CN103604735A - Asphalt mixture water seepage tester - Google Patents

Asphalt mixture water seepage tester Download PDF

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Publication number
CN103604735A
CN103604735A CN201310641588.4A CN201310641588A CN103604735A CN 103604735 A CN103604735 A CN 103604735A CN 201310641588 A CN201310641588 A CN 201310641588A CN 103604735 A CN103604735 A CN 103604735A
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China
Prior art keywords
compression cylinder
test specimen
stationary installation
piston compression
follower gear
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Granted
Application number
CN201310641588.4A
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CN103604735B (en
Inventor
李锐铎
张永存
朱存贞
王啸啸
李利勤
于全臣
郑中选
王志刚
崔亚丽
宋新生
史乐君
李荣荣
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Henan University of Urban Construction
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Henan University of Urban Construction
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Abstract

The invention relates to an asphalt mixture water seepage tester comprising a pedestal, a fixed frame and a lifting platform and also provided with a specimen lower fixing device, a sleeve cylinder, a specimen upper fixing device and a piston compression cylinder. The lower part of the piston compression cylinder is provided with an intelligent electronic water meter, the outside of the piston compression cylinder is sheevedly provided with a water tank, and the right upward side of the piston compression cylinder is correspondingly provided with a piston device; the piston device is driven through a motor and a wheel gear chain transmission device, and can perform up-and-down reciprocating motion in an inner cavity of the piston compression cylinder. By adopting the above structure, the asphalt mixture water seepage tester not only can achieve variable water head measurement and constant water head measurement under a hydrostatic pressure but also can achieve water seepage coefficient measurement under a hydrodynamic pressure, thereby greatly satisfying practical measurement requirements under different conditions, and having good economic benefits and wide application prospects.

Description

Asphalt seepage tester
Technical field
The present invention relates to a kind of asphalt seepage tester.
Background technology
In current highway engineering shop experiment and work progress, be mainly by asphalt seepage tester, the infiltration coefficient of asphalt to be detected, with this, evaluate the compaction rate of asphalt.But, existing water creep appearance exists many-sided technological deficiency, show as water pressure non-constant and for static pressure more, and leakproofness is bad, constant head or the varying head that often can only realize under hydrostatic pressing are measured, therefore, conventional asphalt seepage tester is difficult to meet the different technical requirements in actual measurement.
Summary of the invention
For overcoming above the deficiencies in the prior art, the technical problem to be solved in the present invention is to provide a kind of varying head that can realize under hydrostatic pressing and measures and constant head measurement, can realize again the asphalt seepage tester that the infiltration coefficient under moving hydraulic pressure is measured, thereby greatly meet the actual measurement demand under different situations.
Technical scheme of the present invention is:
A kind of asphalt seepage tester, comprise base and be located at the fixed frame on base, on base, be also provided with hoistable platform, described hoistable platform carries out height by spiral device and regulates, on described hoistable platform, be upwards provided with successively stationary installation under test specimen, sleeve, stationary installation and piston compression cylinder on test specimen, and on described test specimen, under stationary installation and test specimen, stationary installation is bolted, described sleeve is positioned on test specimen under stationary installation and test specimen between stationary installation by pickup groove, and the inner chamber of described sleeve is communicated with the inner chamber of described piston compression cylinder, under described test specimen, stationary installation bottom is also provided with downward flowing water mouth.The bottom of described piston compression cylinder is provided with smart electronics water meter, smart electronics water meter is provided with first valve that is threaded, the outside of described piston compression cylinder is also overlapped tank, the side wall upper part of described tank is provided with overflow vent, and tank is communicated with the inner chamber of described piston compression cylinder by first valve that is threaded.Directly over described piston compression cylinder, also correspondence is provided with piston apparatus, described piston apparatus is provided with second valve that is threaded, motor is also installed on described base, this asphalt seepage tester also comprises the chain gearing being connected with described fixed frame, and described motor is connected with piston apparatus by described chain gearing, when actuating motor, piston apparatus pumps in the inner chamber of described piston compression cylinder by the drive of chain gearing.
Above-mentioned asphalt seepage tester, wherein chain gearing comprises gear, chain, rotating shaft and fixed bar, described gear comprises driving gear, the first follower gear, the second follower gear and the 3rd follower gear, wherein driving gear is connected with the output shaft of described motor, the first follower gear is connected with driving gear through chain, and the first follower gear is connected with the rotating shaft of being located at described fixed frame top again, described the second follower gear is located in rotating shaft, described the 3rd follower gear is positioned at the second follower gear below and is connected with fixed frame by fixed bar, and the 3rd follower gear and the engagement of the second follower gear, described piston apparatus is connected with the non-home position of described the 3rd follower gear end face.
Above-mentioned asphalt seepage tester, also comprise terminal console, magnet and magnetic induction receiver, terminal console is located in described base, magnet is located at the top of described piston apparatus, magnetic induction receiver is fixed in described rotating shaft and is corresponding up and down with the position of described magnet, hydraulic pressure sensor is located at piston compression cylinder bottom, at tank place, is also provided with volume markings table.
Above-mentioned asphalt seepage tester, also comprises for sealing the sound-muffling box of described chain gearing.
Above-mentioned asphalt seepage tester is wherein also provided with bayonet socket on described fixed frame, and under described test specimen, on stationary installation or test specimen, stationary installation is adjustable being fixedly connected with by bayonet socket and described fixed frame.
Above-mentioned asphalt seepage tester, also comprises locating ring.
The invention has the beneficial effects as follows: by designed the piston apparatus being driven by motor and chain gearing in said structure, and coordinate stationary installation under corresponding test specimen, sleeve, stationary installation on test specimen, the structures such as piston compression cylinder and tank, the varying head that the present invention can be realized under hydrostatic pressing is measured and constant head measurement, can realize again the measurement to infiltration coefficient under moving hydraulic pressure, and simple in structure, good seal performance, can meet widely the actual measurement demand under different situations, there is good economic benefit, stronger practical value and wide application market.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is the structural representation of asphalt seepage tester;
Fig. 2 is the upper and lower stationary installation of the test specimen of asphalt seepage tester and test specimen mounting structure schematic diagram;
Fig. 3 is piston compression cylinder and the sink structure schematic diagram of asphalt seepage tester.
In figure: base 1, fixed frame 2, hoistable platform 3, under test specimen, stationary installation 4, sleeve 5, on test specimen, stationary installation 6, piston compression cylinder 7, flowing water mouth 8, smart electronics water meter 9, tank 10, overflow vent 11, piston apparatus 12, motor 13, driving gear 14, the first follower gear 15, the second follower gears 16, the 3rd follower gear 17, chain 18, rotating shaft 19, fixed bar 20, bayonet socket 21, locating ring 22, test specimen 23, hydraulic pressure sensor 24.
Embodiment
Referring to figs. 1 through Fig. 3, a kind of asphalt seepage tester comprises base 1 and is located at the fixed frame 2 on base 1, on base 1, be also provided with hoistable platform 3, hoistable platform 3 carries out height by spiral device and regulates, on hoistable platform 3, be upwards provided with successively stationary installation 4 under test specimen, sleeve 5, stationary installation 6 and piston compression cylinder 7 on test specimen, and on test specimen, under stationary installation 6 and test specimen, stationary installation 4 is bolted, sleeve 5 is positioned on test specimen under stationary installation 6 and test specimen between stationary installation 4 by pickup groove, and the inner chamber of sleeve 5 is communicated with the inner chamber of piston compression cylinder 7, under test specimen, stationary installation 4 bottoms are also provided with downward flowing water mouth 8, the bottom of piston compression cylinder 7 is provided with smart electronics water meter 9, smart electronics water meter 9 is provided with first valve that is threaded, the outside of piston compression cylinder 7 is also overlapped tank 10, the side wall upper part of tank 10 is provided with overflow vent 11, and tank 10 is communicated with the inner chamber of piston compression cylinder 7 by first valve that is threaded, directly over piston compression cylinder 7, also correspondence is provided with piston apparatus 12, piston apparatus 12 is provided with second valve that is threaded, motor 13 is also installed on base 1, this asphalt seepage tester also comprises the chain gearing being connected with fixed frame 2, and motor 13 is connected with piston apparatus 12 by chain gearing, when actuating motor 13, piston apparatus 12 pumps in the inner chamber of described piston compression cylinder 7 by the drive of chain gearing.
For above-mentioned asphalt seepage tester, chain gearing wherein comprises gear, chain 18, rotating shaft 19 and fixed bar 20, gear comprises driving gear 14, the first follower gear 15, the second follower gear 16 and the 3rd follower gear 17, wherein driving gear 14 is connected with the output shaft of motor 13, the first follower gear 15 is connected with driving gear 14 through chain 18, and the first follower gear 15 is connected with the rotating shaft 19 of being located at fixed frame 2 tops again, the second follower gear 16 is located in rotating shaft 19, the 3rd follower gear 17 is positioned at the second follower gear 16 belows and is connected with fixed frame 2 by fixed bar 20, and the 3rd follower gear 17 and the second follower gear 16 engagements, piston apparatus 12 is connected with the non-home position of the 3rd follower gear 17 end faces.
Above-mentioned asphalt seepage tester, wherein on described fixed frame 2, also can be provided with bayonet socket 21, under described test specimen, on stationary installation 4 or test specimen, stationary installation 6 is adjustable being fixedly connected with by bayonet socket 21 with described fixed frame 2, to realize its effectively fixing when working, prevent from significantly rocking.
As further preferred, above-mentioned asphalt seepage tester, also comprise terminal console, magnet and magnetic induction receiver and hydraulic pressure sensor, terminal console is located in base 1, magnet is located at the top of described piston apparatus 12, magnetic induction receiver is fixed in rotating shaft 19 and is corresponding up and down with the position of magnet, and hydraulic pressure sensor 24 is located at piston compression cylinder bottom, and at tank, 10 places are also provided with volume markings table.The frequency that the frequency of magnetic-inductive device timing and smart electronics water meter make zero can regulate by terminal console.
For said structure, under different situations, the detailed process of infiltration process being carried out to actual measurement is:
1. the infiltration coefficient under hydrostatic pressing
(1) marshal piece or bituminous pavement are got under the test specimen that core test specimen is first fixed on this asphalt seepage tester in stationary installation 4, select suitable locating ring 22, then locating ring 22 is placed on test specimen 23, enough fillings are carried out to plasticine or other consolidating material in locating ring 22 outsides, then stationary installation 4 under stationary installation on test specimen 6 and test specimen is fixed by bolt tightening, make between stationary installation 6 and the upper surface of test specimen 23, fully to be sealed on test specimen; (2) rotate hoistable platform 3, make it arrive suitable height, then with bayonet socket 21, oppositely block on test specimen stationary installation under stationary installation 6, test specimen 4 screw rod between the two, then regulate again hoistable platform 3, above-mentioned movable fixture is fixed on hoistable platform 3; (3) when carrying out constant head test, first of the smart electronics water meter 9 places valve open that is threaded, second of piston apparatus 12 valve open that is threaded, piston apparatus 12 rises to the position that exceeds tank 10, from the position of tank 10, adds fast water, until overflow vent 11 continues to have unnecessary water to flow out, during topped up with water, start timing, the water yield that recorded stream is entered and time, in process of the test, keep having unnecessary water to overflow in tank, until experiment finishes always.Smart electronics water meter 9 can show each discharge constantly, according to the flow through direction of smart electronics water meter of current, show positive and negative reading, and unnecessary water can flow out by overflow vent 11, words in conjunction with terminal console, just can calculate each infiltration coefficient constantly, and on its main display panel the relation curve of rise time and water percolating capacity; (4) when carrying out varying head test, compare to step (3) with abovementioned steps (1), unique difference is to stop adding water after tank 10 topped up with water, and starts at this moment timing, and other is identical to step (3) with step (1).
2. move the infiltration coefficient under hydraulic pressure
First repeat constant head test step (1) to step (3), when the water percolating capacity of unit interval tends towards stability, second of piston apparatus 12 valve closing that is threaded, actuating motor 13, drive piston to start to pump, water in piston compression cylinder 7 is periodically compressed, impel current mainly between piston compression cylinder 7 and tank 10, to flow, can move water penetration test and the measurement under hydraulic pressure with this understanding.If in conjunction with devices such as terminal console, magnet and magnetic induction receivers, when piston apparatus 12 moves to lowest part, magnetic-inductive device receives corresponding signal and starts timing, the water of piston compression cylinder 7 interior inflow and outflows can be measured by smart electronics water meter 9, smart electronics water meter 9 can record positive negative according to the different directions of current, the water that wherein flows into piston compression cylinder 7 is set to positive number, the water that flows out piston compression cylinder 7 is shown as negative, the algebraic sum with flowing out of inflow be to 23 li of test specimens, infilter water.By record smart electronics water meter 9 readings now, then make zero, and so circulation is gone down, registration and time that terminal console just can root smart electronics water meter 9 calculate from starting to be tested to the infiltration coefficient of corresponding time period, and draw the relation curve of water percolating capacity and time.While adding water, from tank 10 the insides, add, the registration of volume markings table is shown as the water yield of adding, after the water of adding only has the volume being first full of between test specimen 23 and piston compression cylinder 7, volume markings table just has reading and does not start from scratch, the movement velocity of piston apparatus 12 can be by controlling to realize to motor 13, and further, the hydraulic pressure of test specimen 23 upper surfaces also can be measured by hydraulic pressure sensor is further set.
As a kind of preferred, this asphalt seepage tester also comprises for sealing the sound-muffling box of said gear chain gearing.
By designed the piston apparatus 12 being driven by motor 13 and chain gearing in said structure, and coordinate the structure such as stationary installation 6, piston compression cylinder 7 and tank 10 on stationary installation 4 under corresponding test specimen, sleeve 5, test specimen, the varying head that the present invention can be realized under hydrostatic pressing is measured and constant head measurement, can realize again the measurement to infiltration coefficient under moving hydraulic pressure.
As mentioned above, by further employing smart electronics water meter 9, hydraulic pressure sensor and magnetic-inductive device etc., just can ensure according to full automatic Numeric Control Technology the accuracy of test, make the use of equipment more easy, both can measure the infiltration coefficient under the hydrostatic pressing of asphalt, also can be used for Research on Asphalt Mixture and be subject to infiltration coefficient under hydraulic pressure etc., thereby make this asphalt seepage tester there is stronger practical value and wide application market.
By reference to the accompanying drawings the preferred embodiments of the disclosure and embodiment are explained in detail above, but the present invention is not limited to the above-described embodiment and examples, in the ken possessing those skilled in the art, can also make without departing from the inventive concept of the premise various variations.

