CN202110033U - 10MN (Magnetic North) microcomputer control electro-hydraulic servo force standard machine - Google Patents
10MN (Magnetic North) microcomputer control electro-hydraulic servo force standard machine Download PDFInfo
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- CN202110033U CN202110033U CN201120136927XU CN201120136927U CN202110033U CN 202110033 U CN202110033 U CN 202110033U CN 201120136927X U CN201120136927X U CN 201120136927XU CN 201120136927 U CN201120136927 U CN 201120136927U CN 202110033 U CN202110033 U CN 202110033U
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Abstract
The utility model discloses a 10MN (Magnetic North) microcomputer control electro-hydraulic servo force standard machine which comprises an actuator and a control system. The actuator comprises an alternating current (AC) motor, a chain transmission mechanism, a transverse beam travel limit switch, a transmission threaded sleeve, a transverse beam, a guide screw, a base, a lifting mechanism, an upper pressure plate seat, a lower pressure plate seat, a lower pressure plate seat positioning plate, a standard load sensor, a plunger, a plunger base and a cylinder body. The10MN (Magnetic North) microcomputer control electro-hydraulic servo force standard machine is a large-sized load force detection technical device, has large detection range and high load force, is convenient, practical, stable and reliable, is rapid, accurate and energy-saving and rapid in feedback due to the adoption of the method of controlling gear pump rotation speed to control the pressure of an oil cylinder, adopts a control unit to greatly improve the precision and stability of the force standard machine, and can play an important role in tunnels, bridges, machine manufacture and the like.
Description
Technical field
The utility model relates to a kind of 10MN microcomputer controlled electro-hydraulic servo force standard machines, is a kind of large-scale carrying strength detection technique equipment.
Background technology
Force standard machines is the standard device of in the mechanics metering dynamometer, power and LOAD CELLS etc. being examined and determine or being tested.Force standard machines can be divided into four kinds on the current market on principle, i.e. dead weight formula, lever, fluid pressure type and superposing type force standard machine.Superposing type force standard machine is a kind of novel force standard machines that last century, the eighties just occurred in China; Because it has that price is low, efficient is high, volume is little, easy to use, advantages such as power value that stepless continuous can be provided; So range of application enlarges gradually in recent years, and become dynamometry, the industry of weighing important techniques equipment.With regard to control principle, superposing type force standard machine can be divided into control technologys such as mechanical type, hydraulic servo formula, piezoelectric ceramic type again and realize adding unloaded.
As a kind of large-scale carrying strength detection technique equipment; Force standard machines needs accurate energy measurement to go out the bearing capacity of engineerings such as tunnel, bridge, machine-building; But because force standard machines need of measure precision; Be measurement range can not with had big difference by the dynamometry value, from practicality and economic and practical requirement, current domestic research manufacturing about force standard machines mainly concentrates on below the 2MN.
The accuracy class of force standard machines and stability influence factor are more; For Hydraulic Standard Force Meter; One is exactly cylinder pressure control than major influence factors; Comparatively popular mode is to control with surplus valve or accumulator at present, but this control mode might produce an overshoot phenomenon when force value reaches setting value, can impact verification result.
Summary of the invention
The purpose of the utility model is the deficiency that overcomes prior art, and a kind of 10MN microcomputer controlled electro-hydraulic servo force standard machines is provided.
10MN microcomputer controlled electro-hydraulic servo force standard machines comprises topworks and control system; Topworks comprises driven sprocket, drive balls chain, speed reduction unit, alternating current generator, chain-drive mechanism, cover top board, crossbeam lead limit switch, transmission swivel nut, crossbeam, bearing, bearings plate, leading screw, top nut, lower nut, base, base cover plate, lifting mechanism, top board seat, presses down panel seat, presses down the panel seat location-plate, scale load sensor, plunger cover plate, plunger, plunger base, oil-in, cylinder body and oil-out; The alternating current generator rotating shaft is connected with chain-drive mechanism through speed reduction unit, and chain-drive mechanism is connected with driven sprocket through the drive balls chain, and driven sprocket is fixed on the transmission swivel nut; It is fixing to match through bearing between transmission swivel nut and the crossbeam; Bearing Installation is on the bearings plate, and the transmission swivel nut can move on screw mandrel, and the leading screw lower end is fixed on the base through top nut and lower nut; Base cover plate and lifting mechanism are installed on the base; The top board seat is fixed on the crossbeam, presses down panel seat and is connected with scale load sensor one end through pressing down the panel seat location-plate, and the scale load sensor other end is fixed on the plunger base; Plunger and plunger base are installed in the cylinder body, and oil-in and oil-out are arranged on the cylinder body; Control system comprises control module, servomotor and gear-type pump, and control module is through servomotor control gear pump, and gear-type pump is connected with topworks, and the scale load sensor reading is transported to control module.
Use the utility model, the force standard machines sensing range is big, and bearing capacity is high, belongs to large-tonnage standard machine, and the use of moving beam structure is convenient and practical.One-piece construction is reliable and stable, and used oil cylinder kinematic accuracy is high, is easy to change.The method of control gear revolution speed is adopted in oil cylinder working-pressure control, compares with traditional accumulator or surplus valve control, and quick and precisely and energy-conservation, feedback rapidly.Adopt the control module unit, control is fine and smooth more, and is stable, and power value point keeps stable arbitrarily, improved the accuracy and the stability of force standard machines greatly.Can on engineerings such as tunnel, bridge, machine-building, bring into play enormous function.
Description of drawings
Fig. 1 is the synoptic diagram of the utility model 10MN microcomputer controlled electro-hydraulic servo force standard machines topworks;
Fig. 2 is the synoptic diagram of the utility model 10MN microcomputer controlled electro-hydraulic servo force standard machines topworks oil cylinder part;
Fig. 3 is the synoptic diagram of the utility model 10MN microcomputer controlled electro-hydraulic servo force standard machines control system;
Among the figure, driven sprocket 1, drive balls chain 2, speed reduction unit 3, alternating current generator 4, chain-drive mechanism 5, cover top board 6, crossbeam lead limit switch 7, transmission swivel nut 8, crossbeam 9, bearing 10, bearings plate 11, leading screw 12, top nut 13, lower nut 14, base 15, base cover plate 16, lifting mechanism 17, top board seat 18, press down panel seat 19, press down panel seat location-plate 20, scale load sensor 21, plunger cover plate 22, plunger 23, plunger base 24, oil-in 25, cylinder body 26 and oil-out 27.
Embodiment
Like Fig. 1,2, shown in 3,10MN microcomputer controlled electro-hydraulic servo force standard machines comprises topworks and control system; Topworks comprises driven sprocket 1; Drive balls chain 2; Speed reduction unit 3; Alternating current generator 4; Chain-drive mechanism 5; Cover top board 6; Crossbeam lead limit switch 7; Transmission swivel nut 8; Crossbeam 9; Bearing 10; Bearings plate 11; Leading screw 12; Top nut 13; Lower nut 14; Base 15; Base cover plate 16; Lifting mechanism 17; Top board seat 18; Press down panel seat 19; Press down panel seat location-plate 20; Scale load sensor 21; Plunger cover plate 22; Plunger 23; Plunger base 24; Oil-in 25; Cylinder body 26 and oil-out 27; Alternating current generator 4 rotating shafts are connected with chain-drive mechanism 5 through speed reduction unit 3, and chain-drive mechanism 5 is connected with driven sprocket 1 through drive balls chain 2, and driven sprocket 1 is fixed on the transmission swivel nut 8; Match fixing through bearing 10 between transmission swivel nut 8 and the crossbeam 9; Bearing 10 is installed on the bearings plate 11, and transmission swivel nut 8 can move on screw mandrel 12, and leading screw 12 lower ends are fixed on the base 15 through top nut 13 and lower nut 14; Base cover plate 16 and lifting mechanism 17 are installed on the base 15; Top board seat 18 is fixed on the crossbeam 9, presses down panel seat 19 and is connected with scale load sensor 21 1 ends through pressing down panel seat location-plate 20, and scale load sensor 21 other ends are fixed on the plunger base 24; Plunger 23 is installed in the cylinder body 26 with plunger base 24, and oil-in 25 and oil-out 27 are arranged on the cylinder body 26; Control system comprises control module, servomotor and gear-type pump, and control module is through servomotor control gear pump, and gear-type pump is connected with topworks, and scale load sensor 21 readings are transported to control module.
The method of application of 10MN microcomputer controlled electro-hydraulic servo force standard machines may further comprise the steps:
1) pressing down placement dynamometer to be measured on the panel seat 19, operation alternating current generator 4 drives transmission swivel nuts 8 through chain-drive mechanism 5, till drive crossbeam 9 moves down into top board seat 18 and dynamometer to be measured contacts;
2) input force value setting value, after the control module computing, the output analog quantity voltage drives servomotor, and the driven gear pump to topworks's fuel feeding, promotes plunger 23, and scale load sensor 21 and dynamometer to be measured are exerted pressure;
3) control system reads scale load sensor 21 readings, with the contrast of power value setting value, through servomotor adjusting gear revolution speed, control executing mechanism pressure;
4) when scale load sensor 21 readings are identical with power value setting value, write down dynamometer reading to be measured;
5) regulate power value setting value, and dynamometer reading to be measured when noting different settings.
6) calibrating finishes, and moves alternating current generator 4, drives transmission swivel nuts 8 through chain-drive mechanism 5, drives crossbeam 9 and rises, till triggering crossbeam lead limit switch 7.
Claims (1)
1. a 10MN microcomputer controlled electro-hydraulic servo force standard machines is characterized in that comprising topworks and control system; Topworks comprises driven sprocket (1); Drive balls chain (2); Speed reduction unit (3); Alternating current generator (4); Chain-drive mechanism (5); Cover top board (6); Crossbeam lead limit switch (7); Transmission swivel nut (8); Crossbeam (9); Bearing (10); Bearings plate (11); Leading screw (12); Top nut (13); Lower nut (14); Base (15); Base cover plate (16); Lifting mechanism (17); Top board seat (18); Press down panel seat (19); Press down panel seat location-plate (20); Scale load sensor (21); Plunger cover plate (22); Plunger (23); Plunger base (24); Oil-in (25); Cylinder body (26) and oil-out (27); Alternating current generator (4) rotating shaft is connected with chain-drive mechanism (5) through speed reduction unit (3); Chain-drive mechanism (5) is connected with driven sprocket (1) through drive balls chain (2); Driven sprocket (1) is fixed on the transmission swivel nut (8), and it is fixing to match through bearing (10) between transmission swivel nut (8) and the crossbeam (9), and bearing (10) is installed on the bearings plate (11); Transmission swivel nut (8) can be gone up at screw mandrel (12) and move; Leading screw (12) lower end is fixed on the base (15) through top nut (13) and lower nut (14), and base cover plate (16) and lifting mechanism (17) are installed on the base (15), and top board seat (18) is fixed on the crossbeam (9); Pressing down panel seat (19) is connected with scale load sensor (21) one ends through pressing down panel seat location-plate (20); Scale load sensor (21) other end is fixed on the plunger base (24), and plunger (23) and plunger base (24) are installed in the cylinder body (26), and oil-in (25) and oil-out (27) are arranged on the cylinder body (26); Control system comprises control module, servomotor and gear-type pump, and control module is through servomotor control gear pump, and gear-type pump is connected with topworks, and scale load sensor (21) reading is transported to control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120136927XU CN202110033U (en) | 2011-05-03 | 2011-05-03 | 10MN (Magnetic North) microcomputer control electro-hydraulic servo force standard machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120136927XU CN202110033U (en) | 2011-05-03 | 2011-05-03 | 10MN (Magnetic North) microcomputer control electro-hydraulic servo force standard machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202110033U true CN202110033U (en) | 2012-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120136927XU Expired - Lifetime CN202110033U (en) | 2011-05-03 | 2011-05-03 | 10MN (Magnetic North) microcomputer control electro-hydraulic servo force standard machine |
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| Country | Link |
|---|---|
| CN (1) | CN202110033U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102768099A (en) * | 2011-05-03 | 2012-11-07 | 杭州坦司特仪器设备有限公司 | 10MN microcomputer-controlled electro-hydraulic servo force standard machine and application method thereof |
| CN106644260A (en) * | 2017-01-25 | 2017-05-10 | 福建省计量科学研究院 | 2MN dead load overlapping composite-type force standard machine |
| CN111521322A (en) * | 2020-06-03 | 2020-08-11 | 苏州铁马自动化科技有限公司 | Electro-hydraulic servo equipment for force standard machine and control method thereof |
-
2011
- 2011-05-03 CN CN201120136927XU patent/CN202110033U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102768099A (en) * | 2011-05-03 | 2012-11-07 | 杭州坦司特仪器设备有限公司 | 10MN microcomputer-controlled electro-hydraulic servo force standard machine and application method thereof |
| CN106644260A (en) * | 2017-01-25 | 2017-05-10 | 福建省计量科学研究院 | 2MN dead load overlapping composite-type force standard machine |
| CN106644260B (en) * | 2017-01-25 | 2023-07-25 | 福建省计量科学研究院 | 2MN dead weight superposition composite force standard machine |
| CN111521322A (en) * | 2020-06-03 | 2020-08-11 | 苏州铁马自动化科技有限公司 | Electro-hydraulic servo equipment for force standard machine and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120111 Effective date of abandoning: 20150114 |
|
| RGAV | Abandon patent right to avoid regrant |