CN213986394U - Testing arrangement of inorganic binder stabilized material drying shrinkage performance - Google Patents

Testing arrangement of inorganic binder stabilized material drying shrinkage performance Download PDF

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Publication number
CN213986394U
CN213986394U CN202023082396.9U CN202023082396U CN213986394U CN 213986394 U CN213986394 U CN 213986394U CN 202023082396 U CN202023082396 U CN 202023082396U CN 213986394 U CN213986394 U CN 213986394U
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laser sensor
triangular laser
inorganic binder
bottom plate
drying shrinkage
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刘聪聪
张硕
肖晶晶
张博文
张双娇
刘瑶涵
赵福南
侯玉凯
白灵强
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Changan University
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Changan University
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Abstract

The utility model discloses a testing device for the drying shrinkage performance of inorganic binder stabilizing materials, which comprises a bottom plate, wherein the upper end surface of the bottom plate is provided with at least one pair of triangular laser sensors, each pair of triangular laser sensors comprises a first triangular laser sensor and a second triangular laser sensor, the first triangular laser sensor and the second triangular laser sensor are just opposite to each other, and the first triangular laser sensor and the second triangular laser sensor are respectively connected with a computer; at least two glass rods are arranged on the upper end face of the bottom plate in parallel and are positioned between the first triangular laser sensor and the second triangular laser sensor, test pieces of inorganic binder stabilizing materials are arranged on the at least two glass rods, and the at least two glass rods can roll on the bottom plate; the bottom plate is also provided with a dry shrinkage cover, and the at least two glass rods, the first triangular laser sensor and the second triangular laser sensor are all positioned in the dry shrinkage cover. The utility model discloses and can accurate survey inorganic binder stabilized material drying shrinkage performance.

Description

Testing arrangement of inorganic binder stabilized material drying shrinkage performance
Technical Field
The utility model relates to an inorganic binder stabilized material drying shrinkage capability test technical field, concretely relates to testing arrangement of inorganic binder stabilized material drying shrinkage capability.
Background
The inorganic binder stabilizing material is a mixture obtained by mixing a certain amount of inorganic binders such as cement, lime and the like or other curing agents into various crushed and originally loose soil or crushed (gravel) stones and adding water for mixing. After mixing, paving, compacting and maintaining, the composite material has certain strength, stability and plate body property, and can be used as a base layer and a subbase layer or a cushion layer of a pavement structure.
The measurement of the drying shrinkage performance of the inorganic binder stabilizing material is mainly carried out according to a T0854-2009 method specified in Highway engineering inorganic binder stabilizing material test regulations (JTJ E51-2009), when the measurement is carried out, a glass rod is ensured to normally roll on the bottom plate surface of a shrinking instrument, the sensitivity and the direction turning of a dial indicator are carefully checked, and the end part of a test piece needs to be properly treated before a glass slide is attached. For a test piece with a large end gap, before curing, the cement mortar with the same mixing ratio as the test piece is adopted to smooth the gap and cure the test piece. When the glass slide is pasted, glue is uniformly smeared on the glass slide, the glass slide is adhered to the end part of the test piece opposite to the dial gauge head, the complete contact between the glass slide and the end part of the test piece is ensured, and after the press is slightly pressed for several seconds, subsequent work is carried out after the glass slide and the end part of the test piece are firmly bonded. According to the method, before the test, the sensitivity of the pointer of the dial indicator needs to be checked, the trend of the pointer when the test piece shrinks needs to be judged, and manual reading is needed, so that the measurement work is complicated, and the result is inaccurate.
Disclosure of Invention
The defect or not enough to current inorganic binder stabilizing material shrinkage capability test device existence, the utility model provides a testing arrangement of inorganic binder stabilizing material shrinkage capability, convenient operation just can the accurate inorganic binder stabilizing material shrinkage capability of survey.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
the device for testing the drying shrinkage performance of the inorganic binder stabilizing material comprises a bottom plate, wherein at least one pair of triangular laser sensors is arranged on the upper end surface of the bottom plate, each pair of triangular laser sensors comprises a first triangular laser sensor and a second triangular laser sensor, the first triangular laser sensor and the second triangular laser sensor are arranged oppositely, and the first triangular laser sensor and the second triangular laser sensor are respectively connected with a computer; at least two glass rods are arranged on the upper end face of the bottom plate in parallel, are positioned between the first triangular laser sensor and the second triangular laser sensor, are used for placing inorganic binder stabilizing material test pieces and can roll on the bottom plate; the bottom plate is further provided with a dry shrinkage cover, and the at least two glass rods, the first triangular laser sensor and the second triangular laser sensor are located in the dry shrinkage cover.
Furthermore, a humidity regulator is further arranged in the drying hood and connected with the computer.
Further, still be provided with humidity transducer in the cover that contracts futilely, humidity transducer with the computer is connected.
Furthermore, a temperature regulator is also arranged in the dry shrinkage cover and is connected with the computer.
Further, still be provided with temperature sensor in the cover that contracts futilely, temperature sensor with the computer is connected.
Further, the first triangular laser sensor and the second triangular laser sensor are AR200-6M sensors.
Furthermore, two clamping grooves are formed in the upper end face of the bottom plate in a right-to-right mode, and the bottom of the dry shrinkage cover is connected with the bottom plate in a clamping mode through the clamping grooves.
Compared with the prior art, the utility model discloses following beneficial effect has at least: the utility model relates to a testing device for the dry shrinkage performance of an inorganic binder stabilizing material, which adopts a laser triangular sensor which is just opposite to the setting to test the dry shrinkage of a test piece, and during the test, the test piece of the inorganic binder stabilizing material is placed on a glass rod on a bottom plate, so that the friction between the test piece and the bottom plate is reduced when the test piece shrinks; when inorganic binder stabilized material test piece shrinkages, the shrinkage can be accurately surveyed to laser triangulation sensor, then will survey the numerical value of getting and show through the computer, saved the loaded down with trivial details work of adjusting the amesdial before the test, can directly obtain the data that wants from the computer, reduced the error of artificial reading, will dry shrink cover and bottom plate be in the same place for it is more simple and convenient to operate, finally makes the test more swift, accurate.
Further, still be provided with humidity controller in the cover that contracts futilely, humidity controller is connected with the computer, adjust the humidity in the cover that contracts futilely through humidity controller, utilize humidity transducer to implement the humidity in the monitoring cover that contracts futilely, and feed back the monitoring result to the computer, the computer is compared with predetermined humidity threshold value according to the humidity value of receiving, control humidity controller adjusts the humidity in the cover that contracts futilely, make the environment that inorganic binder stabilized material test piece is located satisfy the test requirement, ensure more accurate measuring result.
Further, still be provided with temperature regulator in the cover that contracts futilely, temperature regulator is connected with the computer, through the temperature in the temperature regulator regulation cover that contracts futilely, utilize temperature sensor to implement the temperature in the monitoring cover that contracts futilely to feed back the monitoring result to the computer, the computer is compared with predetermined temperature threshold value according to the temperature value of receiving, control temperature regulator adjusts the temperature in the cover that contracts futilely, make the environment that inorganic binder stabilized material test piece is located satisfy the test requirement, ensure more accurate measuring result.
Furthermore, the upper end face of the bottom plate is just opposite to the two clamping grooves, the bottom of the dry shrinkage cover is connected with the bottom plate in a clamping mode through the clamping grooves, and the dry shrinkage cover is convenient to install and detach and simple in structure.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a device for testing the drying shrinkage performance of an inorganic binder stabilizing material according to the present invention;
FIG. 2 is a schematic structural diagram of a bottom plate of the device for testing the drying shrinkage performance of the inorganic binder stabilizing material of the present invention;
fig. 3 is a schematic structural diagram of a drying shrinkage cover of the device for testing the drying shrinkage performance of the inorganic binder stabilizing material of the present invention;
1-a bottom plate; 101-a card slot; 2-drying and shrinking a cover; 3-a glass rod; 4-a first triangular laser sensor; 5-a second triangular laser sensor; 6-a computer; 7-a humidity regulator; 8-a temperature regulator; 9-a humidity sensor; 10-a temperature sensor; 11-connecting line.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the utility model relates to a testing arrangement of inorganic binder stabilized material drying shrinkage performance, including bottom plate 1, the up end of bottom plate 1 is provided with at least a pair of triangle laser sensor, in this embodiment, the up end of bottom plate 1 is fixed with 3 pairs of triangle laser sensor, and adjacent two pairs of triangle laser sensor's interval is the same, and every pair of triangle laser sensor includes first triangle laser sensor 4 and second triangle laser sensor 5, and every pair of first triangle laser sensor 4 and second triangle laser sensor 5 to triangle laser sensor is just to setting up, and first triangle laser sensor 4 and second triangle laser sensor 5 are connected with computer 6 respectively. The first triangular laser sensor 4 and the second triangular laser sensor 5 are AR200-6M sensors produced by Schmitt measuring system Limited in the United states.
As shown in fig. 1, at least two glass rods 3 are further placed on the upper end surface of the bottom plate 1 in parallel, the at least two glass rods 3 are located between the first triangular laser sensor 4 and the second triangular laser sensor 5, the at least two glass rods 3 are used for placing inorganic binder stabilizing material test pieces, and the at least two glass rods 3 can roll on the bottom plate 1. That is to say, when testing, the inorganic binder stabilizing material test piece that will await measuring is placed on two piece at least glass sticks 3, and when the inorganic binder stabilizing material test piece that awaits measuring shrank, the friction between test piece and the bottom plate can be reduced greatly to the roll of glass stick 3 for test result accuracy more. In the present embodiment, two glass rods 3 are placed in parallel on the upper end surface of the base plate 1.
As shown in fig. 1, 2 and 3, the bottom plate 1 is further provided with a dry shrinkage cover 2, specifically, the upper end surface of the bottom plate 1 is provided with two clamping grooves 101, and the bottom of the dry shrinkage cover 2 is connected with the bottom plate 1 in a clamping manner through the clamping grooves 101, so that the dry shrinkage cover 2 is convenient to mount and dismount, and the structure is simple. At least two glass rods 3, a first triangular laser sensor 4 and a second triangular laser sensor 5 are all positioned in the drying shrinkage hood 2.
In addition to the above embodiments, as shown in fig. 1, it is preferable that a humidity regulator 7 is further provided in the hood 2, the humidity regulator 7 is connected to the computer 6, and the humidity regulator 7 is used for regulating the humidity in the hood 2; preferably, still be provided with humidity transducer 9 in the cover 2 that contracts futilely, humidity transducer 9 is connected with computer 6, humidity transducer 9 implements the humidity in the monitoring cover 2 that contracts futilely to give the computer 6 with the monitoring result feedback, computer 6 is compared with predetermined humidity threshold value according to the humidity value of receiving, and control humidity regulator 7 adjusts the humidity in the cover 2 that contracts futilely, makes the environment that inorganic binder stabilized material test piece is located satisfy the test requirement, ensures more accurate measuring result.
In addition to the above embodiments, preferably, as shown in fig. 1, a temperature regulator 8 is further disposed in the dry shrink hood 2, the temperature regulator 8 is connected to the computer 6, and the temperature regulator 8 is used for regulating the temperature in the dry shrink hood 2; preferably, still be provided with temperature sensor 10 in the cover 2 that contracts futilely, temperature sensor 10 is connected with computer 6, and temperature sensor 10 implements the temperature in the monitoring cover 2 that contracts futilely to feed back the monitoring result to computer 6, computer 6 is compared with preset temperature threshold according to the temperature value of receiving, and control temperature regulator 8 adjusts the temperature in the cover 2 that contracts futilely, makes the environment that inorganic binder stabilized material test piece is located satisfy the test requirement, ensures more accurate measuring result.
The first triangular laser sensor 4, the second triangular laser sensor 5, the humidity regulator 7, the temperature regulator 8, the humidity sensor 9 and the temperature sensor 10 are connected with the computer 6 through a connecting wire 11.
The utility model discloses a testing arrangement's application method does:
(1) after the inorganic binder stable material test piece is molded and maintained for 7 days at standard temperature and humidity, wiping the surface of the test piece saturated with water, repeatedly measuring the length of the test piece for three times by using a vernier caliper, and taking the arithmetic average value as a measurement result;
(2) placing the test piece on the glass rod 3 coated with the lubricant on the base plate 1, so that the friction between the test piece and the base plate 1 is reduced when the test piece contracts;
(3) the dry shrinkage cover 2 is connected with the bottom plate 1 through a clamping groove 101Together, the humidity and the temperature in the air-drying hood 2 are adjusted through a humidity adjuster 7 and a temperature adjuster 8, starting values of six laser triangular sensors are recorded when the temperature and the humidity in the air-drying hood 2 meet requirements, a calculation method is described by taking data of a first triangular laser sensor 4 and a second triangular laser sensor 5 as an example, and the starting values of the first triangular laser sensor 4 and the second triangular laser sensor 5 are respectively recorded as S1.0And S2.0
(4) At regular intervals of time, the first and second triangular laser sensors 4, 5 are read from the time when the measurement conditions are satisfied, and the displacement values S of the first and second triangular laser sensors 4, 5 are recorded1.1And S2.1The dry shrinkage of the test piece in this time period is then: (S) ═ S1.1+S2.1)-(S1.0+S2.0)。
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (7)

1. The device for testing the drying shrinkage performance of the inorganic binder stabilizing material is characterized by comprising a bottom plate (1), wherein at least one pair of triangular laser sensors are arranged on the upper end surface of the bottom plate (1), each pair of triangular laser sensors comprises a first triangular laser sensor (4) and a second triangular laser sensor (5), the first triangular laser sensor (4) and the second triangular laser sensor (5) are arranged oppositely, and the first triangular laser sensor (4) and the second triangular laser sensor (5) are respectively connected with a computer (6); at least two glass rods (3) are further placed on the upper end face of the bottom plate (1) in parallel, the at least two glass rods (3) are located between the first triangular laser sensor (4) and the second triangular laser sensor (5), test pieces of inorganic binder stabilizing materials are placed on the at least two glass rods (3), and the at least two glass rods (3) can roll on the bottom plate (1); still be provided with dry shrink cover (2) on bottom plate (1), two piece at least glass stick (3) first triangle laser sensor (4) and second triangle laser sensor (5) all are located in dry shrink cover (2).
2. The apparatus for testing the drying shrinkage performance of inorganic binder stabilizing material according to claim 1, wherein a humidity regulator (7) is further disposed in the drying hood (2), and the humidity regulator (7) is connected to the computer (6).
3. The apparatus for testing the drying shrinkage performance of the inorganic binder stabilizing material according to claim 2, wherein a humidity sensor (9) is further arranged in the drying shrinkage hood (2), and the humidity sensor (9) is connected with the computer (6).
4. The apparatus for testing the drying shrinkage performance of an inorganic binder stabilizing material according to claim 1, wherein a temperature regulator (8) is further arranged in the drying shrinkage hood (2), and the temperature regulator (8) is connected with the computer (6).
5. The apparatus for testing the drying shrinkage performance of an inorganic binder stabilizing material according to claim 4, wherein a temperature sensor (10) is further arranged in the drying shrinkage hood (2), and the temperature sensor (10) is connected with the computer (6).
6. The apparatus for testing the drying shrinkage performance of an inorganic binder stabilizing material according to claim 1, wherein the first triangular laser sensor (4) and the second triangular laser sensor (5) are AR200-6M sensors.
7. The device for testing the drying shrinkage performance of the inorganic binder stabilizing material as claimed in claim 1, wherein two slots (101) are formed on the upper end surface of the bottom plate (1), and the bottom of the drying shrinkage cover (2) is connected with the bottom plate (1) in a clamping manner through the slots (101).
CN202023082396.9U 2020-12-18 2020-12-18 Testing arrangement of inorganic binder stabilized material drying shrinkage performance Active CN213986394U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117388366A (en) * 2023-12-11 2024-01-12 国网浙江省电力有限公司宁波供电公司 Laser positioning device for power transmission line detection

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117388366A (en) * 2023-12-11 2024-01-12 国网浙江省电力有限公司宁波供电公司 Laser positioning device for power transmission line detection
CN117388366B (en) * 2023-12-11 2024-04-09 国网浙江省电力有限公司宁波供电公司 Laser positioning device for power transmission line detection

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