CN205826494U - A kind of bituminous paving rotary friction coefficient tester of simulated rainfall - Google Patents
A kind of bituminous paving rotary friction coefficient tester of simulated rainfall Download PDFInfo
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- CN205826494U CN205826494U CN201620822177.4U CN201620822177U CN205826494U CN 205826494 U CN205826494 U CN 205826494U CN 201620822177 U CN201620822177 U CN 201620822177U CN 205826494 U CN205826494 U CN 205826494U
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- water
- friction coefficient
- bituminous paving
- side form
- coefficient tester
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Abstract
This utility model relates to the rotary friction coefficient tester of bituminous paving 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 dynamic rotary type friction coefficient 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 simple in construction, 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
The rotary friction coefficient tester of bituminous paving.
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 dynamically
Rotary friction coefficient tester measures surface friction coefficient.But in test process, under the conditions of being merely able to test the non-rainy day
Bituminous paving coefficient of friction, it is impossible to enough under the conditions of the reflection rainy day, different rainfall intensities, the bituminous paving of overland flow coefficient rub
Wipe coefficient.
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 rotary friction coefficient tester of bituminous paving of good simulated rainfall.
The rotary friction coefficient tester of bituminous paving of a kind of simulated rainfall described in the utility model, described tester
Including being divided into 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 quilt
The rain base plate 15 that converges 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
Part is provided with the water distributor 2 of band shower nozzle 3 at top；Right half is provided with two card articles 13 in bottom, puts in the middle of these two card articles 13
Put die trial 19；The upper surface of die trial 19 is provided with dynamic rotary type friction coefficient tester 12；Left half is provided with water butt in bottom
10, the water pump A16 being connected in collection box 17 by water inlet pipe 14 bottom this water butt 10；Water butt 10 is provided with water pump at top
B11, this water pump B11 are connected to water distributor 2 by aqueduct；Aqueduct is the most also disposed with threeway 9, effusion meter 4
With electromagnetic valve 5；An only surplus outlet of threeway 9 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 rotary friction coefficient tester of bituminous paving of a kind of simulated rainfall described in the utility model, at the bottom of described remittance rain
Two card articles 13 and some " one " word vacancy section it is provided with on the right side of plate 15；Described card article 13 is in cuboid.
The rotary friction coefficient tester of bituminous paving of a kind of simulated rainfall described in the utility model, described die trial 19
Including 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, left side baffle plate 20, the right side
Side shield 21, and four clips；The length direction of described left side side form 28 and right side side form 29 takes turns direction of travel with load
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 28
Top surface edge at be provided 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 be with socket joint in left groove 22；Described right-hand apron 21 can be used with socket joint in right groove 23
Runoff coefficient in regulation PVvalue testing surface of test piece；Four apex of described base plate 30 lower surface, symmetrical setting
There are four clips, fixing for die trial and test specimen cushion cap.
The rotary friction coefficient tester of bituminous paving of a kind of simulated rainfall described in the utility model, described die trial 19
The long 60cm in space corresponding at base plate 30, wide 60cm, high 5cm, i.e. can make the long 60cm of type, wide 60cm, the Colophonium of high 5cm
Compound test specimen.
The rotary friction coefficient tester of bituminous paving of a kind of simulated rainfall described in the utility model, 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.
The rotary friction coefficient tester of bituminous paving 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 dynamic rotary type Test of Friction of rainfall, the water in water butt 10 passes through water
The effect of pump B11 flows in water distributor 2 along outlet pipe 6, and is dropped in asphalt examination by shower nozzle 3 simulation formation raindrop
Part surface, rainwater 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, collection box
Water in 17 flows into water butt 10, the water in supply water butt 10 by water pump A16 and water inlet pipe 14；Threeway 9 and regulation valve 7,
The synergism of effusion meter 4 and electromagnetic valve 5 can regulate rainfall intensity；By whether arrange left side baffle plate 20 He in die trial both sides
Right-hand apron 21 can be with regulated flow coefficient.Under condition of raining, dynamic rotary type friction coefficient tester 12 is placed in die trial
19 and die trial 19 in bitumen mixture specimen surface, the bituminous paving dynamic rotary type coefficient of friction of simulated rainfall can be carried out
Test.
Compared with prior art, the rotary friction coefficient tester of the bituminous paving of simulated rainfall described in the utility model
Have the advantage that
1) the bituminous paving dynamic rotary type friction coefficient tester simple in construction of the simulated rainfall used, reasonable in design
And install and use easy and simple to handle, input cost is relatively low, installs compact, takes up room less；
2) the bituminous paving dynamic rotary type friction coefficient tester parameter adjustment of the simulated rainfall used is easy, can be right
The parameters such as rainfall intensity, runoff coefficient, rainfall duration are adjusted, and are provided with control chamber, control simple, can accurately control
Raininess degree, runoff coefficient, rainfall duration so that the bituminous paving dynamic rotary type PVvalue testing process under condition of raining is easy
In control；
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) die trial used symmetrical can arrange four clips by four apex of base plate lower surface
Method, it is to avoid the level of die trial during test is slided, improves the test essence of bituminous paving dynamic rotary type measuring friction coefficient test
Degree.
5) 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 dynamic rotary type 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-dynamic rotary type friction coefficient tester,
On the left of 13-card article, 14-water inlet pipe, 15-remittance rain base plate, 16-water pump A, 17-collection box, 19-die trial, 20-on the right side of baffle plate, 21-
Baffle plate, 22-left groove, 23-right groove, 24-control chamber, 25-controller, 26-front side form, 27-rear side form, 28-
Side form, 30-base plate, display screen-33, input keyboard-34 on the right side of left side side form, 29-.
Detailed description of the invention
Below in conjunction with specific embodiment to the rotary friction of bituminous paving of simulated rainfall described in the utility model it is
Number tester is described further, but protection domain of the present utility model is not limited to this.
Embodiment 1
The rotary friction coefficient tester of bituminous paving of a kind of simulated rainfall, described tester includes being divided into capital equipment
The rain case 1 in district and auxiliary equipment district, 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 and bottom section, 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 at top
The water distributor 2 of shower nozzle 3；Right half is provided with two card articles 13 in bottom, places die trial 19 in the middle of these two card articles 13；Die trial 19
Upper surface is provided with dynamic rotary type friction coefficient tester 12；Left half is provided with water butt 10 in bottom, bottom this water butt 10
The water pump A16 being connected in collection box 17 by water inlet pipe 14；Water butt 10 is provided with water pump B11, this water pump B11 at top to be passed through
Aqueduct is connected to water distributor 2；Aqueduct is the most also disposed with threeway 9, effusion meter 4 and electromagnetic valve 5；Threeway 9
An only surplus 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
Case 24 processed.
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 include 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,
Left side baffle plate 20, right-hand apron 21, and four clips；Described left side side form 28 and the length direction of right side side form 29 and lotus
Carry wheel direction of travel parallel；Described front side form 26 is vertical with load wheel direction of travel with the length direction of rear side form 27；Institute
State and be provided with left groove 22 at the top surface edge of left side side form 28；It is provided with at the top surface edge of described right side side form 29
Right groove 23；Described left side baffle plate 20 can be with socket joint in left groove 22；Described right-hand apron 21 can be with socket joint on right side
In groove 23, for regulating the runoff coefficient of PVvalue testing surface of test piece；Four apex of described base plate 30 lower surface,
It is symmetrically arranged with four clips, fixing for die trial and test specimen cushion cap.The sky that described die trial 19 is corresponding at base plate 30
Between long 60cm, wide 60cm, high 5cm, i.e. can make the long 60cm of type, wide 60cm, the bitumen mixture specimen of high 5cm.Described control
Case 24 processed is provided with display screen 33 and input keyboard 34 on panel, is being internally provided with the controller that electronic circuit board connects
25.Described electromagnetic valve 5, regulation valve 7, water pump B11 and water pump A16 all connect with controller 25.It is provided with in described auxiliary equipment district
Temperature sensor and heater；Described connecting shaft is provided with displacement transducer.
When being simulated the bituminous paving dynamic rotary type Test of Friction of rainfall, the water in water butt 10 passes through water
The effect of pump B11 flows in water distributor 2 along outlet pipe 6, and is dropped in asphalt examination by shower nozzle 3 simulation formation raindrop
Part surface, rainwater 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, collection box
Water in 17 flows into water butt 10, the water in supply water butt 10 by water pump A16 and water inlet pipe 14；Threeway 9 and regulation valve 7,
The synergism of effusion meter 4 and electromagnetic valve 5 can regulate rainfall intensity；By whether arrange left side baffle plate 20 He in die trial both sides
Right-hand apron 21 can be with regulated flow coefficient.Under condition of raining, dynamic rotary type friction coefficient tester 12 is placed in die trial
19 and die trial 19 in bitumen mixture specimen surface, the bituminous paving dynamic rotary type coefficient of friction of simulated rainfall can be carried out
Test.
Claims (6)
1. the rotary friction coefficient tester of the bituminous paving of a simulated rainfall, it is characterised in that 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
Rain base 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 is provided with the water distributor (2) of band shower nozzle (3) at top；Right half is provided with two card articles (13) in bottom, these two card articles
(13) die trial (19) is placed in the middle of；The upper surface of die trial (19) is provided with dynamic rotary type friction coefficient tester (12)；Left half
Be provided with water butt (10) in bottom, this water butt (10) bottom is connected to the water pump A in collection box (17) by water inlet pipe (14)
(16)；Water butt (10) is provided with water pump B (11) at top, and this water pump B (11) is connected to water distributor (2) by aqueduct；Defeated
Waterpipe is the most also disposed with threeway (9), effusion meter (4) and electromagnetic valve (5)；An only surplus outlet of threeway (9) is even
The return pipe (8) of tape splicing regulation valve (7), this return pipe (8) is connected to water butt (10)；Auxiliary equipment district is provided with control chamber
(24)。
The rotary friction coefficient tester of bituminous paving of simulated rainfall the most according to claim 1, it is characterised in that institute
State remittance rain base plate (15) right side and be provided with two card articles (13) and some " one " word vacancy section；Described card article (13) is in cuboid.
The rotary friction coefficient tester of bituminous paving of simulated rainfall the most according to claim 1, it is characterised in that institute
State die trial (19) to 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
Mould (27), left side baffle plate (20), right-hand apron (21), and four clips；Described left side side form (28) and right side side form
(29) length direction is parallel with load wheel direction of travel；The length direction of described front side form (26) and rear side form (27) with
Load wheel direction of travel is vertical；Left groove (22) it is provided with at the top surface edge in described left side side form (28)；Described right side
Right groove (23) it is provided with at the top surface edge of side form (29)；Described left side baffle plate (20) can be with socket joint in left groove
(22) in；Described right-hand apron (21) can be used for regulating PVvalue testing surface of test piece with socket joint in right groove (23)
Runoff coefficient；Four apex of described base plate (30) lower surface, are symmetrically arranged with four clips, for die trial and examination
Fixing of part cushion cap.
The rotary friction coefficient tester of bituminous paving of simulated rainfall the most according to claim 3, it is characterised in that institute
State die trial (19) the space long 60cm corresponding at base plate (30) place, wide 60cm, high 5cm, i.e. can make the long 60cm of type, width
60cm, the bitumen mixture specimen of high 5cm.
The rotary friction coefficient tester of bituminous paving of simulated rainfall the most according to claim 3, it is characterised in that institute
State control chamber (24) on panel, be provided with display screen (33) and input keyboard (34), connect being internally provided with electronic circuit board
Controller (25).
The rotary friction coefficient tester of bituminous paving of simulated rainfall the most according to claim 3, it is characterised in that institute
State electromagnetic valve (5), regulation valve (7), water pump B (11) and water pump A (16) all connects with controller (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620822177.4U CN205826494U (en) | 2016-08-01 | 2016-08-01 | A kind of bituminous paving rotary friction coefficient tester of simulated rainfall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620822177.4U CN205826494U (en) | 2016-08-01 | 2016-08-01 | A kind of bituminous paving rotary friction coefficient tester of simulated rainfall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205826494U true CN205826494U (en) | 2016-12-21 |
Family
ID=57556804
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620822177.4U Expired - Fee Related CN205826494U (en) | 2016-08-01 | 2016-08-01 | A kind of bituminous paving rotary friction coefficient tester of simulated rainfall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205826494U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092875A (en) * | 2016-08-01 | 2016-11-09 | 山西省交通科学研究院 | The rotary friction coefficient tester of bituminous paving of simulated rainfall and method of testing thereof |
-
2016
- 2016-08-01 CN CN201620822177.4U patent/CN205826494U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092875A (en) * | 2016-08-01 | 2016-11-09 | 山西省交通科学研究院 | The rotary friction coefficient tester of bituminous paving of simulated rainfall and method of testing thereof |
| CN106092875B (en) * | 2016-08-01 | 2019-01-25 | 山西省交通科学研究院 | The rotary friction coefficient tester of the bituminous pavement of simulated rainfall and its test method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20190801 |