CN113296425A - Control system for winding equipment - Google Patents

Control system for winding equipment Download PDF

Info

Publication number
CN113296425A
CN113296425A CN202110344957.8A CN202110344957A CN113296425A CN 113296425 A CN113296425 A CN 113296425A CN 202110344957 A CN202110344957 A CN 202110344957A CN 113296425 A CN113296425 A CN 113296425A
Authority
CN
China
Prior art keywords
kel
electrically connected
circuit
terminal
pica2
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
Application number
CN202110344957.8A
Other languages
Chinese (zh)
Other versions
CN113296425B (en
Inventor
张德强
俞金卫
梁靓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Hengyou Chemical Fiber Co Ltd
Original Assignee
Zhejiang Hengyou Chemical Fiber Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Hengyou Chemical Fiber Co Ltd filed Critical Zhejiang Hengyou Chemical Fiber Co Ltd
Priority to CN202110344957.8A priority Critical patent/CN113296425B/en
Publication of CN113296425A publication Critical patent/CN113296425A/en
Application granted granted Critical
Publication of CN113296425B publication Critical patent/CN113296425B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D7/00Collecting the newly-spun products

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

The invention discloses a control system for a winding device, comprising: the main circuit is used for controlling the delayed starting of the lifting motor; the switching circuit is used for controlling the working state of the equipment; the drive circuit is used for respectively driving the metering motor and the wire guide disc motor to work; the power supply circuit is used for supplying power to the control system; the main circuit is electrically connected with the switch circuit, the driving circuit and the power circuit respectively. The control system for the winding equipment is simple in structure and convenient to use, and realizes accurate control of waste discharge time by delaying starting of the lifting motor through preset time; greatly improving the product quality and reducing the labor intensity of workers.

Description

Control system for winding equipment
Technical Field
The invention relates to the technical field of spinning, in particular to a control system for winding equipment.
Background
The waste material discharging process needs manual visual inspection in the spinning working section in the existing spinning process, the waste material discharging time is short, the assembly and the PTA slurry are not unified, the produced product is scrapped, and the waste material discharging time is long, so that raw materials can be wasted
In the working process of the existing winding equipment, the following problems also exist:
1. the waste discharge time is short, so that the components and the PTA slurry are not unified, and the produced product is scrapped;
2. the long waste discharge time wastes raw materials;
3. the waste discharge time is judged manually, and the product stability is not high;
4. the product has unstable indexes, and the yield of the bottom layer silk product cannot be effectively ensured.
Based on the above situation, the present invention provides a control system for a winding apparatus, which can effectively solve the above problems.
Disclosure of Invention
The invention aims to provide a control system for a winding device. The control system for the winding equipment is simple in structure and convenient to use, and realizes accurate control of waste discharge time by delaying starting of the lifting motor through preset time; greatly improving the product quality and reducing the labor intensity of workers.
The invention is realized by the following technical scheme:
a control system for a winding apparatus, comprising:
the main circuit is used for controlling the delayed starting of the lifting motor;
the switching circuit is used for controlling the working state of the equipment;
the drive circuit is used for respectively driving the metering motor and the wire guide disc motor to work;
the power supply circuit is used for supplying power to the control system;
the main circuit is electrically connected with the switch circuit, the driving circuit and the power circuit respectively.
The invention aims to provide a control system for a winding device. The control system for the winding equipment is simple in structure and convenient to use, and realizes accurate control of waste discharge time by delaying starting of the lifting motor through preset time; greatly improving the product quality and reducing the labor intensity of workers.
Preferably, the main circuit comprises a main board PicA2, an intermediate relay KA and a normally closed contact KA1 and a normally open contact KA3 thereof, and a time relay KT and a normally open contact KT1 thereof;
mainboard PicA 2's GP24 terminal is connected with normally closed contact KA1, normally open contact KT1 and normally open contact KA3 one end electricity respectively, the normally closed contact KA1 other end is connected with time relay KT one end electricity, the time relay KT other end is connected with mainboard PicA 2's JB14 terminal electricity, normally open contact KT1 and normally open contact KA3 other end all are connected with auxiliary relay KA one end electricity, the auxiliary relay KA other end is connected with mainboard PicA 2's JB14 terminal electricity.
Preferably, the switch circuit includes a sub control board RIO, a first button control board BOX1, and a second button control board BOX 2;
the first button control board BOX1 is respectively electrically connected with a secondary control board RIO and a GN24 terminal of the main board PicA2, the secondary control board RIO is electrically connected with a RIO board communication port of the main board PicA2, one end of the second button control board BOX2 is electrically connected with a GP24 terminal of the main board PicA2, and the other end is electrically connected with a BOX2 communication port of the main board PicA 2.
Preferably, the driving circuit comprises a first frequency converter GP, a second frequency converter GR, a first circuit breaker Q1, a metering pump motor M1, a godet motor M2, a lifting motor M3, a forward contactor KEL-F and a normally closed contact KEL-F1 thereof, a reverse contactor KEL-R and a normally closed contact KEL-R1 thereof, and a normally open contact KA2 of the intermediate relay KA;
the first frequency converter GP is respectively electrically connected with a metering pump motor M1 and a main board PicA2, the second frequency converter GR is respectively electrically connected with a wire guide disc motor M2 and a main board PicA2, the first breaker Q1 is respectively electrically connected with one end of a forward rotation contactor KEL-F and one end of a reverse rotation contactor KEL-R, the other ends of the forward rotation contactor KEL-F and the reverse rotation contactor KEL-R are respectively electrically connected with a descending motor M3, the GP24 terminal of the main board PicA2 is electrically connected with one end of a normally open contact KA2 of an intermediate relay KA, the other end of the normally open contact KA2 is electrically connected with an A1 port of the forward rotation contactor KEL-F and an A1 port of the reverse rotation contactor KEL-R, an A2 port of the forward rotation contactor KEL-F is electrically connected with a normally closed contact KEL-R1, the other end of the normally closed contact KEL-R1 is electrically connected with a YOA terminal of the main board PicA2, and the normally closed KEL-R port 2 of the reverse rotation contactor KEL-R is electrically connected with a contact KEL-1, the other end of the normally closed contact KEL-F1 is electrically connected with a YOB terminal of the mainboard PicA 2.
Preferably, the power circuit comprises a second circuit breaker Q2, a switching power supply G1;
the second circuit breaker Q2 is electrically connected to one end of a switching power supply G1, and the other end of the switching power supply G1 is electrically connected to a GP24 terminal and a GN24 terminal of the main board PicA2, respectively.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the control system for the winding equipment is simple in structure and convenient to use, and realizes accurate control of waste discharge time by delaying starting of the lifting motor through preset time; greatly improving the product quality and reducing the labor intensity of workers.
1. The temperature of the assembly and the slurry can be kept consistent after regular operation, and the stability of the bottom layer wire is ensured;
2. the temperature of the spinneret plate and the slurry can be kept consistent after regular operation, and the stability of the bottom layer filament is ensured;
3. after the regular operation, the waste discharge time is controlled more accurately by the system, and the product is more stable;
4. after regular operation, each index of the product is more stable, and the yield of the bottom layer silk product is effectively ensured.
Drawings
FIG. 1 is a schematic block diagram of the present invention;
fig. 2 is an electrical schematic of the present invention.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example 1:
as shown in fig. 1 to 2, a control system for a winding apparatus includes:
the main circuit is used for controlling the delayed starting of the lifting motor;
the switching circuit is used for controlling the working state of the equipment;
the drive circuit is used for respectively driving the metering motor and the wire guide disc motor to work;
the power supply circuit is used for supplying power to the control system;
the main circuit is electrically connected with the switch circuit, the driving circuit and the power circuit respectively.
Example 2:
as shown in fig. 1 to 2, a control system for a winding apparatus includes:
the main circuit is used for controlling the delayed starting of the lifting motor;
the switching circuit is used for controlling the working state of the equipment;
the drive circuit is used for respectively driving the metering motor and the wire guide disc motor to work;
the power supply circuit is used for supplying power to the control system;
the main circuit is electrically connected with the switch circuit, the driving circuit and the power circuit respectively.
Further, in another embodiment, the main circuit comprises a main board PicA2, an intermediate relay KA and its normally closed contact KA1 and normally open contact KA3, a time relay KT and its normally open contact KT 1;
mainboard PicA 2's GP24 terminal is connected with normally closed contact KA1, normally open contact KT1 and normally open contact KA3 one end electricity respectively, the normally closed contact KA1 other end is connected with time relay KT one end electricity, the time relay KT other end is connected with mainboard PicA 2's JB14 terminal electricity, normally open contact KT1 and normally open contact KA3 other end all are connected with auxiliary relay KA one end electricity, the auxiliary relay KA other end is connected with mainboard PicA 2's JB14 terminal electricity.
Mainboard PicA 2's GP24 terminal, normally closed contact KA1 and time relay KT constitute first working circuit, time relay KT gets the electricity after, normally open contact KT1 is closed, thereby mainboard PicA 2's GP24 terminal, normally open contact KT1, auxiliary relay KA second work constitutes the return circuit, auxiliary relay KA gets the electricity after, normally closed contact KA1 disconnection, normally open contact KA2 and KA3 are closed, to this end, normally open contact KA3, auxiliary relay KA, mainboard PicA 2's GP24 terminal constitutes third working circuit. This circuit design lets relay KT delay closed through setting for the time, has realized control waste material discharge time, simple structure, and it is convenient to connect.
Further, in another embodiment, the switch circuit includes a secondary control board RIO, a first button control board BOX1, and a second button control board BOX 2;
the first button control board BOX1 is respectively electrically connected with a secondary control board RIO and a GN24 terminal of the main board PicA2, the secondary control board RIO is electrically connected with a RIO board communication port of the main board PicA2, one end of the second button control board BOX2 is electrically connected with a GP24 terminal of the main board PicA2, and the other end is electrically connected with a BOX2 communication port of the main board PicA 2.
The first button control board BOX1 includes 11 buttons, respectively: f0 advances, F1 retreats, F2 stops, F3 batch number, F4 spinning call, F5 scissors, F6 automatic doffing, F7 manual call, F8 final doffing, F9 maintenance and F10 reset;
the second button control board BOX2 includes 14 buttons, respectively: the method comprises the following steps of starting an X0 oil agent pump, starting an X1 metering pump, starting an X2 high speed, automatically starting an X3, starting an X4 low speed, starting an X5 high-speed indicator light, stopping the X6 oil agent pump, stopping the X7 metering pump, braking the X8, communicating an X9, starting an X10 air duct to a ceiling light, ascending an X11 air duct, stopping the X12 air duct and descending an X13 air duct.
Further, in another embodiment, the driving circuit includes a first frequency converter GP, a second frequency converter GR, a first circuit breaker Q1, a metering pump motor M1, a godet motor M2, a lifting motor M3, a forward contactor KEL-F and its normally closed contact KEL-F1, a reverse contactor KEL-R and its normally closed contact KEL-R1, and a normally open contact KA2 of the intermediate relay KA;
the first frequency converter GP is respectively and electrically connected with a metering pump motor M1 and a mainboard PicA2, the second frequency converter GR is respectively and electrically connected with a godet wheel motor M2 and the mainboard PicA2, the first breaker Q1 is respectively and electrically connected with one end of a forward contactor KEL-F and one end of a reverse contactor KEL-R, the other end of the forward contactor KEL-F and the other end of the reverse contactor KEL-R are both and electrically connected with a descending motor M3, the GP24 terminal of the mainboard PicA2 is electrically connected with one end of a normally open contact KA2 of an intermediate relay KA, the other end of the normally open contact KA2 is electrically connected with an A1 port of the forward contactor KEL-F and an A1 port of the reverse contactor KEL-R, an A2 port of the forward contactor KEL-F is electrically connected with a normally closed contact KEL-R1, the other end of the normally closed contact KEL-R1 is electrically connected with a YOA terminal of the mainboard PicA 638, and a2 port of the normally closed contact KEL-R is electrically connected with a contact 1, the other end of the normally closed contact KEL-F1 is electrically connected with a YOB terminal of the mainboard PicA 2.
When the second working circuit starts to work, the coil of the intermediate relay KA is electrified, the contacts KA1, KA2 and KA3 act, and KA3 is closed to enable the coil of the intermediate relay KA to be self-locked and keep long-distance connection. The GP24 terminal, KA2 contact, normal rotation contactor KEL-F, KEL-R interlocking normally closed contact and YOA terminal of the main board PicA2 on the main board PicA2 form a loop, and then the lifting motor M3 starts to work. The forward and reverse rotating contactors are respectively provided with a normally closed contact which is connected in series in the control loop of the other contactor, so that double safety guarantee is achieved, and the reversing is rapid, simple and convenient.
Further, in another embodiment, the power circuit includes a second circuit breaker Q2, a switching power supply G1;
the second circuit breaker Q2 is electrically connected to one end of a switching power supply G1, and the other end of the switching power supply G1 is electrically connected to a GP24 terminal and a GN24 terminal of the main board PicA2, respectively.
The working principle of one embodiment of the invention is as follows:
a control system for a winding device is characterized in that a button of a second button control board BOX2 is pressed, a PicA2 main board gives a starting signal to a first frequency converter GP, the first frequency converter GP starts starting acceleration, at the moment, a metering pump motor M1 starts accelerating rotation, the first frequency converter GP accelerates to run to reach the rotating speed set by the main board PicA2, the main board PicA2 gives a signal to a second button control board BOX2, after a high-speed indicator lamp of a second button control board BOX2 is lightened, a JB14 terminal of the main board PicA2 automatically acquires the starting signal, after a BOX shovel of a spinning worker is finished, a finish pump starting button of the second button control board BOX2 is pressed, then a spinning head yarn is thrown away, an operator of a downstream working section receives the spinning head yarn and presses a button of the first button control board BOX1 to start a godet motor M2, so that the motor starts running, if waste discharge time is not reached, the winding worker presses a F0 starting button for the second time, the lifting motor M3 will not start working until the set time is reached.
According to the description of the invention and the attached drawings, a person skilled in the art can easily make or use the control system for a winding apparatus of the invention and can bring about the positive effects described in the invention.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.

Claims (5)

1. A control system for a winding apparatus, comprising:
the main circuit is used for controlling the delayed starting of the lifting motor;
the switching circuit is used for controlling the working state of the equipment;
the drive circuit is used for respectively driving the metering motor and the wire guide disc motor to work;
the power supply circuit is used for supplying power to the control system;
the main circuit is electrically connected with the switch circuit, the driving circuit and the power circuit respectively.
2. The control system for a winding apparatus according to claim 1, characterized in that: the main circuit comprises a mainboard PicA2, an intermediate relay KA and a normally closed contact KA1 and a normally open contact KA3 thereof, and a time relay KT and a normally open contact KT1 thereof;
mainboard PicA 2's GP24 terminal is connected with normally closed contact KA1, normally open contact KT1 and normally open contact KA3 one end electricity respectively, the normally closed contact KA1 other end is connected with time relay KT one end electricity, the time relay KT other end is connected with mainboard PicA 2's JB14 terminal electricity, normally open contact KT1 and normally open contact KA3 other end all are connected with auxiliary relay KA one end electricity, the auxiliary relay KA other end is connected with mainboard PicA 2's JB14 terminal electricity.
3. The control system for a winding apparatus according to claim 2, characterized in that: the switch circuit comprises a secondary control board RIO, a first button control board BOX1 and a second button control board BOX 2;
the first button control board BOX1 is respectively electrically connected with a secondary control board RIO and a GN24 terminal of the main board PicA2, the secondary control board RIO is electrically connected with a RIO board communication port of the main board PicA2, one end of the second button control board BOX2 is electrically connected with a GP24 terminal of the main board PicA2, and the other end is electrically connected with a BOX2 communication port of the main board PicA 2.
4. The control system for a winding apparatus according to claim 3, characterized in that: the driving circuit comprises a first frequency converter GP, a second frequency converter GR, a first circuit breaker Q1, a metering pump motor M1, a godet motor M2, a lifting motor M3, a forward rotation contactor KEL-F and a normally closed contact KEL-F1 thereof, a reverse rotation contactor KEL-R and a normally closed contact KEL-R1 thereof, and a normally open contact KA2 of an intermediate relay KA;
the first frequency converter GP is respectively electrically connected with a metering pump motor M1 and a main board PicA2, the second frequency converter GR is respectively electrically connected with a wire guide disc motor M2 and a main board PicA2, the first breaker Q1 is respectively electrically connected with one end of a forward rotation contactor KEL-F and one end of a reverse rotation contactor KEL-R, the other ends of the forward rotation contactor KEL-F and the reverse rotation contactor KEL-R are respectively electrically connected with a descending motor M3, the GP24 terminal of the main board PicA2 is electrically connected with one end of a normally open contact KA2 of an intermediate relay KA, the other end of the normally open contact KA2 is electrically connected with an A1 port of the forward rotation contactor KEL-F and an A1 port of the reverse rotation contactor KEL-R, an A2 port of the forward rotation contactor KEL-F is electrically connected with a normally closed contact KEL-R1, the other end of the normally closed contact KEL-R1 is electrically connected with a YOA terminal of the main board PicA2, and the normally closed KEL-R port 2 of the reverse rotation contactor KEL-R is electrically connected with a contact KEL-1, the other end of the normally closed contact KEL-F1 is electrically connected with a YOB terminal of the mainboard PicA 2.
5. The control system for a winding apparatus according to claim 4, characterized in that: the power circuit comprises a second circuit breaker Q2, a switching power supply G1;
the second circuit breaker Q2 is electrically connected to one end of a switching power supply G1, and the other end of the switching power supply G1 is electrically connected to a GP24 terminal and a GN24 terminal of the main board PicA2, respectively.
CN202110344957.8A 2021-03-31 2021-03-31 Control system for winding equipment Active CN113296425B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110344957.8A CN113296425B (en) 2021-03-31 2021-03-31 Control system for winding equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110344957.8A CN113296425B (en) 2021-03-31 2021-03-31 Control system for winding equipment

Publications (2)

Publication Number Publication Date
CN113296425A true CN113296425A (en) 2021-08-24
CN113296425B CN113296425B (en) 2022-06-10

Family

ID=77319254

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110344957.8A Active CN113296425B (en) 2021-03-31 2021-03-31 Control system for winding equipment

Country Status (1)

Country Link
CN (1) CN113296425B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH679935A5 (en) * 1989-10-09 1992-05-15 Benninger Ag Maschf
CN200964455Y (en) * 2006-11-03 2007-10-24 唐山三友集团化纤有限公司 Spinning machine speed synchronization controller
CN202508689U (en) * 2012-03-16 2012-10-31 骏马化纤股份有限公司 Controllable timing type silk suction device
CN203333832U (en) * 2013-06-29 2013-12-11 宜宾海丝特纤维有限责任公司 Control system for semi-continuous spinning machine
CN203759457U (en) * 2014-03-08 2014-08-06 福建凯邦锦纶科技有限公司 Polyamide fiber production line shredding device slow row switch maloperation linkage control electric device
CN206133273U (en) * 2016-08-31 2017-04-26 浙江雅迪纤维有限公司 Novel control system of double -deck winder
CN206783000U (en) * 2016-12-27 2017-12-22 河南怡祥工贸有限公司 Spinning up- coiler control device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH679935A5 (en) * 1989-10-09 1992-05-15 Benninger Ag Maschf
CN200964455Y (en) * 2006-11-03 2007-10-24 唐山三友集团化纤有限公司 Spinning machine speed synchronization controller
CN202508689U (en) * 2012-03-16 2012-10-31 骏马化纤股份有限公司 Controllable timing type silk suction device
CN203333832U (en) * 2013-06-29 2013-12-11 宜宾海丝特纤维有限责任公司 Control system for semi-continuous spinning machine
CN203759457U (en) * 2014-03-08 2014-08-06 福建凯邦锦纶科技有限公司 Polyamide fiber production line shredding device slow row switch maloperation linkage control electric device
CN206133273U (en) * 2016-08-31 2017-04-26 浙江雅迪纤维有限公司 Novel control system of double -deck winder
CN206783000U (en) * 2016-12-27 2017-12-22 河南怡祥工贸有限公司 Spinning up- coiler control device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
袁善旭: "基于多轴伺服系统的细纱机控制系统设计", 《纺织器材》 *

Also Published As

Publication number Publication date
CN113296425B (en) 2022-06-10

Similar Documents

Publication Publication Date Title
CN113296425B (en) Control system for winding equipment
CN201766553U (en) Frequency-conversion control circuit for main motor of spinning frame
CN103060516A (en) Converter tilting frequency conversion timing control system
CN102294293A (en) Starting control method, system and equipment of coal pulverizer
CN211678200U (en) Single-shaft crusher control system and crusher
CN103060976B (en) Method and apparatus for controlling spinning yarn breakage
CN214298448U (en) Independent rolling platform controlling means
CN200959587Y (en) Controller of double-speed asynchronous motor
CN212623690U (en) Poultry production line is with manual coordinated control circuit
CN208829833U (en) A kind of power-off early warning of two-for-one twister and synchronous circuit
CN202145602U (en) Reconstructed automatic coil winding machine based on hand-operated coil winding machine
CN204369440U (en) Crown block control device
CN214101226U (en) PTA device filter press variable frequency control system with power frequency direct start function
CN217335064U (en) Steel rolling feeding rack double-loop protection system
CN213072490U (en) Control device for hoist
CN205170195U (en) Mono overhead crane limit ton device
CN2571788Y (en) Multiple motor synchronous stop controller
CN212086100U (en) Automatic control device for hoister
CN219827209U (en) Variable frequency control device for fan of pulverizer room
CN111195566B (en) Automatic control system with anti-interference function
CN215416353U (en) Centralized interlocking control device
CN115360938B (en) Scrapped automobile disassembly oil extraction control circuit and device
CN210577089U (en) Switch cabinet
CN221610159U (en) Automatic alarm device for broken pin of metering pump
CN203754907U (en) Energy-saving speed regulation device for warping machine

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant