CN207891257U - A kind of follow-up control apparatus and cooling control system - Google Patents
A kind of follow-up control apparatus and cooling control system Download PDFInfo
- Publication number
- CN207891257U CN207891257U CN201721868570.8U CN201721868570U CN207891257U CN 207891257 U CN207891257 U CN 207891257U CN 201721868570 U CN201721868570 U CN 201721868570U CN 207891257 U CN207891257 U CN 207891257U
- Authority
- CN
- China
- Prior art keywords
- motor
- module
- glass
- signal
- cooling device
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of follow-up control apparatus and cooling control systems.Cooling control system includes cooling device and follow-up control apparatus.Follow-up control apparatus includes glass position detection module, velocity measuring module, main control module, cooling device adjustment module.Glass position detection module detects the position of the two sides of the glass on production line, generates skip signal and is sent to main control module.Velocity measuring module detects the movement speed of glass, generates movement speed signal and is sent to main control module.Main control module calculates the time interval that glass reaches cooling device according to movement speed signal, and generating position according to skip signal adjusts signal, and output position adjustment signal to cooling device adjusts module after time interval.Cooling device adjusts module and is moved according to position adjustment signal, to drive cooling device accordingly to move.The utility model can carry out glass, from motion tracking, to realize cooling device and follow the swing of glass automatically and swing, improve automatization level.
Description
Technical field
The utility model is related to field of glass production technology more particularly to a kind of follow-up control apparatus and cooling control to be
System.
Background technology
Float glass is in process of production, quick-fried due to being cut caused by temperature deviation when in order to solve glass cutting on line
Side, more unfilled corners can increase before diced system cooling device, such as using air-cooled and Water Cooling Technology to glass
Edge cools down, and the temperature of glass edge is made to drop to the temperature for being suitble to cutting.Existing cooling device is needed by artificial
Operation change position, once glass is swung, it is necessary to it is artificial to adjust position in time, otherwise water cooling, air-cooled can deviate from cutting
Smooth cutting effect is not achieved in the position of line.
However, due to the position inaccurate of manual intervention mode, the low-quality problem of glass-cutting is caused.
Utility model content
The utility model embodiment provides a kind of follow-up control apparatus and cooling control system, it is intended to solve the prior art
In due to manual intervention mode position inaccurate, cause the low-quality problem of glass-cutting.
The first aspect of the utility model embodiment provides a kind of follow-up control apparatus, is applied to glass-cutting, described
Follow-up control apparatus includes glass position detection module, velocity measuring module, main control module, cooling device adjustment module.
Main control module is connect with glass position detection module, velocity measuring module and cooling device adjustment module respectively.
Glass position detection module detects the position of the two sides of the glass on production line, generates skip signal and is sent to master
Control module.
Velocity measuring module detects the movement speed of glass, generates movement speed signal and is sent to main control module.
Main control module calculates the time interval that glass reaches cooling device according to movement speed signal, is given birth to according to skip signal
Signal is adjusted at position, and output position adjusts signal to cooling device adjustment module after time interval.
Cooling device adjusts module and is moved according to position adjustment signal, to drive cooling device accordingly to move.
In one embodiment, glass position detection module includes first motor unit and photodetector unit.
First motor unit is connected with photodetector unit, first motor unit and photodetector unit respectively with master control mould
Block connects.
After first motor unit receives the position detection signal of main control module transmission, then driven according to position detection signal
Photodetector unit is moved according to perpendicular to the track of moving direction of glass, and exports first motor speed signal to master control mould
Block.
Photodetector unit sends out skip signal to main control module when detecting the side of glass.
Main control module is obtained according to the time interval and first motor speed signal that receive former and later two skip signals
The position data of the two sides of glass, and position is generated according to position data and adjusts signal.
In one embodiment, first motor unit includes first motor, the first transmission mechanism and the first speed measuring coder.
First motor is connect with the first transmission mechanism and the first speed measuring coder respectively, and first motor and first tests the speed coding
Device is connect with main control module respectively, and the first transmission mechanism is connect with photodetector unit.
First motor receives position detection signal, and is rotated according to position detection signal.
First transmission mechanism follows first motor mobile and drives photodetector unit according to perpendicular to moving direction of glass
Track movement.
First speed measuring coder detects the velocity of rotation of first motor, generates first motor speed signal.
In one embodiment, photodetector unit includes photoelectric testing sensor.
In one embodiment, velocity measuring module includes the second motor, the second transmission mechanism and the second speed measuring coder.
Second motor is connect with the second transmission mechanism and the second speed measuring coder respectively, and the setting of the second transmission mechanism is producing
On line, the second speed measuring coder is connect with main control module.
Second motor drives the movement of the second transmission mechanism, the second transmission mechanism to drive glass movement, the second speed measuring coder
The velocity of rotation of the second motor is detected, movement speed signal is generated and is sent to main control module.
In one embodiment, cooling device adjustment module includes that third motor, third transmission mechanism and third test the speed volume
Code device.
Third motor is connect with third transmission mechanism and third speed measuring coder respectively, and third motor and third test the speed coding
Device is connect with main control module respectively, and third transmission mechanism is connect with cooling device.
Third motor receives position and adjusts signal, and adjusts signal rotation according to position.
Third transmission mechanism follows third motor mobile and cooling device is driven to move.
Third speed measuring coder detects the velocity of rotation of third motor, generates third motor velocity signal and is sent to master control mould
Block.
In one embodiment, third transmission mechanism includes the roller bearing silk being connect respectively with third motor and cooling device
Thick stick.
In one embodiment, main control module includes the positional control unit for driving motor.
The second aspect of the utility model embodiment provides a kind of cooling control system, is applied to glass-cutting, described
The follow-up control apparatus as described above that cooling control system includes cooling device and connect with cooling device.
In one embodiment, cooling device includes air cooling module and/or water cooling module.
Existing advantageous effect is the utility model embodiment compared with prior art：Suitable for float glass online production
When glass edge cooling procedure, can realize to glass from motion tracking, control cooling device is always in the position of cutting line
On, it realizes cooling device and follows the swing of glass automatically and swing, be not necessarily to manual intervention, reduce the work of operating personnel
Amount, solve due to personnel keep an eye on it is not tight caused by position inaccurate and generation the problems such as influence cutting, improve automation
Level has reached unattended purpose.
Description of the drawings
In order to illustrate more clearly of the technical scheme in the embodiment of the utility model, will make below to required in embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model,
For those of ordinary skill in the art, without having to pay creative labor, it can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram for the follow-up control apparatus that one embodiment of the utility model provides；
Fig. 2 is the structural schematic diagram for the follow-up control apparatus that another embodiment of the utility model provides.
Specific implementation mode
In order to make those skilled in the art more fully understand this programme, below in conjunction with attached in this programme embodiment
Figure, is explicitly described the technical solution in this programme embodiment, it is clear that described embodiment is this programme part
Embodiment, instead of all the embodiments.Based on the embodiment in this programme, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work should all belong to the range of this programme protection.
Term " comprising " in the specification and claims of this programme and above-mentioned attached drawing and other any deformations are
Refer to " including but not limited to ", it is intended that cover and non-exclusive include.In addition, term " first " and " second " etc. are for distinguishing
Different objects, not for description particular order.
In the utility model embodiment unless specifically defined or limited otherwise, term " installation ", " connects " connected "
Connect ", the terms such as " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, can also be electrical connection；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements.For the ordinary skill in the art, may be used
To understand the concrete meaning of above-mentioned term in the present invention as the case may be.
The realization of the utility model is described in detail below in conjunction with specific attached drawing.
Embodiment 1：
Fig. 1 shows a kind of follow-up control apparatus applied to glass-cutting that one embodiment of the utility model is provided
100 structure, for convenience of description, illustrate only with the relevant part of the utility model embodiment, details are as follows：
As shown in Figure 1, a kind of follow-up control apparatus 100 that the utility model embodiment is provided, including glass position inspection
It surveys module 110, velocity measuring module 120, main control module 130, cooling device and adjusts module 140.
Main control module 130 adjusts mould with glass position detection module 110, velocity measuring module 120 and cooling device respectively
Block 140 connects.
Glass position detection module 110 detects the position of the two sides of the glass on production line, generates skip signal and sends
To main control module 130.
Velocity measuring module 120 detects the movement speed of glass, generates movement speed signal and is sent to main control module 130.
Main control module 130 calculates the time interval that glass reaches cooling device 200 according to movement speed signal, according to saltus step
Signal generates position and adjusts signal, and output position adjusts signal to cooling device adjustment module 140 after time interval.
Cooling device adjusts module 140 and is moved according to position adjustment signal, to drive cooling device 200 accordingly to move
It is dynamic.
In the present embodiment, main control module 130 calculates the time that glass reaches cooling device 200 according to movement speed signal
Interval, including：Main control module 130 obtains current location and the distance between cooling device 200 of glass, with the distance divided by
The movement speed for including in movement speed signal obtains the time interval that glass reaches cooling device 200.
Main control module 130 calculates the position of the two sides of glass according to the time for receiving skip signal, and then obtains
The amount of movement being adjusted accordingly to cooling device 200 generates the position adjustment signal for carrying the amount of movement.
The output position after time interval of main control module 130 adjusts signal to cooling device and adjusts module 140, can be in glass
After glass reaches 200 position of cooling device, then the accordingly movement of cooling device 200 is controlled, avoids the occurrence of cooling device 200 and shift to an earlier date
Or the situation that lag is mobile, realize the accurately tracking and being servo-actuated to glass of cooling device 200.
In one embodiment, cooling device adjustment module 140 is fixedly connected with cooling device 200, to realize linkage.
In the utility model embodiment, it can be swung during being moved in the production line due to glass, pass through glass
Position detecting module 110 detects the position of the two sides of glass in real time, can realize to glass from motion tracking, and then by cold
But device adjustment module 140 control cooling device 200 follows the swing of glass to adjust position in real time, realizes cooling device 200
Always on the position of cutting line.
As shown in Fig. 2, in one embodiment of the utility model, the glass position detection module 110 in Fig. 1 includes the
One electric motor units 111 and photodetector unit 112.
First motor unit 111 and photodetector unit 112 connect, first motor unit 111 and photodetector unit 112
It is connect respectively with main control module 130.
After first motor unit 111 receives the position detection signal of main control module transmission, then according to position detection signal
It drives photodetector unit 112 to be moved according to perpendicular to the track of moving direction of glass, and exports first motor speed signal extremely
Main control module 130.
When photodetector unit 112 detects the side of glass, skip signal is sent out to master control mould 130.
Main control module 130 is obtained according to the time interval and first motor speed signal that receive former and later two skip signals
To the position data of the two sides of glass, and position is generated according to position data and adjusts signal.
In the present embodiment, first motor unit 111 is fixedly connected with photodetector unit 112, is realized while mobile.
Photodetector unit 112 is moved according to perpendicular to the track of moving direction of glass, when photodetector unit 112 is passed through
When one side of glass, due to shading status difference, photodetector unit 112 exports a skip signal.Work as Photoelectric Detection
When unit 112 passes through another side of glass, a skip signal is exported again.So in the shifting of photodetector unit 112
During dynamic, former and later two skip signals are exported in total.
The time interval for receiving former and later two skip signals is multiplied by first motor speed signal and wraps by main control module 130
The velocity amplitude contained can obtain the position data of the two sides of glass.
The present embodiment determines the position of glass by Photoelectric Detection, and device architecture is simple, easily realizes.
As shown in Fig. 2, in one embodiment of the utility model, first motor unit 111 include first motor 1111,
First transmission mechanism 1112 and the first speed measuring coder 1113.
First motor 1111 is connect with the first transmission mechanism 1112 and the first speed measuring coder 1113 respectively, first motor
1111 and first speed measuring coder 1113 connect respectively with main control module 130, the first transmission mechanism 1112 and photodetector unit
112 connections.
First motor 1111 receives position detection signal, and is rotated according to position detection signal.
First transmission mechanism 1112 follows first motor mobile and photodetector unit 112 is driven to be moved according to perpendicular to glass
The track movement in dynamic direction.
First speed measuring coder 1113 detects the velocity of rotation of first motor 1111, generates first motor speed signal.
In the present embodiment, signal is detected to first motor 1111, for driving first motor in 130 output position of main control module
1111 rotations.
First motor 1111 drives photodetector unit 112 to move by the first transmission mechanism 1112.
First speed measuring coder 1113 detects the velocity of rotation of first motor 1111, generates first motor speed signal to master
Control module 130.
In one embodiment, main control module 130 exports first motor speed control letter according to first motor speed signal
Number the closed-loop control to first motor 1111 is realized to adjust the velocity of rotation of first motor 1111 to first motor 1111.
In one embodiment of the utility model, photodetector unit 112 includes photoelectric testing sensor.
As shown in Fig. 2, in one embodiment of the utility model, the velocity measuring module 120 in Fig. 1 includes the second electricity
Machine 121, the second transmission mechanism 122 and the second speed measuring coder 123.
Second motor 121 is connect with the second transmission mechanism 122 and the second speed measuring coder 123 respectively, the second transmission mechanism
In the production line, the second speed measuring coder 123 is connect with main control module 130 for 122 settings.
Second motor 121 drives the movement of the second transmission mechanism 122, the second transmission mechanism 122 to drive glass movement, and second surveys
Fast encoder 123 detects the velocity of rotation of the second motor 121, generates movement speed signal and is sent to main control module 130.
In one embodiment, the second motor 121 is connect with main control module 130, and main control module 130 exports the second motor control
Signal processed is to the second motor 121.
In one embodiment, main control module 130 exports the second motor speed control signal extremely according to movement speed signal
Second motor 121 realizes the closed-loop control to the second motor 121 to adjust the velocity of rotation of the second motor 121.
As shown in Fig. 2, in one embodiment of the utility model, the cooling device adjustment module 140 in Fig. 1 includes the
Three motors 141, third transmission mechanism 142 and third speed measuring coder 143.
Third motor 141 is connect with third transmission mechanism 142 and third speed measuring coder 143 respectively, 141 He of third motor
Third speed measuring coder 143 is connect with main control module respectively, and third transmission mechanism 142 is connect with cooling device 200.
Third motor 141 receives position and adjusts signal, and adjusts signal rotation according to position.
Third transmission mechanism 142 follows third motor 141 to move and cooling device 200 is driven to move.
Third speed measuring coder 143 detects the velocity of rotation of third motor 141, generates third motor velocity signal and is sent to
Main control module 130.
In one embodiment, main control module 130 exports third motor speed control letter according to third motor velocity signal
Number the closed-loop control to third motor 141 is realized to adjust the velocity of rotation of third motor 141 to third motor 141.
In one embodiment of the utility model, third transmission mechanism 142 include respectively with third motor 141 and cooling
The roller screw that device 200 connects.
This implementation uses roller screw, realizes transmission using the principle of leading screw movement, keeps equipment lighter, more attractive.
As shown in Fig. 2, in one embodiment of the utility model, the main control module 130 in Fig. 1 includes for driving electricity
The positional control unit 131 of machine, 131 output motor driving pulse of positional control unit.
In the present embodiment, main control module 130 uses Siemens S 7-200 PLC.The model of positional control unit 131
For EM253.
In the present embodiment, motor drive pulses include first motor driving pulse, the second motor drive pulses and third electricity
Machine driving pulse.
Positional control unit 131 exports first motor driving pulse to first motor 1111, to drive first motor 1111 to rotate.
Positional control unit 131 exports the second motor drive pulses to the second motor 121, to drive the rotation of the second motor 121.
Positional control unit 131 exports third motor drive pulses to third motor 141, to drive third motor 141 to rotate.
The utility model embodiment is suitable for the cooling procedure of glass edge when float glass online production, can realize pair
Glass from motion tracking, control cooling device on the position of cutting line, realizes cooling device and follows glass automatically always
Swing and swing, be not necessarily to manual intervention, reduce the workload of operating personnel, solve due to personnel keep an eye on it is not tight caused by calmly
Position is inaccurate and generation the problems such as influence cutting, improves automatization level, has reached unattended purpose.
Embodiment 2：
The utility model embodiment additionally provides a kind of cooling control system, is applied to glass-cutting, cooling control system
The follow-up control apparatus as described above 100 being connect including cooling device 200 and with cooling device 200.
In one embodiment of the utility model, the cooling device 200 includes air cooling module and/or water cooling module.
The above, above example are only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, it will be understood by those of ordinary skill in the art that：It is still
Can be with technical scheme described in the above embodiments is modified, or which part technical characteristic is equally replaced
It changes；And these modifications or replacements, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (10)
1. a kind of follow-up control apparatus, which is characterized in that be applied to glass-cutting, the follow-up control apparatus includes glass position
Detection module, velocity measuring module, main control module, cooling device adjust module；
The main control module is adjusted with the glass position detection module, the velocity measuring module and the cooling device respectively
Module connects；
The position of the two sides of glass on the glass position detection module detection production line, generates skip signal and is sent to institute
State main control module；
The velocity measuring module detects the movement speed of the glass, generates movement speed signal and is sent to the master control mould
Block；
The main control module calculates the time interval that glass reaches cooling device according to the movement speed signal, according to the jump
Varying signal generates position and adjusts signal, and exports the position after the time interval and adjust signal to the cooling device tune
Mould preparation block；
The cooling device adjustment module adjusts signal according to the position and is moved, to drive the cooling device accordingly to move
It is dynamic.
2. follow-up control apparatus as described in claim 1, which is characterized in that the glass position detection module includes the first electricity
Machine unit and photodetector unit；
The first motor unit is connected with the photodetector unit, the first motor unit and the photodetector unit
It is connect respectively with the main control module；
After the first motor unit receives the position detection signal that the main control module is sent, then according to the position detection
Signal drives the photodetector unit to be moved according to perpendicular to the track of the moving direction of glass, and exports first motor speed
Signal is spent to the main control module；
The photodetector unit sends out skip signal to the main control module when detecting the side of the glass；
The main control module is according to the time interval and the first motor speed for receiving former and later two skip signals
Signal obtains the position data of the two sides of the glass, and generates the position according to the position data and adjust signal.
3. follow-up control apparatus as claimed in claim 2, which is characterized in that the first motor unit include first motor,
First transmission mechanism and the first speed measuring coder；
The first motor is connect with first transmission mechanism and first speed measuring coder respectively, the first motor and
First speed measuring coder is connect with the main control module respectively, and first transmission mechanism connects with the photodetector unit
It connects；
The first motor receives the position detection signal, and is rotated according to the position detection signal；
First transmission mechanism follows the first motor mobile and drives the photodetector unit according to perpendicular to described
It moves the track of moving direction of glass；
First speed measuring coder detects the velocity of rotation of the first motor, generates the first motor speed signal.
4. follow-up control apparatus as claimed in claim 2, which is characterized in that the photodetector unit includes that Photoelectric Detection passes
Sensor.
5. follow-up control apparatus as described in claim 1, which is characterized in that the velocity measuring module include the second motor,
Second transmission mechanism and the second speed measuring coder；
Second motor is connect with second transmission mechanism and second speed measuring coder respectively, second driver
Structure is arranged on the production line, and second speed measuring coder is connect with the main control module；
Second motor drives the second transmission mechanism movement, second transmission mechanism to drive the glass movement, institute
The velocity of rotation that the second speed measuring coder detects second motor is stated, the movement speed signal is generated and is sent to the master control
Module.
6. follow-up control apparatus as described in claim 1, which is characterized in that the cooling device adjustment module includes third electricity
Machine, third transmission mechanism and third speed measuring coder；
The third motor is connect with the third transmission mechanism and the third speed measuring coder respectively, the third motor and
The third speed measuring coder is connect with the main control module respectively, and the third transmission mechanism is connect with the cooling device；
The third motor receives the position and adjusts signal, and adjusts signal rotation according to the position；
The third transmission mechanism follows the third motor mobile and the cooling device is driven to move；
The third speed measuring coder detects the velocity of rotation of the third motor, generates third motor velocity signal and is sent to institute
State main control module.
7. follow-up control apparatus as claimed in claim 6, which is characterized in that the third transmission mechanism include respectively with it is described
The roller screw that third motor is connected with the cooling device.
8. follow-up control apparatus as described in any one of claim 1 to 7, which is characterized in that the main control module includes being used for
The positional control unit of driving motor.
9. a kind of cooling control system, which is characterized in that be applied to glass-cutting, the cooling control system includes cooling device
Connect with the cooling device such as claim 1 to 8 any one of them follow-up control apparatus.
10. cooling control system as claimed in claim 9, which is characterized in that the cooling device include air cooling module and/or
Water cooling module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721868570.8U CN207891257U (en) | 2017-12-27 | 2017-12-27 | A kind of follow-up control apparatus and cooling control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721868570.8U CN207891257U (en) | 2017-12-27 | 2017-12-27 | A kind of follow-up control apparatus and cooling control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207891257U true CN207891257U (en) | 2018-09-21 |
Family
ID=63549944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721868570.8U Active CN207891257U (en) | 2017-12-27 | 2017-12-27 | A kind of follow-up control apparatus and cooling control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207891257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108002696A (en) * | 2017-12-27 | 2018-05-08 | 信义玻璃（营口）有限公司 | A kind of follow-up control apparatus and cooling control system |
-
2017
- 2017-12-27 CN CN201721868570.8U patent/CN207891257U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108002696A (en) * | 2017-12-27 | 2018-05-08 | 信义玻璃（营口）有限公司 | A kind of follow-up control apparatus and cooling control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102003943B (en) | Method for measuring diameter of non-contact forging on line by using laser | |
| CN105653999B (en) | The performance testing device and its application method of two-dimensional code scanning device | |
| CN103676653A (en) | Servo synchronous control method and system applied to gantry mechanism | |
| CN101949469A (en) | Electrical synchronized method and device of hoist with two hoisting points | |
| CN106311766B (en) | Novel length measurement system | |
| CN106493953B (en) | A kind of parallel arm 3D printer and control system | |
| CN207891257U (en) | A kind of follow-up control apparatus and cooling control system | |
| CN111010053A (en) | Dual-motor synchronous control method and system | |
| CN102797946B (en) | White balance debugging probe positioning device | |
| CN104493332A (en) | Seam tracking control method based on arc oscillation self-adjustment sensing mechanism | |
| CN202339406U (en) | Display batch-detection system for liquid crystal screens of electric energy meters | |
| CN104016170A (en) | Automatic on-line rectifying device | |
| CN109085855A (en) | A kind of sensor position adjustment device, system, method of adjustment and vehicle | |
| CN101246353A (en) | Velocity synchronous self-adapting reversed control method for multi-motor system of IC material linear cutting machine | |
| CN106379757B (en) | A kind of no-station pole canopy rubber winding control system and its control method based on bus | |
| CN103091836A (en) | Optical scanning head drive control system based on hollow encoder and phase difference | |
| CN109780381A (en) | Levelling mechanism and leveling method | |
| CN202975709U (en) | Digital control system for sapphire crystal growth furnace | |
| CN202841028U (en) | Balance control system for double motor driven vertical lift platform | |
| CN108002696A (en) | A kind of follow-up control apparatus and cooling control system | |
| CN107738023B (en) | Automatic weld joint tracking device and method based on linear array CCD | |
| CN204802943U (en) | Fork truck plays to rise speed adjusting device of system | |
| CN103823182A (en) | Test system for servo motor | |
| CN103411482A (en) | Double closed-loop electric lock loop control method based on virtual speed inner ring | |
| CN202093353U (en) | Float glass cold side rate tracking and adaptive control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |