CN207396313U - A kind of road friction coefficient detection device - Google Patents
A kind of road friction coefficient detection device Download PDFInfo
- Publication number
- CN207396313U CN207396313U CN201721289946.XU CN201721289946U CN207396313U CN 207396313 U CN207396313 U CN 207396313U CN 201721289946 U CN201721289946 U CN 201721289946U CN 207396313 U CN207396313 U CN 207396313U
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- China
- Prior art keywords
- column
- swing rod
- friction coefficient
- detection device
- road friction
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Abstract
The utility model discloses a kind of road friction coefficient detection devices,(1) is supported including pedestal,Column (2),Swing rod (3),Yaw (4),Pointer (5),Dial (6),Angular transducer (7),Controller (8),Cantilever end (9) and water injector,The column (2) and pedestal support (1) are orthogonal,Height adjustment knob (10) is set on the column (2),The swing rod (3) and the junction of yaw (4) set reinforcing rib (11),The pointer (5) and swing rod (3) are connected by positioning pin (13) with dial (6),Angular transducer (7) is set on the swing rod (3),The angular transducer (7),Water injector is connected by data processor with controller (8),The data processor is connected with display screen (15),The water injector is connected by connecting rod with column (2),The connecting rod and the junction of column (2) set caging bolt (17).The utility model can reading pointer (5) rotates automatically angle, and transfer data on display screen (15), convenient for recording and observing, advantageously reduce human error.
Description
Technical field
The utility model is related to pavement of road testing equipment field more particularly to a kind of road friction coefficient detection devices.
Background technology
Portable pendulum tester is generally used for measuring the antiskid value of bituminous paving, graticule or other materials test specimen, to evaluate road surface or
Anti-slide performance of the ground surface material test specimen under dampness, be in the on-the-spot test of highway subgrade road surface common testing equipment it
One.At present, there are two ways to pavement skid resistance value is measured as defined in specification：Pendulum friction coefficient determinator (portable pendulum tester) and friction
Coefficient determination vehicle.Portable pendulum tester is easy to carry because cheap, and principle is simple, and testing cost is low, using wide in engineering.It is existing
Row《Highway subgrade road surface on-the-spot test regulation》(JGJ059-95) it is to pass through measure to the regulation of pendulum friction coefficient determinator in
Swing arm on road surface certain sliding length (126mm) and size, that is, backswing height of pendulum value (BPN) for generating comes overall merit road
Face coefficient of friction.The performance requirement of the instrument is：Pendulum and the coupling part gross mass put are：1500g+30g；Sheet rubber road pavement
Positive pressure be：22.2N+0.5N etc..Generic specifications are：The appearance of portable pendulum tester answers brilliance, smooth, and dial should be clear
It is clear etc..Test operation requirement has leveling, zeroing, checks sliding length etc..
At present, common portable pendulum tester needs artificial reading, and detection efficiency is relatively low, moreover, before survey measurements all each time
It needs to be sprayed water with water sprager, uses inconvenient, it is necessary to develop a kind of using more easily portable pendulum tester.
The content of the invention
To solve the above problems, the utility model discloses a kind of road friction coefficient detection device, it is easy to use, automatically
Reading simultaneously stores, and automatically controls water spray, simplifies test operating procedure, is conducive to improve measurement accuracy.
In order to reach object above, the utility model provides following technical solution：
A kind of road friction coefficient detection device, including pedestal support, column, swing rod, yaw, pointer, dial, angle
Sensor, controller, cantilever end and water injector, the column support orthogonal, setting height on the column with pedestal
The junction setting reinforcing rib of adjusting knob, the swing rod and yaw is spent, counterweight, the pointer and pendulum are set on the yaw
Bar is connected by positioning pin with dial, is set to fix the card slot of swing rod on the cantilever end, be set on the swing rod
Angular transducer, the angular transducer, water injector are connected by data processor with controller, the top of the column
Display screen is set, handle is set on the display screen, the data processor is connected with display screen, and the water injector passes through company
Extension bar is connected with column, and the junction of the connecting rod and column sets caging bolt.
Preferably, the water injector includes water tank and pressure switch, if the lower surface of the water tank is uniformly distributed
Dry hole for water spraying.
Preferably, the water tank is spherical or elliposoidal.
Preferably, adjusting screw rod is set in the pedestal support.
Preferably, air level is set in the pedestal support.
Preferably, rubber protecting jacket is set on the swing rod.
The beneficial effects of the utility model：
1st, the utility model can reading pointer rotates automatically angle, and transfer data on display screen, convenient for note
Record and observation, advantageously reduce human error；
2nd, the water injector of the utility model can be controlled by controller, realize the function of automatic spacing water spray；
3rd, adjusting screw rod and air level are set in the pedestal support of the utility model, it is advantageously ensured that road coefficient of friction detects
The position of device to just, be conducive to improve test data accuracy；
4th, rubber protecting jacket is set on the swing rod of the utility model, is conducive to protect the safety of the hand of people, prevents swing rod from transporting
It moves too fast and injures hand, while reduce corrosion of the sweat stain to swing rod, be conducive to extend the service life of swing rod.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Reference numerals list：1st, pedestal supports；2nd, column；3rd, swing rod；4th, yaw；5th, pointer；6th, dial；7th, angle passes
Sensor；8th, controller；9th, cantilever end；10th, height adjustment knob；11st, reinforcing rib；12nd, counterweight；13rd, positioning pin；14th, block
Slot；15th, display screen；16th, handle；17th, caging bolt；18th, water tank；19th, pressure switch；20th, hole for water spraying；21st, adjusting screw rod；
22nd, air level；23rd, rubber protecting jacket.
Specific embodiment
With reference to the accompanying drawings and detailed description, the utility model is furtherd elucidate, it should be understood that following specific embodiment parties
Formula is merely to illustrate the utility model rather than limitation the scope of the utility model.It should be noted that make below in description
Word "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, and word " interior " and " outer " refer to respectively
Be directed towards or the direction away from particular elements geometric centers.
As shown in Figure 1, a kind of road friction coefficient detection device, including pedestal support 1, column 2, swing rod 3, yaw 4, refer to
Pin 5, dial 6, angular transducer 7, controller 8, cantilever end 9 and water injector, column 2 and pedestal support 1 are orthogonal,
The junction setting reinforcing rib 11 of height adjustment knob 10, swing rod 3 and yaw 4 on column 2 is set, counterweight is set on yaw 4
12, pointer 5 and swing rod 3 are connected by positioning pin 13 with dial 6, set to fix the card slot of swing rod 3 on cantilever end 9
14, angular transducer 7 is set on swing rod 3, angular transducer 7, water injector are connected by data processor with controller 8,
Can reading pointer 5 rotates automatically angle, and transfer data on display screen 15, convenient for recording and observing, be conducive to subtract
Few human error, the top of column 2 set display screen 15, handle 16, data processor and display screen 15 are set on display screen 15
It is connected, water injector is connected by connecting rod with column 2, and connecting rod and the junction of column 2 set caging bolt 17.
Water injector includes water tank 18 and pressure switch 19, and the lower surface of water tank 18 is uniformly distributed several hole for water sprayings
20, water injector can be controlled by controller 8, realize the function of automatic spacing water spray, and water tank 18 is spherical or elliposoidal,
Adjusting screw rod 21 in pedestal support 1 is set, air level 22 is set in pedestal support 1, it is advantageously ensured that road coefficient of friction detection dress
The position put sets rubber protecting jacket 23 on swing rod 3, is conducive to protect people to just, being conducive to improve the accuracy of test data
Hand safety, prevent swing rod 3 from moving too fast and injuring hand, while reduce corrosion of the sweat stain to swing rod 3, be conducive to extend swing rod
3 service life.
The present embodiment course of work：Road friction coefficient detection device is placed on road surface to be tested, height is adjusted and adjusts rotation
Button 10 adjusts the height of column 2, and tightening height adjustment knob 10 after the completion of adjustment is fixed, then pass through adjusting screw rod 21
1 is supported to adjust pedestal, air level 22 is made to be in center, i.e. road friction coefficient detection device is hung down mutually with road surface to be measured
Directly, swing rod 3 is caught in the card slot 14 of cantilever end 9, by controller 8 caging bolt 17 is controlled to unclamp, water tank 18 rotates to
Yaw 4 swings the one side of contact area, and automatic water jetting 10mL, to initial position, caging bolt 17 is tightened for rotation after completing water spray,
Swing rod 3 is discharged, after pointer 5 is got to maximum distance for the first time, grasps swing rod 3, angular transducer 7 records swing rod 3 and moves
Maximum pendulum angle, transfer data to data processor, by the coefficient of friction that is converted to of theoretical model, shown on display screen 15
Show the reading of the coefficient of friction of this time, single reading is to complete.It is averaged in general, measuring five times, first time reading is not adopted
With.
Technological means disclosed in the utility model is not limited only to the technological means disclosed in the above embodiment, also
Including being combined formed technical solution by more than technical characteristic.It should be pointed out that the ordinary skill for the art
For personnel, on the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the scope of protection of the utility model.
Claims (6)
1. a kind of road friction coefficient detection device, it is characterised in that：Including pedestal support (1), column (2), swing rod (3), pendulum
Head (4), pointer (5), dial (6), angular transducer (7), controller (8), cantilever end (9) and water injector, it is described vertical
Column (2) and pedestal support (1) are orthogonal, and height adjustment knob (10), the swing rod (3) and pendulum are set on the column (2)
The junction of head (4) sets reinforcing rib (11), and counterweight (12), the pointer (5) and swing rod (3) are set on the yaw (4)
It is connected by positioning pin (13) with dial (6), sets to fix the card slot (14) of swing rod (3) on the cantilever end (9),
Angular transducer (7) is set on the swing rod (3), and the angular transducer (7), water injector pass through data processor and control
Device (8) processed is connected, and the top of the column (2) sets display screen (15), and handle (16) is set on the display screen (15), described
Data processor is connected with display screen (15), and the water injector is connected by connecting rod with column (2), and the connecting rod is with standing
The junction of column (2) sets caging bolt (17).
2. a kind of road friction coefficient detection device as described in claim 1, it is characterised in that：The water injector includes storage
Water tank (18) and pressure switch (19), the lower surface of the water tank (18) are uniformly distributed several hole for water sprayings (20).
3. a kind of road friction coefficient detection device as claimed in claim 2, it is characterised in that：The water tank (18) is ball
Shape or elliposoidal.
4. a kind of road friction coefficient detection device as described in claim 1, it is characterised in that：On the pedestal support (1)
Adjusting screw rod (21) is set.
5. a kind of road friction coefficient detection device as described in claim 1, it is characterised in that：On the pedestal support (1)
Air level (22) is set.
6. a kind of road friction coefficient detection device as described in claim 1, it is characterised in that：It is set on the swing rod (3)
Rubber protecting jacket (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721289946.XU CN207396313U (en) | 2017-09-30 | 2017-09-30 | A kind of road friction coefficient detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721289946.XU CN207396313U (en) | 2017-09-30 | 2017-09-30 | A kind of road friction coefficient detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207396313U true CN207396313U (en) | 2018-05-22 |
Family
ID=62331540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721289946.XU Expired - Fee Related CN207396313U (en) | 2017-09-30 | 2017-09-30 | A kind of road friction coefficient detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207396313U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110018115A (en) * | 2019-04-10 | 2019-07-16 | 广西交投科技有限公司 | A kind of fixed point direction-adjustable swinging friction coefficient instrument |
| CN110763624A (en) * | 2019-10-24 | 2020-02-07 | 四川济通工程试验检测有限公司 | Novel road surface skid resistance test equipment |
-
2017
- 2017-09-30 CN CN201721289946.XU patent/CN207396313U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110018115A (en) * | 2019-04-10 | 2019-07-16 | 广西交投科技有限公司 | A kind of fixed point direction-adjustable swinging friction coefficient instrument |
| CN110018115B (en) * | 2019-04-10 | 2024-04-16 | 广西交投科技有限公司 | Pendulum type friction coefficient instrument with adjustable fixed point direction |
| CN110763624A (en) * | 2019-10-24 | 2020-02-07 | 四川济通工程试验检测有限公司 | Novel road surface skid resistance test equipment |
| CN110763624B (en) * | 2019-10-24 | 2022-03-15 | 四川济通工程试验检测有限公司 | Road surface skid resistance test equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180522 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |