CN104035032A - Experimental device of feeding mechanism of linear motor - Google Patents
Experimental device of feeding mechanism of linear motor Download PDFInfo
- Publication number
- CN104035032A CN104035032A CN201410291200.7A CN201410291200A CN104035032A CN 104035032 A CN104035032 A CN 104035032A CN 201410291200 A CN201410291200 A CN 201410291200A CN 104035032 A CN104035032 A CN 104035032A
- Authority
- CN
- China
- Prior art keywords
- pedestal
- electric motors
- linear electric
- bracing frame
- feed mechanism
- 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.)
- Granted
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to an experimental device of a feeding mechanism of a linear motor. According to the technical scheme, the experimental device is characterized in that a connecting plate is bridged to a base I and a base II, and two ends of the connecting plate are respectively movably connected with the base I and the base II through a chute; a measuring instrument bracket is bridged to the base I and the base II; two ends of a supporting frame I are respectively fixed to the base I and the base II, wherein the supporting frame I is movably connected with the connecting plate through a connector; two guide rails I are arranged on the base I; buffers I are arranged at two ends of the base I; a slide plate I is glidingly connected with the guide rails I; two guide rails II are arranged on the base II; buffers II are arranged at two ends of the base II; a slide plate II is glidingly connected with the guide rails II; a supporting frame II fixed to a slide plate III is arranged at one end of the base II. The experimental device is also provided with a detection system, an electrical cabinet and a control system. With the adoption of the experimental device of the feeding mechanism of the linear motor, the performances of the linear motor can be detected.
Description
Technical field
The invention relates to numerically-controlled machine linear electric motors feed mechanism field tests, is specially a kind of linear electric motors feed mechanism performance testing device.
Background technology
At a high speed/combined numerically controlled machine requires feed system to have high speed of feed and high acceleration, adopts linear motor direct drive worktable to do straight-line feed motion, has realized " zero transmission " of feed system, is the ideal chose of high speed/combined numerically controlled machine.The mode of linear motor direct drive is a kind of new kind of drive, and linear electric motors feed mechanism performance quality directly affects the overall performance of lathe.Therefore, understand and grasp each and affect the factor of linear electric motors feed mechanism performance, most important to design and analysis, applicable line motorized feed mechanism.
The structural factor of linear electric motors self causes also existent defect of this direct drive mode, requires high and protects strict etc. such as force oscillation, heating, control performance.In order better to study linear motor direct drive mode, give full play to its advantage, reduce because the application that linear electric motors directly drive technology and promote Linear motor feeding system is grasped in the impact that self shortcoming causes as far as possible, set up linear electric motors feeding experiment table significant.
Summary of the invention
In order to overcome the above problems, the invention provides a kind of linear electric motors feed mechanism experimental provision, can detect the performance of linear electric motors by this device.
The technical scheme that the invention adopts is: a kind of linear electric motors feed mechanism experimental provision:
Web joint is connected across in pedestal I and pedestal II, its two ends are flexibly connected by slideway with pedestal I and pedestal II respectively, measuring instrument support is connected across in pedestal I and pedestal II, and bracing frame I two ends are fixed with pedestal I and pedestal II respectively, and bracing frame I is flexibly connected with web joint by connector.
Pedestal I is provided with two guide rail I, and the two ends of pedestal I are provided with impact damper I, and slide plate I and guide rail I are slidably connected.
Pedestal II is provided with two guide rail II, and the two ends of pedestal II are provided with impact damper II, and slide plate II and guide rail II are slidably connected, and one end of pedestal II is provided with bracing frame II, and bracing frame II and slide plate III are fixed.
Be provided with detection system, described detection system comprises pull pressure sensor, S type LOAD CELLS, be arranged on the grating scale I of guide rail I both sides, be arranged on guide rail II both sides grating scale II, be arranged on measuring instrument support and correspond respectively to pedestal I, pedestal II and bracing frame I three laser microspur measuring instruments, be arranged on some temperature sensors and test cabinet in pedestal I and pedestal II.The project detecting as required, selects pull pressure sensor or S type LOAD CELLS to be arranged in bracing frame I or bracing frame II.
Be provided with regulator cubicle and control system, for driving linear electric motors running.
Above-mentioned a kind of linear electric motors feed mechanism experimental provision, a limiting and protecting device of the corresponding installation of each laser microspur measuring instrument.
Above-mentioned a kind of linear electric motors feed mechanism experimental provision is installed balancing weight on web joint.
Above-mentioned a kind of linear electric motors feed mechanism experimental provision, detection system comprises laser interferometer, laser interferometer is arranged on the periphery of pedestal, and is connected with test cabinet.
Above-mentioned a kind of linear electric motors feed mechanism experimental provision, detection system comprises power analyzer, power analyzer is connected with test cabinet.
Above-mentioned a kind of linear electric motors feed mechanism experimental provision, detection system comprises vibrator, vibrator is connected with test cabinet.
Above-mentioned a kind of linear electric motors feed mechanism experimental provision, is respectively equipped with the drag chain support I that supports drag chain I and the drag chain support II that supports drag chain II in pedestal I and pedestal II.
The beneficial effect of the invention is:
1) load of pull pressure sensor as linear electric motors drive end installed in the invention in bracing frame I or bracing frame II, can measure respectively thrust and the force oscillation situation of single or two parallel linear motors, change the position of bracing frame I or bracing frame II, can measure the force oscillation situation of diverse location in stroke, therefore, can analyze single or two thrust and force oscillation variations that parallel linear motor feed mechanism is put at different parts.
2) S type LOAD CELLS is installed in the invention in bracing frame I or bracing frame II, can test the quiet rigidity of two linear electric motors single or in parallel, the data that obtain by analytical test can be studied quiet stiffness estimation and the optimization of linear electric motors feed mechanism, specify the impact of quiet rigidity on linear electric motors feed mechanism performance.
3) the invention is by forcing exciting experiment, and the data that analytical test obtains can be evaluated and optimize the dynamic stiffness of linear electric motors feed mechanism.
4) the invention is directly measured by laser interferometer, evaluates positioning precision and the repetitive positioning accuracy numerical value of the linear motion unit of linear electric motors by test data.
5) the invention is arranged some temperature sensors in linear electric motor primary and secondary process, gathers tested point temperature, can carry out linear electric motors temperature rise test, and this test can provide data supporting for linear electric motors feed mechanism temperature rise control.
6) the invention is provided with grating scale, the position data of Real-time Collection grating scale in linear electric motors motion process.Can calculate speed and the accekeration in motion process by these data, evaluate the velocity and acceleration of linear electric motors feed mechanism.
7) the invention is provided with balancing weight, measure just row, unloaded retrograde, just row, the retrograde quality of power supply of load of load of linear electric motors zero load by power analyzer, real time record experimental data, by the monitoring to linear electric motors power quality data, whether can check linear electric motors feed mechanism running status normal, whether the variation of the quality of power supply is within rational variation range.
Brief description of the drawings
Fig. 1 is the structural representation of the invention.
Fig. 2 is the vertical view of the invention base part.
Fig. 3 is that the A of Fig. 2 is to view.
Fig. 4 is that the B of Fig. 2 is to view.
Embodiment
1 one kinds of linear electric motors feed mechanism experimental provisions of embodiment
As Figure 1-Figure 4, a kind of linear electric motors feed mechanism experimental provision
Web joint (11) is connected across in pedestal I (20) and pedestal II (30), its two ends are flexibly connected by slideway (40) with pedestal I (20) and pedestal II (30) respectively, measuring instrument support (12) is connected across in pedestal I (20) and pedestal II (30), bracing frame I (13) two ends are fixing with pedestal I (20) and pedestal II (30) respectively, and bracing frame I (13) is flexibly connected with web joint (11) by connector (14).
Pedestal I (20) is provided with two guide rail I (21), and the two ends of pedestal I (20) are provided with impact damper I (22), and slide plate I (23) is slidably connected with guide rail I (21).
Pedestal II (30) is provided with two guide rail II (31), the two ends of pedestal II (30) are provided with impact damper II (32), slide plate II (33) is slidably connected with guide rail II (31), one end of pedestal II (30) is provided with bracing frame II (34), and bracing frame II (34) is fixing with slide plate III (35).
Be provided with detection system, described detection system comprises pull pressure sensor (51), S type LOAD CELLS (52), be arranged on the grating scale I (53) of guide rail I (21) both sides, be arranged on the grating scale II (54) of guide rail II (31) both sides, be arranged on measuring instrument support (12) and go up and correspond respectively to pedestal I (20), three laser microspur measuring instruments (55) of pedestal II (30) and bracing frame I (13), the corresponding limiting and protecting device (58) of installing of each laser microspur measuring instrument (55), be arranged on some temperature sensors (56) and test cabinet (57) in pedestal I (20) and pedestal II (30).According to the project that will detect, select pull pressure sensor (51) or S type LOAD CELLS (52) to be arranged in bracing frame I (13) or bracing frame II (34).
Be provided with regulator cubicle (61) and control system (62), for driving linear electric motors running.
For the demand of load test, at the upper balancing weight (70) of installing of web joint (11).
In order further to test positioning precision and the repetitive positioning accuracy of linear electric motors, detection system also comprises laser interferometer (81), and laser interferometer (81) is arranged on the periphery of pedestal, and is connected (57) with test cabinet.Laser interferometer (81) is furnished with different mirror groups, realizes location, repetitive positioning accuracy test function, and precision is high, good stability.
During for further test zero load or load, the linear electric motors quality of power supply, detection system also comprises power analyzer (82), power analyzer (82) is connected (57) with test cabinet.
In order further to test the dynamic stiffness of linear electric motors, detection system comprises vibrator (83), and vibrator (83) is connected with test cabinet (57).
For by regular various power leads, in pedestal I (20) and pedestal II (30), be respectively equipped with the drag chain support I (25) that supports drag chain I (24) and the drag chain support II (37) that supports drag chain II (36).
This experimental provision, in the time detecting, is arranged on secondary (91) of linear electric motors in two guide rails of pedestal, elementary (92) of linear electric motors is fixed on to the lower end of web joint, and is fixedly connected with slide plate.
In testing process, according to the needs of test item, select pull pressure sensor (51) or S type LOAD CELLS (52) to be arranged in bracing frame I (13) or bracing frame II (34).While detecting thrust and force oscillation, in bracing frame I (13) or the upper pull pressure sensor (51) of installing of bracing frame II (34), while detecting quiet rigidity, in bracing frame I (13) or the upper S type LOAD CELLS (52) of installing of bracing frame II (34).
2 one kinds of linear electric motors feed mechanism performance test methods of embodiment
The linear electric motors feed mechanism experimental provision that adopts embodiment 1, method of testing is as follows:
1) single linear motor pushing force and force oscillation method of testing
Secondary (91) of linear electric motors to be measured are arranged in two the guide rail II (31) in pedestal II (30), elementary (92) of linear electric motors to be measured are fixed on the lower end of web joint (11) and fix with one end of slide plate III (35), pull pressure sensor (51) is arranged on the upper load as linear electric motors drive end of bracing frame II (34), regulator cubicle (61) and control system (62) drive linear electric motors running, utilize bracing frame II (34) and slide plate III (35) fixedly to detect (now, bracing frame I (13) is not connected with web joint (11)), by be arranged on pull pressure sensor (51) in bracing frame II (34) and laser microspur measuring instrument (55) by the data transmission recording to test cabinet (57), read the fluctuation situation of motor thrust and reflection thrust by display instrument.Change the position of bracing frame II (34) in pedestal II (30), can measure respectively the force oscillation situation of three positions in stroke.
2) two parallel linear motor thrust and force oscillation method of testing
Secondary (91) of linear electric motors to be measured are arranged on respectively in two guide rails in pedestal I (20) and pedestal II (30), elementary (92) of linear electric motors to be measured are fixed on the lower end of web joint (11) and fix with slide plate respectively, pull pressure sensor (51) is arranged on the upper load as linear electric motors drive end of bracing frame I (13), bracing frame I (13) is fixing by connector (14) and web joint (11), regulator cubicle (61) and control system (62) drive linear electric motors running, the data transmission recording is given test cabinet (57) by pull pressure sensor (51) and laser microspur measuring instrument (55), read the fluctuation situation of motor thrust and reflection thrust by display instrument.Change the position of bracing frame I (13), can measure respectively the force oscillation situation of three positions in stroke.
3) the quiet stiffness test method of linear electric motors High Speed Linear Feed Drive Unit
The installation method of linear electric motors is with method 1) and method 2), just pull pressure sensor (51) is changed into S type LOAD CELLS (52).Read deflection by clock gauge, the data that obtain by analytical test can be studied quiet stiffness estimation and the optimization of linear electric motors feed mechanism, specify the impact of quiet rigidity on linear electric motors feed mechanism performance.
4) linear electric motors High Speed Linear Feed Drive Unit dynamic stiffness method of testing
Secondary (91) of linear electric motors to be measured are arranged in two guide rail I (21) of pedestal I (20), elementary (92) of linear electric motors to be measured are fixed on the lower end of web joint (11) fixing with slide plate I (23).Regulator cubicle (61) and control system (62) drive linear electric motors running.Start vibrator (83), by forcing exciting experiment, measure the attenuation change rule of exciting force and vibration amplitude, according to the physical definition of dynamic stiffness and damping, obtain dynamic stiffness and the damping matrix of parts, the data that obtain by analytical test can be evaluated and optimize the dynamic stiffness of linear electric motors feed mechanism.
5) linear electric motors feeding positioning precision and repetitive positioning accuracy method of testing
Secondary (91) of linear electric motors to be measured are arranged in two guide rail I (21) of pedestal I (20), elementary (92) of linear electric motors to be measured are fixed on the lower end of web joint (11) fixing with slide plate I (23).Regulator cubicle (61) and control system (62) drive linear electric motors running.Start laser interferometer (81), directly measure by laser interferometer, evaluate positioning precision and the repetitive positioning accuracy numerical value of the linear motion unit after linear electric motors by test data.
6) linear electric motors temperature-raising experimental method
Secondary (91) of linear electric motors to be measured are arranged in two guide rail I (21) of pedestal I (20), elementary (92) of linear electric motors to be measured are fixed on the lower end of web joint (11) fixing with slide plate I (23).Regulator cubicle (61) and control system (62) drive linear electric motors running, and in linear electric motors operation process, some temperature sensors gather tested point temperature.Because the heating of linear electric motors is mainly created in primary components part, so primary components is being adopted to six temperature sensors when test, the interval, both sides that is distributed in primary components is arranged, six sensors are arranged on respectively on the chain connecting plate of both sides, and web joint and linear electric motor primary parts together move; The secondary parts of linear electric motors are evenly distributed to test with four temperature sensors.This test can provide data supporting for linear electric motors feed mechanism temperature rise control.
7) linear electric motors velocity and acceleration method of testing
Secondary (91) of linear electric motors to be measured are arranged in two guide rail I (21) of pedestal I (20), elementary (92) of linear electric motors to be measured are fixed on the lower end of web joint (11) fixing with slide plate I (23).Regulator cubicle (61) and control system (62) drive linear electric motors running, in linear electric motors operation process, the position data of Real-time Collection grating scale, can calculate speed and the accekeration in motion process by these data, evaluate the velocity and acceleration of linear electric motors feed mechanism.
8) the electric energy quality test method that linear electric motors zero load is just capable and retrograde and load is just capable and retrograde
Secondary (91) of linear electric motors to be measured are arranged in two guide rail I (21) of pedestal I (20), elementary (92) of linear electric motors to be measured are fixed on the lower end of web joint (11) fixing with slide plate I (23).Regulator cubicle (61) and control system (62) drive linear electric motors running, by linear electric motors and power analyzer (82), measure just row and retrograde and load is just being gone and the retrograde quality of power supply of linear electric motors zero load by balancing weight.
By in voltage clamp height two parts difference place in circuit, wherein low potential voltage clamp is connected with center line, in the direct place in circuit of high potential part (in the three-phase circuit that access master control sky is opened), current clamp part is looped around on cable, after connecting instrument, open testing software, then linear electric motors operation, start to measure, real time record experimental data, by the monitoring to linear electric motors power quality data, whether can check linear electric motors feed mechanism running status normal, whether the variation of the quality of power supply is within rational variation range.
Claims (7)
1. a linear electric motors feed mechanism experimental provision, is characterized in that:
Web joint (11) is connected across in pedestal I (20) and pedestal II (30), its two ends are flexibly connected by slideway (40) with pedestal I (20) and pedestal II (30) respectively, measuring instrument support (12) is connected across in pedestal I (20) and pedestal II (30), bracing frame I (13) two ends are fixing with pedestal I (20) and pedestal II (30) respectively, and bracing frame I (13) is flexibly connected with web joint (11) by connector (14);
Pedestal I (20) is provided with two guide rail I (21), and the two ends of pedestal I (20) are provided with impact damper I (22), and slide plate I (23) is slidably connected with guide rail I (21);
Pedestal II (30) is provided with two guide rail II (31), the two ends of pedestal II (30) are provided with impact damper II (32), slide plate II (33) is slidably connected with guide rail II (31), one end of pedestal II (30) is provided with bracing frame II (34), and bracing frame II (34) is fixing with slide plate III (35);
Be provided with detection system, described detection system comprises pull pressure sensor (51), S type LOAD CELLS (52), be arranged on the grating scale I (53) of guide rail I (21) both sides, be arranged on the grating scale II (54) of guide rail II (31) both sides, be arranged on measuring instrument support (12) and go up and correspond respectively to pedestal I (20), three laser microspur measuring instruments (55) of pedestal II (30) and bracing frame I (13), be arranged on some temperature sensors (56) and test cabinet (57) in pedestal I (20) and pedestal II (30), described pull pressure sensor (51) or S type LOAD CELLS (52) are arranged in bracing frame I (13) or bracing frame II (34),
Be provided with regulator cubicle (61) and control system (62), for driving linear electric motors running.
2. a kind of linear electric motors feed mechanism experimental provision as claimed in claim 1, is characterized in that: the corresponding limiting and protecting device (58) of installing of each laser microspur measuring instrument (55).
3. a kind of linear electric motors feed mechanism experimental provision as claimed in claim 1, is characterized in that: at the upper balancing weight (70) of installing of web joint (11).
4. a kind of linear electric motors feed mechanism experimental provision as claimed in claim 1, it is characterized in that: detection system comprises laser interferometer (81), laser interferometer (81) is arranged on the periphery of pedestal, and is connected with test cabinet (57).
5. a kind of linear electric motors feed mechanism experimental provision as claimed in claim 1, is characterized in that: detection system comprises power analyzer (82), and power analyzer (82) is connected with test cabinet (57).
6. a kind of linear electric motors feed mechanism experimental provision as claimed in claim 1, is characterized in that: detection system comprises vibrator (83), and vibrator (83) is connected with test cabinet (57).
7. a kind of linear electric motors feed mechanism experimental provision as claimed in claim 1, is characterized in that: in pedestal I (20) and pedestal II (30), be respectively equipped with the drag chain support I (25) that supports drag chain I (24) and the drag chain support II (37) that supports drag chain II (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410291200.7A CN104035032B (en) | 2014-06-24 | 2014-06-24 | A kind of linear electric motors feed mechanism experimental provision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410291200.7A CN104035032B (en) | 2014-06-24 | 2014-06-24 | A kind of linear electric motors feed mechanism experimental provision |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104035032A true CN104035032A (en) | 2014-09-10 |
| CN104035032B CN104035032B (en) | 2017-03-15 |
Family
ID=51465872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410291200.7A Active CN104035032B (en) | 2014-06-24 | 2014-06-24 | A kind of linear electric motors feed mechanism experimental provision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104035032B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696566A (en) * | 2017-10-20 | 2019-04-30 | 株洲中车时代电气股份有限公司 | The test mounting rack of end face installation class motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090217897A1 (en) * | 2004-06-29 | 2009-09-03 | Sven Hartmann | Motor vehicle energy management having a supplementary starter diagnostic function |
| CN101980037A (en) * | 2010-11-08 | 2011-02-23 | 清华大学 | Comprehensive test device for linear motor motion system |
| CN102928220A (en) * | 2012-10-22 | 2013-02-13 | 清华大学 | Experimental device for comprehensively testing dynamic characteristics of linear feeding system |
| CN203025327U (en) * | 2013-01-11 | 2013-06-26 | 北京经纬恒润科技有限公司 | Testing device for linear stepping motor |
| CN203941275U (en) * | 2014-06-24 | 2014-11-12 | 沈阳机床(集团)有限责任公司 | A kind of linear electric motors feed mechanism experimental provision |
-
2014
- 2014-06-24 CN CN201410291200.7A patent/CN104035032B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090217897A1 (en) * | 2004-06-29 | 2009-09-03 | Sven Hartmann | Motor vehicle energy management having a supplementary starter diagnostic function |
| CN101980037A (en) * | 2010-11-08 | 2011-02-23 | 清华大学 | Comprehensive test device for linear motor motion system |
| CN102928220A (en) * | 2012-10-22 | 2013-02-13 | 清华大学 | Experimental device for comprehensively testing dynamic characteristics of linear feeding system |
| CN203025327U (en) * | 2013-01-11 | 2013-06-26 | 北京经纬恒润科技有限公司 | Testing device for linear stepping motor |
| CN203941275U (en) * | 2014-06-24 | 2014-11-12 | 沈阳机床(集团)有限责任公司 | A kind of linear electric motors feed mechanism experimental provision |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696566A (en) * | 2017-10-20 | 2019-04-30 | 株洲中车时代电气股份有限公司 | The test mounting rack of end face installation class motor |
| CN109696566B (en) * | 2017-10-20 | 2020-10-23 | 株洲中车时代电气股份有限公司 | Test mounting frame of end face mounting type motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104035032B (en) | 2017-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201237631Y (en) | Linear electric motor performance parameter test device | |
| CN102109575B (en) | Method, device and system for testing linear motor based on virtual instrument | |
| CN105352588B (en) | Design method of brushless direct current motor vibration detection system | |
| CN104266837B (en) | Ball screw performance testing testbed based on motor servo loading | |
| CN102095574B (en) | Joint surface dynamic characteristic parameter testing device of rolling guide rail and testing method thereof | |
| CN103217287B (en) | Rolling support linear feeding system static and dynamic performance proving installation and method of testing | |
| CN104101491A (en) | Device for detecting performance of rolling linear guide rail pair | |
| CN105716845A (en) | Typical condition simulated loading type power knife rest detecting monitoring method and device | |
| CN106289767A (en) | A kind of robot is with high-end speed reducer drive accuracy testing platform | |
| CN103323233B (en) | Device and method for testing dynamic characteristics of single-screw or double-screw rolling supporting linear feed system | |
| CN201191202Y (en) | Static/dynamic detector of full-automatic electric eddy current sensor | |
| CN104007386A (en) | Comprehensive offline test platform of generator rotor insulation measurement device | |
| CN205384136U (en) | It detects and monitoring devices to simulate loaded power knife rest performance of typical operating mode | |
| CN105136418B (en) | Micro- disturbance torque simulation system vibration characteristics device for testing and analyzing | |
| CN216815820U (en) | Ball screw pair friction moment measuring equipment | |
| CN104898054A (en) | Comprehensive performance test device for DC motor rotor commutator and carbon brush | |
| CN106123939B (en) | A kind of magnetic suspension sensor rigidity testing system and test method | |
| CN104006982A (en) | Servo feeding mechanism performance testing device and testing method | |
| CN203941016U (en) | A kind of servo feed mechanism performance testing device | |
| CN101907514B (en) | High-speed vertical machining center performance test-bed | |
| CN203941275U (en) | A kind of linear electric motors feed mechanism experimental provision | |
| CN206095621U (en) | Robot is with high -end speed reducer transmission precision test bench | |
| CN203241235U (en) | Device for testing dynamic characteristics of single/double-screw rolling support linear feed system | |
| CN203870221U (en) | DC motor detection bench | |
| CN104035032A (en) | Experimental device of feeding mechanism of linear motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Experimental device of feeding mechanism of linear motor Effective date of registration: 20190307 Granted publication date: 20170315 Pledgee: National Development Bank Pledgor: Shenyan Machine Tool (Group) Co., Ltd. Registration number: 2019210000006 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200728 Granted publication date: 20170315 Pledgee: CHINA DEVELOPMENT BANK Pledgor: SHENYANG MACHINE TOOL (Group) Co.,Ltd. Registration number: 2019210000006 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An experimental device of linear motor feed mechanism Effective date of registration: 20200730 Granted publication date: 20170315 Pledgee: China Development Bank Liaoning Branch Pledgor: SHENYANG MACHINE TOOL (Group) Co.,Ltd. Registration number: Y2020210000039 |