CN204479410U - Fragment-free track slab retrofilling layer intensity detecting device - Google Patents
Fragment-free track slab retrofilling layer intensity detecting device Download PDFInfo
- Publication number
- CN204479410U CN204479410U CN201520196957.8U CN201520196957U CN204479410U CN 204479410 U CN204479410 U CN 204479410U CN 201520196957 U CN201520196957 U CN 201520196957U CN 204479410 U CN204479410 U CN 204479410U
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- China
- Prior art keywords
- fragment
- track slab
- free track
- pressure transducer
- retrofilling
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of fragment-free track slab retrofilling layer intensity detecting device, comprise the sensor outer housing be fixed in sensor base, pressure transducer is provided with in sensor outer housing, the middle part of sensor base is provided with through hole, the front end of pressure transducer is provided with pressure head, and pressure head is placed in through hole, and the rear end of pressure transducer is provided with pressue device, pressure transducer is connected with displacement transducer, and pressure transducer and displacement transducer are electrically connected with tester main frame.Sensor base is for being fixed on the side of fragment-free track slab retrofilling layer template, and pressure head contacts with fragment-free track slab retrofilling layer.Instrument is light and handy, easy to use, simple to operate, detection speed is fast, accurately objective, testing result can automatic printing and storage for data, improves fragment-free track slab retrofilling layer construction quality.
Description
Technical field
The utility model relates to a kind of intensity of filling bed checkout equipment, particularly relates to a kind of fragment-free track slab retrofilling layer intensity detecting device.
Background technology
The structural sheet be poured between oriented track plates (switching turnout plate) and concrete base or supporting layer is plate retrofilling layer; Its compaction material is cement emulsified asphalt mortar (CA mortar), or self-compacting concrete, or other new material.After packing material perfusion, when its compressive strength reaches relevant criterion requirement, can carrying bolt be removed, or can load-bearing on track plates.After cement injection emulsified asphalt slurry compaction material under CRTS1 plate-type fragment-free track slab, when mortar compressive strength reaches more than 0.1MPa, can carrying bolt be removed, when compressive strength reaches more than 0.7MPa, can load-bearing on track plates.
For the method for inspection of fragment-free track slab retrofilling layer intensity, main per tour making test specimen that adopts carries out experimental examination at present, or finger pressure method is observed in employing.Usually rule of thumb adopt finger-press method to construct in practice of construction, as the filling bed that press...withes one's finger, be as the criterion without impression, first try to loosen carrying bolt, track plates without sinkage, i.e. dismountable carrying bolt.
Because the curing condition etc. of indoor test specimen there are differences with scene, carry out experimental examination and obtain method so adopt per tour to make test specimen and be difficult to accurately reflect on-the-spot fragment-free track slab retrofilling layer intensity; Usually the finger-press method adopted in practice of construction, deviation can be there is because of the difference of finger presses dynamics and experience, the method be one by rule of thumb, the method for inspection of qualitative reaction packed layer intensity, exist be difficult to accurately, Objective Test On Numberical fragment-free track slab retrofilling layer intensity.
Utility model content
The purpose of this utility model be to provide a kind of easy to use, simple to operate, detection speed is fast, data accurately objective fragment-free track slab retrofilling layer intensity detecting device.
The purpose of this utility model is achieved through the following technical solutions:
Fragment-free track slab retrofilling layer intensity detecting device of the present utility model, comprise the sensor outer housing be fixed in sensor base, pressure transducer is provided with in sensor outer housing, the middle part of sensor base is provided with through hole, the front end of pressure transducer is provided with pressure head, and pressure head is placed in described through hole, and the rear end of pressure transducer is provided with pressue device, pressure transducer is connected with displacement transducer, and pressure transducer and displacement transducer are electrically connected with tester main frame.
The technical scheme provided as can be seen from above-mentioned the utility model, the fragment-free track slab retrofilling layer intensity detecting device that the utility model embodiment provides, owing to comprising the sensor outer housing be fixed in sensor base, pressure transducer is provided with in sensor outer housing, the middle part of sensor base is provided with through hole, the front end of pressure transducer is provided with pressure head, pressure head is placed in described through hole, the rear end of pressure transducer is provided with pressue device, pressure transducer is connected with displacement transducer, pressure transducer and displacement transducer are electrically connected with tester main frame, instrument is light and handy, easy to use, simple to operate, detection speed is fast, data are accurately objective, testing result can automatic printing and storage, improve fragment-free track slab retrofilling layer construction quality.
Accompanying drawing explanation
The structural representation of the fragment-free track slab retrofilling layer intensity detecting device that Fig. 1 provides for the utility model embodiment.
In figure:
1-sensor base, 2-pressure transducer, 3-sensor outer housing, 4-tester main frame, 5-displacement transducer, 6-lever depression bar, 7-pressure head, 8-packing material.
Embodiment
To be described in further detail the utility model embodiment below.
Fragment-free track slab retrofilling layer intensity detecting device of the present utility model, its preferably embodiment be:
Comprise the sensor outer housing be fixed in sensor base, pressure transducer is provided with in described sensor outer housing, the middle part of described sensor base is provided with through hole, the front end of described pressure transducer is provided with pressure head, described pressure head is placed in described through hole, the rear end of described pressure transducer is provided with pressue device, and described pressure transducer is connected with displacement transducer, and described pressure transducer and displacement transducer are electrically connected with tester main frame.
Described pressue device comprises lever depression bar, hand wheel type depression bar or direct press type depression bar.
Described sensor base is fixed on the side of fragment-free track slab retrofilling layer template, and described pressure head contacts with described fragment-free track slab retrofilling layer.
Principle of the present utility model is:
When after packing material perfusion, fragment-free track slab retrofilling layer intensity detecting device is arranged on formwork sides by sensor base, by pressue device, certain pressure is applied to packing material, and the compressive strength of packing material under certain deformation condition is recorded by pressure transducer and displacement transducer, automatically calculated by tester main frame again and show result, thus accurately, objectively reflecting fragment-free track slab retrofilling layer intensity.Tester main frame can show the change of pressure and displacement in real time; Sensor base is used for fragment-free track slab retrofilling layer intensity detecting device to be fixed on formwork sides.
Fragment-free track slab retrofilling layer intensity detecting device of the present utility model, instrument is light and handy, easy to use, simple to operate, detection speed is fast, accurately objective, testing result can automatic printing and storage for data, improves fragment-free track slab retrofilling layer construction quality.
Its beneficial effect can be summarized as two aspects:
1. fragment-free track slab retrofilling layer intensity detecting device, adopts displacement transducer and pressure transducer automatically to detect the compressive strength of packing material under certain deformation conditions, accurately objectively can reflect fragment-free track slab retrofilling layer intensity.
2. gather by the output signal of data collector to pressure and displacement transducer, calculate, detect data accurately objective; And automatically show testing result; The work efficiency of testing can be put forward, reduce the labour intensity of workmen.
Specific embodiment:
As shown in Figure 1, when after packing material perfusion, fragment-free track slab retrofilling layer intensity detecting device is arranged on formwork sides by sensor base, by pressue device, certain pressure is applied to packing material, and recorded the compressive strength of packing material under certain deformation condition by pressure transducer and displacement transducer, more automatically calculated by tester main frame and show result.
After detection terminates, the test figure that tester main frame can will store, field print.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (3)
1. a fragment-free track slab retrofilling layer intensity detecting device, it is characterized in that, comprise the sensor outer housing be fixed in sensor base, pressure transducer is provided with in described sensor outer housing, the middle part of described sensor base is provided with through hole, the front end of described pressure transducer is provided with pressure head, described pressure head is placed in described through hole, the rear end of described pressure transducer is provided with pressue device, described pressure transducer is connected with displacement transducer, and described pressure transducer and displacement transducer are electrically connected with tester main frame.
2. fragment-free track slab retrofilling layer intensity detecting device according to claim 1, it is characterized in that, described pressue device comprises lever depression bar, hand wheel type depression bar or direct press type depression bar.
3. fragment-free track slab retrofilling layer intensity detecting device according to claim 1 and 2, it is characterized in that, described sensor base is fixed on the side of fragment-free track slab retrofilling layer template, and described pressure head contacts with described fragment-free track slab retrofilling layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520196957.8U CN204479410U (en) | 2015-04-02 | 2015-04-02 | Fragment-free track slab retrofilling layer intensity detecting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520196957.8U CN204479410U (en) | 2015-04-02 | 2015-04-02 | Fragment-free track slab retrofilling layer intensity detecting device |
Publications (1)
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CN204479410U true CN204479410U (en) | 2015-07-15 |
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Family Applications (1)
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CN201520196957.8U Withdrawn - After Issue CN204479410U (en) | 2015-04-02 | 2015-04-02 | Fragment-free track slab retrofilling layer intensity detecting device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106052921A (en) * | 2016-05-23 | 2016-10-26 | 山东理工大学 | Filling retaining wall stress change rule simulation test device and test method |
CN113804092A (en) * | 2021-09-17 | 2021-12-17 | 北京科技大学 | Experimental device and method for measuring deformation of filled retaining wall geotextile |
-
2015
- 2015-04-02 CN CN201520196957.8U patent/CN204479410U/en not_active Withdrawn - After Issue
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106052921A (en) * | 2016-05-23 | 2016-10-26 | 山东理工大学 | Filling retaining wall stress change rule simulation test device and test method |
CN106052921B (en) * | 2016-05-23 | 2019-02-26 | 山东理工大学 | A kind of filling counterfort stress changing rule simulating test device and test method |
CN113804092A (en) * | 2021-09-17 | 2021-12-17 | 北京科技大学 | Experimental device and method for measuring deformation of filled retaining wall geotextile |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20150715 Effective date of abandoning: 20171124 |
|
AV01 | Patent right actively abandoned |