CN201548359U - Intelligent pint switch trailable force testboard - Google Patents
Intelligent pint switch trailable force testboard Download PDFInfo
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- CN201548359U CN201548359U CN200920250565XU CN200920250565U CN201548359U CN 201548359 U CN201548359 U CN 201548359U CN 200920250565X U CN200920250565X U CN 200920250565XU CN 200920250565 U CN200920250565 U CN 200920250565U CN 201548359 U CN201548359 U CN 201548359U
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Abstract
The utility model relates to the field of railway traffic signal, in particular to an intelligent test device for railway switch pint switch trailable force, which comprises a main machine, a hydraulic system and a control system. The utility model highlights the international advanced electro-hydraulic servo test machine technology during the development process, adopts good human-compute interface control, realizes the analysis and study of real time data during the test process, and also has the characteristics of convenient use, high test precision, good reliability, high automaticity, high stability of the system and the like; and the whole performance of the test machine reaches domestic advanced level.
Description
Technical field
The utility model relates to railway traffic signal field, particularly relates to the railway switch goat and squeezes the intelligent test equipment of power that takes off.
Background technology
Along with goat etc. being extensive use of of railway centralized interlocking station, the monitoring that relates to the crowded power of the taking off technical indicator of device security performance seems even more important.Problems such as it is single that present way trouble goat performance test apparatus all exists performance, and test procedure complexity, precision are not high, the goat of being badly in need of a kind of multifunctional intelligent squeezes and takes off the power testing apparatus, satisfies growing goat performance test needs.
The utility model content
The purpose of this utility model, be for overcome existing goat testing apparatus on function and precision deficiency and develop, according to technical standards such as " TB/T2613-2005 goat test method ", " TB/T2614-94 goat general technical specifications ", and, be the special inspecting equipment of electric point machine pilot development specially in conjunction with goat actual service conditions and contemporary up-to-date experimental technique.
The utility model includes main frame, hydraulic system and control system three parts and forms;
Described main frame comprises: linear servo actuator, executor support and being connected attaches, displacement measurement mechanism, and above-mentioned ingredient is installed on the flat board;
Described linear servo actuator adopts symmetrical four-way servo-valve control, and in the time of in working order, the actuator piston rod promotes to change machine take-off lever motion often, and tested goat is applied test power, obtains various test datas;
Described executor support is fixedlyed connected with being connected to attach with the linear servo actuator, installs and support the linear servo actuator;
Described displacement measurement mechanism comprises 2 covers, and 1 cover is installed on the actuator, is connected with the actuator piston rod, is used to measure the displacement of actuator piston; Another set of installation and goat dissectible pin link, the displacement that is used to measure dissectible pin;
Described hydraulic system comprises fuel tank, motor pump, hydraulic control module, oil cooler and other hydraulic services, and described hydraulic system is connected with main frame, and outputting power is to main frame;
Described control system is provided with 1 control channel, comprises test power, displacement, three close loop control circuits of distortion, can carry out closed-loop control to input test power, input test displacement, the dissectible pin displacement of goat; Described control system also comprises servo valve drive unit, drives the four-way servo-valve of described linear servo actuator; And long-range hydraulic power unit control module, be connected to long-range hydraulic power unit and control.
Further, described executor support comprises after-poppet and hoisting bracket, is processed with mounting groove on the after-poppet vertical direction, and actuator can move in vertical direction, cooperates the dull and stereotyped T-slot of going up horizontal direction, and actuator is applicable to all size goat.
Further, described connection attaches and connects linear servo actuator and executor support, and wherein fore-stock adopts the connected mode of floating to be connected with actuator.
Further, described flat board is processed with T type groove, and tested goat is installed on the flat board by tommyhead bolt and rebound.
The utility model is outstanding international advanced electro-hydraulic servo testing machine technology in development, performance history, adopts good man computer interface control, realizes the analysis and research of process of the test real time data.Have simultaneously easy to use, the measuring accuracy height, the characteristics such as stable height of good reliability, automaticity height, system, the overall performance of testing machine has reached advanced international level.
Description of drawings
Fig. 1 is the control principle figure of the utility model system.
Fig. 2 is a main machine structure synoptic diagram of the present utility model.
Fig. 3 is the utility model hydraulic system structure synoptic diagram.
Fig. 4 is the utility model control system structural representation.
Embodiment
Be the control principle figure of system of the present utility model as shown in Figure 1.Tested preliminary operation often machine rigidly fixes an end that is installed in this test board, servo linear actuator is installed in the other end of test board by support, the take-off lever of machine is connected the piston rod of actuator with changeing often, during actuator work, piston rod promotes to change machine take-off lever motion often, inner each component movement of machine is often changeed in drive, thereby finishes entire test.Test power when actuator piston rod front end is equipped with load sensor and is used for surveying work, actuator is equipped with displacement transducer and is used for the surveying work displacement.Hydraulic system is for actuator provides power, and control system is used to control the work of actuator, and the various parameter acquisition aftertreatments when actuator worked, and forms various curves.Annex comprises the fluid pressure line that pumping plant links to each other with actuator etc.
Shown in Figure 2, it is that tested preliminary operation machine often is installed that the test board main frame mainly acts on, and machine carries out the work test to changeing often.Main frame by servo actuator, executor support and be connected attach, displacement measurement mechanism, other annexes form, above mechanism and test specimen are installed on the platform.Tested goat is installed on the flat board by tommyhead bolt and rebound, by changing the goat of transition flat board applicable to different model specifications.Characteristics such as main frame has installation, adjusts test specimen conveniently, and is simple to operate.
Servo linear actuator is the core component of test board, and test macro applies test power by actuator to goat, thereby obtains various test datas.Actuator has low resistance, high response, high life, the characteristics of big side force can be born in the gap greatly.Seal element all adopts German servo actuator specialized high-speed seal element.Nonmetal support, big gap design are adopted in the support of the actuator piston rod design that breaks traditions, and can effectively reduce the interior frictional resistance of actuator, make the actuator starting pressure less than 0.05MPa, and improve the serviceable life of test machine measuring accuracy and actuator.Servo linear actuator amplitude threshold Position Design hydraulic cushion district avoids moving generation damage out of control.The servo linear actuator design feature of the internationally famous dynamic testing machine of actuator reference company adopts symmetrical four-way servo-valve control symmetry actuator principle design.The servo linear actuator front-end configuration U.S. generation select Tianjin 50kN of company load sensor is used for test load to be measured, and external photoelectric encoder is used to test displacement measurement.
Executor support and connection attach and are used for installing and supporting actuator.Be divided into after-poppet and hoisting bracket two parts.Support all adopts welded-steel plate construction.Be processed with mounting groove on the after-poppet vertical direction, actuator can move in vertical direction, cooperates the dull and stereotyped T-slot of going up horizontal direction, and actuator is applicable to all size goat.Fore-stock adopts the connected mode of floating to be connected with actuator, can effectively prevent the influence that the actuator own wt produces test data, and unsteady connected mode also can be eliminated the influence that alignment error produces test data.
Three-dimensional no gap articular branches holder structure is adopted at linear servo actuator two ends, reduce to greatest extent from by of the damage of test specimen side force actuator, the articular branches holder structure adopts modular design, can carry out the front and back flange after the dismounting connects, can adjust after the wearing and tearing of bearing bearing clearance, joint, guarantee that test macro goes slick.
2 cover displacement measurement mechanisms are installed in respectively on actuator and the goat dissectible pin.Displacement transducer adopts the high precision photoelectric scrambler, has the precision height, and antijamming capability is strong, at an arbitrary position characteristics such as zero clearing.1 cover is installed on the actuator, is connected with the actuator piston rod, is used to measure the displacement of actuator piston; Another set of installation and goat dissectible pin link, the displacement that is used to measure dissectible pin.
The main effect of hydraulic system shown in Figure 3 is to provide power for host work.Mainly form by fuel tank, motor pump, hydraulic control module, oil cooler and other hydraulic services.
The pumping plant fuel tank adopts totally-enclosed design, can prevent effectively that introduced contaminants from entering the pollution of hydraulic system to hydraulic oil.The two resiliency supported modes of series connection are adopted in oil pump, group of motors configuration, further reduce the pumping plant noise.
The high-low pressure soft handover hydraulic module that hydraulic control module is made up of main surplus valve, accumulator, secondary main surplus valve, secondary surplus valve and reversal valve, precise oil filter is used to control the pumping plant output pressure.
The pumping plant hydraulic module can be set two-stage system pressure arbitrarily, has low voltage starting/shutdown, the function of high-pressure work, the impact that can effectively reduce pumping plant and start/when stopping system being caused.The module Hydraulic Elements all adopt prominent domestic company product, can effectively improve Hydraulic System Reliability.Servo-valve adopts the special-purpose high response servo-valve of import testing machine, and high stability and control accuracy are arranged.
Hydraulic system is equipped with the protection of oil temperature, liquid level protection, three kinds of safety guards of system pressure protection, automaticity height, the security that improves hydraulic system.Pumping plant is equipped with two electric contact temp controlled meters and is used for oil temperature (be lower than 10 ℃, be higher than 55 ℃) control; Level control relay is used for the control of pumping plant liquid level, and pumping plant has oil filter and stops up warning or parking function.Pumping plant is equipped with forced air cooler, can not rely on chilled water that hydraulic system is cooled off, and it is convenient to be suitable for.
The effect of Fig. 4 TT﹠C system is the control entire test, and the data processing of gathering in the process of the test is become various curves and test parameters.TT﹠C system is divided into control section and software two parts.
Control channel quantity: 1, comprise test power, displacement, three close loop control circuits of distortion, can carry out closed-loop control to input test power, input test displacement (speed), the dissectible pin displacement (distortion) of goat.Servo valve drive unit is used to drive servo-valve; Long-range hydraulic power unit control function is used for the Long-distance Control hydraulic power unit.Controller has absolute rating function is set, and has the complete protection function.Except that having overload (110%) protection, secondary overcurrent protection, also have the protection of load bound, displacement (speed) protection etc. are set arbitrarily.Control system has self-adaptation function stepping function, can carry out the self-adaptation stepping according to 1,2,5,10 attenuation multiples according to the numerical value of test parameters and show, can guarantee that test number gets accurately.
Claims (4)
1. an intelligent goat squeezes and takes off the power test board, includes main frame, hydraulic system and control system three parts and forms;
Described main frame comprises: linear servo actuator, executor support and being connected attaches, displacement measurement mechanism, and above-mentioned ingredient is installed on the flat board;
Described linear servo actuator adopts symmetrical four-way servo-valve control, and in the time of in working order, the actuator piston rod promotes to change machine take-off lever motion often, and tested goat is applied test power, obtains various test datas;
Described executor support is fixedlyed connected with being connected to attach with the linear servo actuator, installs and support the linear servo actuator;
Described displacement measurement mechanism comprises 2 covers, and 1 cover is installed on the actuator, is connected with the actuator piston rod, is used to measure the displacement of actuator piston; Another set of installation and goat dissectible pin link, the displacement that is used to measure dissectible pin;
Described hydraulic system comprises fuel tank, motor pump, hydraulic control module, oil cooler and other hydraulic services, and described hydraulic system is connected with main frame, and outputting power is to main frame;
Described control system is provided with 1 control channel, comprises test power, displacement, three close loop control circuits of distortion, can carry out closed-loop control to input test power, input test displacement, the dissectible pin displacement of goat; Described control system also comprises servo valve drive unit, drives the four-way servo-valve of described linear servo actuator; And long-range hydraulic power unit control module, be connected to long-range hydraulic power unit and control.
2. squeeze according to the described a kind of intelligent goat of claim 1 and take off the power test board, it is characterized in that: described executor support comprises after-poppet and hoisting bracket, be processed with mounting groove on the after-poppet vertical direction, actuator can move in vertical direction, cooperate the dull and stereotyped T-slot of going up horizontal direction, actuator is applicable to all size goat.
3. squeeze according to the described a kind of intelligent goat of claim 1 and take off the power test board, it is characterized in that: described connection attaches and connects linear servo actuator and executor support, and wherein fore-stock adopts the connected mode of floating to be connected with actuator.
4. squeeze according to the described a kind of intelligent goat of claim 1 and take off the power test board, it is characterized in that: described flat board is processed with T type groove, and tested goat is installed on the flat board by tommyhead bolt and rebound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920250565XU CN201548359U (en) | 2009-11-19 | 2009-11-19 | Intelligent pint switch trailable force testboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920250565XU CN201548359U (en) | 2009-11-19 | 2009-11-19 | Intelligent pint switch trailable force testboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201548359U true CN201548359U (en) | 2010-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920250565XU Expired - Lifetime CN201548359U (en) | 2009-11-19 | 2009-11-19 | Intelligent pint switch trailable force testboard |
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|---|---|
| CN (1) | CN201548359U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907287A (en) * | 2016-12-27 | 2018-04-13 | 西安铁路信号有限责任公司 | A kind of goat compound mechanics environmental reliability experimental provision and method |
| CN109632875A (en) * | 2018-12-29 | 2019-04-16 | 湖北航天技术研究院总体设计所 | The hot property pilot system and method for cover Aerodynamic Heating optical dome are thrown in a kind of simulation |
| CN111055882A (en) * | 2018-10-17 | 2020-04-24 | 西安铁路信号有限责任公司 | Switch machine and method based on linear motor variable frequency driving technology |
| CN113567158A (en) * | 2020-04-28 | 2021-10-29 | 西安铁路信号有限责任公司 | Multifunctional test board and method for point switch |
-
2009
- 2009-11-19 CN CN200920250565XU patent/CN201548359U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907287A (en) * | 2016-12-27 | 2018-04-13 | 西安铁路信号有限责任公司 | A kind of goat compound mechanics environmental reliability experimental provision and method |
| CN107907287B (en) * | 2016-12-27 | 2023-11-24 | 西安铁路信号有限责任公司 | Device and method for testing reliability of composite mechanical environment of railway point machine |
| CN111055882A (en) * | 2018-10-17 | 2020-04-24 | 西安铁路信号有限责任公司 | Switch machine and method based on linear motor variable frequency driving technology |
| CN109632875A (en) * | 2018-12-29 | 2019-04-16 | 湖北航天技术研究院总体设计所 | The hot property pilot system and method for cover Aerodynamic Heating optical dome are thrown in a kind of simulation |
| CN109632875B (en) * | 2018-12-29 | 2021-08-03 | 湖北航天技术研究院总体设计所 | Thermal performance test system and method for simulating throwing cover pneumatic heating optical head cover |
| CN113567158A (en) * | 2020-04-28 | 2021-10-29 | 西安铁路信号有限责任公司 | Multifunctional test board and method for point switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: TIANJIN RAILWAY SIGNAL CO., LTD. Free format text: FORMER NAME: TIANJIN RAILWAY SIGNAL FACTORY |
|
| CP03 | Change of name, title or address |
Address after: 300300 Tianjin city Dongli District Road No. 1199 a Patentee after: Tianjin Railway Signal Co., Ltd. Address before: 300300 No. 1, Tianjin Road, Dongli, China Patentee before: Tianjin Railway Signal Factory |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100811 |