CN104132607B - A kind of agricultural machinery chassis frame welding deformation detection platform - Google Patents
A kind of agricultural machinery chassis frame welding deformation detection platform Download PDFInfo
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- CN104132607B CN104132607B CN201410309622.2A CN201410309622A CN104132607B CN 104132607 B CN104132607 B CN 104132607B CN 201410309622 A CN201410309622 A CN 201410309622A CN 104132607 B CN104132607 B CN 104132607B
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- vertical
- motion block
- feed
- welding deformation
- guide rail
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Abstract
The present invention relates to a kind of Frame Welding deformation detection platform, particularly relate to a kind of agricultural machinery chassis frame welding deformation detection platform.It is an object of the invention to provide a kind of low cost, work efficiency is high, easy and simple to handle, can measure the agricultural machinery chassis frame welding deformation detection platform of agricultural machinery chassis frame welding deformation position and deflection, its measurement result is accurately and visual pattern, it is possible to realize the accurate correction of Frame Welding deformation.The present invention is capable of the dial gauge welding deformation amount at three orientation measurement vehicle frames horizontal, vertical, perpendicular, by data wire by real-time for the measurement result of digital display centimeter incoming computer, the deflection of vehicle frame diverse location can be seen intuitively, so that it is determined that correction position and correcting value, decrease the workload of workman, improve the accuracy of Frame Welding distortion correction；Cost is low, easy to operate, improves work efficiency, meets enterprise's needs.
Description
Technical field
The present invention relates to a kind of Frame Welding deformation detection platform, particularly relate to a kind of agricultural machinery chassis frame welding and become
Shape detection platform.
Background technology
Mostly agricultural machinery chassis frame deformation detection is artificial perusal at present, or by bracing wire, tape measure, angle square etc.
Detection Frame Welding deformation position and welding deformation amount, error is big, precision is low in detection, and workload is big, inefficiency.Rare
Using Three-Coordinate Measuring Arm detection agricultural machinery chassis frame welding deformation, measurement result is not directly perceived, and cost is high, it is impossible to extensive
Use.
Summary of the invention
For problem above, it is an object of the invention to provide a kind of low cost, work efficiency high, easy and simple to handle, can
Measure agricultural machinery chassis frame welding deformation position and the agricultural machinery chassis frame welding deformation detection platform of deflection, its
Measurement result is accurately and visual pattern, it is possible to realize the accurate correction of Frame Welding deformation.
In order to achieve the above object, the technical scheme is that
A kind of agricultural machinery chassis frame welding deformation detection platform, it includes mechanical part；Described mechanical part includes
Base mechanism, Three Degree Of Freedom feed mechanism and dial gauge installing mechanism, wherein,
In described base mechanism:
Base plate 6 is threadedly connected on base 7, and adjustable frames 20 is threaded in base 7 times, and located lateral block 24 is with vertical
It is threadedly connected on base plate 6 to locating piece 23；
In described Three Degree Of Freedom feed mechanism:
Longitudinal motor 22 is connected with the leading screw of length feed workbench 3 by shaft coupling；Length feed workbench 3
The leading screw of leading screw and length feed guide rail 13 passes through to be bonded to be connected to synchronizing belt gear respectively；Longitudinal synchronous cog belt 21 one end is placed in
On the synchronizing belt gear of the leading screw of length feed workbench 3, the other end is placed in the Timing Belt tooth of the leading screw of length feed guide rail 13
On wheel；First longitudinal motion block 401 and second longitudinal motion block 402 are all respectively provided with screwed hole and through hole；Length feed workbench 3
Screw set is in the screwed hole of first longitudinal motion block 401, and the screw set of length feed guide rail 13 is at the spiral shell of second longitudinal motion block 402
In pit；The leader casing of length feed workbench 3 in the through hole of first longitudinal motion block 401, the guide rod of length feed guide rail 13
It is enclosed within the through hole of second longitudinal motion block 402；Length feed workbench 3 and length feed guide rail 13 are threadingly attached to base plate
On 6；
Vertical motor 16 is connected with the leading screw of vertical Feed table 14 by shaft coupling；Vertical Feed table 14
Leading screw and the leading screw of vertical feeding guide rail 1 be connected to synchronizing belt gear by being bonded respectively；Vertical synchronous cog belt 12 one end is put
On the synchronizing belt gear of the leading screw of vertical Feed table 14, the other end is placed in the Timing Belt of the leading screw of vertical feeding guide rail 1
On gear；First vertical motion block 201 and the second vertical motion block 202 are all respectively provided with screwed hole and through hole；Vertical Feed table
The screw set of 14 is in the screwed hole of the second vertical motion block 202, and the screw set of vertical feeding guide rail 1 is at the first vertical motion block 201
Screwed hole in；Vertically the leader casing of Feed table 14 is in the through hole of the second vertical motion block 202, vertical feeding guide rail 1
Leader casing is in the through hole of the first vertical motion block 201；Vertical Feed table 14 is threadedly connected on second longitudinal motion block 402,
Vertical feeding guide rail 1 is threadedly connected on first longitudinal motion block 401；
Horizontal stepper motor 19 is connected with the leading screw of traverse feed workbench 5 by shaft coupling；Traverse feed workbench 5 leads to
Cross and be threadedly connected on the first vertical motion block 201 and the second vertical motion block 202；Laterally motion block 9 has screwed hole and through hole；Laterally enter
To the screw set of workbench 5 in the screwed hole of horizontal motion block 9；The leader casing of traverse feed workbench 5 leading at horizontal motion block 9
In hole；
In described dial gauge installing mechanism:
Digital display centimeter mounting seat 10 is adsorbed on horizontal motion block 9, and digital display centimeter 11 is fixedly installed in dial gauge and installs
On seat 10.
Described Three Degree Of Freedom feed mechanism also including, proximity switch 17, described proximity switch 17 are threadedly connected to close to opening
Close in mounting seat 18, proximity switch mounting seat 18 respectively with traverse feed workbench 5, length feed workbench 3 and vertical feeding
Workbench 14 is threaded.
Described agricultural machinery chassis frame welding deformation detection platform also includes control part,
In described control part, computer 26 is connected with PLC27 by data wire 25, and PLC27 controls stepping by instruction
Motor driver 29, stepper motor driver 29 controls horizontal stepper motor 19, longitudinal motor 22 and vertical motor
16, the measurement result of digital display centimeter 11 passes through the incoming computer of data wire 25 26；Wherein, described PLC27 and motor drive
Dynamic device 29 is contained in control rosette, by switch 28 control.
Described switch 28 includes remote pilot switch and manual push button switch.
Compared with prior art, the beneficial effects of the present invention is:
The present invention is capable of the dial gauge welding deformation amount at three orientation measurement vehicle frames horizontal, vertical, perpendicular, passes through data wire
By real-time for the measurement result of digital display centimeter incoming computer, can intuitively arrive the deflection of vehicle frame diverse location, thus
Determine correction position and correcting value, decrease the workload of workman, improve the accuracy of Frame Welding distortion correction；Cost becomes
Basis is the lowest, easy to operate, improve work efficiency, meets enterprise's needs.
Accompanying drawing explanation
Fig. 1 is the structural front view of the agricultural machinery chassis frame welding deformation detection platform of the present invention；
Fig. 2 is the structure top view of the agricultural machinery chassis frame welding deformation detection platform of the present invention；
Fig. 3 is the partial enlarged drawing of Fig. 2 of the present invention；
Fig. 4 is the control system schematic diagram of the present invention.
[primary clustering symbol description]
1 vertical feeding guide rail
The 201 first vertical vertical motion blocks of motion block 202 second
3 length feed workbench
The 401 first longitudinal motion blocks of longitudinal motion block 402 second
5 traverse feed workbench 6 base plates
7 base 8 vehicle frames
9 horizontal motion block 10 digital display centimeter mounting seats
The 11 vertical synchronous cog belts of digital display centimeter 12
The 13 vertical Feed tables of length feed guide rail 14
16 vertical motor 17 proximity switches
18 proximity switch mounting seat 19 horizontal stepper motors
The longitudinal synchronous cog belt of 20 adjustable frames 21
22 longitudinal motor 23 longitudinal register blocks
24 located lateral block 25 data wires
26 computer 27 PLC
28 switch 29 stepper motor drivers
Detailed description of the invention
Below, in conjunction with accompanying drawing and embodiment, explain the present invention in further detail.
As depicted in figs. 1 and 2, it is the structure master of agricultural machinery chassis frame welding deformation detection platform of the present invention respectively
View and top view, wherein, tri-directions of X, Y, Z represent horizontal, longitudinal direction, vertical direction (vertically) respectively；Fig. 3 is figure of the present invention
The partial enlarged drawing of 2, Fig. 4 is the control system schematic diagram of the present invention.
Wherein, described agricultural machinery chassis frame welding deformation detection platform includes mechanical part and control part.Wherein,
Described mechanical part includes base mechanism, Three Degree Of Freedom feed mechanism and dial gauge installing mechanism.
In described base mechanism, base 7 is welded by channel-section steel, and base plate 6 is secured by bolts on base 7, scalable
Base 20 is threaded in base 7 times, and located lateral block 24 and longitudinal register block 23 are bolted to the top of base plate 6.
In described Three Degree Of Freedom feed mechanism, longitudinal motor 22 silk by shaft coupling with length feed workbench 3
Thick stick connects, and longitudinal motor 22 rotates, and drives the screw turns of length feed workbench 3.The leading screw of length feed workbench 3
Being connected by spline respectively with the leading screw of length feed guide rail 13 and have synchronizing belt gear, longitudinal synchronous cog belt 21 one end is placed in vertical
On the synchronizing belt gear of the leading screw of Feed table 3, the other end is placed in the synchronizing belt gear of the leading screw of length feed guide rail 13
On, it is achieved the leading screw of length feed workbench 3 and the transmission of the leading screw of length feed guide rail 13.First longitudinal motion block 401 and the
Two longitudinal motion blocks 402 are respectively provided with a screwed hole and two through holes.The screw set of length feed workbench 3 is the most dynamic first
In the screwed hole of block 401, the screw set of length feed guide rail 13 is in the screwed hole of second longitudinal motion block 402, it is achieved screw thread is even
Connect.The screw turns of length feed workbench 3, drives the leading screw of length feed guide rail 13 to turn by longitudinal synchronous cog belt 21
Dynamic, the common longitudinal motion block of drive first 401 and second longitudinal motion block 402 are upper mobile in longitudinal direction (Y-direction).Length feed workbench
The leader casing of 3 is in the through hole of first longitudinal motion block 401, and the leader casing of length feed guide rail 13 is at second longitudinal motion block 402
In through hole, play guide effect.Length feed workbench 3 and length feed guide rail 13 are bolted to connection on base plate 6.
Vertical motor 16 is connected with the leading screw of vertical Feed table 14 by shaft coupling, vertical motor 16 turns
Dynamic, drive the screw turns of vertical Feed table 14.The leading screw of vertical Feed table 14 and the leading screw of vertical feeding guide rail 1
Being connected by spline respectively has synchronizing belt gear, vertical synchronous cog belt 12 one end to be placed in the leading screw of vertical Feed table 14
On synchronizing belt gear, on the synchronizing belt gear of the leading screw that the other end is placed in vertical feeding guide rail 1, it is achieved vertical Feed table 14
Leading screw and the leading screw of vertical feeding guide rail 1 between transmission.First vertical motion block 201 and the second vertical motion block 202 are all distinguished
There are a screwed hole, two through holes.Vertically the screw set of Feed table 14 is in the screwed hole of the second vertical motion block 202,
The screw set of vertical feeding guide rail 1 is in the screwed hole of the first vertical motion block 201, it is achieved threaded.Vertical Feed table
The screw turns of 14, drives the screw turns of vertical feeding guide rail 1 by vertical synchronous cog belt 12, and common drive first is vertical
Motion block 201 and the second vertical motion block 202 in the vertical direction (Z-direction) are mobile.The leader casing of vertical Feed table 14 is the
In the through hole of two vertical motion blocks 202, the leader casing of vertical feeding guide rail 1, in the through hole of the first vertical motion block 201, plays guiding
Effect.Vertical Feed table 14 bolt is fixedly connected on second longitudinal motion block 402, and vertical feeding guide rail 1 bolt is fixing even
It is connected on first longitudinal motion block 401.
Horizontal stepper motor 19 is connected with the leading screw of traverse feed workbench 5 by shaft coupling.Horizontal stepper motor 19 turns
Dynamic, drive the screw turns of traverse feed workbench 5.Traverse feed workbench 5 is bolted to connection and vertically moves in first
On block 201 and the second vertical motion block 202.Laterally motion block 9 has a screwed hole, two through holes.The leading screw of traverse feed workbench 5
It is enclosed within the screwed hole of horizontal motion block 9, it is achieved threaded.The screw turns of traverse feed workbench 5, drives horizontal motion block 9
Transverse shifting (X-direction).The leader casing of traverse feed workbench 5, in the through hole of horizontal motion block 9, play the guiding role.
Proximity switch 17 is threadedly connected in proximity switch mounting seat 18, proximity switch mounting seat 18 by bolt respectively with
Traverse feed workbench 5, length feed workbench 3 and vertical Feed table 14 connect.Described proximity switch 17 plays safety
Protective effect, during in case stop-pass is crossed motor rotation and driven motion block to move, beyond the stroke range of workbench, when motion block arrives
When reaching the detection distance of proximity switch 17, proximity switch 17 action, corresponding motor quits work.
In described dial gauge installing mechanism, digital display centimeter mounting seat 10 is passed through to be magnetically attached on horizontal motion block 9 by force, digital display
Dial gauge 11 is fixedly installed in dial gauge mounting seat 10.
In described control part, computer 26 is connected with PLC27 by data wire 25, and PLC27 controls stepping by instruction
Motor driver 29, and then control horizontal stepper motor 19, longitudinal motor 22 and the action of vertical motor 16, drive
Digital display centimeter 11 is in the motion in three directions horizontal, vertical, perpendicular, thus realizes digital display centimeter 11 at (X, Y, Z) three horizontal, vertical, perpendicular
The welding deformation amount of individual orientation measurement vehicle frame 8.Meanwhile, the measurement result of digital display centimeter 11 passes through the real-time incoming meter of data wire 25
Calculation machine, the display that measurement result can be directly perceived, vivid is in computer 26.
Wherein, PLC27, stepper motor driver 29 are contained in control rosette, by switch 28 control.Switch 28 manual
Press button (a-h) is contained in control rosette, and remote pilot switch (0-7) is held in operator on hand, it is simple to operation.Switch 28
Control the action of (X, Y, Z) three direction motors horizontal, vertical, perpendicular, it is achieved the position feeding of digital display centimeter 11, measure vehicle frame
The welding deformation amount of diverse location.And, switch 28 includes that remote pilot switchs (0-7) and manual push button switch (a-h).Remote control
Controlling switching manipulation convenient, simple, controllable distance is remote, fast response time, and manual push button switch requires closely to operate, it is simple to hands
Dynamic control.
The work process of the present invention a kind of agricultural machinery chassis frame welding deformation detection platform is as follows:
Adjust the nut location on adjustable frames 20 so that base plate 6 level.Locating piece 23 is threadedly connected on base plate 6,
The crossbeam side of the vehicle frame 8 that will detect is close to located lateral block 24, longeron side is close to longitudinal register block 23.
To import in PLC27 by data wire 25 in computer 26, switch 28 control starts PLC27, PLC27 and sends finger
Order, controls horizontal stepper motor 19, longitudinal direction motor 22, vertical motor 16 by stepper motor driver 29 simultaneously
Positive action and counteragent, and, switch 28 can also control time-out and the recovery of work process.
Horizontal stepper motor 19 works, and drives traverse feed workbench 5 screw turns, thus it is horizontal to realize horizontal motion block 9
(X-direction) is mobile.When digital display centimeter 11 probe presses close to the upper surface of frame cross, then the probe of digital display centimeter 11 is laterally
(X-direction) can beat because of frame cross deformation on vertical direction (Z-direction) time mobile, thus measure frame cross and exist
The vertically welding deformation amount of (Z-direction).When digital display centimeter 11 probe presses close to the side of frame cross, then digital display centimeter 11
Pop one's head in and can beat because of frame cross deformation in longitudinal direction (Y-direction) time mobile in laterally (X-direction), thus measure vehicle frame
Crossbeam is at the welding deformation amount of longitudinal direction (Y-direction).By data wire 25 by real-time for the measurement result of digital display centimeter incoming calculating
Machine 26, directly perceived on computer 26 corresponding software, the variation tendency of image display Frame Welding deformation.Workman is according to computer 26
In measurement result, determine correction position and correcting value.Proximity switch 17, for limiting the stroke of horizontal motion block 9, plays safety
Protective effect.
Longitudinal motor 22 works, and drives length feed workbench 3 and length feed by longitudinal synchronous cog belt 21
The screw turns of guide rail 13, thus realize the first longitudinal motion block 401 and second longitudinal motion block 402 longitudinal direction (Y-direction) movement.Work as number
Aobvious dial gauge 11 probe presses close to the upper surface of longitudinal beam, the then meeting when longitudinal direction (Y-direction) is mobile of the probe of digital display centimeter 11
Beat because of longitudinal beam deformation on vertical direction (Z-direction), thus measure the longitudinal beam weldering in vertical (Z-direction)
Connect deflection.When digital display centimeter 11 probe presses close to the side of longitudinal beam, then the probe of digital display centimeter 11 is in longitudinal direction (Y side
To) mobile time can beat because of longitudinal beam deformation in laterally (X-direction), thus measure longitudinal beam in laterally (X side
To) welding deformation amount.By data wire 25 by real-time for the measurement result of digital display centimeter 11 incoming computer, at computer 26
The variation tendency of Frame Welding deformation is intuitively represented, it is simple to vehicle frame 8 welding deformation is accurately corrected on corresponding software.Close
Switch 17, for limiting the stroke of longitudinal motion block, plays safeguard protection effect.
Vertical motor 16 works, and drives vertical Feed table 14 and vertical feeding by vertical synchronous cog belt 12
The screw turns of guide rail 1, thus realize the first vertical motion block 201 and the second vertical motion block 202 and move at vertical direction (Z-direction)
Dynamic, for adjusting the digital display centimeter 11 position at vertical direction, the upper differing heights agricultural machine of vertical direction (Z-direction) can be measured
The welding deformation amount of tool chassis frame, proximity switch 17 is for limiting the first vertical motion block 201 and row of the second vertical motion block 202
Journey, plays safeguard protection effect.
Claims (4)
1. an agricultural machinery chassis frame welding deformation detection platform, it is characterised in that:
It includes mechanical part；Described mechanical part includes base mechanism, Three Degree Of Freedom feed mechanism and dial gauge installing mechanism,
Wherein,
In described base mechanism:
Base plate (6) is threadedly connected on base (7), and adjustable frames (20) is threaded under base (7), located lateral block
(24) it is threadedly connected on base plate (6) with longitudinal register block (23)；
In described Three Degree Of Freedom feed mechanism:
Longitudinal motor (22) is connected with the leading screw of length feed workbench (3) by shaft coupling；Length feed workbench (3)
Leading screw and the leading screw of length feed guide rail (13) be connected to synchronizing belt gear by being bonded respectively；Longitudinal synchronous cog belt (21)
On the synchronizing belt gear of the leading screw that end is placed in length feed workbench (3), the other end is placed in the leading screw of length feed guide rail (13)
Synchronizing belt gear on；First longitudinal motion block (401) and second longitudinal motion block (402) are all respectively provided with screwed hole and through hole；Vertical
To the screw set of Feed table (3) in the screwed hole of first longitudinal motion block (401), the screw set of length feed guide rail (13)
In the screwed hole of second longitudinal motion block (402)；The leader casing of length feed workbench (3) is first longitudinal motion block (401)
In through hole, the leader casing of length feed guide rail (13) is in the through hole of second longitudinal motion block (402)；Length feed workbench (3)
It is threadingly attached on base plate (6) with length feed guide rail (13)；
Vertical motor (16) is connected with the leading screw of vertical Feed table (14) by shaft coupling；Vertical Feed table
(14) leading screw and the leading screw of vertical feeding guide rail (1) pass through to be bonded to be connected to synchronizing belt gear respectively；Vertical synchronous cog belt
(12), on the synchronizing belt gear of the leading screw that one end is placed in vertical Feed table (14), the other end is placed in vertical feeding guide rail (1)
Leading screw synchronizing belt gear on；First vertical motion block (201) and the second vertical motion block (202) are all respectively provided with screwed hole and lead to
Hole；Vertically the screw set of Feed table (14) is in the screwed hole of the second vertical motion block (202), vertical feeding guide rail (1)
Screw set is in the screwed hole of the first vertical motion block (201)；The leader casing of vertical Feed table (14) is at the second vertical motion block
(202), in through hole, the leader casing of vertical feeding guide rail (1) is in the through hole of the first vertical motion block (201)；Vertical feeding work
Platform (14) is threadedly connected on second longitudinal motion block (402), and vertical feeding guide rail (1) is threadedly connected to first longitudinal motion block
(401) on；
Horizontal stepper motor (19) is connected with the leading screw of traverse feed workbench (5) by shaft coupling；Traverse feed workbench (5)
It is threadingly attached on the first vertical motion block (201) and the second vertical motion block (202)；Laterally motion block (9) has screwed hole and leads to
Hole；The screw set of traverse feed workbench (5) is in the screwed hole of horizontal motion block (9)；The leader casing of traverse feed workbench (5)
In the through hole of horizontal motion block (9)；
In described dial gauge installing mechanism:
Digital display centimeter mounting seat (10) is adsorbed on horizontal motion block (9), and digital display centimeter (11) is fixedly installed in dial gauge peace
On dress seat (10).
