CN116754264A - Tire-soil interaction test platform - Google Patents
Tire-soil interaction test platform Download PDFInfo
- Publication number
- CN116754264A CN116754264A CN202310247176.6A CN202310247176A CN116754264A CN 116754264 A CN116754264 A CN 116754264A CN 202310247176 A CN202310247176 A CN 202310247176A CN 116754264 A CN116754264 A CN 116754264A
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- China
- Prior art keywords
- frame
- soil
- tire
- load
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002689 soil Substances 0.000 title claims abstract description 88
- 238000012360 testing method Methods 0.000 title claims abstract description 28
- 230000003993 interaction Effects 0.000 title claims abstract description 27
- 238000005259 measurement Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims 2
- 230000005484 gravity Effects 0.000 abstract description 5
- 239000000725 suspension Substances 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 238000011160 research Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012669 compression test Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/02—Tyres
- G01M17/021—Tyre supporting devices, e.g. chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/16—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/02—Tyres
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/02—Tyres
- G01M17/022—Tyres the tyre co-operating with rotatable rolls
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/007—Subject matter not provided for in other groups of this subclass by applying a load, e.g. for resistance or wear testing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a tire-soil interaction test platform which comprises a soil tank tractor, a six-component force measuring rack, a load frame and a soil tank, wherein the soil tank tractor and the load frame are both positioned in the soil tank, the six-component force measuring rack is fixedly connected between the soil tank tractor and the load frame, the load frame comprises a load box, a frame, tires, a suspension bracket and a limiting bracket, the upper surface of the frame is provided with a sliding connected load box, the lower surface of the frame is provided with a tire in rotary connection, the front end of the frame is fixedly connected with the suspension bracket, the tail part of the frame is fixedly connected with the limiting bracket, and the end part of the limiting bracket is fixedly connected with a limiting wheel. The invention utilizes the soil tank tractor, the six-component force measuring frame, the load frame and the soil tank to form the test platform, is convenient for test staff to study the interaction between the tires on the surface of the load frame and soil, and is matched with the load box with the movable and adjustable surface of the load frame, thereby being convenient for studying the load and the trafficability of the tires on different centers of gravity.
Description
Technical Field
The invention relates to the technical field of soil and tires, in particular to a tire-soil interaction test platform.
Background
The vehicle is subjected to forces and moments from the tires, in addition to air resistance and gravity. Tires are the only ground engaging components of a vehicle that interact with the ground as the vehicle travels or works on the ground. Therefore, research on interactions between tires and the ground has important instructive significance in evaluating the running behavior of vehicles and the influence of tires on the physical properties of the ground.
Because the soil has the characteristic of a dispersion medium and contains a large number of pores, when an agricultural implement runs on the soil, soil particles can approach each other due to external load and vibration, and a subsidence phenomenon occurs, so that the porosity is reduced and the volume weight is increased. Moreover, the tire is seriously compacted and damaged to the soil, so that the soil structure is changed and is difficult to recover, the quality of cultivated soil is reduced, the growth condition of crops is damaged, and the crop yield is reduced; through the deep research and analysis of the interaction of the tire and the soft soil, the stress change of the soil can be predicted, and the reference opinion is provided for reducing the compaction and damage of the soil caused by the operation of agricultural machinery.
At present, a tire finite element model is established in the design and experiment of a tire-soil interaction research platform of Zhao Yajun, a radial compression test is simulated by using the model to obtain an optimal value of the elastic modulus of a tire carcass, the platform can adjust and realize different movement and movement working conditions of the tire, but the platform cannot change the slip rate in the movement process of the tire, and the interaction between the tire and the soil is difficult to research. For this purpose, a tire-soil interaction test platform is proposed.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a tire-soil interaction test platform, which solves the problems that: is a problem of (a).
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a tire-soil interaction test platform, includes soil groove tractor, six component force measuring frame, load frame and soil groove, soil groove tractor and load frame all are located the soil inslot, six component force measuring frame of fixedly connected with between soil groove tractor and the load frame, the load frame includes load case, frame, tire, mounted frame and spacing, the upper surface of frame is equipped with sliding connection's load case, the lower surface of frame is equipped with the tire of swivelling joint, the front end fixedly connected with mounted frame of frame, the afterbody fixedly connected with spacing of frame, the tip fixedly connected with spacing wheel of spacing.
As a further preferable mode of the invention, a sliding component is arranged at the joint of the load box and the frame, the sliding component comprises a supporting beam, a fixed plate and pulleys, the side wall of the supporting beam is fixedly connected with symmetrically distributed fixed plates, and the lower end of the fixed plate is fixedly connected with the pulleys.
As a further preferable mode of the invention, an embedded groove is formed at the lower edge of the fixed plate, a central shaft which is rotationally connected is arranged at the center of the pulley, the central shaft is embedded in the embedded groove and is in sliding connection with the embedded groove, and locking nuts which are in threaded connection are respectively arranged at two ends of the central shaft.
As a further preferable mode of the invention, a guide groove is formed at the edge of the frame, the pulley is embedded in the guide groove and is in sliding connection with the guide groove, a positioning groove is formed on the surface of the pulley, and the positioning groove is buckled and connected with the inner wall of the guide groove.
As a further preferable mode of the invention, the bottom of the load box is fixedly connected with a pushing block, the center of the pushing block is provided with a transversely penetrating threaded hole, the edge of the pushing block is fixedly connected with a wing plate, the surface of the wing plate is provided with a plurality of mounting holes, and the mounting holes are provided with fixing bolts penetrating through the wing plate and in threaded connection with the load box.
As a further preferable mode of the invention, a feed screw rod which is connected in a rotating way is arranged in the frame, the feed screw rod penetrates through the pushing block and is connected with the threaded hole in a rotating way, and a hand wheel is fixedly connected to the outer end of the feed screw rod.
As a further preferable mode of the invention, the connection of the frame and the tire is provided with an axle stand column, the side wall of the axle stand column is provided with a fixed hole, the center of the tire is provided with a socket which is connected in a rotating way, and the socket is embedded in the axle stand column and is connected with the axle stand column in a plug-in way.
As a further preferable mode of the invention, the soil tank is filled with soil, a traction table is arranged at the edge of the soil tank, and the soil tank traction vehicle is positioned on the surface of the traction table and is in rolling connection with the traction table.
(III) beneficial effects
The invention provides a tire-soil interaction test platform. The beneficial effects are as follows:
1. the invention utilizes the soil tank tractor, the six-component force measuring frame, the load frame and the soil tank to form the test platform, so that the load frame is conveniently pulled by the soil tank tractor to move in the soil tank, the interaction between the tires on the surface of the load frame and soil is conveniently researched by test staff, and the load box with the movable and adjustable surface of the load frame is matched, so that the load and trafficability of the tires on different centers of gravity are conveniently researched, and the problem of the trafficability of the tires of agricultural machinery in field transportation is conveniently solved.
2. According to the invention, the sliding component and the pushing block are fixedly connected to the bottom of the load box, and the position of the load box is conveniently adjusted on the surface of the frame by matching with the guide grooves formed in the two sides of the frame and the feed screw in rotary connection, so that the gravity center of the load frame is conveniently changed, and the sliding rate of the tire and the soil surface is changed.
Drawings
FIG. 1 is a schematic view of a tire-soil interaction test platform structure of the present invention;
FIG. 2 is a schematic view of a load frame structure according to the present invention;
FIG. 3 is a schematic view of the bottom structure of the load box of the present invention;
FIG. 4 is a schematic view of a sliding assembly according to the present invention;
fig. 5 is a schematic diagram of a connection structure between a limiting frame and a limiting wheel according to the present invention.
In the figure: the soil groove tractor comprises a soil groove tractor body 1, a six-component force measuring rack body 2, a load frame body 3, a soil groove body 4, a load box 5, a frame body 6, a tire 7, a suspension bracket 8, a limit bracket 9, a limit wheel 10, a sliding component 11, a support beam 12, a fixed plate 13, a pulley 14, an embedded groove 15, a central shaft 16, a lock nut 17, a guide groove 18, a positioning groove 19, a pushing block 20, a threaded hole 21, a wing plate 22, a mounting hole 23, a fixing bolt 24, a feed screw 25, a hand wheel 26, a wheel axle stand 27, a fixing hole 28, a plug seat 29, soil 30 and a traction table 31.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the embodiment of the present invention provides a technical solution: the utility model provides a tire-soil interaction test platform, includes soil groove tractor 1, six component force measurement frame 2, load frame 3 and soil groove 4, soil groove tractor 1 and load frame 3 all are located soil groove 4, six component force measurement frame 2 of fixedly connected with between soil groove tractor 1 and the load frame 3, load frame 3 includes load case 5, frame 6, tire 7, mounted frame 8 and spacing 9, the upper surface of frame 6 is equipped with sliding connection's load case 5, the lower surface of frame 6 is equipped with rotates the tire 7 of connection, the front end fixedly connected with mounted frame 8 of frame 6, the afterbody fixedly connected with spacing 9 of frame 6, the tip fixedly connected with spacing wheel 10 of spacing 9.
Further improved, the junction of load box 5 and frame 6 is equipped with slip subassembly 11, slip subassembly 11 includes supporting beam 12, fixed plate 13 and pulley 14, the lateral wall fixedly connected with symmetric distribution's of supporting beam 12 fixed plate 13, the lower extreme fixedly connected with pulley 14 of fixed plate 13, through being equipped with slip subassembly 11 in the junction of load box 5 and frame 6, conveniently adjust load box 5 along the surface of frame 6 to change the focus position on frame 6 surface, be convenient for change the slip rate in the tire 7 motion.
Further improved, the lower edge of the fixed plate 13 is provided with an embedded groove 15, the center of the pulley 14 is provided with a central shaft 16 which is rotationally connected, the central shaft 16 is embedded in the embedded groove 15 and is in sliding connection with the embedded groove 15, two ends of the central shaft 16 are respectively provided with a locking nut 17 which is in threaded connection, the embedded groove 15 is arranged at the lower edge of the fixed plate 13, and the central shaft 16 which is matched with the center of the pulley 14 is convenient to disassemble and assemble the pulley 14, so that the pulley 14 is convenient to be connected with the fixed plate 13.
Further improved, the edge of the frame 6 is provided with a guide groove 18, the pulley 14 is embedded in the guide groove 18 and is in sliding connection with the guide groove 18, the surface of the pulley 14 is provided with a positioning groove 19, the positioning groove 19 is buckled and connected with the inner wall of the guide groove 18, the edge of the frame 6 is provided with the guide groove 18, and the pulley 14 is matched with the positioning groove 19 provided on the surface of the pulley 14, so that the stability of the surface connection of the pulley 14 on the frame 6 is improved.
Further improved, the bottom fixedly connected with impeller 20 of load case 5, horizontal threaded hole 21 that runs through has been seted up to the center of impeller 20, the edge fixedly connected with pterygoid lamina 22 of impeller 20, a plurality of mounting holes 23 have been seted up on the surface of pterygoid lamina 22, mounting hole 23 is equipped with runs through pterygoid lamina 22 and with load case 5 threaded connection's fixing bolt 24, through the impeller 20 of threaded hole 21 in the bottom fixedly connected with of load case 5, conveniently moves back and forth to load case 5 to be convenient for change the focus of load case 5 on frame 6 surface, and detachable connection's impeller 20, more conveniently carry out the dismouting to impeller 20.
Further improved, the inside of frame 6 is equipped with the feed screw 25 of rotation connection, feed screw 25 runs through the impeller 20 and rotates with screw hole 21 to be connected, the outer end fixedly connected with hand wheel 26 of feed screw 25, through being equipped with the feed screw 25 that is connected with impeller 20 in the inside of frame 6, makes things convenient for the manual convenience of operation to remove load box 5.
Further improved, the connection of frame 6 and tire 7 is equipped with shaft stand 27, fixed orifices 28 have been seted up to the lateral wall of shaft stand 27, the center of tire 7 is equipped with the socket 29 of rotating the connection, socket 29 is embedded in shaft stand 27 and is pegged graft with shaft stand 27 and be connected, through being equipped with shaft stand 27 in the junction of frame 6 and tire 7, conveniently dismouting to tire 7, the fixed orifices 28 of cooperation shaft stand 27 lateral wall offer, conveniently carries out lifting adjustment to tire 7, is convenient for carry out free regulation, operation in the test.
Specifically improved, soil 30 has been filled to the inside of soil bin 4, the edge of soil bin 4 is equipped with pulls platform 31, soil bin tractor 1 is located the surface of pulling platform 31 and with pull platform 31 roll connection, through being equipped with soil 30 in the inside of soil bin 4, conveniently test, study to the interact between the tire 7 of load frame 3 and the soil, through being equipped with at the edge of soil bin 4 and pull platform 31, guarantee the traction power of soil bin tractor 1, avoid soil bin tractor 1 to cause the influence to the test result.
In the invention, during the test, the soil tank tractor 1 is utilized to pull the load frame 3 to move in the soil tank 4 through the six-component force measuring frame 2, the positions of the limiting wheels 10 at the two ends of the limiting frame 9 are manually adjusted, so that the limiting wheels 10 are respectively in rolling connection with the inner wall of the soil tank 4, the load frame 3 is prevented from shifting in the moving process, the load frame 3 is enabled to perform linear motion, the influence on the test result is reduced, and in the test process, the trafficability of the tire 7 on the soil surface is conveniently tested and recorded under different loads by adding different weight loads into the load box 5; when the gravity center position of the load frame 3 is adjusted, the hand wheel 26 at the end part of the feed screw is manually rotated, so that the pushing block 20 is driven to move along the axial direction of the feed screw, the pulley 14 rolls along the surface of the guide groove 18, the load box 5 is conveniently adjusted, and meanwhile, the stability of connection between the load box 5 and the frame 6 is improved.
The invention solves the problems that a tire finite element model is established in the design and experiment of a tire-soil interaction research platform of Zhao Yajun, a radial compression test is simulated by utilizing the model to obtain an optimal value of the elastic modulus of a tire carcass, the platform can adjust and realize different movement working conditions of the tire, but the platform can not change the slip rate in the movement process of the tire, and is difficult to research the interaction between the tire and the soil.
In the description of the present invention, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a tire-soil interaction test platform, includes soil groove tractor (1), six component force measurement frame (2), load frame (3) and soil groove (4), its characterized in that: soil groove tractor (1) and load frame (3) all are located soil groove (4), six component force measurement frame (2) of fixedly connected with between soil groove tractor (1) and load frame (3), load frame (3) are including load case (5), frame (6), tire (7), mounted frame (8) and spacing (9), the upper surface of frame (6) is equipped with sliding connection's load case (5), the lower surface of frame (6) is equipped with tire (7) of swivelling joint, the front end fixedly connected with mounted frame (8) of frame (6), afterbody fixedly connected with spacing (9) of frame (6), the tip fixedly connected with spacing (10) of spacing (9).
2. A tire-soil interaction test platform according to claim 1, wherein: the utility model discloses a load box, including load box (5), frame (6), load box, fixed plate (13) and pulley (14), the junction of load box (5) and frame (6) is equipped with slip subassembly (11), slip subassembly (11) include a supporting beam (12), the lateral wall fixedly connected with symmetric distribution's of supporting beam (12) fixed plate (13), the lower extreme fixedly connected with pulley (14) of fixed plate (13).
3. A tire-soil interaction test platform according to claim 2, wherein: the lower edge of fixed plate (13) has seted up embedded groove (15), the center of pulley (14) is equipped with center pin (16) of rotation connection, center pin (16) are embedded in embedded groove (15) and with the sliding connection of embedded groove (15), the both ends of center pin (16) are equipped with lock nut (17) of threaded connection respectively.
4. A tire-soil interaction test platform according to claim 3, wherein: the edge of frame (6) has seted up guide way (18), pulley (14) are embedded in guide way (18) and with guide way (18) sliding connection, constant head tank (19) have been seted up on the surface of pulley (14), constant head tank (19) are connected with guide way (18) inner wall lock.
5. A tire-soil interaction test platform according to claim 1, wherein: the bottom fixedly connected with of load case (5) promotes piece (20), transversely run through screw hole (21) have been seted up at the center of promoting piece (20), the edge fixedly connected with pterygoid lamina (22) of promoting piece (20), a plurality of mounting holes (23) have been seted up on the surface of pterygoid lamina (22), mounting hole (23) are equipped with and run through pterygoid lamina (22) and with load case (5) threaded connection's fixing bolt (24).
6. A tire-soil interaction test platform according to claim 5, wherein: the inside of frame (6) is equipped with feed screw (25) of swivelling joint, feed screw (25) run through pushing block (20) and with screw hole (21) swivelling joint, the outer end fixedly connected with hand wheel (26) of feed screw (25).
7. A tire-soil interaction test platform according to claim 1, wherein: the bicycle is characterized in that an axle stand column (27) is arranged between the bicycle frame (6) and the tire (7), a fixing hole (28) is formed in the side wall of the axle stand column (27), a plug seat (29) which is connected in a rotating mode is arranged in the center of the tire (7), and the plug seat (29) is embedded in the axle stand column (27) and is connected with the axle stand column (27) in a plug mode.
8. A tire-soil interaction test platform according to claim 1, wherein: the soil tank is characterized in that soil (30) is filled in the soil tank (4), a traction table (31) is arranged at the edge of the soil tank (4), and the soil tank tractor (1) is located on the surface of the traction table (31) and is in rolling connection with the traction table (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310247176.6A CN116754264A (en) | 2023-07-06 | 2023-07-06 | Tire-soil interaction test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310247176.6A CN116754264A (en) | 2023-07-06 | 2023-07-06 | Tire-soil interaction test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116754264A true CN116754264A (en) | 2023-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310247176.6A Pending CN116754264A (en) | 2023-07-06 | 2023-07-06 | Tire-soil interaction test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116754264A (en) |
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