CN104729490A - Intelligent dotting device - Google Patents
Intelligent dotting device Download PDFInfo
- Publication number
- CN104729490A CN104729490A CN201510057993.0A CN201510057993A CN104729490A CN 104729490 A CN104729490 A CN 104729490A CN 201510057993 A CN201510057993 A CN 201510057993A CN 104729490 A CN104729490 A CN 104729490A
- Authority
- CN
- China
- Prior art keywords
- tapper
- ready
- oil cylinder
- guide rail
- oil
- 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
- 239000003921 oil Substances 0.000 claims description 55
- 238000006073 displacement reaction Methods 0.000 claims description 30
- 230000033001 locomotion Effects 0.000 claims description 19
- 238000003825 pressing Methods 0.000 claims description 10
- 238000004088 simulation Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000010705 motor oil Substances 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
- B25D9/06—Means for driving the impulse member
- B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
- B25D9/125—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure driven directly by liquid pressure working with pulses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
- B25D9/14—Control devices for the reciprocating piston
- B25D9/26—Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof
Abstract
The invention discloses an intelligent dotting device which comprises a shell, a guide rail arranged on the shell in a way of moving along the horizontal direction, a dotter arranged on the sliding rail, and a power device used for driving the guide rail to move relatively to the shell. The intelligent dotting device is simple in structure and easy to operate, and is capable of automatically and rapidly dotting key points in engineering surveying process.
Description
Technical field
The present invention relates to the setting-out device for dotting in a kind of engineering survey, specifically a kind of intelligent device for dotting.
Background technology
Along with the continuous growth of economy, China's various places highway construction develop rapidly, engineering survey setting-out work also becomes standardization and accuracy increasingly, and high-quality surveying and locating work can reduce the generation even avoiding engineering accident, thus guarantees the total quality of engineering effectively.As can be seen here, surveying and locating work is a vital link for engineering construction.
In surveying and locating, the work first will carried out is marked to key point, and it is key in surveying and locating that location is got ready, and it directly has influence on the precision of whole surveying and locating engineering.Generally, in engineering, location is got ready is all first adopt total powerstation or tape measure to position, then is marked by artificial setting-out, be difficult to guarantee like this and get precision ready, and operating process is loaded down with trivial details, a few individual of general needs has coordinated, inefficiency, drastically influence project progress, and cost is higher.
At present, device for dotting technical development is very fast, and some is by device for dotting for the production of the product labelling in flow process, and its structure is simply easy to operation, can make a mark to product easily, can enhance productivity and the qualification rate of product; Some uses it for bolts assemblies field, automatically can mark at bolt, be widely used, simple and practical; Some utilizes device for dotting to carry out automatically dotting to material, can increase work efficiency, and reduces labour intensity, but does not have a kind of automatically dotting equipment being applied to engineering survey setting-out and getting ready at present.
Therefore, for overcoming the above problems, needing one to improve existing setting-out device for dotting, the intelligent device for dotting of automatically dotting can be realized.
Summary of the invention
In view of this, the object of the invention is to overcome defect of the prior art, provide a kind of structure simple, be easy to operation, automatically can carry out the intelligent device for dotting of the mark of key point in engineering survey fast.
Intelligent device for dotting of the present invention, comprise housing, with can the mode of movement be in the horizontal direction arranged at housing guide rail, be arranged at guide rail tapper and for driving guide rail relative to the propulsion system of housing movement;
Further, described propulsion system comprise oil motor, ball screw assembly, and electrohydraulic digital servo-drive system, and hydraulic motor transmission is connected to ball screw assembly, and drives guide rail to move by this ball screw assembly; Electrohydraulic digital servo-drive system is used for hydraulic control motor action and comprises:
Numerical control device, for sending command pulse;
Displacement transducer I, is arranged on tapper for gathering the displacement of tapper;
Numerical check device, its signal input part is connected to displacement transducer I, and the displacement signal gathered for received bit displacement sensor I also generates according to this displacement signal and sends feedback pulse;
Pulse plus-minus loop, its signal input part is connected to the signal output part of numerical control device and numerical check device, for generating and sending digital deflection after comparison order pulse and feedback pulse;
Digital-to-analog converter, its signal input part is connected to pulse plus-minus loop signal output terminal, for receiving digital deflection and generating deviation of simulation voltage;
Servoamplifier, its signal input part is connected to digital-to-analog converter signal output part, for receiving deviation of simulation voltage and exporting one and the proportional control electric current of deviation of simulation voltage signal;
Servo-valve, its signal input part is connected to servoamplifier signal output part, exports for control electric current being converted to hydraulic energy;
Further, described tapper comprise tapper housing and be slidably matched with tapper housing get pen ready; Get pen ready and be fixed with annular pressing plate, tapper housing cavity is divided into pressure chamber and restores chamber by this annular pressing plate, and pressure chamber is communicated with oil motor oil-out to be got row in the works ready get ready for driving; Be provided with retracing spring in recovery chamber and get the up return of pen ready for driving;
Further, described tapper housing comprises cylindrical tube and is arranged at cylindrical shell lower end for carrying out spacing postive stop baffle to getting row in the works ready;
The input equipment that intelligent device for dotting of the present invention also comprises control system and is connected with control system signal input part, input equipment comprises for keying in the action button of getting positional information ready and for showing the data display screen getting positional information ready; Control system signal output part is connected to numerical control device for sending control signal to numerical control device;
Further, described housing bottom is provided with spherical drive wheel, and spherical drive wheel is connected with hydraulic motor transmission;
Further, described tapper comprises tapper I and tapper II; Be provided with for driving tapper I relative to the oil cylinder I of guide rail movement and for driving tapper II relative to the oil cylinder II of guide rail movement in guide rail;
Further, being communicated with oil motor by a synchronization loop of described oil cylinder I and oil cylinder II; Synchronization loop comprises:
Displacement transducer II, is provided with two and is individually fixed in oil cylinder I with on oil cylinder II, for gathering the displacement parameter of oil cylinder I and oil cylinder II piston rod respectively;
Electric hydraulic control valve, be arranged in the oil circuit between oil motor oil outlet end and oil cylinder II, this electric hydraulic control valve signal input part is connected to the signal output part of displacement transducer II, for received bit shifting parameter and then the aperture controlling its valve port continuously.
The invention has the beneficial effects as follows: intelligent device for dotting of the present invention, the existing equipments such as motor, oil motor, hydraulic cylinder can be adopted as propulsion system, by controlling the start-stop of propulsion system, and then control guide rail stretches out or retracts in housing, after tapper moves to the target location needing to get ready the most at last, handle tapper and get ready, and then realize locating the robotization got ready, this greatly improves work efficiency, reduces engineering cost.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the structural representation of tapper of the present invention;
Fig. 4 is the connection diagram of electrohydraulic digital servo-drive system of the present invention;
Fig. 5 is control flow schematic diagram of the present invention;
Fig. 6 is the connection diagram of synchronization loop of the present invention.
Embodiment
Fig. 1 is structural representation of the present invention, Fig. 2 is the right view of Fig. 1, as shown in the figure, intelligent device for dotting in the present embodiment, comprise housing 8, so that the mode of movement in the horizontal direction the guide rail 4 of housing 8 can be arranged at, be arranged at guide rail 4 tapper 5 and for driving guide rail 4 relative to the propulsion system of housing 8 movement, motor can be adopted, oil motor, the existing equipments such as hydraulic cylinder are as propulsion system, by all control system 2 (electromagnetic types existing, electric-liquid type etc.) control the start-stop of propulsion system, and then control guide rail 4 stretches out or retracts in housing 8, after tapper 5 moves to the target location needing to get ready the most at last, handle tapper 5 to get ready, and then realize locating the robotization got ready, this greatly improves work efficiency, reduce engineering cost.
In the present embodiment, described propulsion system comprise oil motor, ball screw assembly, and electrohydraulic digital servo-drive system 3, and hydraulic motor transmission is connected to ball screw assembly, and drives guide rail 4 to move by this ball screw assembly; As shown in Figure 4, electrohydraulic digital servo-drive system 3 comprises for hydraulic control motor action:
Numerical control device, for sending command pulse;
Displacement transducer I, is arranged on tapper 5 for gathering the displacement of tapper 5;
Numerical check device, its signal input part is connected to displacement transducer I, and the displacement signal gathered for received bit displacement sensor I also generates according to this displacement signal and sends feedback pulse;
Pulse plus-minus loop, its signal input part is connected to the signal output part of numerical control device and numerical check device, for generating and sending digital deflection after comparison order pulse and feedback pulse;
Digital-to-analog converter, its signal input part is connected to pulse plus-minus loop signal output terminal, for receiving digital deflection and generating deviation of simulation voltage;
Servoamplifier, its signal input part is connected to digital-to-analog converter signal output part, for receiving deviation of simulation voltage and exporting one and the proportional control electric current of deviation of simulation voltage signal;
Servo-valve, its signal input part is connected to servoamplifier signal output part, export for control electric current being converted to hydraulic energy, thus drive oil motor to rotate, and the movement of guide rail 4 is converted to by the rotation of ball screw adjutant oil motor, final control tapper 5 moves to target location, output displacement, speed or power etc. that electrohydraulic digital servo-drive system 3 can be real-time, and then controls whole device automatically, quickly and accurately and get the movement of equipment ready.There is the advantages such as control accuracy is high, fast response time.
In the present embodiment, described tapper 5 comprise tapper 5 housing 8 and be slidably matched with tapper 5 housing 8 get pen 504 ready, as shown in Figure 3, get pen 504 ready and be fixed with annular pressing plate 502, tapper 5 housing 8 lumen segmentation is pressure chamber and restore chamber by this annular pressing plate 502, and pressure chamber is communicated with oil motor oil-out to get for driving that pen 504 is descending to be got ready ready, after tapper 5 moves to target location, the pressure oil that oil motor produces is communicated to pressure chamber, annular pressing plate 502 overcomes the elastic force of retracing spring 503 under the effect of pressure oil, make to get the descending realization of pen 504 ready to get ready, after getting end ready, can the pressure release of controlled pressure chamber, retracing spring 503 in recovery chamber is driven and gets the up return of pen 504 ready, when tapper 5 moves to guide rail 4 assigned address according to the instruction of system, under the effect of electrohydraulic digital servo-drive system 3, annular pressing plate 502 obtains pressure and passes to retracing spring 503, now get pen 504 ready to move down and automatically dotting with pressing plate, get end rear fender pressure ready to reduce gradually, under retracing spring 503 retroaction, automatically dotting equipment move until recover initial position, then enter the next one and get preparation ready.
In the present embodiment, described tapper 5 housing 8 comprises cylindrical tube and is arranged at cylindrical shell lower end for pen 504 is descending carries out spacing postive stop baffle 505 to getting ready, after the annular pressing plate 502 got ready on pen 504 comes downwards to and contacts with postive stop baffle 505, getting the position-limiting action that pen 504 is subject to postive stop baffle 505 ready cannot continue descending, therefore, what utilize this postive stop baffle 505 can control to get ready pen 504 gets stroke ready.
The input equipment 1 that the intelligent device for dotting of the present embodiment also comprises control system 2 and is connected with control system 2 signal input part, as shown in Figure 5, input equipment 1 comprises for keying in the action button of getting positional information ready and for showing the data display screen getting positional information ready, control system 2 signal output part is connected to numerical control device for sending control signal to numerical control device, input equipment 1 is on device for dotting upper left side, data input can be carried out, control system 2 is brains of whole device, process Data Concurrent that can be real-time goes out instruction, electrohydraulic digital servo-drive system 3, guide rail 4 and the movement getting equipment ready can be realized, first to determine starting point before getting ready and be marked in intelligent device for dotting, input in input equipment 1 according to Practical Project situation subsequently count (or adjacent two spacing got ready) of getting line length ready and will beating, control system 2 carries out computing to the data message received, determine to get ready number and each coordinate of getting ready and this information is delivered in positioning equipment 6, positioning equipment 6 calculates the position of each point according to the data message received and starting point coordinate, and by information feed back to control system 2, after its analyzing and processing, command tapper 5 on guide rail 4 under the effect of electrohydraulic digital servo-drive system 3, the assigned address moving to laser locator in positioning equipment 6 gets mark ready, then continue the next one and get flow process ready.
In the present embodiment, be provided with spherical drive wheel 7 bottom described housing 8, spherical drive wheel 7 is connected with hydraulic motor transmission, and spherical drive takes turns 7 can according to instruction arbitrarily movement, workable.
In the present embodiment, described tapper 5 comprises tapper I and tapper II; Be provided with for driving tapper I relative to the oil cylinder I 10 of guide rail 4 movement and for driving tapper II relative to the oil cylinder II 11 of guide rail 4 movement in guide rail 4, this oil cylinder I 10 provides pressure oil with oil cylinder II 11 by oil motor, by the action of electrohydraulic digital servo-drive system 3 hydraulic control motor, thus the action of oil cylinder I 10 and oil cylinder II 11 can be controlled, finally control the movement relative to guide rail 4 of tapper 5 I and tapper 5 II.
In the present embodiment, described oil cylinder I 10 is communicated with oil motor by a synchronization loop with oil cylinder II 11; As shown in Figure 6, synchronization loop comprises:
Displacement transducer II 12, is provided with two and is individually fixed in oil cylinder I 10 with on oil cylinder II 11, for gathering the displacement parameter of oil cylinder I 10 and oil cylinder II 11 piston rod respectively;
Electric hydraulic control valve 13, be arranged in the oil circuit between oil motor oil outlet end and oil cylinder II 11, this electric hydraulic control valve signal input part is connected to the signal output part of displacement transducer II, for received bit shifting parameter and then the aperture controlling its valve port continuously; Synchronization loop is the key realizing executive component synchro control.So-called synchronization loop is exactly that two or more hydraulic cylinders displacement at the volley in guarantee system is identical or move with identical speed.In cylinder hydraulic system, the factor affecting synchronization accuracy is a lot, and such as, air content in the outer load of hydraulic cylinder, leakage, frictional resistance, manufacturing accuracy, structural elasticity distortion and fluid, all can make motion asynchronous.Synchronization loop will overcome as far as possible or reduce the impact of these factors, the precision of control element (operation valve etc.) in synchronization loop and the employing etc. of control strategy can improve the net synchronization capability of whole system to a certain extent, the synchronization loop that electrohydraulic digital servo-drive system 3 in the present embodiment adopts servo-valve to form, it has higher synchronization accuracy.Operation valve controls the aperture of its valve port continuously according to the feedback signal of displacement transducer II 12, makes the flow that passes through identical with by the flow of reversal valve 8 valve port, thus ensure that two hydraulic cylinders obtain two-way being synchronized with the movement.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (8)
1. an intelligent device for dotting, is characterized in that: comprise housing, with can the mode of movement be in the horizontal direction arranged at described housing guide rail, be arranged at described guide rail tapper and for driving described guide rail relative to the propulsion system of housing movement.
2. intelligent device for dotting according to claim 1, it is characterized in that: described propulsion system comprise oil motor, ball screw assembly, and electrohydraulic digital servo-drive system, described hydraulic motor transmission is connected to ball screw assembly, and drives guide rail to move by this ball screw assembly; Described electrohydraulic digital servo-drive system is used for hydraulic control motor action and comprises:
Numerical control device, for sending command pulse;
Displacement transducer I, is arranged on tapper for gathering the displacement of tapper;
Numerical check device, its signal input part is connected to institute's displacement sensors I, and the displacement signal gathered for received bit displacement sensor I also generates according to this displacement signal and sends feedback pulse;
Pulse plus-minus loop, its signal input part is connected to the signal output part of numerical control device and numerical check device, for generating and sending digital deflection after comparison order pulse and feedback pulse;
Digital-to-analog converter, its signal input part is connected to pulse plus-minus loop signal output terminal, for receiving digital deflection and generating deviation of simulation voltage;
Servoamplifier, its signal input part is connected to digital-to-analog converter signal output part, for receiving deviation of simulation voltage and exporting one and the proportional control electric current of deviation of simulation voltage signal;
Servo-valve, its signal input part is connected to servoamplifier signal output part, exports for control electric current being converted to hydraulic energy.
3. intelligent device for dotting according to claim 2, is characterized in that: described tapper comprise tapper housing and be slidably matched with described tapper housing get pen ready; Described pen of getting ready is fixed with annular pressing plate, and described tapper housing cavity is divided into pressure chamber and restores chamber by this annular pressing plate, and described pressure chamber is communicated with oil motor oil-out to be got row in the works ready get ready for driving; Be provided with retracing spring in described recovery chamber and get the up return of pen ready described in driving.
4. intelligent device for dotting according to claim 3, is characterized in that: described tapper housing comprises cylindrical tube and is arranged at cylindrical shell lower end for carrying out spacing postive stop baffle to getting row in the works ready.
5. intelligent device for dotting according to claim 2, it is characterized in that: the input equipment also comprising control system and be connected with described control system signal input part, described input equipment comprises for keying in the action button of getting positional information ready and for showing the data display screen getting positional information ready; Described control system signal output part is connected to described numerical control device for sending control signal to numerical control device.
6. intelligent device for dotting according to claim 2, is characterized in that: described housing bottom is provided with spherical drive wheel, and described spherical drive wheel is connected with described hydraulic motor transmission.
7. intelligent device for dotting according to claim 2, is characterized in that: described tapper coordinates with slide; Described tapper comprises tapper I and tapper II; Be provided with in described guide rail for driving tapper I relative to the oil cylinder I of guide rail movement and for driving tapper II relative to the oil cylinder II of guide rail movement.
8. intelligent device for dotting according to claim 7, is characterized in that: described oil cylinder I is communicated with described oil motor by a synchronization loop with oil cylinder II; Described synchronization loop comprises:
Displacement transducer II, is provided with two and is individually fixed in oil cylinder I with on oil cylinder II, for gathering the displacement parameter of oil cylinder I and oil cylinder II piston rod respectively;
Electric hydraulic control valve, be arranged in the oil circuit between oil motor oil outlet end and oil cylinder II, this electric hydraulic control valve signal input part is connected to the signal output part of displacement transducer II, for received bit shifting parameter and then the aperture controlling its valve port continuously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510057993.0A CN104729490B (en) | 2015-02-04 | 2015-02-04 | Intelligent device for dotting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510057993.0A CN104729490B (en) | 2015-02-04 | 2015-02-04 | Intelligent device for dotting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104729490A true CN104729490A (en) | 2015-06-24 |
| CN104729490B CN104729490B (en) | 2017-08-11 |
Family
ID=53453614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510057993.0A Expired - Fee Related CN104729490B (en) | 2015-02-04 | 2015-02-04 | Intelligent device for dotting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104729490B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108000765A (en) * | 2017-11-10 | 2018-05-08 | 又进无尘科技（苏州）有限公司 | A kind of device for dotting easy to mark |
| CN108491111A (en) * | 2018-05-19 | 2018-09-04 | 江苏中致显科技有限公司 | A kind of touch screen frequency point calibrating installation and calibration method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070154715A1 (en) * | 2003-07-16 | 2007-07-05 | Sandvik Intellectual Property Ab | Support pad for long hole drill |
| CN101507989A (en) * | 2009-03-13 | 2009-08-19 | 马鞍山市鹏远锻压设备科技有限公司 | Numerically controlled annular steel-piece ellipse warp thermal-state straightening device |
| CN102211215A (en) * | 2011-06-03 | 2011-10-12 | 韩以伦 | Automatic location punching system of underfloor steel keel and use method thereof in container |
| CN203460254U (en) * | 2013-07-30 | 2014-03-05 | 天津市吉源元印刷制品有限公司 | Punch |
| CN104317252A (en) * | 2014-10-22 | 2015-01-28 | 江苏润仪仪表有限公司 | Small deep-hole drilling machine numerical control system |
| CN204421911U (en) * | 2015-02-04 | 2015-06-24 | 重庆交通大学 | Setting-out device for dotting |
-
2015
- 2015-02-04 CN CN201510057993.0A patent/CN104729490B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070154715A1 (en) * | 2003-07-16 | 2007-07-05 | Sandvik Intellectual Property Ab | Support pad for long hole drill |
| CN101507989A (en) * | 2009-03-13 | 2009-08-19 | 马鞍山市鹏远锻压设备科技有限公司 | Numerically controlled annular steel-piece ellipse warp thermal-state straightening device |
| CN102211215A (en) * | 2011-06-03 | 2011-10-12 | 韩以伦 | Automatic location punching system of underfloor steel keel and use method thereof in container |
| CN203460254U (en) * | 2013-07-30 | 2014-03-05 | 天津市吉源元印刷制品有限公司 | Punch |
| CN104317252A (en) * | 2014-10-22 | 2015-01-28 | 江苏润仪仪表有限公司 | Small deep-hole drilling machine numerical control system |
| CN204421911U (en) * | 2015-02-04 | 2015-06-24 | 重庆交通大学 | Setting-out device for dotting |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108000765A (en) * | 2017-11-10 | 2018-05-08 | 又进无尘科技（苏州）有限公司 | A kind of device for dotting easy to mark |
| CN108491111A (en) * | 2018-05-19 | 2018-09-04 | 江苏中致显科技有限公司 | A kind of touch screen frequency point calibrating installation and calibration method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104729490B (en) | 2017-08-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201106590Y (en) | Apparatus for controlling dual-oil-cylinder synchronous shrinking | |
| CN102287416A (en) | Numeric hydraulic cylinder | |
| CN105058833B (en) | Numerical control hydraulic machine | |
| CN109732024B (en) | Hydraulic horizontal forging machine control system and method capable of selecting forming station | |
| CN204421911U (en) | Setting-out device for dotting | |
| CN103615436A (en) | Numerical control electric-hydraulic proportioning system of steel tube straightening machine | |
| CN102862094B (en) | Hydraulic servo system controlled by numerical control system | |
| CN104729490A (en) | Intelligent dotting device | |
| CN103587719A (en) | Full-automatic drilling and riveting positioning method of flat workpiece | |
| CN101943576A (en) | Detection device of engineering machinery steering angle | |
| CN202220771U (en) | Digital hydraulic cylinder | |
| CN101463849B (en) | Hydraulic electrohydraulic ratio control system and method for prebending machine | |
| US9482243B2 (en) | Reciprocating servo control device for mainshaft of honing machine | |
| CN203856787U (en) | Mobile joint driving device for robot | |
| CN103861983A (en) | Rapid forging press servo direct-drive hydraulic system | |
| CN201811725U (en) | Steering angle detection device for construction machine | |
| CN203644244U (en) | Flight simulator control load linear loading device | |
| CN203759483U (en) | Fin base motion control system based on PLC | |
| CN202646665U (en) | Control system for hydraulic coupler | |
| CN211761147U (en) | Flexible intelligent precise assembly platform with six degrees of freedom | |
| CN204998014U (en) | Numerical control hydraulic press | |
| CN203427340U (en) | Double-station hydrostatic transmission press machine | |
| CN203685776U (en) | Numerical control electric-hydraulic proportional system of steel pipe straightening machine | |
| CN203272296U (en) | Sequential motion loop controlled by travel switches | |
| CN203623015U (en) | Double hydraulic cylinder synchronous control system of gantry hydraulic press |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 1, Fuxing Avenue, Shuang Fu new area, Jiangjin District, Chongqing Patentee after: CHONGQING JIAOTONG University Address before: 400074 Chongqing Nan'an District University Avenue, No. 66 Patentee before: chongqing jiaotong university |
|
| CP02 | Change in the address of a patent holder | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Tao Inventor after: Pan Guobing Inventor after: Zhang Kui Inventor after: Dang Xiaoyu Inventor before: Pan Guobing Inventor before: Dang Xiaoyu |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180223 Address after: 550025 Guizhou Province, Guiyang city Huaxi District Guizhou University west campus building room 202-203. Patentee after: GUIZHOU ZHENGXIA TESTING & TECHNOLOGY CONSULTING CO.,LTD. Address before: No. 1, Fuxing Avenue, Shuang Fu new area, Jiangjin District, Chongqing Patentee before: chongqing jiaotong university |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170811 Termination date: 20220204 |