CN110212492A - A kind of motor operation mechanism - Google Patents

A kind of motor operation mechanism Download PDF

Info

Publication number
CN110212492A
CN110212492A CN201910537616.5A CN201910537616A CN110212492A CN 110212492 A CN110212492 A CN 110212492A CN 201910537616 A CN201910537616 A CN 201910537616A CN 110212492 A CN110212492 A CN 110212492A
Authority
CN
China
Prior art keywords
module
motor
operation mechanism
stop
positive
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.)
Pending
Application number
CN201910537616.5A
Other languages
Chinese (zh)
Inventor
张健榕
陈敬禧
翟照辉
张庆和
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.)
Guangdong Power Grid Co Ltd
Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Guangdong Power Grid Co Ltd
Dongguan Power Supply Bureau of Guangdong Power Grid 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 Guangdong Power Grid Co Ltd, Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Guangdong Power Grid Co Ltd
Priority to CN201910537616.5A priority Critical patent/CN110212492A/en
Publication of CN110212492A publication Critical patent/CN110212492A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
    • H02H7/0853Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load specially adapted for motors rotating in both directions
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
    • H02H7/0855Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load avoiding response to transient overloads, e.g. during starting

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)

Abstract

The invention discloses a kind of motor operation mechanisms, including motor, start and stop module, positive and negative rotation module, induction module, reseting module, wireless communication module and remote controler;The start and stop module is used to control the starting of motor, stops, and the positive and negative rotation module is used to adjust the rotation direction of motor, and the induction module is for detecting the drag size that the output end of motor is subject to;Wherein, the motor is electrically connected in the start and stop module, positive and negative rotation module, induction module, reseting module;The start and stop module and positive and negative rotation module are connected to wireless communication module, and the remote controler and wireless communication module communicate to connect.A kind of motor operation mechanism provided in an embodiment of the present invention realizes double insurance by induction module and reseting module: before starting motor every time, after needing to reset by reseting module, could start motor;After electric motor starting, when induction module detects that resistance is greater than preset value, motor automatic stop work.

Description

A kind of motor operation mechanism
Technical field
The invention belongs to power safety technique field, specially a kind of motor operation mechanism.
Background technique
Dongguan power supply bureau 10kV distribution box producer brand is numerous at present, and the obstructed use of operation handle of each distribution box causes O&M suddenly repairs personnel, needs to carry numerous operation handles, and operating space is narrow sometimes, causes to occur going back to branch office again The problem of looking for operational instrument or can not operating, greatly delays work to carry out, and wastes a large amount of manpowers and time.In 10kV route cyclization When operation, it is necessary to consider to guarantee that phase is consistent, voltage difference, phase angle should meet regulation, each unlikely mistake of load in looped network after cyclization It carries, power flow changing is no more than the limiting factor of the stabilization of power grids, place capacity etc. in cyclization network, and cyclization moment will generate Biggish dash current generates grave danger to O&M operator's personal safety.
Existing motor operation mechanism can only simply be started and stopped operation, when operation handle is rotated in place, It needs manually to stop motor, brings security risk to operator.
Summary of the invention
The purpose of the present invention is to provide a kind of motor operation mechanism, can automatic sensing drag size, realization is automatically stopped Motor.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of motor operation mechanism, including it is motor, start and stop module, positive and negative rotation module, induction module, reseting module, wireless Communication module and remote controler;
The start and stop module is used to control the starting of motor, stops, and the positive and negative rotation module is used to adjust the rotation of motor Direction, the induction module is for detecting the drag size that the output end of motor is subject to;
Wherein, the motor is electrically connected in the start and stop module, positive and negative rotation module, induction module, reseting module;
The start and stop module and positive and negative rotation module are connected to wireless communication module, the remote controler and radio communication mold Block communication connection.
Optionally, the motor operation mechanism further includes battery module, and the outside of the battery module passes through two docking Metal box sealing.
Optionally, washer is arranged in the edge of two metal boxes, is bolted between metal box.
Optionally, the motor operation mechanism further includes gear module.
Optionally, it is provided in the motor operation mechanism and controls battery module, reseting module and gear module respectively Switch button, reset button and gear knob.
Optionally, start-stop button, positive and negative rotation button are provided on the remote controler.
Compared with prior art, the embodiment of the present invention has the advantages that
A kind of motor operation mechanism provided in an embodiment of the present invention realizes dual guarantor by induction module and reseting module Danger: before starting motor every time, after needing to reset by reseting module, motor could be started;After electric motor starting, induction module When detecting that resistance is greater than preset value, motor automatic stop work.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art To obtain other attached drawings according to these attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for Those skilled in the art understands and reads, and is not intended to limit the invention enforceable qualifications, therefore does not have technical Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the function of the invention that can be generated Under effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents obtain and can cover.
Fig. 1 is the forward sight that portable 10kV multiple groups closing operation pullover provided in an embodiment of the present invention far controls mechanical manipulator Figure.
Fig. 2 is the side view that portable 10kV multiple groups closing operation pullover provided in an embodiment of the present invention far controls mechanical manipulator Figure.
Fig. 3 is the axis side that portable 10kV multiple groups closing operation pullover provided in an embodiment of the present invention far controls mechanical manipulator View.
Fig. 4 is the structure chart of electric machine control system provided in an embodiment of the present invention.
Fig. 5 is the structure chart of interior operation shaft provided in an embodiment of the present invention.
Fig. 6 is the structure chart of shaft stopping lock provided in an embodiment of the present invention.
Fig. 7 is the structure chart of outer operation shaft provided in an embodiment of the present invention.
It illustrates:
The fixed switch 102, first of device retaining rail 100, pedestal 101, first buckles 103, fixed link 104, support rod 105, the fixed buckle of switch 107, second 108 of jacking block 106, second;
Motor operation mechanism 200, rotation axis 201, adapter 202, metal box 203, switch button 204, reset button 205, gear knob 206;
Outer operation shaft 2011 accommodates sliding slot 2012, shaft stopping lock 2013, operation portion 2014, stop portion 2015, interior behaviour Make shaft 2016, retaining sliding slot 2017;
Wireless communication module 10, start and stop module 11, positive and negative rotation module 12, induction module 13, motor 14, gear module 15, Battery module 16, reseting module 17.
Specific embodiment
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field Those of ordinary skill's all other embodiment obtained without making creative work, belongs to protection of the present invention Range.
It please refers to shown in Fig. 1 to Fig. 7, present embodiments provides a kind of portable 10kV multiple groups closing operation pullover and far control machinery Operating device, it includes two large divisions that this, which far controls mechanical device, respectively the device retaining rail 100 for being fixed on tap chamber door With the motor operation mechanism 200 being fixed in the device retaining rail 100.
Device retaining rail 100 is made of the double sided slider bar of adjustable in length, and device upper and lower side has and can be fixed on distribution box gate slot Interior fixed switch, fixing rear whole device can slide laterally in distribution box gate slot, when for operation multiple switch not Must being dismounted for multiple times, and entire assembling fixation procedure only needs 3 minutes, substantially increases the ease for use of device.
Specifically, device retaining rail 100 includes pedestal 101, it is vertically fixedly connected with fixed link 104 on the pedestal 101, It is arranged in the fixed link 104 and is fixedly installed with the first fixed switch 102.
The two sides of the fixed link 104 slidably connect support rod 105 respectively, and two support rods 105 are far from pedestal 101 one end is connected with jacking block 106 jointly.(do not show in figure specifically, the two sides of fixed link 104 are respectively arranged with a sliding rail Out), support rod 105 is slidably connected by sliding rail with fixed link 104, is limited between support rod 105 and fixed link 104 by bolt Sliding.
In use, the sliding distance between adjustment support rod 105 and fixed link 104, so as to adjust pedestal 101 and jacking block The distance between 106, so that pedestal 101 is against on the ground or above other supporters, jacking block 106 is resisted against distribution box Above upper flat plate.
The device retaining rail 100 is applicable to the distribution box of different height by adjustable double sided slider bar structure.
Further, the second fixed switch 107 is arranged with far from one end of pedestal 101 in support rod 105.
First fixed switch 102 and the second fixed switch 107 are respectively equipped with the first buckle 103 and the second buckle 108.Second For being fixed on the door inside groove on the top of distribution box between buckle 108 and jacking block 106, used between the first buckle 103 and pedestal 101 Door inside groove in the lower part for being fixed on distribution box.Optionally, it buckles as spring fixture block, is fixed in door by way of clamping At slot.
When tap box number is more, most of distribution box is arranged side by side.By switch fixed design, work as needs When operating an adjacent distribution box, it is only necessary to unclamp switch fixed buckle, then move whole device retaining rail 100 to phase Adjacent distribution box, then buckle is fastened.
Further, the second fixed the distance between switch 107 and jacking block 106 is adjustable, to be suitble in different doors Slot.Specifically, being equipped with dismountable screw on the second fixed switch 107, the second fixed switch 107 and top are adjusted by screw The distance between block 106.Similarly, distance is adjustable between the first fixed switch 102 and pedestal 101.
The core of motor operation mechanism 200 uses the motor 14 that power is 2900r/min for 60W, revolving speed, prevents rotation axis 201 revolving speeds are difficult to control very much fastly and destroy handle hole, will go to axis by speed changer and are adjusted to 6r/min;Motor 14 is using charging Formula 5000mAh lithium battery, it is fully charged about to operate 100 times.Entire motor operation mechanism 200 is by concave bolt clamping lock in mouth On word rail, the position in respective operations hole can be adjusted by moving up and down.
Specifically, the motor operation mechanism 200 includes battery module 16, what the outside of battery module 16 was docked by two Metal box 203 seals, it can be achieved that functions of waterproof and dustproof.Washer, metal box is arranged in the edge of two metal boxes 203 It is bolted between 203.
Further, there are switch button 204, reset button 205, gear knob 206 on 200 panel of motor operation mechanism. The effect of switch button 204 is for 14 startup power supply of motor.It needs to press reset key before starting by remote control control motor 14, Otherwise motor 14 can not act, and the design of reset button 205 is then maloperation in order to prevent.Gear knob 206 is to pass through difference Turn-to-turn coil is arranged 14 torque of motor and can choose different torques by gear knob 206 for different distribution box handle holes.
Therefore, the electric machine control system of the motor operation mechanism 200 include motor 14, battery module 16, start and stop module 11, Positive and negative rotation module 12, reseting module 17, gear module 15, wireless communication module 10 and remote controler.
Battery module 16 is used to power to motor 14, wireless communication module 10.Start and stop module 11 is for controlling motor 14 Starting stops.Positive and negative rotation module 12 is used to adjust the rotation direction of motor 14.Reseting module 17 is used for anti-misoperation, opens every time It must first be resetted after dynamic motor 14, then start next time before, motor 14 could be started.Gear module 15 is for adjusting motor 14 Torque.
Specifically, remote controler and wireless communication module 10 communicate to connect, opened through 11 wireless control motor 14 of start and stop module Stop, through 12 wireless control motor of positive and negative rotation module, 14 positive and negative rotation.
Specifically, the electric machine control system further includes induction module 13.What induction module 13 was subject to for induction machine 14 Resistance, when resistance is greater than the output torque of motor 14, motor 14 is automatically stopped.
Wherein, motor 14 be electrically connected in battery module 16, start and stop module 11, positive and negative rotation module 12, reseting module 17, Gear module 15.Start and stop module 11 and positive and negative rotation module 12 are connect with wireless communication module 10 respectively.
Further, the output end of motor 14 is connected with rotation axis 201.Control handle hole is removed by rotation axis 201, is driven Operate handle rotational action.
The design of rotation axis 201 is through entire motor operation mechanism 200 and can take out replacement according to the actual situation, certain The handle hole of a little distribution box producers needs operating handle to withstand ability rotatable after rebound spring, therefore in rotation axis 201 Stuck switch equipped with rotation axis 201, can according to the demand of different manufacturers carry out telescopic length with it is stuck.
Specifically, rotation axis 201 includes outer operation shaft 2011, interior operation shaft 2016 and shaft stopping lock 2013.Its In, retaining sliding slot 2017 is offered in interior operation shaft 2016, by adjusting shaft stopping lock 2013, adjusts interior operation shaft 2016 stroke relative to outer operation shaft 2011.In use, the output end of motor 14 is connected to outer operation shaft 2011, outside Operation shaft 2011 drives interior operation shaft 2016 to rotate by shaft stopping lock 2013.
Further, interior operation shaft 2016 is cylindrical, and the outer surface for operating shaft 2016 inside opens up retaining sliding slot 2017, one end of interior operation shaft 2016 is provided with adapter 202.Adapter 202 is used to connect replacement various specifications shape Connector, connector are used to be inserted directly into the handle hole of operation handle.
The inner hollow of outer operation shaft 2011, and the medial surface for operating shaft 2011 outside offers and retaining sliding slot The receiving sliding slot 2012 of 2017 cooperations.Shaft stopping lock 2013 is set to retaining sliding slot 2017 and accommodates between sliding slot 2012.Turn One end of axis stopping lock 2013 is provided with operation portion 2014, and stop portion 2015 is arranged in the other end of shaft stopping lock 2013.
When the overhang of interior operation shaft 2016 is zero, stop portion 2015 is interior close to one end of outer operation shaft 2011 It operates shaft 2016 to be stopped to the portion of moving back, so that one end of interior operation shaft 2016 and outer operation shaft 2011 flushes.
When interior operation shaft 2016 needs to stretch out a certain amount of, shaft stopping lock 2013 is along receiving sliding slot 2012 and retaining Sliding slot 2017 slides, then stop portion 2015 slides interior operation shaft 2016 far from outer operation shaft 2011, until interior operation One end of shaft 2016 is stopped by stop portion 2015 again.
Therefore, by outer operation shaft 2011, interior operation shaft 2016 and shaft stopping lock 2013, interior operation shaft is realized 2016 stroke is adjusted.
A kind of portable 10kV multiple groups closing operation pullover provided in this embodiment far controls mechanical manipulator, by will be portable Formula multiple groups trap head with far control mechanical device combine, can be solved perfectly cyclization cause personal safety, operating handle type it is more, The problems such as operating space is inadequate.This utility unit have the advantages that it is novel in design, easy to use, easy to carry, and can be effective Ground uses manpower and material resources sparingly and the time.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although referring to before Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features;And these It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.

Claims (6)

1. a kind of motor operation mechanism, which is characterized in that including motor, start and stop module, positive and negative rotation module, induction module, reset Module, wireless communication module and remote controler;
The start and stop module is used to control the starting of motor, stops, and the positive and negative rotation module is used to adjust the rotation direction of motor, The induction module is for detecting the drag size that the output end of motor is subject to;
Wherein, the motor is electrically connected in the start and stop module, positive and negative rotation module, induction module, reseting module;
The start and stop module and positive and negative rotation module are connected to wireless communication module, and the remote controler and wireless communication module are logical Letter connection.
2. a kind of motor operation mechanism according to claim 1, which is characterized in that the motor operation mechanism further includes electricity Pond module, the metal box sealing that the outside of the battery module passes through two docking.
3. a kind of motor operation mechanism according to claim 2, which is characterized in that the edge setting of two metal boxes Washer is bolted between metal box.
4. a kind of motor operation mechanism according to claim 3, which is characterized in that the motor operation mechanism further includes shelves Position module.
5. a kind of motor operation mechanism according to claim 4, which is characterized in that be provided in the motor operation mechanism Switch button, reset button and the gear knob of battery module, reseting module and gear module are controlled respectively.
6. a kind of motor operation mechanism according to claim 5, which is characterized in that be provided on the remote controler start and stop by Button, positive and negative rotation button.
CN201910537616.5A 2019-06-20 2019-06-20 A kind of motor operation mechanism Pending CN110212492A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910537616.5A CN110212492A (en) 2019-06-20 2019-06-20 A kind of motor operation mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910537616.5A CN110212492A (en) 2019-06-20 2019-06-20 A kind of motor operation mechanism

Publications (1)

Publication Number Publication Date
CN110212492A true CN110212492A (en) 2019-09-06

Family

ID=67793830

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910537616.5A Pending CN110212492A (en) 2019-06-20 2019-06-20 A kind of motor operation mechanism

Country Status (1)

Country Link
CN (1) CN110212492A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111562765A (en) * 2020-06-18 2020-08-21 广东电网有限责任公司 Remote control gear shifting device for voltage regulating switch of transformer

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3078959U (en) * 2001-01-16 2001-07-27 彬騰企業股▲分▼有限公司 Motor drive circuit for electric curtain
CN102055384A (en) * 2010-12-28 2011-05-11 上海力荣实业发展有限公司 Drive circuit and method for controlling motor positive and negative rotation of programmable single chip microcomputer
CN202679306U (en) * 2012-05-09 2013-01-16 博耳(无锡)电力成套有限公司 Device for controlling motor using frequency converter and PLC
CN104601059A (en) * 2015-01-16 2015-05-06 信阳师范学院 Direct-current motor controller and method
CN105298247A (en) * 2014-06-03 2016-02-03 姜堰市天华电工器材厂 Door electronic lock
CN206533596U (en) * 2017-03-06 2017-09-29 南京布奇信息技术有限公司 A kind of RF intelligent lamp light controllers
CN108428578A (en) * 2018-05-08 2018-08-21 成都智达电力自动控制有限公司 A kind of remote control actuator for trigger button switch
CN208589935U (en) * 2018-08-21 2019-03-08 广东好太太科技集团股份有限公司 A kind of direct current lifting motor constant speed regulation circuit and electric clothes airing machine being used in electric clothes airing machine
CN209786782U (en) * 2019-06-20 2019-12-13 广东电网有限责任公司 Motor operating mechanism

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3078959U (en) * 2001-01-16 2001-07-27 彬騰企業股▲分▼有限公司 Motor drive circuit for electric curtain
CN102055384A (en) * 2010-12-28 2011-05-11 上海力荣实业发展有限公司 Drive circuit and method for controlling motor positive and negative rotation of programmable single chip microcomputer
CN202679306U (en) * 2012-05-09 2013-01-16 博耳(无锡)电力成套有限公司 Device for controlling motor using frequency converter and PLC
CN105298247A (en) * 2014-06-03 2016-02-03 姜堰市天华电工器材厂 Door electronic lock
CN104601059A (en) * 2015-01-16 2015-05-06 信阳师范学院 Direct-current motor controller and method
CN206533596U (en) * 2017-03-06 2017-09-29 南京布奇信息技术有限公司 A kind of RF intelligent lamp light controllers
CN108428578A (en) * 2018-05-08 2018-08-21 成都智达电力自动控制有限公司 A kind of remote control actuator for trigger button switch
CN208589935U (en) * 2018-08-21 2019-03-08 广东好太太科技集团股份有限公司 A kind of direct current lifting motor constant speed regulation circuit and electric clothes airing machine being used in electric clothes airing machine
CN209786782U (en) * 2019-06-20 2019-12-13 广东电网有限责任公司 Motor operating mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111562765A (en) * 2020-06-18 2020-08-21 广东电网有限责任公司 Remote control gear shifting device for voltage regulating switch of transformer
CN111562765B (en) * 2020-06-18 2021-08-10 广东电网有限责任公司 Remote control gear shifting device for voltage regulating switch of transformer

Similar Documents

Publication Publication Date Title
CN106159738B (en) A kind of upward-acting door distribution box
CN110137835A (en) Portable 10kV multiple groups closing operation pullover far controls mechanical manipulator
CN110165561A (en) A kind of device retaining rail
CN110450669A (en) The charging pile of charge cable and charging gun can be hidden
CN110212492A (en) A kind of motor operation mechanism
CN209709516U (en) Rotating shaft
CN111725715A (en) Intelligence trades electric cabinet convenient to installation
CN110112667A (en) A kind of rotation axis
CN211236070U (en) Portable intelligent substation relay protection testing arrangement
CN214958018U (en) Middle and low voltage power switch cabinet
CN209608151U (en) A kind of indoor power supply case easy to disassemble
CN209786782U (en) Motor operating mechanism
CN210957502U (en) Integrated distribution box
CN113849044A (en) Locking device for left and right cover-opening type box cover
CN209786597U (en) portable 10kV multi-combination operation sleeve head remote control mechanical operation device
CN209766884U (en) Control cabinet for electromechanical engineering
CN208013576U (en) A kind of 2D and 3D automatic switching control equipments and cinematographic equipment
CN112201527A (en) Electromagnetic adsorption type electric load switch remote control operation device and operation method
CN217159019U (en) Novel MNS low pressure pull-out type is opened cabinet
CN221102732U (en) Waterproof device for power distribution cabinet
CN216743066U (en) Auxiliary tool for opening and closing valve and ash discharging valve assembly
CN219221783U (en) Safety monitoring device for extra-high voltage alternating current transformer substation
CN208835540U (en) A kind of lighting distribution box that stability is high
CN217022330U (en) Electric power logistics support car
CN215735190U (en) Communication equipment installation box convenient to adjust solar cell panel angle

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