensor |
| CN110471314A (en) * | 2019-08-29 | 2019-11-19 | 同济大学 | A kind of train microcomputer type anti-skid device hardware in the loop test-rig frame and test method |
-
2009
- 2009-07-02 CN CN2009201097884U patent/CN201438145U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508237A (en) * | 2018-04-11 | 2018-09-07 | 航天科技控股集团股份有限公司 | Detection device that is a kind of while detecting multiple vehicle speed sensor |
| CN110471314A (en) * | 2019-08-29 | 2019-11-19 | 同济大学 | A kind of train microcomputer type anti-skid device hardware in the loop test-rig frame and test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100414 |
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| CX01 | Expiry of patent term |