CN202770731U - Measurement device of Lueer fluidity of pouring asphalt mixtures - Google Patents

Measurement device of Lueer fluidity of pouring asphalt mixtures Download PDF

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Publication number
CN202770731U
CN202770731U CN 201220487322 CN201220487322U CN202770731U CN 202770731 U CN202770731 U CN 202770731U CN 201220487322 CN201220487322 CN 201220487322 CN 201220487322 U CN201220487322 U CN 201220487322U CN 202770731 U CN202770731 U CN 202770731U
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CN
China
Prior art keywords
hammer
pouring asphalt
hole
fluidity
asphalt compound
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Expired - Fee Related
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CN 201220487322
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Chinese (zh)
Inventor
张久鹏
罗资军
石鑫
肖凯
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Changan University
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Changan University
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Priority to CN 201220487322 priority Critical patent/CN202770731U/en
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Publication of CN202770731U publication Critical patent/CN202770731U/en
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Abstract

The utility model discloses a measurement device of Lueer fluidity of pouring asphalt mixtures. The measurement device comprises a drying oven, a material cylinder containing pouring asphalt mixtures, a flowing hammer and a measurement control system, wherein the material cylinder is arranged in the drying oven, and a first through hole is arranged on an oven cover of the drying oven. The flowing hammer comprises a hammer body and a hammer rod, wherein a positioning hole is arranged on the hammer rod, and a positioning rod is arranged in the positioning hole. The measurement control system comprises a pressure sensor, a distance meter and a controller, wherein the pressure sensor is used for detecting contact signals of the falling hammer body and the pouring asphalt mixtures, the distance meter is used for detecting falling displacement of the flowing hammer, and the controller is used for receiving the contact signals output by the pressure sensor and displacement signals output by the distance meter. The distance meter is connected with the input end of the controller, the output end of the controller is connected with a displayer, the distance meter is arranged at the upper end of the hammer rod, and the pressure sensor is arranged at the lower end of the hammer body. The measurement device can accurately measure Lueer fluidity of pouring asphalt mixtures and can display specific values of Lueer fluidity.

Description

The measurement mechanism of pouring asphalt compound Liu Ai Er fluidity
Technical field
The utility model relates to a kind of measurement mechanism, particularly relates to a kind of measurement mechanism of pouring asphalt compound Liu Ai Er fluidity.
Background technology
In recent years, along with domestic its application of research to pouring asphalt concrete is also increasingly extensive.Present domestic Liu Ai Er fluidity with the pouring asphalt compound is estimated its flowability, and then weighs its construction workability.But, Liu Ai Er experiment instrument that uses now, its structure forms fairly simple, and experiment is carried out fully at ambient temperature, and the height that descends of the hammer that flows and required time are by artificial judgement.These are just so that the fluidity experiment is subjected to the impact of ambient temperature, can't the flowability of Measurement accuracy compound under a certain specific hot conditions, and the degree of accuracy of experimental result is subjected to the impact of artificial subjective factor larger simultaneously.These reasons have caused the measuring method of present Liu Ai Er fluidity can't measure exactly the flowability of pouring asphalt concrete under specific temperature conditions, both can't study the flowability of compound of specific bitumen aggregate ratio and the relation between the temperature variation.Therefore, in the urgent need to a kind of measurement mechanism, in order to can measure exactly the fluidity of pouring asphalt compound under specific temperature conditions, and then study exactly its construction workability.
The utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of measurement mechanism of pouring asphalt compound Liu Ai Er fluidity is provided.This measurement mechanism can accurately be measured Liu Ai Er fluidity of pouring asphalt compound, and the concrete numerical value of Liu Ai Er fluidity can be shown, it is simple in structure, easy to use, production cost is low, is convenient to promote the use of.
For achieving the above object, the technical solution adopted in the utility model is: the measurement mechanism of pouring asphalt compound Liu Ai Er fluidity, it is characterized in that: comprise baking oven, be loaded with the barrel of pouring asphalt compound and be arranged on baking oven interior mobile hammer and Measurement and Control System, described barrel is installed in the baking oven, the upper opening bottom sealing of described barrel, offer through hole one on the case lid of described baking oven, described mobile hammer comprises hammer body and the hammer stem that is connected with hammer body top, the upper end of described hammer stem is stretched out between the hole wall of through hole one and described hammer stem and through hole one and is had the gap, be provided with pilot hole on the described hammer stem, be fixed on the backstay of pouring asphalt compound top thereby be provided with the hammer that will flow of matching with described case lid in the described pilot hole; Described Measurement and Control System comprises when falling for detection of hammer body and the pressure transducer of pouring asphalt compound touching signal and for detection of the stadimeter of the hammer whereabouts displacement of flowing, and the touching signal and the displacement signal of stadimeter output and the controller that carries out timing that receive pressure transducer output, the input end of described stadimeter and controller joins, the output terminal of described controller is connected to display, described stadimeter is installed in the upper end of hammer stem, and described pressure transducer is installed in the lower end of hammer body.
The measurement mechanism of above-mentioned pouring asphalt compound Liu Ai Er fluidity, it is characterized in that: described Measurement and Control System also comprises relay, power supply, heating wire and for detection of the temperature sensor of oven interior temperature, input end and the temperature sensor of described controller join, output terminal and the relay of described controller join, described heating wire joins by relay and power supply, described temperature sensor is arranged on the inwall of baking oven, offer ventilating opening on the sidewall of described baking oven bottom, described heating wire is arranged in the ventilating opening, in the described ventilating opening and the arranged outside that is positioned at heating wire fan blower is arranged, described fan blower is serially connected in the current supply circuit of heating wire.
The measurement mechanism of above-mentioned pouring asphalt compound Liu Ai Er fluidity, it is characterized in that: in the described through hole one stopple is installed, offer through hole two on the described stopple, described hammer stem has the gap in through hole two and between the hole wall of described hammer stem and through hole two.
The measurement mechanism of above-mentioned pouring asphalt compound Liu Ai Er fluidity, it is characterized in that: described pressure transducer is strain pressure transducer.
The measurement mechanism of above-mentioned pouring asphalt compound Liu Ai Er fluidity, it is characterized in that: described stadimeter is laser range finder.
The measurement mechanism of above-mentioned pouring asphalt compound Liu Ai Er fluidity, it is characterized in that: described hammer body is up-small and down-big taper.
The utility model compared with prior art has the following advantages:
1, of the present utility model simple in structure, rationally novel in design, be easy to install.
2, when the utility model uses, hammer falls by flowing, after hammer body touches the pouring asphalt compound, pressure transducer can be touched signal with this and be transferred to controller, described controller begins timing and controls stadimeter and start working, controller can calculate according to the signal of stadimeter feedback the height that the hammer that flows descends, carry out simultaneously timing, timing stops automatically when the hammer falling head that flows reaches 50mm, the timing reading of reading at display this moment is Liu Ai Er fluidity of pouring asphalt compound, it is easy to use, can accurately measure Liu Ai Er fluidity of pouring asphalt compound, and the concrete numerical value of Liu Ai Er fluidity can be shown.
3, the utility model is by set temperature sensor and heating wire, can measure the fluidity of compound under condition of different temperatures, and then the rule that changes with the variation of temperature conditions of the fluidity that can roughly study this compound, and then the variation of cognitive compound fluidity when constructing at the scene is on the impact of construction workability.
4, the utility model can scatter the hot blast through electric-heating-wire-heating by by fan blower is set as early as possible in baking oven, has saved the time.
5, realization cost of the present utility model is low, and result of use is good, is convenient to promote the use of.
In sum, the utility model is simple in structure, and is rationally novel in design, functional reliability is high, and long service life can accurately be measured Liu Ai Er fluidity of pouring asphalt compound, and the concrete numerical value of Liu Ai Er fluidity can be shown, it is easy to use, production cost is low, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the front view that the utility model flows and hammers into shape.
Fig. 3 is the upward view that the utility model flows and hammers into shape.
Fig. 4 is the schematic block circuit diagram of the utility model Measurement and Control System.
Description of reference numerals:
1-baking oven; 1-1-case lid; 2-barrel;
3-stopple; 4-hammer flows; 4-1-hammer body;
4-2-hammer stem; 5-stadimeter; 6-backstay;
7-temperature sensor; 8-supporting leg; 9-heating wire;
10-ventilating opening; 11-fan blower; 12-pouring asphalt compound;
13-pilot hole; 14-pressure transducer; 15-controller;
16-display; 17-relay; 18-power supply.
Embodiment
Such as Fig. 1, Fig. 2, the measurement mechanism of Fig. 3 and a kind of pouring asphalt compound Liu Ai Er fluidity shown in Figure 4, comprise baking oven 1, be loaded with the barrel 2 and the mobile hammer 4 and the Measurement and Control System that are arranged in the baking oven 1 of pouring asphalt compound 12, described barrel 2 is installed in the baking oven 1, described barrel 2 is arranged on baking oven 1 diapire by supporting leg 8, the upper opening bottom sealing of described barrel 2, offer through hole one on the case lid 1-1 of described baking oven 1, described mobile hammer 4 comprises hammer body 4-1 and the hammer stem 4-2 that is connected with hammer body 4-1 top, the upper end of described hammer stem 4-2 is stretched out between the hole wall of through hole one and described hammer stem 4-2 and through hole one and is had the gap, be provided with pilot hole 13 on the described hammer stem 4-2, be fixed on the backstay 6 of pouring asphalt compound 12 tops thereby be provided with the hammer 4 that will flow of matching with described case lid 1-1 in the described pilot hole 13; Described Measurement and Control System comprises when falling for detection of hammer body 4-1 and the pressure transducer 14 of pouring asphalt compound 12 touching signals and for detection of the stadimeter 5 of the hammer 4 whereabouts displacements of flowing, and the touching signal and the displacement signal of stadimeter 5 outputs and the controller 15 that carries out timing that receive pressure transducer 14 outputs, described stadimeter 5 joins with the input end of controller 15, the output terminal of described controller 15 is connected to display 16, described stadimeter 5 is installed in the upper end of hammer stem 4-2, and described pressure transducer 14 is installed in the lower end of hammer body 4-1.
In conjunction with Fig. 1 and shown in Figure 4, described Measurement and Control System also comprises relay 17, power supply 18, heating wire 9 and for detection of the temperature sensor 7 of baking oven 1 internal temperature, the input end of described controller 15 and temperature sensor 7 join, the output terminal of described controller 15 and relay 17 join, described heating wire 9 joins by relay 17 and power supply 18, described temperature sensor 7 is arranged on the inwall of baking oven 1, offer ventilating opening 10 on the sidewall of described baking oven 1 bottom, described heating wire 9 is arranged in the ventilating opening 10.In the described ventilating opening 10 and the arranged outside that is positioned at heating wire 9 fan blower 11 is arranged, described fan blower 11 is serially connected in the current supply circuit of heating wire 9.By set temperature sensor 7 and heating wire 9, can measure the fluidity of compound under condition of different temperatures, and then the rule that changes with the variation of temperature conditions of the fluidity that can roughly study this compound, and then the variation of cognitive compound fluidity when constructing at the scene is on the impact of construction workability.By fan blower 11 is set the hot blast through heating wire 9 heating can be scattered as early as possible in baking oven 1.
As shown in Figure 1, in the described through hole one stopple 3 is installed, offers through hole two on the described stopple 3, described hammer stem 4-2 has the gap in through hole two and between the hole wall of described hammer stem 4-2 and through hole two.
The utility model is used for measuring Liu Ai Er fluidity of pouring asphalt compound, and weight is object vertical used time of decline 50mm in material of 1000g to be called " Liu Ai Er fluidity ".During use, set the temperature of baking oven 1 by controller 15 according to measurement target, carry out preheating, be that controller 15 connects heating wire 9 and power supply 18 by relay 17, after baking oven 1 internal temperature reaches predetermined temperature and stablizes, the pouring asphalt compound 12 that mixes the in right amount barrel along barrel 2 is injected, then barrel 2 is put into baking oven 1, case lid 1-1 closes.Then load onto stadimeter 5 on the top of the hammer 4 hammer stem 4-2 that flow, and stadimeter 5 is connected with controller 15.Then pull out backstay 6, described mobile hammer 4, the general assembly (TW) of pressure transducer 14 and stadimeter 5 is 1000g, described mobile hammer 4 falls, after hammer body 4-1 touches pouring asphalt compound 12, pressure transducer 14 can be transferred to controller 15 with this touching signal, described controller 15 beginning timing are also controlled stadimeter 5 and are started working, controller 15 can calculate according to the signal of stadimeter 5 feedbacks the height that the hammer 4 that flows descends, carry out simultaneously timing, timing stops automatically when hammer 4 falling heads that flow reach 50mm, and the timing reading of reading at display 16 this moment is Liu Ai Er fluidity of pouring asphalt compound.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment does, all still belong in the protection domain of technical solutions of the utility model.

Claims (6)

1. the measurement mechanism of pouring asphalt compound Liu Ai Er fluidity, it is characterized in that: comprise baking oven (1), be loaded with the barrel (2) of pouring asphalt compound (12) and be arranged on baking oven (1) interior mobile hammer (4) and Measurement and Control System, described barrel (2) is installed in the baking oven (1), the upper opening bottom sealing of described barrel (2), offer through hole one on the case lid (1-1) of described baking oven (1), described mobile hammer (4) comprises hammer body (4-1) and the hammer stem (4-2) that is connected with hammer body (4-1) top, the upper end of described hammer stem (4-2) is stretched out between the hole wall of through hole one and described hammer stem (4-2) and through hole one and is had the gap, be provided with pilot hole (13) on the described hammer stem (4-2), be provided with in the described pilot hole (13) with described case lid (1-1) thus the hammer (4) that will flow of matching is fixed on the backstay (6) of pouring asphalt compound (12) top; Described Measurement and Control System comprises when falling for detection of hammer body (4-1) and the pressure transducer (14) of pouring asphalt compound (12) touching signal and for detection of the stadimeter (5) of hammer (4) the whereabouts displacement of flowing, and the touching signal and the displacement signal of stadimeter (5) output and the controller (15) that carries out timing that receive pressure transducer (14) output, described stadimeter (5) joins with the input end of controller (15), the output terminal of described controller (15) is connected to display (16), described stadimeter (5) is installed in the upper end of hammer stem (4-2), and described pressure transducer (14) is installed in the lower end of hammer body (4-1).
2. the measurement mechanism of pouring asphalt compound Liu Ai Er fluidity according to claim 1, it is characterized in that: described Measurement and Control System also comprises relay (17), power supply (18), heating wire (9) and for detection of the temperature sensor (7) of baking oven (1) internal temperature, the input end of described controller (15) and temperature sensor (7) join, the output terminal of described controller (15) and relay (17) join, described heating wire (9) joins by relay (17) and power supply (18), described temperature sensor (7) is arranged on the inwall of baking oven (1), offer ventilating opening (10) on the sidewall of described baking oven (1) bottom, described heating wire (9) is arranged in the ventilating opening (10), in the described ventilating opening (10) and the arranged outside that is positioned at heating wire (9) fan blower (11) is arranged, described fan blower (11) is serially connected in the current supply circuit of heating wire (9).
3. the measurement mechanism of pouring asphalt compound Liu Ai Er fluidity according to claim 2, it is characterized in that: stopple (3) is installed in the described through hole one, described stopple offers through hole two on (3), and described hammer stem (4-2) is positioned between the hole wall of through hole two and described hammer stem (4-2) and through hole two and has the gap.
4. the measurement mechanism of pouring asphalt compound Liu Ai Er fluidity according to claim 1, it is characterized in that: described pressure transducer (14) is strain pressure transducer.
5. the measurement mechanism of pouring asphalt compound Liu Ai Er fluidity according to claim 1, it is characterized in that: described stadimeter (5) is laser range finder.
6. the measurement mechanism of pouring asphalt compound Liu Ai Er fluidity according to claim 1, it is characterized in that: described hammer body (4-1) is up-small and down-big taper.
CN 201220487322 2012-09-23 2012-09-23 Measurement device of Lueer fluidity of pouring asphalt mixtures Expired - Fee Related CN202770731U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220487322 CN202770731U (en) 2012-09-23 2012-09-23 Measurement device of Lueer fluidity of pouring asphalt mixtures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220487322 CN202770731U (en) 2012-09-23 2012-09-23 Measurement device of Lueer fluidity of pouring asphalt mixtures

Publications (1)

Publication Number Publication Date
CN202770731U true CN202770731U (en) 2013-03-06

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CN 201220487322 Expired - Fee Related CN202770731U (en) 2012-09-23 2012-09-23 Measurement device of Lueer fluidity of pouring asphalt mixtures

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107128644A (en) * 2016-02-29 2017-09-05 王腊俊 A kind of scraper reclaimer claw with digital display humidity of materials and temperature function
CN113433034A (en) * 2021-06-28 2021-09-24 南京林业大学 Pouring type asphalt mixture temperature induction fluidity tester
CN113804588A (en) * 2021-09-15 2021-12-17 四川济通工程试验检测有限公司 Full-automatic liu eels degree of flow survey device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107128644A (en) * 2016-02-29 2017-09-05 王腊俊 A kind of scraper reclaimer claw with digital display humidity of materials and temperature function
CN113433034A (en) * 2021-06-28 2021-09-24 南京林业大学 Pouring type asphalt mixture temperature induction fluidity tester
CN113433034B (en) * 2021-06-28 2022-07-01 南京林业大学 Pouring type asphalt mixture temperature induction fluidity tester
CN113804588A (en) * 2021-09-15 2021-12-17 四川济通工程试验检测有限公司 Full-automatic liu eels degree of flow survey device
CN113804588B (en) * 2021-09-15 2024-04-09 四川济通工程试验检测有限公司 Full-automatic Liu Aier fluidity measuring device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130306

Termination date: 20150923

EXPY Termination of patent right or utility model