CN218723918U - Device for measuring shrinkage of cement stabilized macadam material test piece with multiple sizes - Google Patents
Device for measuring shrinkage of cement stabilized macadam material test piece with multiple sizes Download PDFInfo
- Publication number
- CN218723918U CN218723918U CN202222791018.0U CN202222791018U CN218723918U CN 218723918 U CN218723918 U CN 218723918U CN 202222791018 U CN202222791018 U CN 202222791018U CN 218723918 U CN218723918 U CN 218723918U
- Authority
- CN
- China
- Prior art keywords
- test piece
- stabilized macadam
- cement stabilized
- material test
- range finder
- 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
Images
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
The application discloses a device for measuring shrinkage of cement stabilized macadam material test piece of many sizes, the shrinkage deformation survey technical field of cement stabilized macadam basic unit is related to, solve the technical problem that present device can only measure the cement stabilized macadam material test piece of single size, therefore the application provides a device for measuring shrinkage of cement stabilized macadam material test piece of many sizes, on prior art's basis, add one and can follow the test piece and put two second anchor clamps that the direction can carry out the roll adjustment, and cooperate the first anchor clamps of detachable to carry out the centre gripping fixed to the test piece that awaits measuring, and be equipped with laser range finder and range finding target respectively on two first anchor clamps, with this shrinkage deformation who measures the cement stabilized macadam material test piece of different sizes, this application has the test piece that can extensively not unidimension, measured data is accurate, easy maintenance's advantage applies to.
Description
Technical Field
The utility model relates to a gravel base course's shrinkage deformation survey's field is stabilized to cement, more optional be relate to gravel material test piece shrinkage deformation detecting instrument technical field is stabilized to cement.
Background
The cement stabilized macadam base is a main component of a high-grade highway, wherein the cement stabilized macadam material is a semi-rigid material, and the performance of the cement stabilized macadam material mainly shows high compressive strength and rigidity, high bearing capacity and certain bending tensile strength.
Since the cement-stabilized macadam material is brittle, especially the cement which is a component cementing material for generating strength is easily influenced by temperature and humidity, and shrinkage cracking is easily generated when the temperature and the humidity are changed violently in the construction process, the measurement of the shrinkage deformation amount of the cement-stabilized macadam material generated under various temperature and humidity conditions is very necessary.
In the relevant standards, according to the content recorded in JTG E51-2009 test specification for inorganic binder stabilizing materials for highway engineering, when detecting the shrinkage deformation of a cement stabilized macadam foundation, a dial indicator is usually installed on a shrinkage gauge for measurement, but this measurement method is easily affected by environmental factors, and a slight disturbance may generate a test error; meanwhile, when the shrinkage of the cement stabilized macadam material is small, a dial indicator is used for measurement, so that large accidental errors can be caused, and the test result is influenced.
In view of this, in the related art, a more stable and accurate laser range finder and a range target are used for measuring distance, and an obtained data signal is converted into a standard signal and is transmitted to a data acquisition unit first, so as to display measured data, but the measuring device is not sufficient for testing a cement-stabilized macadam material test piece of only one size.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: when facing to the test piece of changing different sizes, to the single technical problem of measurement size of current measuring device, provide a device that is used for measuring many sizes's cement stabilized macadam material test piece shrink.
The utility model discloses a realize above-mentioned purpose, specifically adopt following technical scheme: including laser range finder, with the range finding target that laser range finder cooperation was used, gather the data collection station of data between laser range finder and the range finding target, laser range finder sets up in same admission line relatively with the range finding target, laser range finder all is provided with the first anchor clamps of detachable with the below of range finding target for the both ends head of centre gripping test piece runs through the one end that first anchor clamps just kept away from laser range finder is equipped with first steel sheet, is used for putting the test piece the both sides portion of first steel sheet is equipped with the second anchor clamps of roll adjustment.
In order to more clearly and completely explain the core technical scheme of the application, further refinement and additional technical features are made on the basis, so the following optional technical scheme also exists;
optionally, the second fixture includes a positioning linear slide rail and a second steel plate slidably mounted on the positioning linear slide rail, and the positioning linear slide rail is fixed to two side portions of the first steel plate.
Optionally, the bottom of the laser range finder is provided with a first fixing seat, and the bottom surface of the first fixing seat is fixed on the first clamp through bonding of an adhesive.
Optionally, an independent power supply and a wireless module are arranged inside the laser range finder.
Optionally, the distance measuring target is a square thin plate.
Optionally, the bottom of the ranging target is provided with a second fixing seat, and the bottom of the second fixing seat is provided with a fixing layer for fixing the ranging target on the first clamp.
Optionally, the fixing layer may be a magnetic device or a fixing clip.
Optionally, the first steel plate is rectangular, and has a length of 750mm and a width of 250mm.
Optionally, the first clamp is a magnetic rectangular metal plate, and has a length of 200mm, a width of 200mm, and a thickness of 30mm.
Optionally, the data collector is wirelessly connected to the laser range finder.
In summary, due to the implementation of the above technical solution, the following beneficial effects are achieved:
1. the test piece shrinkage tester has the using effect of measuring the shrinkage of a multi-size cement stabilized macadam material test piece; through being equipped with the second anchor clamps on the both sides portion at first steel sheet, and the second anchor clamps can be for the distance between two second anchor clamps of test piece locating position regulation, after the test piece is put on first steel sheet, make the end of the one end of test piece and the lateral wall laminating of the first anchor clamps that are equipped with laser range finder earlier, the end of the test piece other end and the lateral wall laminating of the first anchor clamps that are equipped with the range finding target, immediately, adjust the distance between the second anchor clamps of installing on first steel sheet both sides portion, until the second anchor clamps grasp the lateral wall of test piece, when measuring the test piece of unidimensional, only need to dismantle first anchor clamps at this moment, fix on new test piece tip again, it can to remove the second anchor clamps centre gripping fixed test piece again.
2. The use effect of measurement and accurate positioning is achieved; first anchor clamps bond in the test piece tip, and the location can not the deviation, adopts the mode of laser range finder and range finding target to test the test piece shrink simultaneously, compares in artifical reading reduction error, and the second anchor clamps are fixed the test piece simultaneously, and the test piece is difficult for receiving the environmental factor disturbance, and influences the measuring accuracy.
3. The use effect of convenient maintenance is achieved; be equipped with the one deck fixed bed through the bottom at the second fixing base, and the fixed bed can be for magnetism to inhale device or fixation clamp to this fixes the range finding target on first anchor clamps, when the range finding target goes out the problem, can relax take off the range finding target from first anchor clamps.
Drawings
Fig. 1 shows a front view of a device according to embodiments described herein;
FIG. 2 shows a top view of a test piece after placement on a device according to embodiments described herein;
fig. 3 shows a left side view of an apparatus according to embodiments described herein.
Reference numerals: 1-laser range finder; 101-a first holder;
2-ranging target; 201-second fixed seat;
3-data collector;
4-a first clamp;
5-a first steel plate;
6-a second clamp; 601 — a second steel plate; 602-positioning a linear guide; 603-bolt;
7-test piece.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples to make the objects, technical solutions and advantages of the present application more apparent, and it should be understood that the specific examples described herein are only for explaining the present application and are not intended to limit the present application.
It should be noted that the terms "first," "second," and the like, when appearing throughout, are used merely to distinguish elements having the same name and are not intended to imply importance.
Referring to fig. 1 to 3, in order to realize measurement of cement-stabilized macadam material test pieces of different sizes, on the basis of the prior art, the present application provides a device for measuring shrinkage of cement-stabilized macadam material test pieces of different sizes, the main improvement point is that the second clamp 6 can adjust distance along the placing direction of the test piece 7, and the first clamp 4 is detachable, during measurement, the side wall of the first clamp 4 is used to cling to the shrinkage end part of the test piece 7, when the test pieces 7 of different sizes need to be measured, the first clamp 4 is detached, the detached first clamp 4 is reinstalled on the end part of a new test piece 7 to be measured, and finally the distance between the two second clamps 6 is adjusted, so as to be suitable for the cement-stabilized macadam material test pieces of different sizes through the above operation, more specifically, the device mainly comprises a laser range finder 1, a range finder 2 used in cooperation with the laser range finder 1, and a data collector 3 for collecting data between the laser range finder 1 and the range finder 2.
Firstly, in order to ensure the accuracy of the measured data, the laser range finder 1 and the range target 2 are arranged opposite to each other on the same receiving line.
Secondly, the first clamps 4 are arranged below the laser range finder 1 and the range finding target 2, the two first clamps 4 are opposite in position and are placed on the ground on the same horizontal line, when a test piece needs to be measured, the first clamps 4 are moved at the moment, and therefore the distance between the two opposite first clamps 4 is adjusted until the two ends of the test piece are clamped by the two first clamps 4.
Next, in order to ensure the stability of the test piece during measurement, a first steel plate 5 is disposed through the first fixture 4 and at an end away from the laser range finder 1, and a test piece 7 to be measured is placed on the first steel plate 5.
Finally, in order to measure test pieces 7 with different sizes, the second clamps 6 with adjustable distances are arranged at the two side parts of the first steel plate 5, when the test pieces 7 with different sizes are measured, only the first clamp 4 needs to be disassembled, the side wall of the disassembled first clamp 4 is attached to the contraction end of a new test piece 7 to be tested again, and then the distance between the second clamps 6 arranged at the two side parts of the first steel plate 5 is adjusted again according to the size of the test piece 7.
As an alternative embodiment, please refer to fig. 1 to fig. 3, based on the core technical solution, in order to ensure the precision of the measurement result of the test piece, the distance adjustment manner of the second fixture 6 is further described, wherein the second fixture 6 includes a positioning linear slide rail 602 and a second steel plate 601 slidably mounted on the positioning linear slide rail 602, and first, the positioning linear slide rail 602 is fixed at two side portions of the first steel plate 5; secondly, the second steel plate 601 is connected to the positioning linear slide rail 602 through a bolt 603, more specifically, the type of the positioning linear slide rail 602 is MGN7H, the positioning linear slide rail 602 with good positioning accuracy is adopted, and the second steel plate 601 slides in the positioning linear slide rail 602, so that the test piece 7 can be stably clamped without being disturbed by external factors, and the accuracy of the measurement result is further improved in the process of measuring the test piece 7.
As an alternative embodiment, please refer to fig. 1 to 3, on the basis of the core technical solution, in order to facilitate the disassembly and assembly of the laser range finder and the maintenance of the device at the later stage, a first fixing seat 101 is disposed at the bottom of the laser range finder 1, and the bottom surface of the first fixing seat 101 is fixed on the first fixture by adhesive bonding 4.
As an alternative embodiment, referring to fig. 1 to 3, on the basis of the core technical solution, in order to simplify the structure of the device and further reduce the manufacturing cost, an independent power supply and a wireless module are disposed inside the laser range finder 1, wherein the laser range finder 1 has a model of DPE-10-150, and the range between the laser range finder 1 and the range target 2 can reach up to 150m.
As an alternative embodiment, referring to fig. 1 to 3, in order to further simplify the structure of the device, the distance measuring target 2 is a square thin plate.
As an alternative embodiment, please refer to fig. 1 to 3, in order to facilitate the later maintenance of the device, a second fixing seat 201 is disposed at the bottom of the distance measuring target 2, and a fixing layer is disposed at the bottom of the second fixing seat 201 for fixing the distance measuring target 2 on the first fixture 4.
As an alternative embodiment, please refer to fig. 1 to fig. 3, further, the fixing layer can be a magnetic device or a fixing clip.
As an alternative embodiment, referring to fig. 1 to 3, further, the first steel plate 5 is rectangular, and has a length of 750mm and a width of 250mm.
As an alternative embodiment, referring to fig. 1 to 3, further, the first clamp 4 is a magnetic rectangular metal plate, and has a length of 200mm, a width of 200mm, and a thickness of 30mm.
As an alternative embodiment, please refer to fig. 1 to fig. 3, on the basis of the core technical solution, in order to further ensure the accuracy of the measured data, the data collector 3 is wirelessly connected to the laser range finder 1, more specifically, the wireless connection is a bluetooth connection.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a device for measuring shrink of many sizes cement stabilized macadam material test piece, includes laser range finder (1), with range finding target (2) that laser range finder (1) cooperation was used, data collection station (3) of data between collection laser range finder (1) and range finding target (2), a serial communication port, laser range finder (1) and range finding target (2) are located the relative setting of same admission line, the below of laser range finder (1) and range finding target (2) all is provided with detachable first anchor clamps (4) for the both ends head of centre gripping test piece runs through the one end that laser range finder (1) was just kept away from in first anchor clamps (4) is equipped with first steel sheet (5), is used for putting test piece (7) the both sides portion of first steel sheet (5) is equipped with second anchor clamps (6) of adjustable distance.
2. The device for measuring shrinkage of a multi-sized cement stabilized macadam material test piece according to claim 1, wherein the second clamp (6) comprises a positioning linear slide rail (602), and a second steel plate (601) slidably mounted on the positioning linear slide rail (602), wherein the positioning linear slide rail (602) is fixed on two side portions of the first steel plate (5).
3. The device for measuring shrinkage of multi-sized cement stabilized macadam material test pieces according to claim 1, characterized in that the bottom of the laser range finder (1) is provided with a first fixed seat (101), and the bottom surface of the first fixed seat (101) is fixed on the first clamp (4) by bonding with an adhesive.
4. The device for measuring shrinkage of multi-sized cement stabilized macadam material test pieces according to claim 3, characterized in that an independent power supply and a wireless module are provided inside the laser range finder (1).
5. The device for measuring shrinkage of multi-sized cement stabilized macadam material test pieces according to claim 1, characterized in that the ranging target (2) is a square thin plate.
6. The device for measuring shrinkage of multi-sized cement stabilized macadam material test pieces according to claim 5, characterized in that the bottom of the ranging target (2) is provided with a second fixed seat (201), and the bottom of the second fixed seat (201) is provided with a fixing layer for fixing the ranging target (2) on the first clamp (4).
7. The apparatus for measuring shrinkage of multi-sized cement stabilized macadam material test pieces according to claim 6, wherein the fixing layer can be a magnetic attraction device or a fixing clip.
8. The apparatus for measuring shrinkage of multi-sized cement stabilized macadam material test pieces according to claim 1, wherein the first steel plate (5) is rectangular and 750mm long and 250mm wide.
9. The apparatus for measuring shrinkage of multi-sized cement stabilized macadam material test pieces according to claim 1, wherein the first jig (4) is a magnetic rectangular metal plate having a length of 200mm, a width of 200mm and a thickness of 30mm.
10. The device for measuring shrinkage of multi-sized cement stabilized macadam material test pieces according to claim 1, wherein the data collector (3) is wirelessly connected with the laser range finder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222791018.0U CN218723918U (en) | 2022-10-21 | 2022-10-21 | Device for measuring shrinkage of cement stabilized macadam material test piece with multiple sizes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222791018.0U CN218723918U (en) | 2022-10-21 | 2022-10-21 | Device for measuring shrinkage of cement stabilized macadam material test piece with multiple sizes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218723918U true CN218723918U (en) | 2023-03-24 |
Family
ID=85588281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222791018.0U Active CN218723918U (en) | 2022-10-21 | 2022-10-21 | Device for measuring shrinkage of cement stabilized macadam material test piece with multiple sizes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218723918U (en) |
-
2022
- 2022-10-21 CN CN202222791018.0U patent/CN218723918U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110082668B (en) | Element fixing device for Helmholtz coil magnetic field test | |
| CN104122516B (en) | A kind of electrical sheet magnetostriction measurement system and method | |
| CN203148420U (en) | Extensometer | |
| CN208419973U (en) | A kind of measuring tool of track installation adjustment | |
| CN102269561B (en) | Large-span machine tool guide rail parallelism measuring device and method | |
| CN206034213U (en) | Railway track skew measuring device | |
| CN102878911A (en) | Folium equivalent weight measuring device and method for measuring folium equivalent weight | |
| CN201297928Y (en) | Portable detection device for straightness accuracy of large-scale housing | |
| CN218723918U (en) | Device for measuring shrinkage of cement stabilized macadam material test piece with multiple sizes | |
| CN101831849B (en) | Multifunctional base template fine adjusting prism adapter | |
| CN110441401B (en) | Method and device for testing damping coefficient of additive manufacturing material structure | |
| CN103499259A (en) | 360-degree conductive pole mounting plate positioning ruler and positioning method | |
| CN103673998A (en) | Tool pedestal for detecting reference point through laser tracker | |
| CN202188829U (en) | Apparatus for measuring instrument height | |
| CN213238807U (en) | Auxiliary tool for measuring side line of track | |
| CN201828228U (en) | Minisize groove depth measuring device | |
| CN101975932B (en) | Method and device for measuring three-dimensional magnetic field space distribution of transcranial magnetic stimulation coil | |
| CN210862467U (en) | Beam deflection detection device | |
| CN207688885U (en) | Quickly measure the tool of verticality of steel column | |
| CN208780077U (en) | A kind of shaft length detection device | |
| CN210441817U (en) | Reading microscope detection clamp | |
| CN208952871U (en) | Test the device of polar post of lead acid batteries taper | |
| CN201269756Y (en) | Measurement positioning apparatus | |
| CN203785677U (en) | Tooling base for reference point detection of laser tracker | |
| CN205192398U (en) | Low dip formula comparator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |