CN111029878B - Motor carbon brush spring nesting device - Google Patents
Motor carbon brush spring nesting device Download PDFInfo
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- CN111029878B CN111029878B CN202010004711.1A CN202010004711A CN111029878B CN 111029878 B CN111029878 B CN 111029878B CN 202010004711 A CN202010004711 A CN 202010004711A CN 111029878 B CN111029878 B CN 111029878B
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- splint
- clamping plate
- carbon brush
- spring
- pawl
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/12—Manufacture of brushes
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- Motor Or Generator Current Collectors (AREA)
Abstract
The invention relates to a spring inserting device, in particular to a motor carbon brush spring inserting device. The technical problem to be solved is how to provide a motor carbon brush spring nesting device capable of reducing the working difficulty. A motor carbon brush spring nesting device comprises a first clamping plate, a second clamping plate, a first elastic sheet and the like; the first clamping plate is rotatably connected with a second clamping plate, and a first elastic sheet is connected between the first clamping plate and the second clamping plate. According to the invention, the wire on the carbon brush can be pulled out through the wire pulling mechanism, and the spring on the carbon brush can be pressed by the wire pulling mechanism, so that the spring on the carbon brush is not required to be pressed manually by people, the working difficulty can be further reduced, the first clamping plate and the second clamping plate can be clamped through the locking mechanism, and the first clamping plate and the second clamping plate are prevented from loosening.
Description
Technical Field
The invention relates to a spring inserting device, in particular to a motor carbon brush spring inserting device.
Background
The carbon brush is a sliding contact element and is widely applied to electrical equipment, the carbon brush is a device for transmitting signals between a fixed part and a rotating part of a motor or other rotating machinery, and in the process of manufacturing the carbon brush, a spring is required to be sleeved on a conducting wire on the carbon brush, and then the conducting wire on the carbon brush is connected with a copper sheet.
At present, a spring is generally sleeved on a lead of a carbon brush manually, then the lead of the carbon brush is connected with a copper sheet, and as the spring of the carbon brush needs to be in a compressed state, one hand is needed to compress the spring of the carbon brush, so that the lead of the carbon brush and the copper sheet are connected by one hand very difficultly, and the operation is very inconvenient.
How to design a device capable of reducing the working difficulty becomes a problem to be solved at present.
Disclosure of Invention
In order to overcome the defects that the lead and the copper sheet on the carbon brush are difficult to connect by one hand and the operation is very inconvenient, the technical problem to be solved is as follows: the motor carbon brush spring nesting device can reduce the working difficulty.
The technical scheme of the invention is as follows: a spring nesting device for a motor carbon brush comprises a first clamping plate, a second clamping plate, a first elastic sheet and a wire pulling mechanism, wherein the second clamping plate is connected to the first clamping plate in a rotating mode, the first elastic sheet is connected between the first clamping plate and the second clamping plate, the wire pulling mechanism is arranged on the second clamping plate, and a wire on the carbon brush is pulled out by the wire pulling mechanism.
In a preferred embodiment of the present invention, the device further comprises a control module, a pull-out button and a reset button, wherein the pull-out button and the reset button are arranged on one side of the second clamping plate.
In a preferred embodiment of the invention, the wire pulling mechanism comprises a servo motor, a first contact switch, a friction roller and a rotating rod, wherein the servo motor is installed on one side of the second clamping plate, the rotating rod is connected to an output shaft of the servo motor, the first contact switch is arranged on one side, perpendicular to the servo motor, of the second clamping plate, the first contact switch is in contact with the first clamping plate, the friction roller is rotatably connected to each of the first clamping plate and the second clamping plate, the rotating rod is connected with one of the friction rollers, a positioning groove is formed in one side, facing the second clamping plate, of the first clamping plate, and a positioning groove is formed in one side, facing the first clamping plate, of the second clamping plate.
In a preferred embodiment of the present invention, the locking mechanism further comprises a first ratchet, a first pawl, a rocker and a second elastic sheet, the first ratchet is fixedly connected to the first clamping plate, the first pawl is rotatably connected to the second clamping plate, the first pawl is matched with the first ratchet, the rocker is connected to the first pawl, and the second elastic sheet is connected between the rocker and the second clamping plate.
In a preferred embodiment of the invention, the unlocking mechanism further comprises a second ratchet wheel, a hollow reel, a second pawl, a third elastic sheet, a pull rope, a wire conduit and a first spring, the second ratchet wheel is installed on the rotating rod, the hollow reel is rotatably installed on the second clamping plate, the hollow reel is located between the friction roller and the servo motor, the second pawl is rotatably connected in the hollow reel, the third elastic sheet is connected between the second pawl and the hollow reel, the pull rope is wound on the hollow reel, the first spring is connected between the pull rope and the rocker, the wire conduit is connected to one side, far away from the first contact switch, of the second clamping plate, and the pull rope penetrates through the wire conduit.
In a preferred embodiment of the invention, the device further comprises a limiting mechanism, the limiting mechanism comprises a sliding rod, a sliding sleeve, a second spring, a baffle and a second contact switch, the other side of the second clamping plate is fixedly connected with at least two sliding rods for guiding, the sliding sleeve is arranged on each sliding rod in a sliding manner, the second spring is connected between the sliding sleeve and the second clamping plate, the second spring is wound on the sliding rods, the baffle is connected between the sliding sleeves at two sides, and the second contact switch is arranged on the baffle.
In a preferred embodiment of the invention, the device further comprises a control box, one side of the first clamping plate is fixedly connected with the control box, the control module is arranged in the control box, the control box is also internally provided with a switching power supply and a power supply module, the switching power supply supplies power to the device, the switching power supply is connected with the power supply module through a circuit, the power supply module is connected with the control module through a circuit, the power supply module is connected with a power main switch through a circuit, the control module is connected with a DS1302 circuit and a 24C02 circuit, the 24C02 circuit is used for storing parameters, the DS1302 circuit can provide a time reference, the pull-out key, the reset key, the first contact switch and the second contact switch are electrically connected with the control module, and the servo motor is connected with the control module through a peripheral.
The beneficial effects are that:
1, the wire on the carbon brush can be pulled out through the wire pulling mechanism, and the spring on the carbon brush can be pressed by the wire pulling mechanism, so that the spring on the carbon brush does not need to be manually pressed, and the working difficulty can be reduced.
2. The first clamping plate and the second clamping plate can be clamped through the locking mechanism, and the first clamping plate and the second clamping plate are prevented from loosening.
3. The unlocking mechanism can replace manual operation, and is convenient and time-saving.
4. The limiting mechanism can prevent the wire on the carbon brush from being too long to be pulled.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is an enlarged schematic view of part a of the present invention.
Fig. 3 is an enlarged schematic view of part B of the present invention.
Fig. 4 is an enlarged schematic view of the part C of the present invention.
Fig. 5 is a partial bottom view of the present invention.
Fig. 6 is a partial left-view structural diagram of the present invention.
Fig. 7 is a partial schematic front view of the present invention.
Fig. 8 is a circuit block diagram of the present invention.
Fig. 9 is a schematic circuit diagram of the present invention.
Wherein the figures include the following reference numerals: 1: first splint, 2: second splint, 3: first shell fragment, 4: control box, 5: pull-out button, 6: reset button, 7: wire pulling mechanism, 71: servo motor, 72: first contact switch, 73: rubbing roller, 74: rotating rod, 75: a positioning groove, 8: locking mechanism, 81: first ratchet, 82: first pawl, 83: rocker, 84: second shell fragment, 9: unlocking mechanism, 91: second ratchet, 92: air-cored reel, 93: second pawl, 94: third shell fragment, 95: pull cord, 96: conduit, 97: first spring, 10: stop gear, 101: slide bar, 102: a sliding sleeve, 103: second spring, 104: baffle, 105: a second contact switch.
Detailed Description
The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which presently preferred embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for completeness and fully convey the scope of the invention to the skilled person.
First embodiment
A spring inserting device for a motor carbon brush is shown in figures 1 and 3 and comprises a first clamping plate 1, a second clamping plate 2, a first elastic sheet 3 and a wire pulling mechanism 7, wherein the front side of the first clamping plate 1 is rotatably connected with the second clamping plate 2, the first elastic sheet 3 is connected between the first clamping plate 1 and the second clamping plate 2, the wire pulling mechanism 7 is arranged on the second clamping plate 2, and the wire pulling mechanism 7 is used for pulling out a wire on a carbon brush.
The clamp also comprises a control module, a pull-out key 5 and a reset key 6, wherein the pull-out key 5 and the reset key 6 are arranged on one side of the second clamping plate 2.
The power supply main switch is pressed down, the device is powered on, then the spring is sleeved on the wire on the carbon brush, the first clamping plate 1 and the second clamping plate 2 are pulled outwards, the first clamping plate 1 and the second clamping plate 2 are opened outwards, the first elastic sheet 3 is elongated, the wire on the carbon brush is placed between the first clamping plate 1 and the second clamping plate 2, then the first clamping plate 1 and the second clamping plate 2 are loosened, the first clamping plate 1 and the second clamping plate 2 are closed inwards under the action of the first elastic sheet 3 to clamp the wire on the carbon brush, at the moment, the wire drawing mechanism 7 also clamps the wire on the carbon brush, the drawing button 5 can be pressed, the drawing button 5 sends a signal, the control module controls the wire drawing mechanism 7 to work after receiving the signal, the wire drawing mechanism 7 can draw the wire on the carbon brush, and the spring on the carbon brush is compressed. After the wire on the carbon brush is pulled out for a proper length, the pull-out button 5 is loosened, the pull-out button 5 sends a signal, the control module receives the signal and controls the wire pulling mechanism 7 to stop working, then the copper sheet is connected with the wire on the carbon brush, and the wire pulling mechanism 7 clamps the wire on the carbon brush, so that the spring on the carbon brush is pressed by the wire pulling mechanism 7, the spring on the carbon brush does not need to be manually pressed, and the working difficulty can be reduced. After the connection is completed, the reset key 6 is pressed, the reset key 6 sends a signal, the control module receives the signal and then controls the wire pulling mechanism 7 to work, and the wire pulling mechanism 7 withdraws the wire on the carbon brush. After the device is withdrawn, the reset key 6 is loosened, the reset key 6 sends a signal, the control module receives the signal and controls the wire pulling mechanism 7 to stop working, and then the power supply main switch is pressed again to electrify the device.
The wire drawing mechanism 7 comprises a servo motor 71, a first contact switch 72, a friction roller 73 and a rotating rod 74, the servo motor 71 is installed on the lower portion of the front side of the second clamping plate 2, the rotating rod 74 is connected to an output shaft of the servo motor 71, the first contact switch 72 is arranged on the left side of the second clamping plate 2, the first contact switch 72 is in contact with the first clamping plate 1, the friction roller 73 is connected to the lower portions of the front side of the first clamping plate 1 and the front side of the second clamping plate 2 in an equal rotating mode, the rotating rod 74 is connected with the friction roller 73 on the right side of the rotating rod 74, a positioning groove 75 is formed in the right side of the first clamping plate 1, and.
When the first clamping plate 1 and the second clamping plate 2 are closed inwards to clamp the wire on the carbon brush, the friction roller 73 clamps the wire on the carbon brush, the wire on the carbon brush is located in the positioning groove 75, if the first clamping plate 1 touches the first contact switch 72, the servo motor 71 can be started, if the first clamping plate 1 does not touch the first contact switch 72, the servo motor 71 cannot be started, so that the condition that the first clamping plate 1 and the second clamping plate 2 clamp the wire on the carbon brush is ensured, the pull-out button 5 is pressed, the pull-out button 5 sends out a signal, the control module controls the servo motor 71 to rotate clockwise after receiving the signal, the servo motor 71 drives the rotating rod 74 to rotate clockwise, the friction roller 73 on the right side is driven to rotate clockwise, the wire on the carbon brush is pulled out through the matching of the friction roller 73 on the left side, and the spring on the carbon brush is compressed. After the wire on the carbon brush is pulled out for a proper length, the pull-out key 5 is loosened, the pull-out key 5 sends a signal, the control module receives the signal and then controls the servo motor 71 to stop rotating clockwise, then the copper sheet and the wire on the carbon brush are connected, after the connection is finished, the reset key 6 is pressed, the reset key 6 sends a signal, the control module receives the signal and then controls the servo motor 71 to rotate anticlockwise, the servo motor 71 drives the rotating rod 74 to rotate anticlockwise, so that the right friction roller 73 rotates anticlockwise, the wire on the carbon brush is retracted through the matching of the left friction roller 73. After the signals are received, the control module controls the servo motor 71 to stop rotating anticlockwise after the signals are received by the control module.
Second embodiment
On the basis of the first embodiment, as shown in fig. 1, 2, 4, 5, 6, 7, 8 and 9, the locking device 8 further comprises a locking mechanism 8, wherein the locking mechanism 8 comprises a first ratchet 81, a first pawl 82, a rocker 83 and a second elastic sheet 84, the first ratchet 81 is fixedly connected to the front side of the first splint 1, the first ratchet 81 is located at the front side of the second splint 2, the first pawl 82 is rotatably connected to the middle part of the front side of the second splint 2, the first pawl 82 is matched with the first ratchet 81, the rocker 83 is connected to the first pawl 82, and the second elastic sheet 84 is connected between the rocker 83 and the second splint 2.
The rocker 83 is pulled downwards, the rocker 83 drives the first pawl 82 to swing downwards, so that the first pawl 82 is separated from the first ratchet 81, the second elastic sheet 84 is extruded, then the first clamping plate 1 and the second clamping plate 2 are pulled outwards, the first clamping plate 1 drives the first ratchet 81 to rotate clockwise, so that the first clamping plate 1 and the second clamping plate 2 are opened outwards, the first elastic sheet 3 is stretched, then the conducting wire on the carbon brush is placed between the first clamping plate 1 and the second clamping plate 2, then the rocker 83 is loosened, under the action of the second elastic sheet 84, the rocker 83 swings upwards, the rocker 83 drives the first pawl 82 to swing upwards to be matched with the first ratchet 81, then the first clamping plate 1 and the second clamping plate 2 are loosened, under the action of the first elastic sheet 3, the first clamping plate 1 and the second clamping plate 2 are closed inwards to clamp the conducting wire on the carbon brush, the first clamping plate 1 drives the first ratchet 81 to rotate anticlockwise, under the action of the second elastic sheet 84, the first pawl 82 slides on the first ratchet 81, and the first pawl 82 can clamp the first ratchet 81, so that the first clamping plate 1 and the second clamping plate 2 can be clamped to prevent the first clamping plate 1 and the second clamping plate 2 from loosening.
Still including release mechanism 9, release mechanism 9 is including second ratchet 91, hollow reel 92, second pawl 93, third shell fragment 94, stay cord 95, conduit 96 and first spring 97, install second ratchet 91 on the bull stick 74, hollow reel 92 is installed to second splint 2 front side lower part rotary type, hollow reel 92 is located between friction roller 73 and the servo motor 71, the equal rotary type in front and back both sides is connected with second pawl 93 in the hollow reel 92, be connected with third shell fragment 94 between second pawl 93 and the hollow reel 92, it has stay cord 95 to wind on the hollow reel 92, be connected with first spring 97 between stay cord 95 and the rocker 83, second splint 2 right side sub-unit connection has conduit 96, stay cord 95 passes conduit 96.
When the rotating rod 74 rotates clockwise, the rotating rod 74 drives the second ratchet wheel 91 to rotate clockwise, and the second pawl 93 slides on the second ratchet wheel 91 under the action of the third elastic sheet 94, so that the friction roller 73 is not influenced to pull out the conducting wire on the carbon brush. When the rotating rod 74 rotates anticlockwise, the rotating rod 74 drives the second ratchet wheel 91 to rotate anticlockwise, the second ratchet wheel 91 drives the hollow reel 92 to rotate anticlockwise through the second pawl 93, the rocker 83 is driven to swing downwards through the pull rope 95 and the first spring 97, so that the first pawl 82 is driven to swing downwards to be separated from the first ratchet wheel 81, the first ratchet wheel 81 is loosened, manual operation can be replaced, and time and labor are saved conveniently.
The device is characterized by further comprising a limiting mechanism 10, wherein the limiting mechanism 10 comprises two sliding rods 101, a sliding sleeve 102, a second spring 103, a baffle 104 and a second contact switch 105, the two sliding rods 101 playing a guiding role are fixedly connected to the lower portion of the rear side of the second splint 2, the sliding sleeve 102 is arranged on each sliding rod 101 in a sliding mode, the second spring 103 is connected between the sliding sleeve 102 and the second splint 2, the second spring 103 is wound on the sliding rods 101, the baffle 104 is connected between the two sliding sleeves 102, and the second contact switch 105 is arranged on the baffle 104.
When the first clamping plate 1 and the second clamping plate 2 clamp the wires on the carbon brush, the springs on the carbon brush are in contact with the baffle plate 104, when the wires on the carbon brush are pulled out, the springs on the carbon brush are compressed, the springs on the carbon brush press the baffle plate 104, the baffle plate 104 moves forward, so that the second contact switch 105 is driven to move forward, the second spring 103 is compressed, when the second contact switch 105 moves forward to touch the second clamping plate 2, the fact that the wires on the carbon brush are pulled out by a proper length is explained, the second contact switch 105 sends out a signal, the control module receives the signal and then controls the servo motor 71 to stop rotating clockwise, and therefore the situation that the wires on the carbon brush are pulled too long can be avoided.
Still including control box 4, first splint 1 front side middle part rigid coupling has control box 4, control module sets up in control box 4, still be provided with switching power supply and power module in the control box 4, switching power supply is the device power supply, switching power supply and power module pass through the line connection, power module and control module pass through the line connection, there is the power master switch through the line connection on the power module, last DS1302 circuit and the 24C02 circuit of being connected with of control module, 24C02 circuit is used for the storage parameter, DS1302 circuit can provide the time reference, pull out button 5, reset button 6, first contact switch 72 and second contact switch 105 all pass through electric connection with control module, servo motor 71 and control module pass through peripheral circuit and connect.
Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (5)
1. The utility model provides a motor carbon brush spring nesting ware, is connected with second splint (2), characterized by including first splint (1) and second splint (2) on first splint (1) the rotation type: the carbon brush; the clamping device is characterized by also comprising a control module, a pull-out key (5) and a reset key (6), wherein the pull-out key (5) and the reset key (6) are arranged on one side of the second clamping plate (2); stay wire mechanism (7) is including servo motor (71), first contact switch (72), friction roller (73) and bull stick (74), servo motor (71) are installed to one side of second splint (2), be connected with bull stick (74) on the output shaft of servo motor (71), one side that perpendicular to servo motor (71) was equipped with first contact switch (72) on second splint (2), first contact switch (72) and first splint (1) contact, equal rotary type is connected with friction roller (73) on first splint (1) and second splint (2), bull stick (74) and one of them friction roller (73) are connected, open constant head tank (75) towards one side of second splint (2) on first splint (1), constant head tank (75) have also been opened towards one side of first splint (1) on second splint (2).
2. The carbon brush spring embedder of an electric motor according to claim 1, wherein: still including locking mechanical system (8), locking mechanical system (8) are including first ratchet (81), first pawl (82), rocker (83) and second shell fragment (84), the rigid coupling has first ratchet (81) on first splint (1), the last rotation type of second splint (2) is connected with first pawl (82), first pawl (82) and first ratchet (81) cooperation, be connected with rocker (83) on first pawl (82), be connected with second shell fragment (84) between rocker (83) and second splint (2).
3. The carbon brush spring embedder of an electric motor according to claim 2, wherein: the automatic winding device is characterized by further comprising an unlocking mechanism (9), wherein the unlocking mechanism (9) comprises a second ratchet wheel (91), a hollow reel (92), a second pawl (93), a third elastic piece (94), a pull rope (95), a conduit (96) and a first spring (97), the second ratchet wheel (91) is installed on the rotating rod (74), the hollow reel (92) is installed on the second clamping plate (2) in a rotating mode, the hollow reel (92) is located between the friction roller (73) and the servo motor (71), the second pawl (93) is connected in the hollow reel (92) in a rotating mode, the third elastic piece (94) is connected between the second pawl (93) and the hollow reel (92), the pull rope (95) is wound on the hollow reel (92), the first spring (97) is connected between the pull rope (95) and the rocker (83), and the conduit (96) is connected to one side, far away from the first contact switch (72), of the second clamping plate (2), the pull cord (95) passes through the conduit (96).
4. A carbon brush spring insert for an electrical machine as claimed in claim 3, wherein: the novel clamp is characterized by further comprising a limiting mechanism (10), the limiting mechanism (10) comprises slide bars (101), a sliding sleeve (102), a second spring (103), a baffle (104) and a second contact switch (105), the other side of the second clamp plate (2) is fixedly connected with the at least two slide bars (101) which play a guiding role, the sliding sleeve (102) is arranged on each slide bar (101) in a sliding mode, the second spring (103) is connected between the sliding sleeve (102) and the second clamp plate (2), the second spring (103) is wound on the slide bars (101), the baffle (104) is connected between the sliding sleeves (102) on the two sides, and the second contact switch (105) is arranged on the baffle (104).
5. The carbon brush spring embedder of an electric machine according to claim 4, wherein: still including control box (4), one side rigid coupling of first splint (1) has control box (4), control module sets up in control box (4), still be provided with switching power supply and power module in control box (4), switching power supply is the device power supply, switching power supply and power module pass through the line connection, power module and control module pass through the line connection, there is the power master switch through the line connection on the power module, be connected with DS1302 circuit and 24C02 circuit on the control module, 24C02 circuit is used for the storage parameter, DS1302 circuit can provide the time reference, pull out button (5), reset button (6), first contact switch (72) and second contact switch (105) all pass through electric connection with control module, servo motor (71) and control module pass through peripheral circuit and connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010004711.1A CN111029878B (en) | 2020-01-03 | 2020-01-03 | Motor carbon brush spring nesting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010004711.1A CN111029878B (en) | 2020-01-03 | 2020-01-03 | Motor carbon brush spring nesting device |
Publications (2)
| Publication Number | Publication Date |
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| CN111029878A CN111029878A (en) | 2020-04-17 |
| CN111029878B true CN111029878B (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010004711.1A Active CN111029878B (en) | 2020-01-03 | 2020-01-03 | Motor carbon brush spring nesting device |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5227440Y2 (en) * | 1975-05-08 | 1977-06-22 | ||
| US7260975B2 (en) * | 2005-02-16 | 2007-08-28 | Emerson Electric Co. | Compression tool jawset |
| CN201639198U (en) * | 2009-11-11 | 2010-11-17 | 陈麒元 | Trigger type strain clamp |
| CN101850543B (en) * | 2010-04-23 | 2012-04-04 | 宁波天下模塑有限公司 | Stayguy tool pliers with lock |
| CN202663036U (en) * | 2012-06-30 | 2013-01-09 | 河南省电力公司信阳供电公司 | Electric wire and cable stripping pliers |
| EP3012923B1 (en) * | 2014-10-20 | 2017-11-29 | Wezag GmbH Werkzeugfabrik | Jointing clamp |
| CN205159935U (en) * | 2015-12-10 | 2016-04-13 | 国网四川省电力公司巴中供电公司 | Quick accurate tensioner bullwheel acts as go -between |
| CN109176382B (en) * | 2018-10-31 | 2020-07-07 | 蔡盼 | Hoop binding pliers with cutting function |
| CN109755894A (en) * | 2019-03-07 | 2019-05-14 | 国网河南省电力公司禹州市供电公司 | A kind of cable wiring device |
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Address after: 510000 818, 4th floor, Yufeng business center, No.2 Jinghu Avenue, Huadu District, Guangzhou City, Guangdong Province Applicant after: Zhang Jingxian Address before: 330000 workshop 65, 192 Gaoxin 7th Road, Nanchang hi tech Industrial Development Zone, Jiangxi Province Applicant before: Zhang Jingxian |
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Inventor after: Wei Zhiming Inventor after: Zhang Jingxian Inventor before: Zhang Jingxian |
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