Claims (6)

1. an asphalt seepage tester, comprise base and be located at the fixed frame on base, it is characterized in that: on described base, be also provided with hoistable platform, described hoistable platform carries out height by spiral device and regulates, on described hoistable platform, be upwards provided with successively stationary installation under test specimen, sleeve, stationary installation and piston compression cylinder on test specimen, and on described test specimen, under stationary installation and test specimen, stationary installation is bolted, described sleeve is positioned on test specimen under stationary installation and test specimen between stationary installation by pickup groove, and the inner chamber of described sleeve is communicated with the inner chamber of described piston compression cylinder, under described test specimen, stationary installation bottom is also provided with downward flowing water mouth,
The bottom of described piston compression cylinder is provided with smart electronics water meter, smart electronics water meter is provided with first valve that is threaded, the outside of described piston compression cylinder is also overlapped tank, the side wall upper part of described tank is provided with overflow vent, and tank is communicated with the inner chamber of described piston compression cylinder by first valve that is threaded;
Directly over described piston compression cylinder, also correspondence is provided with piston apparatus, described piston apparatus is provided with second valve that is threaded, motor is also installed on described base, this asphalt seepage tester also comprises the chain gearing being connected with described fixed frame, and described motor is connected with piston apparatus by described chain gearing, when actuating motor, piston apparatus pumps in the inner chamber of described piston compression cylinder by the drive of chain gearing.
2. asphalt seepage tester as claimed in claim 1, it is characterized in that: described chain gearing comprises gear, chain, rotating shaft and fixed bar, described gear comprises driving gear, the first follower gear, the second follower gear and the 3rd follower gear, wherein driving gear is connected with the output shaft of described motor, the first follower gear is connected with driving gear through chain, and the first follower gear is connected with the rotating shaft of being located at described fixed frame top again.Described the second follower gear is located in rotating shaft, described the 3rd follower gear is positioned at the second follower gear below and is connected with fixed frame by fixed bar, and the 3rd follower gear and the engagement of the second follower gear, described piston apparatus is connected with the non-home position of described the 3rd follower gear end face.
3. asphalt seepage tester as claimed in claim 2, it is characterized in that: this asphalt seepage tester also comprises terminal console, magnet, magnetic induction receiver and hydraulic pressure sensor, terminal console is located in described base, magnet is located at the top of described piston apparatus, magnetic induction receiver is fixed in described rotating shaft and is corresponding up and down with the position of described magnet, hydraulic pressure sensor is located at piston compression cylinder bottom, and at described tank, place is also provided with volume markings table.
4. asphalt seepage tester as claimed any one in claims 1 to 3, is characterized in that: this asphalt seepage tester also comprises for sealing the sound-muffling box of described chain gearing.
5. asphalt seepage tester as claimed in claim 4, is characterized in that: on described fixed frame, be also provided with bayonet socket, under described test specimen, on stationary installation or test specimen, stationary installation is adjustable being fixedly connected with by bayonet socket and described fixed frame.
6. asphalt seepage tester as claimed in claim 4, is characterized in that: this asphalt seepage tester also comprises locating ring.
CN201310641588.4A 2013-12-03 2013-12-03 Asphalt mixture water seepage tester Expired - Fee Related CN103604735B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105651664A (en) * 2014-11-18 2016-06-08 交通运输部公路科学研究所 A method for automatically measuring a pavement water permeability coefficient and a device therefor
CN106568699A (en) * 2016-11-15 2017-04-19 长安大学 Test device and method for testing laminar flow characteristics of asphalt pavement
CN106769782A (en) * 2017-01-27 2017-05-31 北京耐尔得仪器设备有限公司 A kind of concrete permeable factor detection device and measuring method
CN108362625A (en) * 2018-03-23 2018-08-03 沈阳建筑大学 Bituminous paving water creep appearance under constant head effect and its application method
CN109682738A (en) * 2019-01-22 2019-04-26 中化地质矿山总局福建地质勘查院 Surveying device and surveying method for mineral resource permeability

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CN203595652U (en) * 2013-12-03 2014-05-14 河南城建学院 Asphaltic mixture water seepage test instrument

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105651664A (en) * 2014-11-18 2016-06-08 交通运输部公路科学研究所 A method for automatically measuring a pavement water permeability coefficient and a device therefor
CN106568699A (en) * 2016-11-15 2017-04-19 长安大学 Test device and method for testing laminar flow characteristics of asphalt pavement
CN106568699B (en) * 2016-11-15 2020-07-28 中交第四公路工程局有限公司 Test device and method for testing laminar flow characteristics of asphalt pavement
CN106769782A (en) * 2017-01-27 2017-05-31 北京耐尔得仪器设备有限公司 A kind of concrete permeable factor detection device and measuring method
CN106769782B (en) * 2017-01-27 2023-07-11 北京耐尔得智能科技有限公司 Concrete water permeability coefficient measuring device and measuring method
CN108362625A (en) * 2018-03-23 2018-08-03 沈阳建筑大学 Bituminous paving water creep appearance under constant head effect and its application method
CN108362625B (en) * 2018-03-23 2023-09-12 沈阳建筑大学 Asphalt pavement water seepage instrument under action of constant water head and application method thereof
CN109682738A (en) * 2019-01-22 2019-04-26 中化地质矿山总局福建地质勘查院 Surveying device and surveying method for mineral resource permeability
CN109682738B (en) * 2019-01-22 2021-09-24 中化地质矿山总局福建地质勘查院 Surveying device and surveying method for mineral resource permeability

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Free format text: CORRECT: INVENTOR; FROM: LI RUIDUO LI YONGHUI ZHANG FEIPENG WANG XIAOXIAO WANG XIAO ZHU CUNZHEN LI LIQIN CUI YALI WANG ZHIGANG CUI HUILI MI NING CHEN HONGWEI WANG HUI ZHANG ZHI LI RONGRONG FU HAO QIN DANDAN TO: LI RUIDUO LI YONGHUI ZHANG FEIPENG WANG XIAOXIAO WANG XIAO ZHANG XIAOJUN HE ZHIBIN WANG XIAOWEI ZHU CUNZHEN LI LIQIN CUI YALI WANG ZHIGANG CUI HUILI MI NING CHEN HONGWEI LI PENG WANG HUI ZHANG ZHI LI RONGRONG FU HAO QIN DANDAN LIANG JIAN ZHOU HAIBO LIU PING

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Granted publication date: 20151202

Termination date: 20181203