CN103630283B - Sleeper vertical, horizontal resistance dynamic measuring instrument and detection method - Google Patents
Sleeper vertical, horizontal resistance dynamic measuring instrument and detection method Download PDFInfo
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- CN103630283B CN103630283B CN201310643481.3A CN201310643481A CN103630283B CN 103630283 B CN103630283 B CN 103630283B CN 201310643481 A CN201310643481 A CN 201310643481A CN 103630283 B CN103630283 B CN 103630283B
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Abstract
The invention discloses a kind of sleeper vertical, horizontal resistance dynamic measuring instrument and detection method, comprise charger, sleeper vertical, horizontal bogey and electronic test equipment; The end of charger is provided with impact head, and inside is provided with ram hammer and spring-loaded device; Electronic test equipment comprises force snesor and acceleration or displacement transducer, and sensor, acceleration or displacement transducer are connected with tester main frame respectively; State the top that acceleration or displacement transducer are placed on sleeper vertical, horizontal bogey, force snesor is placed on the sidepiece of sleeper vertical, horizontal bogey.Sleeper vertical, horizontal resistance detection of dynamic can be carried out, have that instrument is light and handy, easy to use, simple to operate, accurately objective, testing result can the advantage of automatic printing and storage for simple installation, data; Reduce the labour intensity of testing crew, improve detection efficiency.
Description
Technical field
The present invention relates to and a kind ofly detect the technology that lateral resistance indulged by sleeper, particularly relate to a kind of sleeper vertical, horizontal resistance dynamic measuring instrument and detection method.
Background technology
Sleeper vertical, horizontal resistance is the mechanical index of Ballast track railway roadbed, and this index plays an important role to track structural strength and stability.China Express Railway correlation standard, the longitudinal resistance of Ballast track sleeper should not be less than 14kN/ pillow, and lateral resistance should not be less than 12kN/ pillow.
Before Ballast track line clear, reply sleeper vertical, horizontal resistance detects.In the prior art, detection for sleeper longitudinal resistance adopts lifting jack to load, and namely between two sleepers, arranges hydraulic jack, unclamp the fastener of tested sleeper, and making lifting jack withstand on the centre position of sleeper, dial gauge or displacement transducer are installed in the side, two ends of sleeper; Apply longitudinal force to sleeper, recording manometer or force snesor, dial gauge or displacement transducer reading, draw the pass of longitudinal force and displacement, calculates longitudinal resistance.Detection for sleeper lateral resistance is also adopt lifting jack to load, dial gauge or displacement transducer are installed in one end of sleeper, utilize rail side or counter force wall to do counter-force to support, lateral thrust is applied by jack pair sleeper, recording manometer or force snesor, dial gauge or displacement transducer reading, draw the relation of transverse force and displacement, calculate lateral resistance.
Above-mentioned method of testing of the prior art has disturbance to rail, adjacent sleeper and railway roadbed or needs counterforce device, and detection speed is slow.
Summary of the invention
The object of this invention is to provide a kind of sleeper vertical, horizontal resistance dynamic measuring instrument and detection method.
The object of the invention is to be achieved through the following technical solutions:
Sleeper vertical, horizontal resistance dynamic measuring instrument of the present invention, comprises charger, sleeper longitudinal load-bearing device, sleeper lateral bearing device and electronic test equipment;
The end of described charger is provided with impact head, and inside is provided with ram hammer and spring-loaded device;
Described electronic test equipment comprises force snesor and acceleration or displacement transducer, and described sensor, acceleration or displacement transducer are connected with tester main frame respectively;
Described acceleration or displacement transducer are placed on the top of described sleeper longitudinal load-bearing device or sleeper lateral bearing device, and described force snesor is placed on the sidepiece of described sleeper longitudinal load-bearing device or sleeper lateral bearing device.
The above-mentioned sleeper vertical, horizontal resistance dynamic measuring instrument of application of the present invention carries out sleeper vertical, horizontal resistance dynamic testing method, comprising:
Sleeper longitudinal resistance dynamic testing method comprises step:
First, unclamp the fastener of tested sleeper, allow sleeper longitudinal load-bearing device be fixed on sleeper centre position, degree of will speed up or displacement transducer, force snesor are arranged on sleeper;
Then, percussion mechanism applies impulsive force to sleeper longitudinal load-bearing device, and sleeper produces longitudinally dynamic displacement, and show that described longitudinal direction moves the correlationship between displacement and sleeper longitudinal resistance by contrast test;
Afterwards, according to described sleeper longitudinally dynamic correlationship between displacement and sleeper longitudinal resistance, sleeper longitudinal resistance is drawn;
Sleeper lateral resistance dynamic testing method comprises step:
First, unclamp the fastener of tested sleeper, allow sleeper lateral bearing device be fixed on one end of sleeper, degree of will speed up or displacement transducer, force snesor are arranged on sleeper;
Then, percussion mechanism applies impulsive force to sleeper lateral bearing device, and sleeper produces laterally dynamic displacement, and show that described transverse direction moves the correlationship between displacement and sleeper lateral resistance by contrast test;
Afterwards, move the correlationship between displacement and sleeper lateral resistance according to described transverse direction, draw sleeper lateral resistance.
As seen from the above technical solution provided by the invention, the sleeper vertical, horizontal resistance dynamic measuring instrument that the embodiment of the present invention provides and detection method, owing to comprising charger, sleeper longitudinal load-bearing device, sleeper lateral bearing device and electronic test equipment, have that instrument is light and handy, easy to use, simple to operate, accurately objective, testing result can the advantage of automatic printing and storage for simple installation, data; Reduce the labour intensity of testing crew, improve detection efficiency.
Accompanying drawing explanation
Fig. 1 a is the facade structures schematic diagram of sleeper longitudinal resistance dynamic measuring instrument in the embodiment of the present invention;
Fig. 1 b is the planar structure schematic diagram of sleeper longitudinal resistance dynamic measuring instrument in the embodiment of the present invention;
Fig. 2 is the structural representation of sleeper lateral resistance dynamic measuring instrument in the embodiment of the present invention.
In figure: 1, acceleration or displacement transducer, 2-1, sleeper longitudinal load-bearing device, 2-2, sleeper lateral bearing device, 3, tester main frame, 4, impact head, 5, force snesor, 6, spring-loaded device, 7, ram hammer, 8, charger.
Embodiment
To be described in further detail the embodiment of the present invention below.
Sleeper vertical, horizontal resistance dynamic measuring instrument of the present invention, its preferably embodiment be:
Comprise charger, sleeper longitudinal load-bearing device, sleeper lateral bearing device and electronic test equipment;
The end of described charger is provided with impact head, and inside is provided with ram hammer and spring-loaded device;
Described electronic test equipment comprises force snesor and acceleration or displacement transducer, and described sensor, acceleration or displacement transducer are connected with tester main frame respectively;
Described acceleration or displacement transducer are placed on the top of described sleeper longitudinal load-bearing device or sleeper lateral bearing device, and described force snesor is placed on the sidepiece of described sleeper longitudinal load-bearing device or sleeper lateral bearing device.
Described tester main frame is provided with printer interface, charging socket, LCDs, button.
The above-mentioned sleeper vertical, horizontal resistance dynamic measuring instrument of application of the present invention carries out sleeper vertical, horizontal resistance dynamic testing method, comprising:
Sleeper longitudinal resistance dynamic testing method comprises step:
First, unclamp the fastener of tested sleeper, allow sleeper longitudinal load-bearing device be fixed on sleeper centre position, degree of will speed up or displacement transducer, force snesor are arranged on sleeper;
Then, percussion mechanism applies impulsive force to sleeper longitudinal load-bearing device, and sleeper produces longitudinally dynamic displacement, and show that described longitudinal direction moves the correlationship between displacement and sleeper longitudinal resistance by contrast test;
Afterwards, according to described sleeper longitudinally dynamic correlationship between displacement and sleeper longitudinal resistance, sleeper longitudinal resistance is drawn;
Sleeper lateral resistance dynamic testing method comprises step:
First, unclamp the fastener of tested sleeper, allow sleeper lateral bearing device be fixed on one end of sleeper, degree of will speed up or displacement transducer, force snesor are arranged on sleeper;
Then, percussion mechanism applies impulsive force to sleeper lateral bearing device, and sleeper produces laterally dynamic displacement, and show that described transverse direction moves the correlationship between displacement and sleeper lateral resistance by contrast test;
Afterwards, move the correlationship between displacement and sleeper lateral resistance according to described transverse direction, draw sleeper lateral resistance.
Sleeper vertical, horizontal resistance dynamic measuring instrument of the present invention and detection method, have that instrument is light and handy, easy to use, simple to operate, accurately objective, testing result can the advantage of automatic printing and storage for simple installation, data; Reduce the labour intensity of testing crew, improve detection efficiency.
In the present invention, charger is used for applying dynamic load to sleeper, and inside is provided with ram hammer and spring-loaded device, by end impact head to force snesor and sleeper load application; Sleeper longitudinal load-bearing device and sleeper lateral bearing device are placed in sleeper top and sidepiece or end respectively when using, play fixation of sensor.Bogey can place acceleration or displacement transducer, and sidepiece can place force snesor; Electronic test equipment comprises force snesor, acceleration or displacement transducer and tester main frame; Force snesor is placed in sleeper sidepiece or end, for detecting the dynamic load that charger applies, detection signal by wire transfer to tester main frame; Acceleration or displacement transducer are placed in sleeper top, for detect sleeper dynamic load impact under change in displacement, detection signal by wire transfer to tester main frame; Tester main frame is connected with force snesor, acceleration or displacement transducer respectively, and the dynamic load that can produce according to every Secondary Shocks and shift value calculate sleeper sleeper vertical, horizontal resistance automatically.Described tester main frame side is provided with printer interface and charging socket, is provided with LCDs, button simultaneously.
Specific embodiment:
As shown in Fig. 1 a, Fig. 1 b, Fig. 2, by sleeper vertical, horizontal bogey 2-1,2-2 before test, be placed in sleeper top or sidepiece, degree of will speed up or displacement transducer 1 are placed in bogey top, force snesor 5 is placed in bogey sidepiece and fixes, and tester main frame 3 is connected with acceleration or displacement transducer 1, force snesor 5 respectively.During test, hand-held charger 8, apply dynamic load to force snesor position level, power is delivered to sleeper by bogey by force snesor, makes sleeper produce displacement.Dynamic load value and consequent displacement variable are recorded by force snesor 5 and acceleration or displacement transducer 1 respectively, and measured signal is by cable transmission to tester main frame 3, and it is longitudinal and transverse that tester main frame 3 calculates sleeper automatically, and store test figure.
Beneficial effect of the present invention can be summarized as three aspects:
1. sleeper vertical, horizontal resistance dynamic measuring instrument, by sleeper dynamic load, detects sleeper dynamic load and dynamic displacement, is applicable to newly-built and existing line sleeper vertical, horizontal resistance detection.
2. substitute counterforce device, lifting jack and oil pump by dynamic load to load, sleeper vertical, horizontal resistance detector can be facilitated to transport, install and transfer.
3. compare traditional sleeper vertical, horizontal resistance detector, this tester adopts acceleration transducer or displacement transducer, the automatic pick-up transducers data of electronic test equipment, and automatically display, printing test result, and printable dynamic load and dynamic displacement relation curve, reduce testing crew labour intensity, and improve the accuracy of detection efficiency and test.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (2)
1. a sleeper vertical, horizontal resistance dynamic measuring instrument, is characterized in that, comprises charger, sleeper longitudinal load-bearing device, sleeper lateral bearing device and electronic test equipment;
The end of described charger is provided with impact head, and inside is provided with ram hammer and spring-loaded device;
Described electronic test equipment comprises force snesor and acceleration or displacement transducer, and described force snesor, acceleration or displacement transducer are connected with tester main frame respectively;
Described acceleration or displacement transducer are placed on the top of described sleeper longitudinal load-bearing device or sleeper lateral bearing device, and described force snesor is placed on the sidepiece of described sleeper longitudinal load-bearing device or sleeper lateral bearing device;
Described tester main frame is provided with printer interface, charging socket, LCDs, button.
2. application rights requires that the sleeper vertical, horizontal resistance dynamic measuring instrument described in 1 carries out a sleeper vertical, horizontal resistance dynamic testing method, it is characterized in that:
Sleeper longitudinal resistance dynamic testing method comprises step:
First, unclamp the fastener of tested sleeper, allow sleeper longitudinal load-bearing device be fixed on sleeper centre position, degree of will speed up or displacement transducer, force snesor are arranged on sleeper;
Then, percussion mechanism applies impulsive force to sleeper longitudinal load-bearing device, and sleeper produces longitudinally dynamic displacement, and show that described longitudinal direction moves the correlationship between displacement and sleeper longitudinal resistance by contrast test;
Afterwards, according to described sleeper longitudinally dynamic correlationship between displacement and sleeper longitudinal resistance, sleeper longitudinal resistance is drawn;
Sleeper lateral resistance dynamic testing method comprises step:
First, unclamp the fastener of tested sleeper, allow sleeper lateral bearing device be fixed on one end of sleeper, degree of will speed up or displacement transducer, force snesor are arranged on sleeper;
Then, percussion mechanism applies impulsive force to sleeper lateral bearing device, and sleeper produces laterally dynamic displacement, and show that described transverse direction moves the correlationship between displacement and sleeper lateral resistance by contrast test;
Afterwards, move the correlationship between displacement and sleeper lateral resistance according to described transverse direction, draw sleeper lateral resistance.
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| CN201310643481.3A CN103630283B (en) | 2013-12-03 | 2013-12-03 | Sleeper vertical, horizontal resistance dynamic measuring instrument and detection method |
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| CN201310643481.3A CN103630283B (en) | 2013-12-03 | 2013-12-03 | Sleeper vertical, horizontal resistance dynamic measuring instrument and detection method |
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| CN103630283B true CN103630283B (en) | 2016-01-06 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048820B (en) * | 2014-06-19 | 2017-02-01 | 湖南高速铁路职业技术学院 | Railroad sleeper detection data acquisition device and system |
| CN106644425B (en) * | 2016-10-27 | 2019-12-20 | 中南大学 | Comprehensive measuring device for longitudinal, transverse and vertical three-way resistance of steel rail fastener |
| CN107219032B (en) * | 2017-06-09 | 2019-08-23 | 北京交通大学 | Railway gluing railway roadbed changeover portion sleeper lateral resistance test equipment and test method |
| CN110243578B (en) * | 2019-05-23 | 2021-05-04 | 苏州集成校准检测认证有限公司 | Method for testing longitudinal steel rail restraining force of rail transit |
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