2. a kind of agricultural machinery chassis frame welding deformation detection platform as claimed in claim 1, it is characterised in that:
Described Three Degree Of Freedom feed mechanism also including, proximity switch (17), described proximity switch (17) are threadedly connected to close to opening
Close on mounting seat (18), proximity switch mounting seat (18) respectively with traverse feed workbench (5), length feed workbench (3) and
Vertical Feed table (14) is threaded.
3. a kind of agricultural machinery chassis frame welding deformation detection platform as claimed in claim 1 or 2, it is characterised in that:
Described agricultural machinery chassis frame welding deformation detection platform also includes control part,
In described control part, computer (26) is connected with PLC (27) by data wire (25), and PLC (27) is controlled by instruction
Stepper motor driver (29), stepper motor driver (29) control horizontal stepper motor (19), longitudinal motor (22) and
Vertical motor (16), the measurement result of digital display centimeter (11) passes through data wire (25) incoming computer (26)；Wherein, institute
State PLC (27) and stepper motor driver (29) is contained in control rosette, switch (28) control.
4. a kind of agricultural machinery chassis frame welding deformation detection platform as claimed in claim 3, it is characterised in that:
Described switch (28) includes remote pilot switch and manual push button switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410309622.2A CN104132607B (en) | 2014-07-01 | 2014-07-01 | A kind of agricultural machinery chassis frame welding deformation detection platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410309622.2A CN104132607B (en) | 2014-07-01 | 2014-07-01 | A kind of agricultural machinery chassis frame welding deformation detection platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104132607A CN104132607A (en) | 2014-11-05 |
| CN104132607B true CN104132607B (en) | 2017-01-04 |
Family
ID=51805382
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410309622.2A Expired - Fee Related CN104132607B (en) | 2014-07-01 | 2014-07-01 | A kind of agricultural machinery chassis frame welding deformation detection platform |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104925465A (en) * | 2015-05-11 | 2015-09-23 | 池州华钛半导体有限公司 | Automatic feed test platform for semiconductors |
| CN105043228A (en) * | 2015-08-28 | 2015-11-11 | 苏州骏发精密机械有限公司 | Apparatus for rapidly gauging deformation level |
| CN107378902A (en) * | 2017-06-26 | 2017-11-24 | 中车长春轨道客车股份有限公司 | A kind of high-precision instrumented wheelset chalker |
| CN107132374A (en) * | 2017-06-26 | 2017-09-05 | 宁波中亿自动化装备有限公司 | Tachometric survey head and auto parts and components rotation-speed measuring device |
| CN107414702A (en) * | 2017-09-14 | 2017-12-01 | 山东大学 | A kind of flexible positioning and the arrangements for automotive doors detection tool device of detection one |
| CN111256643B (en) * | 2020-02-17 | 2021-09-07 | 陕西科技大学 | Comprehensive measuring instrument for cylindricity and pitch of big and small head holes of connecting rod |
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| CN201414284Y (en) * | 2009-05-07 | 2010-03-03 | 刘家华 | Farm machinery chassis |
| CN101704194A (en) * | 2009-11-20 | 2010-05-12 | 无锡亚中自动化设备有限公司 | Automatic magnetic seat milling device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6588189B2 (en) * | 2001-01-09 | 2003-07-08 | Case Corporation | Compound bend chassis frame for a harvesting machine |
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2014
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201414284Y (en) * | 2009-05-07 | 2010-03-03 | 刘家华 | Farm machinery chassis |
| CN101704194A (en) * | 2009-11-20 | 2010-05-12 | 无锡亚中自动化设备有限公司 | Automatic magnetic seat milling device |
Non-Patent Citations (1)
| Title |
|---|
| 玉米收获机底盘车架有限元分析及试验;王想到等;《中国农机化学报》;20140430;第35卷(第2期);第213-215页，第234页 * |
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| CN104132607A (en) | 2014-11-05 |
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