CN108548663A - A kind of Novel rural equipment silt frictional wear test device - Google Patents
A kind of Novel rural equipment silt frictional wear test device Download PDFInfo
- Publication number
- CN108548663A CN108548663A CN201810309602.3A CN201810309602A CN108548663A CN 108548663 A CN108548663 A CN 108548663A CN 201810309602 A CN201810309602 A CN 201810309602A CN 108548663 A CN108548663 A CN 108548663A
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- main box
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- fixedly connected
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- test device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- 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
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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- General Physics & Mathematics (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of Novel rural equipment silt frictional wear test devices, including main box, the inner top of the main box is equipped with feeding mouth, the bottom of main box side inner wall is equipped with discharge port, baffle is rotatably connected to by first rotating shaft in the discharge port, the first torque spring is arranged in the first rotating shaft, the both ends of first torque spring are fixedly connected with the inner wall of baffle and discharge port respectively, the one end of the baffle far from first rotating shaft is fixedly connected with fixed block, latch segment corresponding with fixed block is fixedly connected on the outer wall of the main box, the fixed block and latch segment are equipped with corresponding two keepers in position.The setting that the present invention passes through supporting block and control block, it is effective to reduce error existing for Equipment Inspection Institute when device being made to examine agricultural machinery and implement, while the setting of many places mounting table can be passed through, so that equipment is carried out while test a variety of agricultural machinery and implement, improves the checkability of equipment.
Description
Technical field
The present invention relates to tribological test technical fields more particularly to a kind of Novel rural equipment silt friction-wear test to fill
It sets.
Background technology
Agricultural machinery and implement refer to Yi Jinong, livestock products preliminary working and processed during crop-planting industry and Animal husbandry production
Various machineries used in journey, agricultural machinery include farm power machinery, farmland construction machinery, soil cultivating machine, plantation
With fertilizer machinery, plant protection mechanism, farmland discharging-irrigating machinery, crop harvesting machine, agricultural product processing machinery, animal husbandry machinery and
Farm transportation machinery etc., in agricultural production, fretting wear drastically influences always service life and the efficiency of agricultural machinery, gives
Modern agricultural production bring it is huge lost, or even threaten the personal safety of agricultural machinery experimenter, therefore
Studying the fretting wear situation of various agricultural machinery and implement is just particularly important.
But existing testing equipment structure is relatively simple, and when testing to agricultural machinery and implement, the resultant error of unit check
It is larger, while equipment can only generally test single test specimen, and defective is used there are prodigious.
Therefore, it is necessary to design a kind of Novel rural equipment silt frictional wear test device to solve experiment in the prior art
Device structure is relatively simple, and when testing to agricultural machinery and implement, the resultant error of unit check is larger, while equipment generally can only be right
Single test specimen is tested, and there are problems that prodigious use defective.
Invention content
The purpose of the present invention is to solve testing equipment structure in the prior art is relatively simple, test to agricultural machinery and implement
When, the problem of resultant error of unit check is larger, while equipment can only generally test single test specimen, and carry
A kind of Novel rural equipment silt frictional wear test device gone out.
To achieve the goals above, present invention employs following technical solutions：
The inner top of a kind of Novel rural equipment silt frictional wear test device, including main box, the main box is equipped with pan feeding
Mouthful, the bottom of main box side inner wall is equipped with discharge port, and the discharge port is interior to be rotatably connected to baffle by first rotating shaft,
Be arranged with the first torque spring in the first rotating shaft, the both ends of first torque spring respectively in baffle and discharge port
Wall is fixedly connected, and the one end of the baffle far from first rotating shaft is fixedly connected with fixed block, is fixed on the outer wall of the main box
It is connected with latch segment corresponding with fixed block, the fixed block and latch segment are equipped with corresponding two keepers in position, two
It is connected by bolt between the keeper, the main box is fixedly connected with driving electricity on the outer wall far from discharge port side
The output end of machine, the driving motor is fixedly connected with drive link, and main tank is run through in the one end of the drive link far from driving motor
The outer wall of body simultaneously extends internally, the inner wall rotation connection of one end and main box that the drive link extends, and the drive link is separate
One end fixing sleeve of driving motor is connected to supporting block, is rotated in the supporting block and is socketed with control block, the edge of the control block
Several supporting rods being placed equidistant with are fixedly connected with, the one end of the supporting rod far from control block is rotatably connected to connecting rod, described
The edge of supporting block is fixedly connected with several bearing bars being correspondingly arranged with supporting rod, passes through between the bearing bar and connecting rod
Two shafts are rotatablely connected, and the described one end of second shaft far from connecting rod is through bearing bar and is fixedly connected with mounting table, described to put
It sets and is equipped with sliding slot in platform, threaded rod is rotatably connected in the sliding slot, one end of the threaded rod is run through the inner wall of sliding slot and consolidated
Surely it is connected with fixed link, the one end of the fixed link far from threaded rod is equipped with handle, between one end and fixed link of the handle
It is connected by telescopic rod, the one end of the handle far from telescopic rod is fixedly connected with kelly, the one end of the kelly far from handle
Through fixed link and it is fixedly connected with fixture block, around equipped with several card slots corresponding with kelly, institute on the outer wall of the mounting table
It states the threaded one end that threaded rod is located in sliding slot to be socketed there are two the stripper plate being oppositely arranged, the stripper plate is far from threaded rod
One end runs through the notch of sliding slot and extends outwardly, and the main box is fixedly connected with close to the bottom of driving motor side outer wall to be stretched
The output end of contracting motor, the telescope motor runs through the outer wall of main box and extends internally, one end that the telescope motor extends
It is fixedly connected with push plate, the edge of the push plate and the inner wall of main box are in contact.
Preferably, it is inserted with filter screen in the feeding mouth.
Preferably, close to one end of driving motor, rotation is socketed with sealing ring, the side of the sealing ring to the drive link
It offsets with the inner wall of main box.
Preferably, the interior basal sliding of the sliding slot is connected with ball, the edge of the ball and the bottom phase of stripper plate
Contact.
Preferably, spring is arranged on the telescopic rod, the both ends of the spring are fixed with fixed link and handle respectively to be connected
It connects.
Preferably, the push plate is connected between the side of telescope motor and the inner wall of main box by damping shock absorber
It connects.
Preferably, it is fixedly attached rubber sleeve on the handle.
Preferably, the bottom of the main box is equipped with mobile device.
In the present invention, agricultural machinery and implement when in use, are first placed on mounting table by user, then pull handle drives kelly from putting
It sets in the card slot on platform and extracts out, then swing handle drives threaded rod rotation, and two stripper plates of control move toward one another, to fixed
Then firmly agricultural machinery and implement unclamp handle, automatic rebounding is into card slot under the action of the spring for handle at this time, then by silt from main tank
It is poured into pan feeding at the top of body, filter screen can carry out silt certain filtration at this time, then open driving motor band
Dynamic drive rod rotation makes drive link drive supporting block rotation, by the effect of connecting rod and the second shaft in control block, makes placement
Platform is always maintained at vertical state, to make agricultural machinery and implement rub with vertical state and silt always, to improve the standard of inspection
True property, after being verified, bolt is extracted, and then opens baffle, then is opened telescope motor and driven push plate by the mud in main box
Sand is cleaned out.The present invention effectively reduces equipment by the setting of supporting block and control block when device being made to examine agricultural machinery and implement
Error existing for inspection institute, while equipment can be allow to carry out simultaneously a variety of agricultural machinery and implement by the setting of many places mounting table
Experiment, improves the checkability of equipment.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of Novel rural equipment silt frictional wear test device proposed by the present invention；
Fig. 2 is a kind of side structure schematic view of Novel rural equipment silt frictional wear test device proposed by the present invention；
Fig. 3 is structural schematic diagram at the A of Fig. 1；
Fig. 4 is structural schematic diagram at the B of Fig. 3；
Fig. 5 is structural schematic diagram at the C of Fig. 2；
Fig. 6 is structural schematic diagram at the D of Fig. 2.
In figure：1 main box, 2 first rotating shafts, 3 baffles, 4 fixed blocks, 5 latch segments, 6 bolts, 7 driving motors, 8 drive links,
9 supporting blocks, 10 control blocks, 11 supporting rods, 12 connecting rods, 13 bearing bars, 14 second shafts, 15 mounting tables, 16 threaded rods, 17 are fixed
Bar, 18 handles, 19 telescopic rods, 20 kellies, 21 fixture blocks, 22 stripper plates, 23 telescope motors, 24 push plates, 25 filter screens, 26 sealings
Circle, 27 balls, 28 springs, 29 damping shock absorbers, 30 feeding mouths, 31 discharge ports, 32 sliding slots, 33 card slots.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term "upper", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention
Referring to Fig.1-6, a kind of Novel rural equipment silt frictional wear test device, including main box 1, the inner top of main box 1
Equipped with feeding mouth 30, for pouring into silt, the bottom of 1 side inner wall of main box is equipped with discharge port 31, for clearing up silt, discharges
Baffle 3 is rotatably connected to by first rotating shaft 2 in mouth 31, for blocking discharge port 31, the first torsion is arranged in first rotating shaft 2
Spring provides certain torque force support to baffle 3, and baffle 3 is allow to automatically spring open, the both ends of the first torque spring respectively with gear
Plate 3 is fixedly connected with the inner wall of discharge port 31, and the one end of baffle 3 far from first rotating shaft 2 is fixedly connected with fixed block 4, for solid
Determine baffle 2, latch segment 5 corresponding with fixed block 4 is fixedly connected on the outer wall of main box 1, it is fixed for fixing fixed block 3
Block 4 and latch segment 5 are equipped with corresponding two keepers in position, are connected by bolt 6 between two keepers, for locking gear
Plate 3.
Main box 1 is fixedly connected with driving motor 7 on the outer wall far from 31 side of discharge port, for driving 8 turns of drive link
Dynamic, the output end of driving motor 7 is fixedly connected with drive link 8, and the one end of drive link 8 far from driving motor 7 is through main box 1
Outer wall simultaneously extends internally, and the inner wall rotation connection of one end and main box 1 that drive link 8 extends, drive link 8 is far from driving motor 7
One end fixing sleeve be connected to supporting block 9, for driving bearing bar 13 to rotate, in supporting block 9 rotation be socketed with control block 10, be used for
Keep 15 holding of mounting table horizontal, so as to rub to agricultural machinery same plane, if the edge of control block 10 is fixedly connected with
The dry supporting rod 11 being placed equidistant with, is used to support connecting rod 12, and the one end of supporting rod 11 far from control block 10 is rotatably connected to connecting rod
12, it is used to support the second shaft 14, several bearing bars 13 being correspondingly arranged with supporting rod 11 are fixedly connected in supporting block 9, is used
In connection mounting table 15, it is rotatablely connected by the second shaft 14 between bearing bar 13 and connecting rod 12, the second shaft 14 is far from connecting rod
12 one end is through bearing bar 13 and is fixedly connected with mounting table 15, for placing agricultural machinery and implement.
It is equipped with sliding slot 32 in mounting table 15, is rotatably connected to threaded rod 16 in sliding slot 32, passes through the thread belt of threaded rod 16
Dynamic stripper plate 22 moves, and one end of threaded rod 16 runs through the inner wall of sliding slot 32 and is fixedly connected with fixed link 17, for fixing handle
Hand 18, the one end of fixed link 17 far from threaded rod 16 is equipped with handle 18, for rotating threaded rod 16, one end of handle 18 and fixation
It is connected by telescopic rod 19 between bar 17, prevents handle 18 from rotating, the one end of handle 18 far from telescopic rod 19 is fixedly connected with card
Bar 20, for fixing handle 18, the one end of kelly 20 far from handle 18 is through fixed link 17 and is fixedly connected with fixture block 21, prevents
Only kelly 20 is detached from from fixed link 17, around equipped with several card slots corresponding with kelly 20, screw thread on the outer wall of mounting table 15
Bar 16 is located at the socket of the threaded one end in sliding slot 32, and there are two the stripper plates 22 being oppositely arranged, so that two stripper plates 22 move in opposite directions
Dynamic to fix agricultural machinery and implement, the one end of stripper plate 22 far from threaded rod 16 runs through the notch of sliding slot 32 and extends outwardly.
Main box 1 is fixedly connected with telescope motor 23 close to the bottom of 7 side outer wall of driving motor, for driving push plate 24
Mobile, the output end of telescope motor 23 runs through the outer wall of main box 1 and extends internally, and one end that telescope motor 23 extends, which is fixed, to be connected
It is connected to push plate 24, for clearing up silt, the edge of push plate 24 and the inner wall of main box 1 are in contact.
In the present invention, filter screen 25 is inserted in feeding mouth 30, for filtering silt, drive link 8 is close to driving motor 7
One end rotation is socketed with sealing ring 26, and the side of sealing ring 26 and the inner wall of main box 1 offset, and prevent silt from entering driving motor
In 7, the interior basal sliding of sliding slot 32 is connected with ball 27, and the edge of ball 27 and the bottom connection of stripper plate 22 touch, reduce and squeeze
Frictional force between pressing plate 22 and sliding slot 32, is arranged with spring 28 on telescopic rod 19, the both ends of spring 28 respectively with fixed link 17
It is fixedly connected with handle 18, makes kelly 20 can be with automatic rebounding into card slot, push plate 24 is close to the side of telescope motor 23 and main tank
It is connected, is played a certain role of shock absorption and buffering by damping shock absorber 29 between the inner wall of body 1, fixing sleeve is connected to rubber on handle 18
Gum cover facilitates swing handle 18, the bottom of main box 1 to be equipped with mobile device, be moved easily main box 1.
In the present invention, first agricultural machinery and implement are placed on mounting table 15, then pull handle 18 drives kelly 20 from mounting table 15
Card slot in extract out, simultaneous retractable bar 19 can prevent handle 18 rotate, then swing handle 18 drive threaded rod 16 rotate, control
Two stripper plates 22 of system move toward one another, and to fix agricultural machinery and implement, then unclamp handle 18, at this time work of the handle 18 in spring 28
With lower automatic rebounding into card slot, then silt is poured into from the pan feeding at 1 top of main box, filter screen 25 can be to mud at this time
Sand carries out certain filtration, prevents the large granular impurity in silt from entering in main box 1, influences the accuracy of detection, this
In filter screen 25 can be replaced, by replace can select the suitable filter screen of sizing grid.
Opening driving motor 7 drives drive link 8 to rotate, and makes drive link 8 that supporting block 9 be driven to rotate, by control block 10
Connecting rod 12 and the second shaft 14 effect, so that mounting table 15 is always maintained at vertical state, to make agricultural machinery and implement always with vertical
State rubs with silt, and to improve the accuracy of inspection, after being verified, bolt 6 is extracted, and then opens baffle 3,
Opening telescope motor 23 again drives push plate 24 to clean out the silt in main box 1.
It is realized by above-mentioned apparatus and reduces error existing for Equipment Inspection Institute, while can setting by many places mounting table
It sets, so that equipment is carried out while test a variety of agricultural machinery and implement, improve the checkability of equipment, solve examination in the prior art
It is relatively simple to test device structure, when testing to agricultural machinery and implement, the resultant error of unit check is larger, while equipment generally can only
The problem of single test specimen is tested.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of Novel rural equipment silt frictional wear test device, including main box（1）, which is characterized in that the main box
（1）Inner top be equipped with feeding mouth（30）, the main box（1）The bottom of side inner wall is equipped with discharge port（31）, the discharging
Mouthful（31）Inside pass through first rotating shaft（2）It is rotatably connected to baffle（3）, the first rotating shaft（2）On be arranged with the first torque spring,
The both ends of first torque spring respectively with baffle（3）And discharge port（31）Inner wall be fixedly connected, the baffle（3）It is separate
First rotating shaft（2）One end be fixedly connected with fixed block（4）, the main box（1）Outer wall on be fixedly connected with and fixed block
（4）Corresponding latch segment（5）, the fixed block（4）And latch segment（5）It is equipped with corresponding two keepers in position, two institutes
It states and passes through bolt between keeper（6）Connection, the main box（1）Far from discharge port（31）It is fixedly connected on the outer wall of side
Driving motor（7）, the driving motor（7）Output end be fixedly connected with drive link（8）, the drive link（8）Far from driving
Motor（7）One end run through main box（1）Outer wall and extend internally, the drive link（8）One end of extension and main box（1）
Inner wall rotation connection, the drive link（8）Far from driving motor（7）One end fixing sleeve be connected to supporting block（9）, the support
Block（9）Upper rotation is socketed with control block（10）, the control block（10）Edge be fixedly connected with several supports being placed equidistant with
Bar（11）, the supporting rod（11）Far from control block（10）One end be rotatably connected to connecting rod（12）, the supporting block（9）It is upper solid
Surely it is connected with and supporting rod（11）Several bearing bars being correspondingly arranged（13）, the bearing bar（13）And connecting rod（12）Between pass through
Second shaft（14）Rotation connection, second shaft（14）Far from connecting rod（12）One end run through bearing bar（13）And fixed company
It is connected to mounting table（15）, the mounting table（15）It is interior to be equipped with sliding slot（32）, the sliding slot（32）Inside it is rotatably connected to threaded rod
（16）, the threaded rod（16）One end run through sliding slot（32）Inner wall and be fixedly connected with fixed link（17）, the fixed link
（17）Far from threaded rod（16）One end be equipped with handle（18）, the handle（18）One end and fixed link（17）Between by stretching
Contracting bar（19）Connection, the handle（18）Far from telescopic rod（19）One end be fixedly connected with kelly（20）, the kelly（20）
Far from handle（18）One end run through fixed link（17）And it is fixedly connected with fixture block（21）, the mounting table（15）Outer wall on ring
It is arranged with and kelly（20）Corresponding several card slots（33）, the threaded rod（16）Positioned at sliding slot（32）Interior threaded one end socket
There are two the stripper plates being oppositely arranged（22）, the stripper plate（22）Far from threaded rod（16）One end run through sliding slot（32）Slot
Mouth simultaneously extends outwardly, the main box（1）Close to driving motor（7）The bottom of side outer wall is fixedly connected with telescope motor
（23）, the telescope motor（23）Output end run through main box（1）Outer wall and extend internally, the telescope motor（23）Prolong
The one end stretched is fixedly connected with push plate（24）, the push plate（24）Edge and main box（1）Inner wall be in contact.
2. a kind of Novel rural equipment silt frictional wear test device according to claim 1, which is characterized in that it is described enter
Material mouth（30）Inside it is inserted with filter screen（25）.
3. a kind of Novel rural equipment silt frictional wear test device according to claim 1, which is characterized in that the biography
Lever（8）Close to driving motor（7）One end rotation be socketed with sealing ring（26）, the sealing ring（26）Side and main box
（1）Inner wall offset.
4. a kind of Novel rural equipment silt frictional wear test device according to claim 1, which is characterized in that the cunning
Slot（32）Interior basal sliding be connected with ball（27）, the ball（27）Edge and stripper plate（22）Bottom connection touch.
5. a kind of Novel rural equipment silt frictional wear test device according to claim 1, which is characterized in that described to stretch
Contracting bar（19）On be arranged with spring（28）, the spring（28）Both ends respectively with fixed link（17）And handle（18）It is fixed to connect
It connects.
6. a kind of Novel rural equipment silt frictional wear test device according to claim 1, which is characterized in that described to push away
Plate（24）Close to telescope motor（23）Side and main box（1）Inner wall between pass through damping shock absorber（29）Connection.
7. a kind of Novel rural equipment silt frictional wear test device according to claim 1, which is characterized in that described
Hand（18）On be fixedly attached rubber sleeve.
8. a kind of Novel rural equipment silt frictional wear test device according to claim 1, which is characterized in that the master
Babinet（1）Bottom be equipped with mobile device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810309602.3A CN108548663A (en) | 2018-04-09 | 2018-04-09 | A kind of Novel rural equipment silt frictional wear test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810309602.3A CN108548663A (en) | 2018-04-09 | 2018-04-09 | A kind of Novel rural equipment silt frictional wear test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108548663A true CN108548663A (en) | 2018-09-18 |
Family
ID=63514391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810309602.3A Pending CN108548663A (en) | 2018-04-09 | 2018-04-09 | A kind of Novel rural equipment silt frictional wear test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108548663A (en) |
Citations (7)
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|---|---|---|---|---|
| CN202471412U (en) * | 2012-03-30 | 2012-10-03 | 黑龙江八一农垦大学 | Soil cultivation part friction-wear test equipment for agricultural implements |
| CN105021482A (en) * | 2014-04-29 | 2015-11-04 | 西华大学 | Agricultural implement and soil abrasive wear testing machine |
| CN204944969U (en) * | 2015-09-11 | 2016-01-06 | 邓金侠 | A kind of agricultural machinery and implement material friction-abrasion tester |
| CN205015238U (en) * | 2015-10-14 | 2016-02-03 | 西华大学 | Novel agricultural implement silt friction and wear is experimental device |
| CN205049428U (en) * | 2015-05-21 | 2016-02-24 | 西华大学 | Novel agricultural implement friction wear testing machine |
| US20160377520A1 (en) * | 2015-06-26 | 2016-12-29 | Loran R. Balvanz | Ground Engagement Accelerated Wear Testing Device and Method |
| CN106769581A (en) * | 2017-01-04 | 2017-05-31 | 西华大学 | A kind of Multifunctional agricultural implement frictional wear test device |
-
2018
- 2018-04-09 CN CN201810309602.3A patent/CN108548663A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202471412U (en) * | 2012-03-30 | 2012-10-03 | 黑龙江八一农垦大学 | Soil cultivation part friction-wear test equipment for agricultural implements |
| CN105021482A (en) * | 2014-04-29 | 2015-11-04 | 西华大学 | Agricultural implement and soil abrasive wear testing machine |
| CN205049428U (en) * | 2015-05-21 | 2016-02-24 | 西华大学 | Novel agricultural implement friction wear testing machine |
| US20160377520A1 (en) * | 2015-06-26 | 2016-12-29 | Loran R. Balvanz | Ground Engagement Accelerated Wear Testing Device and Method |
| CN204944969U (en) * | 2015-09-11 | 2016-01-06 | 邓金侠 | A kind of agricultural machinery and implement material friction-abrasion tester |
| CN205015238U (en) * | 2015-10-14 | 2016-02-03 | 西华大学 | Novel agricultural implement silt friction and wear is experimental device |
| CN106769581A (en) * | 2017-01-04 | 2017-05-31 | 西华大学 | A kind of Multifunctional agricultural implement frictional wear test device |
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Application publication date: 20180918 |