CN107128835B - High-precision rail ultrahigh simulation test system - Google Patents
High-precision rail ultrahigh simulation test system Download PDFInfo
- Publication number
- CN107128835B CN107128835B CN201710367447.6A CN201710367447A CN107128835B CN 107128835 B CN107128835 B CN 107128835B CN 201710367447 A CN201710367447 A CN 201710367447A CN 107128835 B CN107128835 B CN 107128835B
- Authority
- CN
- China
- Prior art keywords
- ranging sensor
- control valve
- infrared ranging
- track
- cross beam
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 17
- 238000004088 simulation Methods 0.000 title claims abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000002457 bidirectional effect Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
Abstract
The high-precision rail ultrahigh simulation test system comprises a hydraulic control system and a mechanical execution system, wherein the hydraulic control system comprises an oil tank, a motor, a flow control valve, a manual direction control valve, an overflow valve and a direction interlocking check valve, the oil tank is connected with the motor, the motor is connected with the flow control valve, the flow control valve is connected with the manual direction control valve, the manual direction control valve is connected with the overflow valve, the overflow valve is connected with a group of parallel direction interlocking check valves, and each direction interlocking check valve is respectively connected with a hydraulic arm; the mechanical execution system comprises an infrared ranging sensor, a track, a cross beam and a support, wherein the cross beam is arranged on the support, the track is arranged on the cross beam, the infrared ranging sensor comprises a car body infrared ranging sensor and a track infrared ranging sensor, the car body infrared ranging sensor is arranged at the right lower corner of the car body, and the track infrared ranging sensor is arranged at the right lower corner of the cross beam. Compared with the prior art, the invention has the beneficial effects that: simple structure, easy installation, convenient operation, measurement accuracy is high, can realize that track gauge, wheelbase, distance are changeable, and uses manpower sparingly and effectively eliminates the potential safety hazard.
Description
Technical Field
The invention relates to a simulated track ultrahigh test system in the static test process of a flexible coefficient, a wheel load shedding rate and an equilibrium test in the field of railway vehicle dynamics.
Background
After the design of the railway vehicle is finished, the flexible coefficient, the wheel load shedding rate and the balanced static test type test are required to be carried out, the existing test method is to simulate the rail super height by means of a weighing test bed, the shaft end is jacked by a jack, and a cushion block with a certain height is placed between wheel tracks to simulate working conditions such as the corresponding rail super height. This method requires a lot of manpower; the rail lifting precision is insufficient, the rail must exceed the target lifting height and fall back again, and the influence on the test result is large; the lifting speeds of the several shaft-end jacks cannot be ensured to be consistent; in the test process, the hidden danger of vehicle overturning and jack sliding exists.
Disclosure of Invention
The invention aims to solve the technical problem of providing a high-precision rail ultrahigh simulation test system, which is used for measuring the lifting height of a rail and the lifting height of a vehicle body by lifting a hydraulic control rail and the vehicle together so as to calculate the flexibility coefficient of the vehicle, and a load sensor is arranged in a wheel position to test the wheel weight load shedding rate.
In order to solve the technical problems, the invention provides a high-precision rail ultrahigh simulation test system, which is characterized in that: the hydraulic control system comprises an oil tank, a motor, a flow control valve, a manual direction control valve, an overflow valve and a direction interlocking check valve, wherein the oil tank is connected with the motor, the motor is connected with the flow control valve, the flow control valve is connected with the manual direction control valve, the manual direction control valve is connected with the overflow valve, the overflow valve is connected with a group of parallel direction interlocking check valves, and each direction interlocking check valve is respectively connected with a hydraulic arm; the mechanical execution system comprises an infrared ranging sensor, a track, a cross beam and a support, wherein the cross beam is arranged on the support, the track is arranged on the cross beam, the infrared ranging sensor comprises a car body infrared ranging sensor and a track infrared ranging sensor, the car body infrared ranging sensor is arranged at the right lower corner of the car body, and the track infrared ranging sensor is arranged at the right lower corner of the cross beam.
In order to eliminate the hidden danger of the overturning of the car body in the lifting process, safety rings are symmetrically arranged at the bottom of the car body, one end of a safety chain is arranged in the safety rings, the other end of the safety chain is fixed on the ground, a bogie safety belt is sleeved at the lifting ends of four shafts of the bogie, and the safety belt penetrates through the rings at the bottom surface of the cross beam to be locked.
Compared with the prior art, the invention has the beneficial effects that: simple structure, easy installation, convenient operation, measurement accuracy is high, can realize that track gauge, wheelbase, distance are changeable, and uses manpower sparingly and effectively eliminates the potential safety hazard.
Drawings
FIG. 1 is a hydraulic schematic of the present invention;
FIG. 2 is a front view of an embodiment of the present invention;
fig. 3 is a side view of fig. 2.
Detailed Description
Referring to fig. 1, 2 and 3, the specific embodiment of the invention comprises a hydraulic control system and a mechanical execution system, wherein the hydraulic control system comprises an oil tank 1, a bidirectional hydraulic motor 2, a flow control valve 3, a manual direction control valve 4, an overflow valve 5, a pressure gauge 6 and a direction interlocking check valve 7, the oil tank is connected with the bidirectional hydraulic motor, so that torque can be output in two directions at any time, the bidirectional hydraulic motor is connected with the flow control valve to control lifting speed, the flow control valve is connected with the manual direction control valve to manually control lifting and falling back, the manual direction control valve is connected with the overflow valve, safety and overpressure protection are realized, the pressure gauge monitors pressure change, the overflow valve is connected with a group of parallel direction interlocking check valves to ensure that only one direction acts at one moment, and each direction interlocking check valve is respectively connected with a hydraulic arm 12 to execute lifting and falling back; the mechanical execution system comprises an infrared ranging sensor, rails 14, 15, a beam and 16, wherein the beam is arranged on the support, the rail is arranged on the beam, the infrared ranging sensor comprises a car body infrared ranging sensor 10 and a rail infrared ranging sensor 11, the car body infrared ranging sensor is arranged at the right lower corner of a car body 8, the rail infrared ranging sensor is arranged at the right lower corner of the beam, and the rail and bogie are integrated.
In order to eliminate the hidden danger of the vehicle body overturning in the lifting process, safety rings 17 are symmetrically arranged at the bottom of the vehicle body, one end of a safety chain 18 is arranged in the safety rings for fixation, the other end of the safety chain is fixed on the ground, a bogie safety belt 21 is sleeved at the lifting ends of four shafts 22 of a bogie 13, the safety rings penetrate through the rings on the bottom surface of a cross beam for locking, and the tightness of the safety chain determines the safety allowance according to the lifting height.
During testing, the lifting and falling of the hydraulic arm are controlled through the bidirectional hydraulic motor and the manual direction control valve. When lifting, the hydraulic arm stretches out, the track foundation and the cross beam and the support below the track foundation rotate together around the fixed pivot 20 radian, the car body and the bogie are also lifted together in the rotating process, the heights of the car body and the bogie lifting are different due to the existence of the flexible coefficient, and the lifting heights are obtained through measurement of infrared ranging sensors arranged on the car body and below the cross beam respectively. The gauge adjustment is solved by means of the mounting of the rail to the foundation 19 and the foundation arrangement is solved by means of cross mounting grooves.
Claims (2)
1. The utility model provides a high accuracy track superelevation simulation test system which characterized in that: the hydraulic control system comprises an oil tank, a motor, a flow control valve, a manual direction control valve, an overflow valve and a direction interlocking check valve, wherein the oil tank is connected with the motor, the motor is connected with the flow control valve, the flow control valve is connected with the manual direction control valve, the manual direction control valve is connected with the overflow valve, the overflow valve is connected with a group of parallel direction interlocking check valves, each direction interlocking check valve is respectively connected with a hydraulic arm, when the hydraulic arm is lifted, the hydraulic arm stretches out, and a rail foundation and a beam and a support below the hydraulic arm rotate together around a fixed fulcrum radian; the mechanical execution system comprises an infrared ranging sensor, a track, a cross beam and a support, wherein the cross beam is arranged on the support, the track is arranged on the cross beam, the infrared ranging sensor comprises a car body infrared ranging sensor and a track infrared ranging sensor, the car body infrared ranging sensor is arranged at the right lower corner of the car body, and the track infrared ranging sensor is arranged at the right lower corner of the cross beam.
2. The high-precision rail ultra-high simulation test system according to claim 1, wherein: the safety rings are symmetrically arranged at the bottom of the car body, one end of the safety chain is fixed in the safety rings, the other end of the safety chain is fixed on the ground, the bogie safety belt is sleeved at the lifting ends of the four shafts of the bogie, and the safety chain penetrates through the rings at the bottom of the cross beam to be locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710367447.6A CN107128835B (en) | 2017-05-23 | 2017-05-23 | High-precision rail ultrahigh simulation test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710367447.6A CN107128835B (en) | 2017-05-23 | 2017-05-23 | High-precision rail ultrahigh simulation test system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107128835A CN107128835A (en) | 2017-09-05 |
| CN107128835B true CN107128835B (en) | 2024-02-20 |
Family
ID=59732634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710367447.6A Active CN107128835B (en) | 2017-05-23 | 2017-05-23 | High-precision rail ultrahigh simulation test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107128835B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997036774A1 (en) * | 1996-03-29 | 1997-10-09 | Siemens Aktiengesellschaft | Process for regulating the earth-related inclination of the body of a railway vehicle |
| CN102359885A (en) * | 2011-08-29 | 2012-02-22 | 南车南京浦镇车辆有限公司 | Fixture for testing flexibility coefficient of rail vehicle |
| CN102359884A (en) * | 2011-08-29 | 2012-02-22 | 南车南京浦镇车辆有限公司 | Method for testing compliance coefficients of railway vehicles |
| CN102481941A (en) * | 2009-09-15 | 2012-05-30 | 奥地利西门子公司 | Rocking compensation system for rail vehicles |
| CN202836993U (en) * | 2012-09-18 | 2013-03-27 | 吉林大学 | Testing stand for measuring truck parameters of gantry framework type railway vehicle |
| CN105372081A (en) * | 2015-09-29 | 2016-03-02 | 南车南京浦镇车辆有限公司 | A method for measuring wheel load data of a railway vehicle under different track twisting conditions |
| CN106050765A (en) * | 2016-06-24 | 2016-10-26 | 浙江利勃海尔中车交通系统有限公司 | Integrated hydraulic control system with safety protection modes additionally set in pendulum type train |
| CN207002125U (en) * | 2017-05-23 | 2018-02-13 | 中车长春轨道客车股份有限公司 | A kind of high-precision orbital superelevation simulated testing system |
-
2017
- 2017-05-23 CN CN201710367447.6A patent/CN107128835B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997036774A1 (en) * | 1996-03-29 | 1997-10-09 | Siemens Aktiengesellschaft | Process for regulating the earth-related inclination of the body of a railway vehicle |
| CN102481941A (en) * | 2009-09-15 | 2012-05-30 | 奥地利西门子公司 | Rocking compensation system for rail vehicles |
| CN102359885A (en) * | 2011-08-29 | 2012-02-22 | 南车南京浦镇车辆有限公司 | Fixture for testing flexibility coefficient of rail vehicle |
| CN102359884A (en) * | 2011-08-29 | 2012-02-22 | 南车南京浦镇车辆有限公司 | Method for testing compliance coefficients of railway vehicles |
| CN202836993U (en) * | 2012-09-18 | 2013-03-27 | 吉林大学 | Testing stand for measuring truck parameters of gantry framework type railway vehicle |
| CN105372081A (en) * | 2015-09-29 | 2016-03-02 | 南车南京浦镇车辆有限公司 | A method for measuring wheel load data of a railway vehicle under different track twisting conditions |
| CN106050765A (en) * | 2016-06-24 | 2016-10-26 | 浙江利勃海尔中车交通系统有限公司 | Integrated hydraulic control system with safety protection modes additionally set in pendulum type train |
| CN207002125U (en) * | 2017-05-23 | 2018-02-13 | 中车长春轨道客车股份有限公司 | A kind of high-precision orbital superelevation simulated testing system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107128835A (en) | 2017-09-05 |
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