CN205844153U - A kind of bituminous paving friction coefficient tester of simulated rainfall - Google Patents
A kind of bituminous paving friction coefficient tester of simulated rainfall Download PDFInfo
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- CN205844153U CN205844153U CN201620822200.XU CN201620822200U CN205844153U CN 205844153 U CN205844153 U CN 205844153U CN 201620822200 U CN201620822200 U CN 201620822200U CN 205844153 U CN205844153 U CN 205844153U
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- bituminous paving
- friction coefficient
- tester
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Abstract
This utility model relates to the bituminous paving friction coefficient tester of a kind of simulated rainfall.It rain case including being divided into capital equipment district and auxiliary equipment district；Capital equipment district is converged rain base plate and is divided into upper and bottom section, and bottom is divided into collection box；The right half of upper part is provided with the water distributor of band shower nozzle at top；The right half of upper part is provided with two card articles in bottom, places die trial in the middle of two card articles；The upper surface of die trial is provided with portable pendulum tester；Left half is provided with water butt in bottom, the water pump being connected in collection box by water inlet pipe bottom this water butt；Water butt is provided with water pump at top, and this water pump is connected to water distributor by aqueduct；Aqueduct is the most also disposed with threeway, effusion meter and electromagnetic valve；Threeway connects the return pipe being connected to water butt of band regulation valve；Auxiliary equipment district is provided with control chamber.This utility model has simple in construction, feature easy and simple to handle.
Description
Technical field
This utility model belongs to bituminous pavement property technical field of measurement and test, it particularly relates to a kind of simulated rainfall
Bituminous paving friction coefficient tester.
Background technology
Along with expanding economy, road quality classification improves constantly, and the volume of traffic increases, and speed is accelerated, and the antiskid of bituminous paving is asked
Topic becomes increasingly conspicuous, and especially in the rainy day, Bitumen Pavement Anti-Skid Performance is substantially reduced, and easily makes vehicle slip out of control, cause casualties,
The major accidents such as property loss.In order to verify whether Bitumen Pavement Anti-Skid Performance disclosure satisfy that use requirement, we use pendulum-type
Instrument measures surface friction coefficient.But in test process, it is merely able to test the bituminous paving coefficient of friction under the conditions of the non-rainy day,
Different rainfall intensity, the bituminous paving coefficient of frictions of overland flow coefficient under the conditions of can not reflecting the rainy day.
Utility model content
For solving above-mentioned technical problem, this utility model provides a kind of simple in construction, easy and simple to handle and using effect
The bituminous paving friction coefficient tester of good simulated rainfall.
The bituminous paving friction coefficient tester of a kind of simulated rainfall described in the utility model, described tester includes point
For the rain case 1 in capital equipment district and auxiliary equipment district, capital equipment district is located at the left of rain case 1；Capital equipment district is converged at the bottom of rain
Plate 15 is divided into upper and bottom section, and bottom is divided into collection box 17, and upper part is divided into again left half and right half；Right half exists
Top is provided with the water distributor 2 of band shower nozzle 3；Right half is provided with two card articles 13 in bottom, places die trial in the middle of these two card articles 13
19；The upper surface of die trial 19 is provided with portable pendulum tester 12；Left half is provided with water butt 10 in bottom, by water inlet bottom this water butt 10
Pipe 14 is connected to the water pump A16 in collection box 17；Water butt 10 is provided with water pump B11, this water pump B11 and passes through aqueduct at top
It is connected to water distributor 2；Aqueduct is the most also disposed with threeway 9, effusion meter 4 and electromagnetic valve 5；Only surplus one of threeway 9
Individual outlet connects the return pipe 8 of band regulation valve 7, and this return pipe 8 is connected to water butt 10；Auxiliary equipment district is provided with control chamber 24.
The bituminous paving friction coefficient tester of a kind of simulated rainfall described in the utility model, described remittance rain base plate 15 is right
Side is provided with two card articles 13 and some " one " word vacancy section；Described card article 13 is in cuboid.
The bituminous paving friction coefficient tester of a kind of simulated rainfall described in the utility model, described die trial 19 includes enclosing
Left side side form 28 in base plate 30 4 side, right side side form 29, front side form 26, rear side form 27, and left side baffle plate 20 and the right side
Side shield 21；Described left side side form 28 is parallel with load wheel direction of travel with the length direction of right side side form 29；Described front side
Mould 26 is vertical with load wheel direction of travel with the length direction of rear side form 27；Set at the top surface edge of described left side side form 28
It is equipped with left groove 22；It is provided with right groove 23 at the top surface edge of described right side side form 29；Described left side baffle plate 20 can
With socket joint in left groove 22；Described right-hand apron 21 can be used for regulating coefficient of friction and survey with socket joint in right groove 23
The runoff coefficient of examination surface of test piece；The lower surface of described base plate 30 is the plane of rectangle；The upper surface correspondence of described base plate 30 becomes
The region of type test specimen is the arc surface along front side form 26 to rear side form 27.
The bituminous paving friction coefficient tester of a kind of simulated rainfall described in the utility model, described die trial 19 is at base plate
Space corresponding at 30 is irregular body, and the top of described irregular body is long 50cm, wide 50cm, the cuboid of high 5cm, described
The plan view from above of the bottom of irregular body is long 50cm, the square of wide 50cm, the cross section of the bottom of described irregular body
Figure is the arc surface of chord length 50cm, i.e. can make the bitumen mixture specimen of above-mentioned irregular body.
The bituminous paving friction coefficient tester of a kind of simulated rainfall described in the utility model, described control chamber 24 is in face
It is provided with display screen 33 and input keyboard 34 on plate, is internally provided with the controller 25 that electronic circuit board connects.
The bituminous paving friction coefficient tester of a kind of simulated rainfall described in the utility model, described electromagnetic valve 5, regulation
Valve 7, water pump B11 and water pump A16 all connect with controller 25.
When being simulated the bituminous paving PVvalue testing of rainfall, the work by water pump B11 of the water in water butt 10
Flow in water distributor 2 with along outlet pipe 6, and be dropped in bitumen mixture specimen surface, rain by shower nozzle 3 simulation formation raindrop
Water from surface of test piece landing to converge rain base plate 15 surface, and along converge rain base plate 15 flow into collection box 17, the water in collection box 17
Water butt 10, the water in supply water butt 10 is flowed into by water pump A16 and water inlet pipe 14；Threeway 9 and regulation valve 7, effusion meter 4 and
The synergism of electromagnetic valve 5 can regulate rainfall intensity；By whether arrange left side baffle plate 20 and right-hand apron in die trial both sides
21 can be with regulated flow coefficient.Under condition of raining, asphalt examination portable pendulum tester 12 being placed in die trial 19 and die trial 19
Part surface, can carry out the bituminous paving PVvalue testing of simulated rainfall.
Compared with prior art, the bituminous paving friction coefficient tester of simulated rainfall described in the utility model have with
Lower advantage:
1) the bituminous paving portable pendulum tester simple in construction of the simulated rainfall used, reasonable in design and installation and use operation letter
Just, input cost is relatively low, installs compact, takes up room less；
2) the bituminous paving portable pendulum tester parameter adjustment of the simulated rainfall used is easy, can to rainfall intensity, runoff coefficient,
The parameters such as rainfall duration are adjusted, and are provided with control chamber, control simple, can accurately control raininess degree, runoff coefficient, fall
Rain lasts so that the bituminous paving PVvalue testing process under condition of raining is easily controllable；
3) left groove that the die trial that used both sides parallel with direction of travel are arranged and right groove, can be according to need
Determine the need for fixing left side baffle plate and right-hand apron, and then may be used for controlling the runoff on bitumen mixture specimen surface
Coefficient, for simulating the runoff coefficient situation of actual road surface；
4) using effect is good and practical value high, good looking appearance, facilitates the bituminous paving of simulated rainfall largely
Dynamic rotary type PVvalue testing, and process of the test is easily controllable, has the advantages such as test operation is convenient, control is accurate,
The accuracy of the PVvalue testing result of simulated rainfall can be effectively ensured.
Accompanying drawing explanation
Fig. 1: tester schematic diagram described in the utility model；Fig. 2: remittance rain base plate schematic diagram figure；Fig. 3: die trial structure chart；Figure
4: left side baffle plate figure；Fig. 5: right-hand apron figure.1-rain case, 2-water distributor, 3-shower nozzle, 4-effusion meter, 5-electromagnetic valve, 6-water outlet
Pipe, 7-regulation valve, 8-return pipe, 9-threeway, 10-water butt, 11-water pump B, 12-portable pendulum tester, 13-card article, 14-water inlet pipe,
15-converge baffle plate on the left of rain base plate, 16-water pump A, 17-collection box, 19-die trial, 20-, 21-right-hand apron, 22-left groove,
Side on the right side of side form, 29-on the left of 23-right groove, 24-control chamber, 25-controller, 26-front side form, 27-rear side form, 28-
Mould, 30-base plate, display screen-33, input keyboard-34.
Detailed description of the invention
Below in conjunction with the specific embodiment bituminous paving PVvalue testing to simulated rainfall described in the utility model
Instrument is described further, but protection domain of the present utility model is not limited to this.
Embodiment 1
The bituminous paving friction coefficient tester of a kind of simulated rainfall, described tester includes being divided into capital equipment district and auxiliary
Helping the rain case 1 of battery limits, capital equipment district is located at the left of rain case 1；Capital equipment district is converged rain base plate 15 and is divided into upper part
And lower part, bottom is divided into collection box 17, and upper part is divided into again left half and right half；Right half is provided with band shower nozzle 3 at top
Water distributor 2；Right half is provided with two card articles 13 in bottom, places die trial 19 in the middle of these two card articles 13；The upper table of die trial 19
Face is provided with portable pendulum tester 12；Left half is provided with water butt 10 in bottom, is connected to charge for remittance by water inlet pipe 14 bottom this water butt 10
Water pump A16 in case 17；Water butt 10 is provided with water pump B11, this water pump B11 and is connected to water distributor 2 by aqueduct at top；
Aqueduct is the most also disposed with threeway 9, effusion meter 4 and electromagnetic valve 5；An only surplus outlet of threeway 9 connects band and adjusts
The return pipe 8 of joint valve 7, this return pipe 8 is connected to water butt 10；Auxiliary equipment district is provided with control chamber 24.
Two card articles 13 and some " one " word vacancy section it is provided with on the right side of described remittance rain base plate 15；Described card article 13 is in rectangular
Body.Described die trial 19 includes being trapped among the left side side form 28 of base plate 30 4 side, right side side form 29, front side form 26, rear side form 27,
And left side baffle plate 20 and right-hand apron 21；The length direction of described left side side form 28 and right side side form 29 takes turns walking side with load
To parallel；Described front side form 26 is vertical with load wheel direction of travel with the length direction of rear side form 27；Described left side side form
Left groove 22 it is provided with at the top surface edge of 28；It is provided with right groove at the top surface edge of described right side side form 29
23；Described left side baffle plate 20 can be with socket joint in left groove 22；Described right-hand apron 21 can with socket joint in right groove 23,
For regulating the runoff coefficient of PVvalue testing surface of test piece；The lower surface of described base plate 30 is the plane of rectangle；The described end
The region of the upper surface correspondence shaping test piece of plate 30 is the arc surface along front side form 26 to rear side form 27.Described die trial 19
Space corresponding at base plate 30 is irregular body, the top of described irregular body be long 50cm, wide 50cm, high 5cm rectangular
Body, the plan view from above of the bottom of described irregular body is long 50cm, the square of wide 50cm, the bottom of described irregular body
Cross-sectional view is the arc surface of chord length 50cm, i.e. can make the bitumen mixture specimen of above-mentioned irregular body.Described control chamber
24 are provided with display screen 33 and input keyboard 34 on panel, are being internally provided with the controller 25 that electronic circuit board connects.Institute
State electromagnetic valve 5, regulation valve 7, water pump B11 and water pump A16 all connect with controller 25.It is provided with temperature in described auxiliary equipment district to pass
Sensor and heater；Described connecting shaft is provided with displacement transducer.
When being simulated the bituminous paving PVvalue testing of rainfall, the work by water pump B11 of the water in water butt 10
Flow in water distributor 2 with along outlet pipe 6, and be dropped in bitumen mixture specimen surface, rain by shower nozzle 3 simulation formation raindrop
Water from surface of test piece landing to converge rain base plate 15 surface, and along converge rain base plate 15 flow into collection box 17, the water in collection box 17
Water butt 10, the water in supply water butt 10 is flowed into by water pump A16 and water inlet pipe 14；Threeway 9 and regulation valve 7, effusion meter 4 and
The synergism of electromagnetic valve 5 can regulate rainfall intensity；By whether arrange left side baffle plate 20 and right-hand apron in die trial both sides
21 can be with regulated flow coefficient.Under condition of raining, asphalt examination portable pendulum tester 12 being placed in die trial 19 and die trial 19
Part surface, can carry out the bituminous paving PVvalue testing of simulated rainfall.
Claims (6)
1. the bituminous paving friction coefficient tester of a simulated rainfall, it is characterised in that described tester includes being divided into mainly
The rain case (1) in battery limits and auxiliary equipment district, capital equipment district is located at the left of rain case (1)；Converged rain base plate in capital equipment district
(15) being divided into upper and bottom section, bottom is divided into collection box (17), and upper part is divided into again left half and right half；Right half
The water distributor (2) of band shower nozzle (3) it is provided with at top；Right half is provided with two card articles (13) in bottom, in these two card articles (13)
Between place die trial (19)；The upper surface of die trial (19) is provided with portable pendulum tester (12)；Left half is provided with water butt (10), this storage in bottom
The water pump A (16) that bucket (10) bottom is connected in collection box (17) by water inlet pipe (14)；Water butt (10) is provided with at top
Water pump B (11), this water pump B (11) is connected to water distributor (2) by aqueduct；Aqueduct is the most also disposed with threeway
(9), effusion meter (4) and electromagnetic valve (5)；An only surplus outlet of threeway (9) connects the return pipe (8) of band regulation valve (7), should
Return pipe (8) is connected to water butt (10)；Auxiliary equipment district is provided with control chamber (24).
The bituminous paving friction coefficient tester of simulated rainfall the most according to claim 1, it is characterised in that described remittance rain
Base plate (15) right side is provided with two card articles (13) and some " one " word vacancy section；Described card article (13) is in cuboid.
The bituminous paving friction coefficient tester of simulated rainfall the most according to claim 1, it is characterised in that described die trial
(19) include being trapped among the left side side form (28) of base plate (30) four side, right side side form (29), front side form (26), rear side form
, and left side baffle plate (20) and right-hand apron (21) (27)；Described left side side form (28) and the length direction of right side side form (29)
Parallel with load wheel direction of travel；The length direction of described front side form (26) and rear side form (27) takes turns direction of travel with load
Vertically；Left groove (22) it is provided with at the top surface edge in described left side side form (28)；The upper table on described right side side form (29)
Face edge is provided with right groove (23)；Described left side baffle plate (20) can be with socket joint in left groove (22)；Described right side
Baffle plate (21) can be with socket joint in right groove (23), for regulating the runoff coefficient of PVvalue testing surface of test piece；Described
The lower surface of base plate (30) is the plane of rectangle；The region of the upper surface correspondence shaping test piece of described base plate (30) is along front
Side form (26) is to the arc surface of rear side form (27).
The bituminous paving friction coefficient tester of simulated rainfall the most according to claim 3, it is characterised in that described die trial
(19) space corresponding at base plate (30) place is irregular body, and the top of described irregular body is long 50cm, wide 50cm, high 5cm
Cuboid, the plan view from above of the bottom of described irregular body is long 50cm, the square of wide 50cm, described irregular body
The cross-sectional view of bottom is the arc surface of chord length 50cm, i.e. can make the bitumen mixture specimen of above-mentioned irregular body.
The bituminous paving friction coefficient tester of simulated rainfall the most according to claim 3, it is characterised in that described control
Case processed (24) is provided with display screen (33) and input keyboard (34) on panel, is being internally provided with the control that electronic circuit board connects
Device processed (25).
The bituminous paving friction coefficient tester of simulated rainfall the most according to claim 3, it is characterised in that described electromagnetism
Valve (5), regulation valve (7), water pump B (11) and water pump A (16) all connect with controller (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620822200.XU CN205844153U (en) | 2016-08-01 | 2016-08-01 | A kind of bituminous paving friction coefficient tester of simulated rainfall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620822200.XU CN205844153U (en) | 2016-08-01 | 2016-08-01 | A kind of bituminous paving friction coefficient tester of simulated rainfall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205844153U true CN205844153U (en) | 2016-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620822200.XU Expired - Fee Related CN205844153U (en) | 2016-08-01 | 2016-08-01 | A kind of bituminous paving friction coefficient tester of simulated rainfall |
Country Status (1)
| Country | Link |
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| CN (1) | CN205844153U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290145A (en) * | 2016-08-01 | 2017-01-04 | 山西省交通科学研究院 | The bituminous paving friction coefficient tester of a kind of simulated rainfall and method of testing thereof |
| CN108593898A (en) * | 2018-03-21 | 2018-09-28 | 河海大学 | Consider the indoor simulation device and its test method of dripping that thermo-oxidative ageing and Moisture Damage coupling influence OGFC performances |
| CN108802349A (en) * | 2018-03-21 | 2018-11-13 | 河海大学 | The Experimental Method in Laboratory that thermo-oxidative ageing and Moisture Damage coupling influence OGFC performances is considered under a kind of atmospheric pressure environment |
-
2016
- 2016-08-01 CN CN201620822200.XU patent/CN205844153U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290145A (en) * | 2016-08-01 | 2017-01-04 | 山西省交通科学研究院 | The bituminous paving friction coefficient tester of a kind of simulated rainfall and method of testing thereof |
| CN108593898A (en) * | 2018-03-21 | 2018-09-28 | 河海大学 | Consider the indoor simulation device and its test method of dripping that thermo-oxidative ageing and Moisture Damage coupling influence OGFC performances |
| CN108802349A (en) * | 2018-03-21 | 2018-11-13 | 河海大学 | The Experimental Method in Laboratory that thermo-oxidative ageing and Moisture Damage coupling influence OGFC performances is considered under a kind of atmospheric pressure environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20161228 Termination date: 20190801 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |