CN115338820A - Electric wrench for insulating rod, control method and electronic equipment - Google Patents
Electric wrench for insulating rod, control method and electronic equipment Download PDFInfo
- Publication number
- CN115338820A CN115338820A CN202211109924.6A CN202211109924A CN115338820A CN 115338820 A CN115338820 A CN 115338820A CN 202211109924 A CN202211109924 A CN 202211109924A CN 115338820 A CN115338820 A CN 115338820A
- Authority
- CN
- China
- Prior art keywords
- insulating rod
- electric
- control circuit
- terminal
- circuit board
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 32
- 238000004891 communication Methods 0.000 claims description 18
- 238000009413 insulation Methods 0.000 claims description 17
- 238000004590 computer program Methods 0.000 claims description 6
- 239000012212 insulator Substances 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000008439 repair process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/147—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention belongs to the technical field of wrenches and discloses an electric wrench for an insulating rod, a control method and electronic equipment; the device comprises an insulating rod, a control terminal and an electric torque module; one end of the insulating rod is connected with the electric torque module, and the other end of the insulating rod is connected with the connection control terminal; the control terminal is wirelessly connected with the electric torque module; according to the invention, the control terminal is wirelessly connected with the electric torque module, so that the operation and maintenance personnel can effectively control the electric wrench remotely, and the risk that the operator touches high voltage is avoided; meanwhile, torque data of the electric wrench are transmitted to a display screen of the control terminal in a wireless mode, so that an operator can conveniently check the torque data; the control terminal can record historical data of the torque wrench, so that historical operation can be conveniently reviewed; the electric wrench has high work efficiency, small counter torque and low energy consumption, different specific electric shackles are realized by the insulating rod and wireless control, the working difficulty of operation and maintenance personnel is effectively reduced, and quick mounting or shackles are realized.
Description
Technical Field
The invention belongs to the technical field of wrenches, and particularly relates to an electric wrench for an insulating rod, a control method and electronic equipment.
Background
The maintenance and repair of transmission lines and transformers is extremely important in power routing inspection, any error in the maintenance and repair process can cause serious accidents, and workers are often required to fasten nuts on equipment and lines in the maintenance and repair process. Because this type of equipment is generally in higher position, so under the inconvenient scene of climbing, the staff can fix the spanner on elongated insulating rod for thereby the overhead nut is conveniently fastened to the extension spanner handle. However, in this operation, the worker needs to pull the wrench back and forth at high altitude, which is difficult to apply force and has certain potential safety hazard.
The electric wrench is a tool which is commonly used for assembling at present, but the electric wrench is mainly used for close-distance handheld operation and is not suitable for high-altitude occasions needing lengthened handles.
The main reasons are: 1. the spanner and the insulating rod are not easy to fix and difficult to apply force. 2. The design of the handle is not favorable for the prolonged connection of the insulating rod. 3. The torque parameter display is not carried out, and after the insulating rod is lengthened, a user cannot perceive the tightness of the nut, so that the screw thread is easy to slip due to insufficient or over-tight fastening of the nut.
Disclosure of Invention
The invention aims to provide an electric wrench, a control method and electronic equipment for an insulating rod.
In order to achieve the above object, in one aspect, the present invention provides an electric wrench for an insulation rod, including an insulation rod, a control terminal, and an electric torque module; one end of the insulating rod is connected with the electric torque module, and the other end of the insulating rod is connected with the connection control terminal; the control terminal is in wireless connection with the electric torque module;
the electric torque module comprises a battery, a direct current motor, a boosting gearbox, a wireless transmission module, a control circuit board and an insulating rod connector; the front end of the direct current motor is provided with a stress application gearbox, and the rear end of the direct current motor is connected with a battery; the output end of the stress application gearbox is provided with a sleeve; the front end of the sleeve is provided with a groove matched with the nut; the wireless transmission module is electrically connected with the control circuit board; the battery is respectively and electrically connected with the direct current motor, the wireless transmission module and the control circuit board.
As a further technical improvement, the control terminal comprises a terminal control circuit board, a wireless communication module, a motor forward and reverse rotation switch, a motor start-stop switch and an antenna; the top of the terminal control circuit board is provided with a display screen, and the bottom of the terminal control circuit board is provided with a terminal battery; a motor forward and reverse rotation switch and a motor start-stop switch are respectively arranged at the bottom of the terminal battery; the terminal control circuit board is electrically connected with the wireless communication module, the motor forward and reverse rotation switch and the motor start-stop switch respectively; the terminal battery is respectively and electrically connected with the terminal control circuit board, the wireless communication module, the motor forward and reverse rotation switch and the motor start-stop switch, and the antenna is electrically connected with the wireless communication module.
As a further technical improvement, a shell is arranged on the outer side of the direct current motor; the shell respectively wraps the direct current motor and the battery; the bottom of the shell is provided with an insulating rod connector; one end of the insulating rod connector is movably connected with the shell, one end of the insulating rod connector is connected with the shell through a bolt, and the other end of the insulating rod connector is movably connected with the insulating rod; the middle part of insulator spindle connector is equipped with the holding tank that is used for holding wireless transmission module and control circuit board, wireless transmission module and control circuit board set up in the holding tank. The insulating rod connector can be connected with the shell in a mode of adopting threads and spring buckles, and is simple to disassemble and firm to connect.
As a further technical improvement, a control box is arranged outside the control terminal, the top of the control box is provided with an opening, the opening is provided with an upper cover, and the upper cover is provided with a through groove matched with the display screen; the antenna is arranged on one side of the control box; the control box is connected with the upper cover through a bolt.
As a further technical improvement, one side of the upper cover is provided with a bulge for positioning and installation, and one side of the control box is provided with a clamping groove matched with the bulge.
As a further technical improvement, the insulating rod is movably connected with one side of the control box. One side of control box is equipped with the buckle, realizes and insulator spindle swing joint, makes things convenient for the staff to change the position of control box.
As a further technical improvement, the boosting gearbox is connected with the sleeve through a 1/2 type square head.
As a further technical improvement, the wireless transmission module is a Bluetooth communication module.
As a further technical improvement, the control circuit board comprises an MCU, a resistor R1, a resistor R2, a resistor R3, a rectifier U1 and an H bridge drive board; the R1 and the R2 are voltage division sampling resistors used for measuring the voltage of the battery; the R3 is a current sampling resistor used for acquiring current data of the main loop; the MCU is used for receiving the data received by the wireless transmission module, and the MCU controls the positive and negative rotation of the H-bridge driving module and the duty ratio of PWM (pulse width modulation) to enable the driving plate to drive the positive and negative rotation and the rotating speed of the direct current motor.
In another aspect, the present invention provides a method for controlling a control circuit of an electric wrench for an insulation rod, comprising the steps of: the control terminal sends a forward and reverse rotation command and a rotating speed command to the wireless transmission module through the wireless communication module, the wireless transmission module receives data and transmits the data to the MCU, and the MCU controls the forward and reverse rotation of the H-bridge driving module and the duty ratio of PWM to enable the driving plate to drive the forward and reverse rotation and the rotating speed of the direct current motor; the voltage data are converted into battery electric quantity data through the MCU, the current data are converted into torque data through the MCU, and the torque data are transmitted to the control terminal through the wireless transmission module to be checked by a user.
The present invention also provides an electronic device, comprising: a memory for storing a computer program; and the processor is used for realizing the steps of the control method of the electric wrench control circuit for the insulation rod when executing the computer program.
Compared with the prior art, the invention has the following beneficial technical effects:
1. according to the invention, the control terminal is wirelessly connected with the electric torque module, so that the remote control of the electric wrench by operation and maintenance personnel is effectively realized, and the risk that the operator touches high voltage is avoided; meanwhile, torque data of the electric wrench are transmitted to a display screen of the control terminal in a wireless mode, so that an operator can conveniently check the torque data; the control terminal can record historical data of the torque wrench, and historical operation can be conveniently reviewed.
2. The electric wrench has the advantages that the work efficiency is high, the counter torque is small, the energy consumption is low, different specific electric shackles are realized through the insulating rods and the wireless control, the work difficulty of operation and maintenance personnel is effectively reduced, the quick installation or shackles are realized, the insulating rods and the electric torque modules are connected in a bolt mode, the dismounting is simple, the connection is firm, and the insulating rods with different lengths are easy to replace.
Drawings
In order to illustrate the embodiments of the invention more clearly, reference will now be made to the appended drawings, which are needed for an embodiment of the invention and from which it will be apparent that only some embodiments of the invention are shown and that other drawings may be derived by those skilled in the art without the inventive faculty.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of an electric torque module.
Fig. 3 is a schematic structural diagram of the control terminal.
Fig. 4 is a circuit block diagram of the control circuit board.
The attached drawings are as follows:
1-an electric torque module, 2-an insulating rod, 3-a control terminal, 11-a direct current motor, 12-a force application gearbox, 13-a battery, 14-a wireless transmission module, 15-a control circuit board, 16-an insulating rod connector, 17-a sleeve, 21-a terminal control circuit board, 22-a terminal battery, 23-a motor forward and reverse rotation switch, 24-a motor start-stop switch, 25-an antenna, 26-an upper cover, 27-a mounting bolt of the terminal control circuit board, 28-a fixing screw of the upper cover, 31-an MCU and 32-an H bridge driving board.
Detailed Description
The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be carried into practice or applied to various other specific embodiments, and various modifications and changes may be made in the details within the description and the drawings without departing from the spirit of the disclosure. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without inventive step, are intended to be within the scope of the present disclosure.
Examples
As shown in fig. 1 to 4, in one aspect, the present embodiment provides an electric wrench for an insulation rod, including an insulation rod, a control terminal, and an electric torque module; one end of the insulating rod is connected with the electric torque module, and the other end of the insulating rod is connected with the connection control terminal; the control terminal is wirelessly connected with the electric torque module;
the electric torque module comprises a battery, a direct current motor, a boosting gearbox, a wireless transmission module, a control circuit board and an insulating rod connector; the front end of the direct current motor is provided with a stress application gearbox, and the rear end of the direct current motor is connected with a battery; the output end of the stress application gearbox is provided with a sleeve; the front end of the sleeve is provided with a groove matched with the nut; the wireless transmission module is electrically connected with the control circuit board; the battery is respectively and electrically connected with the direct current motor, the wireless transmission module and the control circuit board.
The battery used was a 12V 2AH lithium battery.
The embodiment can provide quantitative operation for fastening the high-altitude bolt and improve bolt fastening and dismounting efficiency.
The control terminal comprises a terminal control circuit board, a wireless communication module, a motor forward and reverse rotation switch, a motor start-stop switch and an antenna; the top of the terminal control circuit board is provided with a display screen, and the bottom of the terminal control circuit board is provided with a terminal battery; a motor forward and reverse rotation switch and a motor start-stop switch are respectively arranged at the bottom of the terminal battery; the terminal control circuit board is electrically connected with the wireless communication module, the motor forward and reverse rotation switch and the motor start-stop switch respectively; the terminal battery is respectively and electrically connected with the terminal control circuit board, the wireless communication module, the motor forward and reverse rotation switch and the motor start-stop switch, and the antenna is electrically connected with the wireless communication module.
A shell is arranged on the outer side of the direct current motor; the shell respectively wraps the direct current motor and the battery; the bottom of the shell is provided with an insulating rod connector; one end of the insulating rod connector is movably connected with the shell, one end of the insulating rod connector is connected with the shell through a bolt, and the other end of the insulating rod connector is movably connected with the insulating rod; the middle part of insulator spindle connector is equipped with the holding tank that is used for holding wireless transmission module and control circuit board, wireless transmission module and control circuit board set up in the holding tank. The insulating rod connector can be connected with the shell in a mode of adopting threads and spring buckles, and is simple to disassemble and firm in connection.
A control box is arranged outside the control terminal, the top of the control box is provided with an opening, the opening is provided with an upper cover, and the upper cover is provided with a through groove matched with the display screen; the antenna is arranged on one side of the control box; the control box is connected with the upper cover through a bolt.
One side of upper cover is equipped with the arch that is used for the location installation, one side of control box is equipped with the draw-in groove with protruding assorted.
The insulating rod is movably connected with one side of the control box. One side of control box is equipped with the buckle, realizes and insulator spindle swing joint, makes things convenient for the staff to change the position of control box.
It should be noted that, the insulating rod may be a collar rod.
The boosting gearbox is connected with the sleeve through a 1/2 type square head.
The wireless transmission module is a Bluetooth communication module.
The control circuit board comprises an MCU, a resistor R1, a resistor R2, a resistor R3, a rectifier U1 and an H bridge driving board; the R1 and the R2 are voltage division sampling resistors used for measuring the voltage of the battery; the R3 is a current sampling resistor used for acquiring current data of the main loop; the MCU is used for receiving the data received by the wireless transmission module, and the MCU controls the forward and reverse rotation of the H-bridge driving module and the duty ratio of PWM (pulse-width modulation) to enable the driving board to drive the forward and reverse rotation and the rotating speed of the direct current motor.
In another aspect, the present embodiment provides a control method for a control circuit of an electric wrench for an insulation rod, including the following steps: the control terminal sends a forward and reverse rotation command and a rotating speed command to the wireless transmission module through the wireless communication module, the wireless transmission module receives data and transmits the data to the MCU, and the MCU controls the forward and reverse rotation of the H-bridge driving module and the duty ratio of PWM to enable the driving plate to drive the forward and reverse rotation and the rotating speed of the direct current motor; the voltage data are converted into battery electric quantity data through the MCU, the current data are converted into torque data through the MCU, and the torque data are transmitted to the control terminal through the wireless transmission module to be checked by a user.
It should be noted that the motor start-stop switch and the motor forward-reverse switch on the control terminal can remotely control the rotation direction and the rotation speed of the motor on the electric torque module.
The present embodiment also provides an electronic device, including: a memory for storing a computer program;
a processor for implementing the steps of the control method of the electric wrench control circuit for an insulation bar when the computer program is executed.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
Claims (10)
1. The utility model provides an electric wrench for insulator spindle which characterized in that: the device comprises an insulating rod, a control terminal and an electric torque module; one end of the insulating rod is connected with the electric torque module, and the other end of the insulating rod is connected with the connection control terminal; the control terminal is in wireless connection with the electric torque module;
the electric torque module comprises a battery, a direct current motor, a stress application gearbox, a wireless transmission module, a control circuit board and an insulating rod connector; the front end of the direct current motor is provided with a stress application gearbox, and the rear end of the direct current motor is connected with a battery; the output end of the stress application gearbox is provided with a sleeve; the front end of the sleeve is provided with a groove matched with the nut; the wireless transmission module is electrically connected with the control circuit board; the battery is respectively and electrically connected with the direct current motor, the wireless transmission module and the control circuit board.
2. The electric wrench for an insulation rod of claim 1, wherein: the control terminal comprises a terminal control circuit board, a wireless communication module, a motor forward and reverse rotation switch, a motor start-stop switch and an antenna; the top of the terminal control circuit board is provided with a display screen, and the bottom of the terminal control circuit board is provided with a terminal battery; a motor forward and reverse rotation switch and a motor start-stop switch are respectively arranged at the bottom of the terminal battery; the terminal control circuit board is electrically connected with the wireless communication module, the motor forward and reverse rotation switch and the motor start-stop switch respectively; the terminal battery is respectively and electrically connected with the terminal control circuit board, the wireless communication module, the motor forward and reverse rotation switch and the motor start-stop switch, and the antenna is electrically connected with the wireless communication module.
3. The electric wrench for an insulation bar of claim 1, wherein: a shell is arranged on the outer side of the direct current motor; the direct current motor and the battery are respectively wrapped by the shell; the bottom of the shell is provided with an insulating rod connector; one end of the insulating rod connector is movably connected with the shell (one end of the insulating rod connector is connected with the shell through a bolt), and the other end of the insulating rod connector is movably connected with the insulating rod; the middle part of insulator spindle connector is equipped with the holding tank that is used for holding wireless transmission module and control circuit board, wireless transmission module and control circuit board set up in the holding tank.
4. The electric wrench for an insulation rod of claim 1, wherein: a control box is arranged outside the control terminal, the top of the control box is provided with an opening, the opening is provided with an upper cover, and the upper cover is provided with a through groove matched with the display screen; the antenna is arranged on one side of the control box; the control box is connected with the upper cover through a bolt.
5. The electric wrench for an insulation rod of claim 4, wherein: one side of upper cover is equipped with the arch that is used for the location installation, one side of control box is equipped with the draw-in groove with protruding assorted.
6. The electric wrench for an insulation rod of claim 4, wherein: the insulating rod is movably connected with one side of the control box.
7. The electric wrench for an insulation bar of claim 1, wherein: the wireless transmission module is a Bluetooth communication module.
8. The electric wrench for an insulation bar of claim 1, wherein: the control circuit board comprises an MCU, a resistor R1, a resistor R2, a resistor R3, a rectifier U1 and an H bridge driving board; the R1 and the R2 are voltage division sampling resistors used for measuring the voltage of the battery; the R3 is a current sampling resistor used for acquiring current data of the main loop; the MCU is used for receiving the data received by the wireless transmission module, and the MCU controls the positive and negative rotation of the H-bridge driving module and the duty ratio of PWM (pulse width modulation) to enable the driving plate to drive the positive and negative rotation and the rotating speed of the direct current motor.
9. A control method of an electric wrench control circuit for an insulation rod is characterized by comprising the following steps: the control terminal sends a forward and reverse rotation command and a rotating speed command to the wireless transmission module through the wireless communication module, the wireless transmission module receives data and transmits the data to the MCU, and the MCU controls the forward and reverse rotation of the H-bridge driving module and the duty ratio of PWM to enable the driving plate to drive the forward and reverse rotation and the rotating speed of the direct current motor; the voltage data are converted into battery electric quantity data through the MCU, the current data are converted into torque data through the MCU, and the torque data are transmitted to the control terminal through the wireless transmission module to be checked by a user.
10. An electronic device, comprising: a memory for storing a computer program;
a processor for implementing the steps of the method for controlling an electric wrench control circuit for an insulation bar according to claim 9 when executing said computer program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211109924.6A CN115338820A (en) | 2022-09-13 | 2022-09-13 | Electric wrench for insulating rod, control method and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211109924.6A CN115338820A (en) | 2022-09-13 | 2022-09-13 | Electric wrench for insulating rod, control method and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115338820A true CN115338820A (en) | 2022-11-15 |
Family
ID=83955360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211109924.6A Pending CN115338820A (en) | 2022-09-13 | 2022-09-13 | Electric wrench for insulating rod, control method and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115338820A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107571184A (en) * | 2017-10-13 | 2018-01-12 | 国网浙江省电力公司岱山县供电公司 | The remote-controlled power transmission and transformation electrification in high voltage bolt tightener that torsion is set |
| US20190299375A1 (en) * | 2016-06-13 | 2019-10-03 | Scs Concept S.R.L. | System and method for managing data-exchange torque wrenches |
| CN210255911U (en) * | 2019-05-08 | 2020-04-07 | 国网河南省电力公司电力科学研究院 | Electric torque wrench for tower bolt |
| US20200290182A1 (en) * | 2016-03-02 | 2020-09-17 | HYTORC Division Unex Corporation | Apparatus for tightening threaded fasteners |
| CN113967885A (en) * | 2021-11-11 | 2022-01-25 | 广西电网有限责任公司来宾供电局 | Detachable torque display insulating ratchet wrench and using method thereof |
-
2022
- 2022-09-13 CN CN202211109924.6A patent/CN115338820A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200290182A1 (en) * | 2016-03-02 | 2020-09-17 | HYTORC Division Unex Corporation | Apparatus for tightening threaded fasteners |
| US20190299375A1 (en) * | 2016-06-13 | 2019-10-03 | Scs Concept S.R.L. | System and method for managing data-exchange torque wrenches |
| CN107571184A (en) * | 2017-10-13 | 2018-01-12 | 国网浙江省电力公司岱山县供电公司 | The remote-controlled power transmission and transformation electrification in high voltage bolt tightener that torsion is set |
| CN210255911U (en) * | 2019-05-08 | 2020-04-07 | 国网河南省电力公司电力科学研究院 | Electric torque wrench for tower bolt |
| CN113967885A (en) * | 2021-11-11 | 2022-01-25 | 广西电网有限责任公司来宾供电局 | Detachable torque display insulating ratchet wrench and using method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20210175551A1 (en) | Electric energy storage device, power tool system and charging system | |
| CN204308952U (en) | The control device of a kind of robot digital rudder controller | |
| CN203850903U (en) | Full-automatic intelligent charging machine for batteries of multiple types | |
| CN211053558U (en) | Mounting tool for automobile hardware | |
| CN115338820A (en) | Electric wrench for insulating rod, control method and electronic equipment | |
| CN103825213A (en) | Remote control intelligent bolt fastening device and method for same | |
| CN102825570B (en) | Vertical double-electric-torque wrench | |
| CN219477447U (en) | Device for long-distance dismounting of drainage plate of transmission cable terminal rod | |
| CN203293092U (en) | Electric wrench of charging type numerical control torque | |
| CN107720581B (en) | Hand wheel and lever block and hoist device using same | |
| CN108263226B (en) | Car charging system and electric automobile | |
| CN211681804U (en) | Automatic fastening equipment of bolt and nut with adjustable specification | |
| CN203636345U (en) | Wheel hub bearing locknut tightening machine | |
| CN209986873U (en) | Special electric sleeve for high-voltage live working robot and control system | |
| CN209774494U (en) | Wireless remote control insulation electric wrench | |
| CN208178495U (en) | A kind of Furniture panel connector mounting device | |
| JP3110344U (en) | Electric spanner | |
| CN203141394U (en) | Vertical double-power-supply torque wrench | |
| CN105826866A (en) | Insulator nut hot-line work fastening rod | |
| CN207578276U (en) | The power transmission and transformation electrification in high voltage bolt tightener of remote-controlled setting torsion | |
| CN210633565U (en) | Bolt fastening device based on wireless control | |
| CN2905335Y (en) | Portable electric screwdriver | |
| CN211493946U (en) | New energy automobile pencil fastener | |
| CN106972585B (en) | Automatic continuous charging conversion device and system for multiple storage batteries | |
| CN215968486U (en) | Wireless electric wrench |
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 |