CN209559685U - Pavement material load abrasion limitation slip rate tester - Google Patents
Pavement material load abrasion limitation slip rate tester Download PDFInfo
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- CN209559685U CN209559685U CN201920133505.3U CN201920133505U CN209559685U CN 209559685 U CN209559685 U CN 209559685U CN 201920133505 U CN201920133505 U CN 201920133505U CN 209559685 U CN209559685 U CN 209559685U
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Abstract
The utility model relates to pavement materials to load abrasion limitation slip rate tester, including organic frame, the plate for being fixed on rack side, test specimen, rubber experiment wheel, the truck assembly for driving rubber experiment wheel to rotate, the loading device for driving truck assembly elevating movement, two groups of guidance sets being fixed on plate, the sink being fixed on plate, the heating plate being fixed in the water tank, rubber experiment wheel is located above test specimen, and test specimen is placed in heating plate；It further include having the cross sliding driving device for being fixed on the rack other side and moving along a straight line back and forth horizontally for drive load device along guidance set.Pavement material load abrasion limitation slip rate tester provided by the utility model, suitable for carrying out indoor acceleration abrasion test to various ground surface material test specimens, mainly interacted using rubber testing wheel and test specimen, by transformation load pressure, the practical abrasion process in road surface in the case of traffic and Heavy Traffic is realized.
Description
Technical field
The utility model relates to technical field of experiment equipment, are specifically related to pavement material load abrasion limitation slip rate examination
Test instrument.
Background technique
The wear hardness of ground surface material directly influences the driving safety and comfort of running automobile, and therefore, it is necessary to simulate
Abrasion resisting ability of the ground surface material test specimen under carload effect, is provided with for Pavement Structure Design and functional layer material composition
The test basis of power.
Utility model content
The technical problem to be solved by the utility model is to provide pavement materials to load abrasion limitation slip rate tester, energy
Enough simulate the acceleration abrasion test of road pavement material test specimen.
In order to solve the above technical problems, the utility model is the following technical schemes are provided: pavement material load abrasion limitation is slided
Shifting rate tester, including organic frame, the plate for being fixed on rack side, test specimen, rubber experiment wheel, for driving rubber experiment wheel
The truck assembly of rotation, the loading device for driving truck assembly elevating movement, two groups of guidance sets being fixed on plate,
The sink being fixed on plate, the heating plate being fixed in the water tank, rubber experiment wheel are located above test specimen, and test specimen is placed in heating plate
On；It further include having the cross for being fixed on the rack other side and moving along a straight line back and forth horizontally for drive load device along guidance set
Move driving device.
On that basis of the above technical scheme, the support that the guidance set includes the slide bar of horizontal distribution, is vertically distributed
Column, the both ends of slide bar pass through support column respectively and are fixed on plate；The loading device includes fixing seat, is fixed on fixing seat
Load cylinder on upper surface is fixed on fixing seat lower surface and guide holder corresponding with slide bar, top are fixedly connected on
Load Telescopic-cylinder end and bottom end are fixedly connected on the load bar of truck assembly, and guide holder can be socketed in cunning with sliding back and forth horizontally
On bar, load cylinder drives truck assembly elevating movement by load bar.
On that basis of the above technical scheme, the cross sliding driving device includes a crank driving mechanism, the crank gearing
Mechanism include a swing arm and one with the hinged connecting rod of swing arm, connecting rod one end is articulated on loading device；The traversing driving dress
Set further includes having a rotation drive device for driving swing arm circumferentially rotatable.
On that basis of the above technical scheme, the rotation drive device includes the second motor being fixed on the rack and
Two speed reducers, the transmission axle being coaxially distributed with drive shaft, are fixed on the drive shaft being fixedly connected on the second speed reducer output shaft
Torque sensor between drive shaft and transmission axle is fixed with a rotating seat in the rack, and transmission axle is removably secured to
On rotating seat and swing arm one end is fixed on transmission axle top；Second motor drives drive shaft and transmission axle to be revolved by the second speed reducer
Turn, transmission axle and then driving swing arm rotation.
The utility model has the beneficial effect that pavement material load provided by the utility model compared with prior art
Abrasion limitation slip rate tester is suitable for carrying out various ground surface material test specimens indoor acceleration abrasion test, mainly uses rubber
Glue testing wheel and test specimen interact, and by transformation load pressure, realize the practical abrasion in road surface in the case of traffic and Heavy Traffic
Process.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the utility model tester when not installing sink state；
Fig. 2 is the utility model tester side view angle schematic diagram；
Figure label are as follows: 1- rack, 2- plate, 3- test specimen, 4- rubber experiment wheel, 5- sink, 6- heating plate, 7- wheel carrier
Plate, 8- first motor, the first speed reducer of 9-, 10- side plate, 11- driven wheel, 12- slide bar, 13- support column, 14- fixing seat, 15-
Load cylinder, 16- guide holder, 17- load bar, 18- guide rod, 19- swing arm, 20- connecting rod, the second motor of 21-, 22- second subtract
Fast machine, 23- drive shaft, 24- transmission axle, 25- torque sensor, 26- rotating seat.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Referring to Figures 1 and 2 it is found that pavement material load abrasion limitation slip rate tester, including organic frame 1, it is fixed on
The plate 2 of 1 side of rack, test specimen 3, rubber experiment wheel 4, the truck assembly for driving rubber experiment wheel 4 to rotate, for driving
The loading device of truck assembly elevating movement, two groups of guidance sets being fixed on plate 2, the sink 5 being fixed on plate 2,
The heating plate 6 being fixed in sink 5, rubber experiment wheel 4 are located at 3 top of test specimen, and test specimen 3 is placed in heating plate 6；The heating plate 6
On be provided with the automatic heating element and temperature sensor being electrically connected in controller, it is different to be provided using heating plate
Temperature environment in the different temperatures season of simulated roadway traffic, test specimen is placed under different temperatures environment and is tested, wherein controller,
Automatic heating element and temperature sensor are market products, belong to the prior art, repeat no more.
The truck assembly includes to take turns frame plate 7, the first motor 8 being fixed on wheel 7 upper surface of frame plate and the first deceleration
Machine 9, the driving wheel for being fixedly connected on 9 output shaft of the first speed reducer, the side plate 10 for being fixed on wheel 7 lower surface both ends of frame plate, two sides
It is fixed with rotatable shaft between plate 10, fixed driven wheel 11 and rubber experiment wheel 4, driving wheel are coaxially distributed in the shaft
It is connect with 11 chain conveyer of driven wheel；First motor 8 drives driving wheel rotation, driving wheel and driven wheel 11 by the first speed reducer 9
Chain conveyer drives rubber experiment wheel 4 to rotate in turn；First motor 8 is electrically connected to controller, can be made by controlling first motor 8
Rubber experiment wheel 4 carries out experimental test with different wheel speeds.
The support column 13 that the guidance set includes the slide bar 12 of horizontal distribution, is vertically distributed, the both ends point of slide bar 12
Not Tong Guo support column 13 be fixed on plate 2；The loading device includes fixing seat 14, is fixed on 14 upper surface of fixing seat
Load cylinder 15, be fixed on 14 lower surface of fixing seat and guide holder 16 corresponding with slide bar 12, top are fixedly connected on
Load 15 telescopic end of cylinder and bottom end are fixedly connected on the load bar 17 of truck assembly, and the bottom end of load bar 17 is fixed on wheel carrier group
On the wheel frame plate 7 of part, guide holder 16 can be socketed on slide bar 12 with sliding back and forth horizontally, and then loading device passes through guide holder 16
The realization that is slidably matched with slide bar 12 is slided along guidance set transverse reciprocating；It loads cylinder 15 and wheel carrier is driven by load bar 17
Component elevating movement can impose different loads for experimental test using load cylinder 15 for rubber experiment wheel 4；Rubber is tried
Test wheel 4 fall contact with test specimen 3 friction to simulated driving and pavement friction test.Moreover, vertically solid on the truck assembly
Surely there are several guide rods 18, offer pilot hole corresponding with each guide rod 18 in the fixing seat 14, in each pilot hole
It is fixed with linear bearing, the top difference liftable movement ground of each guide rod 18 is located in fixing seat 14 after passing through linear bearing
Side improves the guiding stability of truck assembly elevating movement using guide rod 18.
Meanwhile tester further includes being fixed on 1 other side of rack and for drive load device along guidance set water
The cross sliding driving device of flat linear reciprocating motion；The cross sliding driving device includes a crank driving mechanism, the crank gearing machine
Structure includes that a swing arm 19 and one and the hinged connecting rod 20 of swing arm 19,20 one end of connecting rod are articulated on loading device, specifically,
The fixing seat 14 of 20 one end of connecting rod and loading device is hinged.The cross sliding driving device further includes having one to be used to drive 19 edge of swing arm
The rotation drive device to rotate in a circumferential direction, the rotation drive device include that the second motor 21 and second being fixed in rack 1 subtracts
Fast machine 22, the drive shaft 23 being fixedly connected on 22 output shaft of the second speed reducer, the transmission axle 24 being coaxially distributed with drive shaft 23,
The torque sensor 25 being fixed between drive shaft 23 and transmission axle 24 is fixed with a rotating seat 26, transmission axle in the rack 1
24 are removably secured on rotating seat 26 and 19 one end of swing arm is fixed on 24 top of transmission axle；Second motor 21 subtracts by second
Fast machine 22 drives drive shaft 23 and transmission axle 24 to rotate, transmission axle 24 and then the driving rotation of swing arm 19.The electrical connection of second motor 21
In controller, by the second motor 21 of manipulation it is the rotation speed of changeable swing arm 19, and then is driven by crank driving mechanism
Loading device is moved along guide rod, convenient for simulating different driving speeds.Meanwhile torque sensor is that controller acquires torsion
Parameter, the multiple parameters such as cooperation speed, wheel speed, load, temperature, test number (TN) assist to the wear hardness to test specimen comprehensive
Close Calculation Estimation.
Claims (4)
1. pavement material load abrasion limitation slip rate tester, it is characterised in that: including organic frame (1), be fixed on rack (1)
The plate (2) of side, rubber experiment wheel (4), the truck assembly for driving rubber experiment wheel (4) to rotate, is used for test specimen (3)
The loading device for driving truck assembly elevating movement, is fixed on plate (2) two groups of guidance sets being fixed on plate (2)
Sink (5), the heating plate (6) that is fixed in sink (5), rubber experiment wheel (4) is located above test specimen (3), and test specimen (3) is placed in
In heating plate (6)；Further include be fixed on rack (1) other side and for drive load device it is horizontal reciprocating along guidance set
The cross sliding driving device of linear motion.
2. pavement material load abrasion limitation slip rate tester according to claim 1, it is characterised in that: the guiding
The support column (13) that component includes the slide bar (12) of horizontal distribution, is vertically distributed, the both ends of slide bar (12) pass through support respectively
Column (13) is fixed on plate (2)；The loading device includes fixing seat (14), is fixed on fixing seat (14) upper surface
Cylinder (15) are loaded, are fixed on fixing seat (14) lower surface and guide holder corresponding with slide bar (12) (16), top are fixed
It is connected to load cylinder (15) telescopic end and bottom end is fixedly connected on the load bar (17) of truck assembly, guide holder (16) can be horizontal
It is socketed on slide bar (12) slidingly back and forth, load cylinder (15) drives truck assembly elevating movement by load bar (17).
3. pavement material load abrasion limitation slip rate tester according to claim 1, it is characterised in that: described traversing
Driving device includes a crank driving mechanism, which includes that a swing arm (19) and one cut with scissors with swing arm (19)
The connecting rod (20) connect, connecting rod (20) one end are articulated on loading device；The cross sliding driving device further includes having one to be used to drive
The circumferentially rotatable rotation drive device of swing arm (19).
4. pavement material load abrasion limitation slip rate tester according to claim 3, it is characterised in that: the rotation
Driving device includes the second motor (21) being fixed on rack (1) and the second speed reducer (22), is fixedly connected on second and subtracts
Drive shaft (23) on fast machine (22) output shaft, is fixed on drive shaft at the transmission axle (24) being coaxially distributed with drive shaft (23)
(23) torque sensor (25) between transmission axle (24) is fixed with a rotating seat (26), transmission axle on the rack (1)
(24) it is removably secured on rotating seat (26) and swing arm (19) one end is fixed on transmission axle (24) top；Second motor (21)
Drive shaft (23) and transmission axle (24) is driven to rotate by the second speed reducer (22), transmission axle (24) and then driving swing arm (19) rotation
Turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920133505.3U CN209559685U (en) | 2019-01-25 | 2019-01-25 | Pavement material load abrasion limitation slip rate tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920133505.3U CN209559685U (en) | 2019-01-25 | 2019-01-25 | Pavement material load abrasion limitation slip rate tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209559685U true CN209559685U (en) | 2019-10-29 |
Family
ID=68307724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920133505.3U Expired - Fee Related CN209559685U (en) | 2019-01-25 | 2019-01-25 | Pavement material load abrasion limitation slip rate tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209559685U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655362A (en) * | 2019-01-25 | 2019-04-19 | 西安市亚星土木仪器有限公司 | Pavement material load abrasion limitation slip rate tester |
-
2019
- 2019-01-25 CN CN201920133505.3U patent/CN209559685U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655362A (en) * | 2019-01-25 | 2019-04-19 | 西安市亚星土木仪器有限公司 | Pavement material load abrasion limitation slip rate tester |
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| 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: 20191029 Termination date: 20220125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |