CN208847488U - Single-point type large size full size road surface accelerated loading system track test device - Google Patents
Single-point type large size full size road surface accelerated loading system track test device Download PDFInfo
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- CN208847488U CN208847488U CN201821392766.9U CN201821392766U CN208847488U CN 208847488 U CN208847488 U CN 208847488U CN 201821392766 U CN201821392766 U CN 201821392766U CN 208847488 U CN208847488 U CN 208847488U
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Abstract
The utility model discloses a kind of single-point type large size full size road surface accelerated loading system track test devices, belong to pavement test equipment, the advantages of the technical problems to be solved in the utility model is how to combine two kinds of accelerated loading equipment, both " accelerated loading " truly may be implemented, subgrade and pavement performance model required for available road engineering research field again, the technical solution of use are as follows: its structure includes actuator, standard wheel and the two-sided rack, the two-sided rack is vertically arranged, the top of the two-sided rack is arranged in actuator, transmission device is provided on the two-sided rack, standard wheel is arranged on transmission device, transmission device is for realizing the opposite of two sides standard wheel and moves towards.
Description
Technical field
The utility model relates to pavement test equipment, specifically a kind of single-point type large size full size road surface accelerated loading system
System track test device.
Background technique
Road-surface accelerating and loading test is a kind of advanced subgrade and pavement verification experimental verification research means in the world.China has had
Accelerated loading equipment in, the advantages of most of is the accelerated loading equipment of mock standard wheel load, this equipment is can be with
The effect of more true simulating vehicle load road pavement structure, the disadvantage is that loading velocity is slow, mechanical mode is complicated, performance model
It is based primarily upon experience.Therefore, single-point type large size full size road surface accelerated loading system test system is come into being, and which overcome above-mentioned
Disadvantage, realizes that loading velocity is fast, mechanical mode is simple, and the long-term behaviour easy to accomplish to different pavement is verified, and shape
At the pavement structure performance model with mechanical index close association.But existing single-point type large size full size road surface accelerated loading system
System pilot system adds the impulsive load of repeat function using Circular Loading Plate top application of satisfying the need, and can not mock standard wheel satisfy the need table
The process for rolling and generating track, and road surface generates the load time required for track and is far smaller than pavement structure performance and tests
Load test required for demonstrate,proving, therefore the advantages of how to combine two kinds of accelerated loading equipment, " adding truly both may be implemented
Speed load ", but subgrade and pavement performance model required for available road engineering research field is anxious in currently available technology
Technical problem to be solved.
Summary of the invention
The technical assignment of the utility model is to provide a kind of single-point type large size full size road surface accelerated loading system and is surveyed with track
Trial assembly is set, and to solve the advantages of how combining two kinds of accelerated loading equipment, " accelerated loading " truly both may be implemented,
Again the problem of subgrade and pavement performance model required for available road engineering research field.
The technical assignment of the utility model realizes in the following manner, single-point type large size full size road surface accelerated loading system
It is vertically arranged with track test device, including actuator, standard wheel and the two-sided rack, the two-sided rack, actuator is arranged double
The top of face rack gear is provided with transmission device on the two-sided rack, and standard wheel is arranged on transmission device, and transmission device is for real
Show the opposite of two sides standard wheel synchronization and moves towards.
Preferably, the transmission device includes wheel mobile device one and wheel mobile device two, wheel mobile device
One and wheel mobile device two be separately positioned on the two sides of the two-sided rack；
Wheel mobile device one includes Double-gear one and single-side rack, and Double-gear one includes gear wheel one and pinion gear one,
Gear wheel one is meshed with the side tooth of the two-sided rack, and pinion gear one is meshed with single-side rack；The setting of single-side rack downside
There is wheel stand, standard wheel is mounted on wheel stand by axletree.
More preferably, the wheel mobile device two includes Double-gear two and single-side rack, and Double-gear two includes gear wheel two
With pinion gear two, pinion gear two is shifted to install with pinion gear one；Gear wheel two is meshed with the side tooth of the two-sided rack, pinion gear
Two are meshed with single-side rack；Single-side rack downside is provided with wheel stand, and standard wheel is mounted on wheel by axletree
On bracket, reset spring is provided on axletree.
Preferably, the stroke of the actuator and standard wheel stroke ratio are 1:10.
Preferably, the standard wheel uses cargo vehicle single shaft two-wheel group.
More preferably, the wheel stand is inverted U shape, and inverted U-shaped wheel stand includes stull one and is arranged at one liang of stull
The perpendicular support one at end and perpendicular support two, axletree is arranged between perpendicular support one and perpendicular support two and axletree supports one and perpendicular support two with perpendicular respectively
Rotation connection；Two standard wheels are arranged at intervals on axletree.
Preferably, the standard wheel uses cargo vehicle twin shaft two-wheel group.
More preferably, the wheel stand is in M-shaped, and wheel stand M-shaped includes stull two and is arranged in cross
The perpendicular support three and perpendicular support four for supportting two both ends, are provided with perpendicular support five, erect support five and be arranged in stull two between perpendicular support three and perpendicular support four
And it is located at the middle position of stull two；There are two axletree settings, two axletrees be separately positioned on perpendicular support three and perpendicular support five and
Between perpendicular support four and perpendicular support five and axletree respectively with five rotation connection of perpendicular support three, perpendicular support four and perpendicular support；Two standard wheels difference
It is arranged on two axletrees.
Preferably, the reset spring uses torque spring, torque spring is socketed on axletree.
Single-point type large size full size road surface accelerated loading system the track test device and prior art phase of the utility model
Than having the advantage that
(1), the utility model solves traditional single-point type large size full size road surface accelerated loading system and is only capable of Fast simulation road
Structural damage of the face under Action of Vertical Loads, and can not track of the simulated roadway under the back and forth effect of rolling of standard wheel
The technical problem of change in depth, realize single-point type large size full size road surface accelerated loading system can simulated roadway in vertical load
The target of the rutting depth variation of structural damage and energy simulated roadway under the back and forth effect of rolling of standard wheel under effect,
The potentiality of existing accelerated loading system have further been excavated, there is good application value；
(2), the accelerated loading equipment that the utility model combines mock standard wheel load more can be simulated really
The advantages of effect of vehicular load road pavement structure and single-point type large size full size road surface accelerated loading system loads speed is fast, power
The advantages of mode is simple, and the long-term behaviour easy to accomplish to different pavement is verified, can in pavement track simulation process
With the situation of change of simulated roadway track under the back and forth effect of rolling of standard wheel, it is substantially shorter research cycle, is saved big
Measure research funding；
(3), the utility model uses the two-sided rack and wheel mobile device, converts standard for the vertical movement of actuator
Backscrolling of the wheel in road table；
(4), the utility model installs reset spring on axletree, can be automatically by standard vehicle in actuator uninstall process
Wheel is opposite to be resetted.
Therefore the utility model has reasonable, simple, easy to process, small in size, easy to use, multi-purpose content of structure of design etc.
Feature, thus, it has good value for applications.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawing.
Attached drawing 1 is the structural schematic diagram of single-point type large size full size road surface accelerated loading system track test device；
Attached drawing 2 is the structural schematic diagram of Double-gear one in attached drawing 1；
Attached drawing 3 is the structural schematic diagram of Double-gear two in attached drawing 1；
Attached drawing 4 is the structural schematic diagram of embodiment 2；
Attached drawing 5 is the structural schematic diagram of embodiment 3；
Attached drawing 6 is the curve graph of rutting depth and rolling layer.
In figure: 1, actuator, 2, the two-sided rack, 3, Double-gear one, 3-1, gear wheel one, 3-2, pinion gear one, 4, single side
Rack gear, 5, standard wheel, 6, wheel stand, 7, axletree, 8, reset spring, 9, stull one, 10, perpendicular support one, 11, perpendicular support two,
12, stull two, 13, perpendicular support three, 14, perpendicular support four, 15, perpendicular support five, 16, Double-gear two, 16-1, gear wheel two, 16-2, pinion gear
Two.
Specific embodiment
Referring to Figure of description and specific embodiment to the single-point type large size full size road surface accelerated loading system of the utility model
System is described in detail below with track test device.
Embodiment 1:
As shown in figure 1 and 2, the single-point type large size full size road surface accelerated loading system of the utility model is tested with track and is filled
It sets, structure includes actuator 1, standard wheel 5 and the two-sided rack 2, and the two-sided rack 2 is vertically arranged, and actuator 1 is mounted on two-sided
The top of rack gear 2 is equipped with transmission device on the two-sided rack 2, and standard wheel 5 is mounted on transmission device, and transmission device is used for
It realizes the opposite of the synchronization of two sides standard wheel 5 and moves towards.Transmission device includes wheel mobile device one and the mobile dress of wheel
Two are set, wheel mobile device one and wheel mobile device two are separately mounted to the two sides of the two-sided rack 2；Wheel mobile device one is wrapped
Include Double-gear 1 and single-side rack 4, Double-gear 1 includes one 3-2 of one 3-1 of gear wheel and pinion gear, one 3-1 of gear wheel and double
The side tooth of face rack gear 2 is meshed, and one 3-2 of pinion gear is meshed with single-side rack 4；4 downside of single-side rack is equipped with wheel
Bracket 6, standard wheel 5 are mounted on wheel stand 6 by axletree 7.Wheel mobile device two includes Double-gear 2 16 and list
Face rack gear 4, as shown in Fig. 3, Double-gear 2 16 include two 16-2 of two 16-1 of gear wheel and pinion gear, two 16-2 of pinion gear with it is small
One 3-2 of gear is shifted to install；Two 16-1 of gear wheel is meshed with the side tooth of the two-sided rack 2, two 16-2 of pinion gear and single cog
Item 4 is meshed；4 downside of single-side rack is equipped with wheel stand 6, and standard wheel 5 is mounted on wheel stand 6 by axletree 7
On, reset spring 8 is installed, reset spring 8 uses torque spring, and torque spring is socketed on axletree 7 on axletree 7.Make
The stroke and standard wheel stroke ratio of dynamic device 1 are 1:10.
Embodiment 2:
Standard wheel 5 in embodiment 1 uses cargo vehicle single shaft two-wheel group.As shown in Fig. 4, wheel stand 6 is in U
Shape, inverted U-shaped wheel stand 6 include stull 1 and the perpendicular support 1 for being mounted on one 9 both ends of stull and perpendicular support 2 11, axletree 7
It is mounted between perpendicular support 1 and perpendicular support 2 11 and axletree 7 supports one 10 and 2 11 rotation connection of perpendicular support with perpendicular respectively；Two standards
The interval of wheel 5 is mounted on axletree 7.Wheel stand 6 is an integral molding structure, and axletree 7 is rotatably installed in wheel stand 6
On, standard wheel 5 is rotatably installed on axletree 7.
Embodiment 3:
The present embodiment and the difference of embodiment 2 are only that the standard wheel 5 in embodiment 1 is double using cargo vehicle twin shaft
Wheel group.As shown in Fig. 5, wheel stand 6 is in M-shaped, and wheel stand 6 M-shaped includes stull 2 12 and is mounted on
The perpendicular support 3 13 at 2 12 both ends of stull and perpendicular support 4 14, are equipped with perpendicular support 5 15, erect support five between perpendicular support 3 13 and perpendicular support 4 14
15 are mounted in stull 2 12 and are located at the middle position of stull 2 12；There are two axletree 7 is set, two axletrees 7 are installed respectively
Between perpendicular support 3 13 and perpendicular support 5 15 and perpendicular support 4 14 and perpendicular support 5 15 and axletree 7 respectively with perpendicular support 3 13, perpendicular support four
14 are rotatablely connected with perpendicular support 5 15；Two standard wheels 5 are separately mounted on two axletrees 7.Wheel stand 6 is integrally formed knot
Structure, two axletrees 7 are rotatably installed in respectively on wheel stand 6, and two standard wheels 5 are rotatably installed in respectively on two axletrees 7.
Embodiment 4:
The Heavy Traffic highway that certain Highway Maintenance key lab, Department of Transportation positioned at Shandong Province carries out
The track of pavement structure single-point type large size Full-Scale Accelerated Pavement Test research is tested, and test process is as follows:
(a), wheel rolls: the two-sided rack 2 and transmission device are by actuator 1 in loading procedure perpendicular to the fortune in road surface direction
Turn turns to two standard wheels 5 in the backscrolling with actuator 1 for center axis of road table；
(b), wheel resets: torque spring is mounted on axletree 7, automatically by two standards in 1 uninstall process of actuator
Wheel 5 resets in opposite directions；
(c), pavement track measures: being loaded into the reciprocal stone roller of two standard wheels 5 of row in uninstall process in actuator 1
During pressure, deformation test system automatic collection rolls the vertical deformation of way of escape table, i.e. road surface rutting depth every time, such as attached drawing 6
It is shown；
(d), payload values and frequency control: the work that standard wheel 5 passes through loading system perpendicular to the load and frequency of road table
Dynamic device 1 controls.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；The present invention has been described in detail with reference to the aforementioned embodiments as early as possible, and those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (9)
1. single-point type large size full size road surface accelerated loading system track test device, which is characterized in that including actuator, wheel
And the two-sided rack, the two-sided rack are vertically arranged, the top of the two-sided rack is arranged in actuator, and transmission dress is provided on the two-sided rack
It sets, wheel is arranged on transmission device, and transmission device is for realizing the opposite of two sides wheel and moves towards.
2. single-point type large size full size road surface accelerated loading system track test device according to claim 1, feature
It is, the transmission device includes wheel mobile device one and wheel mobile device two, and wheel mobile device one and wheel are mobile
Device two is separately positioned on the two sides of the two-sided rack；
Wheel mobile device one includes Double-gear one and single-side rack, and Double-gear one includes gear wheel one and pinion gear one, canine tooth
Wheel one is meshed with the side tooth of the two-sided rack, and pinion gear one is meshed with single-side rack；Single-side rack downside is provided with vehicle
Wheel support, wheel are mounted on wheel stand by axletree, and reset spring is provided on axletree.
3. single-point type large size full size road surface accelerated loading system track test device according to claim 2, feature
It is, the wheel mobile device two includes Double-gear two and single-side rack, and Double-gear two includes gear wheel two and pinion gear two,
Pinion gear two is shifted to install with pinion gear one；Gear wheel two is meshed with the side tooth of the two-sided rack, pinion gear two and single cog
Item is meshed；Single-side rack downside is provided with wheel stand, and wheel is mounted on wheel stand by axletree, on axletree
It is provided with reset spring.
4. single-point type large size full size road surface accelerated loading system track test device according to claim 1, feature
It is, the stroke and wheel travel ratio of the actuator are 1:10.
5. single-point type large size full size road surface accelerated loading system track test device according to claim 2 or 3, special
Sign is that the wheel uses cargo vehicle single shaft two-wheel group.
6. single-point type large size full size road surface accelerated loading system track test device according to claim 5, feature
It is, the wheel stand is inverted U shape, and inverted U-shaped wheel stand includes stull one and the perpendicular support one that one both ends of stull are arranged in
With perpendicular support two, axletree is arranged between perpendicular support one and perpendicular support two and axletree supports one and two rotation connection of perpendicular support with perpendicular respectively；
Two wheels are arranged at intervals on axletree.
7. single-point type large size full size road surface accelerated loading system track test device according to claim 2 or 3, special
Sign is that the wheel uses cargo vehicle twin shaft two-wheel group.
8. single-point type large size full size road surface accelerated loading system track test device according to claim 7, feature
It is, in M-shaped, wheel stand M-shaped includes stull two and is arranged in two both ends of stull the wheel stand
Perpendicular support three and perpendicular support four, are provided with perpendicular support five between perpendicular support three and perpendicular support four, erect support five and be arranged in stull two and be located at stull
Two middle position；There are two axletree settings, and two axletrees are separately positioned on perpendicular support three and erect support five and perpendicular support four and erect
Between support five and axletree respectively with five rotation connection of perpendicular support three, perpendicular support four and perpendicular support；Two wheels are separately positioned on two axletrees
On.
9. single-point type large size full size road surface accelerated loading system track test device according to claim 3, feature
It is, the reset spring uses torque spring, and torque spring is socketed on axletree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821392766.9U CN208847488U (en) | 2018-08-28 | 2018-08-28 | Single-point type large size full size road surface accelerated loading system track test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821392766.9U CN208847488U (en) | 2018-08-28 | 2018-08-28 | Single-point type large size full size road surface accelerated loading system track test device |
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|---|---|
| CN208847488U true CN208847488U (en) | 2019-05-10 |
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| CN201821392766.9U Active CN208847488U (en) | 2018-08-28 | 2018-08-28 | Single-point type large size full size road surface accelerated loading system track test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060381A (en) * | 2018-08-28 | 2018-12-21 | 齐鲁交通发展集团有限公司 | Single-point type large size full size road surface accelerated loading system track test device and method |
-
2018
- 2018-08-28 CN CN201821392766.9U patent/CN208847488U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060381A (en) * | 2018-08-28 | 2018-12-21 | 齐鲁交通发展集团有限公司 | Single-point type large size full size road surface accelerated loading system track test device and method |
| CN109060381B (en) * | 2018-08-28 | 2024-04-02 | 山东高速集团有限公司 | Rut testing device and rut testing method for single-point type large-scale pavement acceleration loading system |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200903 Address after: 250000 Shandong Province Flyover District of Ji'nan City shadowless Hill Road No. 38 Co-patentee after: Shandong high speed Group Co.,Ltd. Patentee after: SHANDONG TRANSPORTATION INSTITUE Address before: 250031 Shandong Province Flyover District of Ji'nan City shadowless Hill Road No. 38 Co-patentee before: QILU TRANSPORTATION DEVELOPMENT GROUP Co.,Ltd. Patentee before: SHANDONG TRANSPORTATION INSTITUE |
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| TR01 | Transfer of patent right |