CN111884112A - Pressing plate throwing and withdrawing auxiliary tool - Google Patents
Pressing plate throwing and withdrawing auxiliary tool Download PDFInfo
- Publication number
- CN111884112A CN111884112A CN202010711695.XA CN202010711695A CN111884112A CN 111884112 A CN111884112 A CN 111884112A CN 202010711695 A CN202010711695 A CN 202010711695A CN 111884112 A CN111884112 A CN 111884112A
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- CN
- China
- Prior art keywords
- pressing plate
- transmission
- driving assembly
- auxiliary tool
- bevel gear
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
- H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manipulator (AREA)
Abstract
The invention relates to the technical field of power maintenance and discloses a pressing plate putting-in and putting-out auxiliary tool. The pressing plate feeding and withdrawing auxiliary tool is used for assisting the feeding and withdrawing of the pressing plate, the feeding and withdrawing of the pressing plate is controlled by two terminals, the pressing plate feeding and withdrawing auxiliary tool comprises a driving assembly, two transmission assemblies and two rotary drums, and the two transmission assemblies are arranged in parallel and are connected with the output end of the driving assembly; the two rotary drums are respectively fixed at the end parts of the two transmission assemblies, and one end of each rotary drum, which is far away from the transmission assemblies, is provided with a groove which can be used for sleeving and fixing the terminals; the driving assembly can simultaneously drive the two transmission assemblies to rotate in the same rotating direction so as to respectively drive the two terminals to rotate in the same rotating direction. The auxiliary tool for putting in and out the pressing plate can not cause discomfort of operators when putting in and out the pressing plate, and is high in pressing plate putting in and out efficiency and reliability.
Description
Technical Field
The invention relates to the technical field of power maintenance, in particular to a pressing plate putting-in and putting-out auxiliary tool.
Background
The pressure plate of the relay protection device is a connecting piece for connecting or disconnecting a certain node in the electrical secondary control loop. The pressing plate is accurately thrown and retreated (put into use and withdrawn from use) according to requirements, so that the normal action of the breaker can be ensured, and the accidents of misoperation and refusal action of the short-circuiting device are avoided.
During the electric power inspection, the operation of putting on and off the pressing plate is an important operation of workers. In the prior art, the pressing plate is usually put on or taken off by screwing or unscrewing two terminals at two ends of the pressing plate, and an operator needs to directly operate the pressing plate by hands. The terminal is manually screwed and unscrewed, so that on one hand, the efficiency is low, and the reliability of the pressing plate cannot be ensured; on the other hand, the operator twists the plurality of terminals in succession, causing discomfort to the fingers.
Therefore, it is desirable to invent a pressing plate advancing and retreating auxiliary tool to solve the above problems.
Disclosure of Invention
The invention aims to provide a pressing plate throwing and withdrawing auxiliary tool which can realize throwing and withdrawing work of a pressing plate and has high efficiency and high reliability.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a clamp plate is thrown and is moved back appurtenance for the throwing of supplementary clamp plate moves back, the throwing of clamp plate moves back by two terminal control, the clamp plate is thrown and is moved back appurtenance and includes:
a drive assembly;
the two transmission assemblies are arranged in parallel and are connected with the output end of the driving assembly;
the two rotary drums are respectively fixed at the end parts of the two transmission assemblies, and one end of each rotary drum, which is far away from the transmission assemblies, is provided with a groove which can be used for sleeving and fixing the terminals;
the driving assembly can simultaneously drive the two transmission assemblies to rotate in the same rotating direction so as to respectively drive the two terminals to rotate in the same rotating direction.
Optionally, the end surface of the rotary drum far away from the transmission assembly and the inner wall of the groove are coated with an insulating layer.
Optionally, the drum is made of an insulating material.
Optionally, the transmission assembly comprises:
the rotary drum is connected to one end of the first transmission shaft;
the first bevel gear is sleeved on the first transmission shaft and meshed with the output end of the driving assembly.
Optionally, the drive assembly comprises:
a rotary drive source having an output shaft parallel to the first transmission shaft;
and the two second transmission shafts are positioned on two sides of the output shaft of the rotary driving source, the axes of the two second transmission shafts are perpendicular to the first transmission shaft, and two ends of each second transmission shaft are respectively meshed with the output end of the rotary driving source and the first bevel gear.
Optionally, the drive assembly further comprises:
a second bevel gear connected to an output end of the rotary drive source;
the two third bevel gears are connected to one end of the second transmission shaft and meshed with the second bevel gear;
and the fourth bevel gear is connected to the other end of the second transmission shaft and is meshed with the first bevel gear.
Optionally, the driving assembly includes a hollow motor and two fifth bevel gears, an output shaft of the hollow motor is perpendicular to the first transmission shaft, the two fifth bevel gears are respectively connected to two ends of the output shaft of the hollow motor, and the two first bevel gears are located on two sides of the output shaft of the hollow motor and are respectively engaged with the two fifth bevel gears.
Optionally, the pressing plate retreating and throwing auxiliary tool further comprises a housing, the housing comprises a holding portion and two connecting portions connected to the same side of the holding portion, and an accommodating cavity surrounded by each connecting portion and the holding portion is used for accommodating one transmission assembly.
Optionally, the drum is rotationally engaged with the connection;
the pressing plate throwing-withdrawing auxiliary tool further comprises a bearing, an outer ring of the bearing is connected with the connecting portion, and an inner ring of the bearing is connected with the rotary drum.
Optionally, the pressing plate putting-in and putting-out auxiliary tool further comprises a power supply, and the power supply is arranged in the shell and used for supplying power to the driving assembly.
The invention has the beneficial effects that:
according to the auxiliary tool for the throwing and withdrawing of the pressing plate, the two rotary drums are arranged, so that the auxiliary tool for the throwing and withdrawing of the pressing plate is simultaneously sleeved and fixed with the two terminals for throwing and withdrawing the same pressing plate, the driving assembly drives the two rotary drums to rotate through the two transmission assemblies respectively at the moment so as to drive the two terminals to rotate (unscrew or screw down) simultaneously, the throwing and withdrawing work of the pressing plate is realized, and the throwing and withdrawing work efficiency of the pressing plate is high; the rotation process of the two terminals is realized through the driving assembly, and the terminals do not need to be rotated manually, so that the labor is saved; in addition, the screwing and unscrewing processes of the two terminals are synchronous, so that the putting-in and putting-out reliability of the pressing plate can be guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a pressing plate retracting auxiliary tool according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a pressing plate retracting auxiliary tool according to a second embodiment of the present invention.
In the figure:
1-a drive assembly; 11-a rotary drive source; 12-a second drive shaft; 13-a second bevel gear; 14-a third bevel gear; 15-a fourth bevel gear; 16-a hollow motor; 17-a fifth bevel gear;
2-a transmission assembly; 21-a first drive shaft; 22-a first bevel gear;
3-a rotating drum; 31-shaped groove;
4-a shell; 41-a grip portion; 42-a non-slip layer; 43-a connecting part;
5-a bearing;
6-power supply.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The pressing plate of the relay protection device realizes the operation of putting on and off the pressing plate by screwing and unscrewing the two terminals. In the prior art, the terminal is screwed up and unscrewed by an operator by hands, so that on one hand, the efficiency is low, and the reliability of the pressing plate cannot be ensured; on the other hand, the operator continuously throws and withdraws the plurality of pressing plates, which causes discomfort of fingers. In order to solve the problems, the invention provides a consistent pressing plate putting-in and putting-out auxiliary tool which can be used in the technical field of power maintenance.
Example one
The pressing plate switching auxiliary tool is used for assisting the switching of the pressing plate on the relay protection device. As shown in fig. 1, the pressing plate moving auxiliary tool includes a housing 4, a driving component 1 and two transmission components 2 are disposed in the housing 4, the pressing plate moving auxiliary tool further includes two rotary drums 3, wherein the two transmission components 2 are disposed in parallel and are connected to an output end of the driving component 1, the two rotary drums 3 are respectively fixed at end portions of the two transmission components 2, a groove 31 is disposed at one end of the rotary drum 3 away from the transmission components 2, the groove 31 can be sleeved with and fix a terminal, and the driving component 1 can simultaneously drive the two transmission components 2 to rotate in the same rotation direction so as to respectively drive the two rotary drums 3 to rotate in the same rotation direction.
According to the auxiliary tool for the throwing and withdrawing of the pressing plate, the two rotary drums 3 are arranged, so that the auxiliary tool for the throwing and withdrawing of the pressing plate is simultaneously sleeved and fixed with the two terminals for throwing and withdrawing the same pressing plate, at the moment, the driving assembly 1 drives the two rotary drums 3 to rotate through the two transmission assemblies 2 respectively so as to drive the two terminals to rotate (unscrew or screw) simultaneously, the throwing and withdrawing work of the pressing plate is realized, and the throwing and withdrawing work efficiency of the pressing plate is high; the rotation process of the two terminals is realized through the driving assembly 1, the terminals do not need to be rotated manually, and labor is saved; in addition, the screwing and unscrewing processes of the two terminals are synchronous, so that the putting-in and putting-out reliability of the pressing plate can be guaranteed. In this embodiment, the size of the groove 31 is consistent with the external dimension of the terminal.
Optionally, the housing 4 includes a holding portion 41 and two connecting portions 43 connected to the same side of the holding portion 41, and each connecting portion 43 and the holding portion 41 together form a cavity capable of accommodating one transmission assembly 2. In this embodiment, the connecting portion 43 is a cylindrical shell structure, and two connecting portions 43 are disposed at an interval on one side of the holding portion 41. Therefore, an avoiding space is formed between the two connecting parts 43 outside the auxiliary tool for putting in and out the pressing plate, and other structures between the two terminals on the pressing plate are convenient to avoid. Preferably, as shown in fig. 1, an anti-slip layer 42 is provided on the grip portion 41. Through setting up skid resistant course 42 can increase the frictional force when operating personnel grips the clamp plate and throws back appurtenance, difficult pine takes off. In this embodiment, the anti-slip layer 42 is a stripe structure disposed on the outer surface of the grip portion 41. In other embodiments, the anti-slip layer 42 may also be a rubber pad sleeved on the outer side of the grip portion 41.
Alternatively, as shown in fig. 1, the rotary drum 3 is rotatably engaged with the connecting portion 43, so that the stability of the rotation process of the terminal by the rotary drum 3 can be ensured. Specifically, a bearing 5 is disposed between the rotary drum 3 and the connecting portion 43, an outer ring of the bearing 5 is fixedly connected to the connecting portion 43, an inner ring is sleeved on and fixed to the connecting portion 43, and the bearing 5 can support the rotary drum 3 during rotation. In this embodiment, one end of the drum 3 provided with the groove 31 is located outside the connecting portion 43, and the other end of the drum extends into the connecting portion 43 and is fixedly connected to the transmission assembly 2.
Further, as shown in fig. 1, the pressing plate retraction assisting tool further includes a power supply 6, and the power supply 6 is used for supplying power to the driving assembly 1. Therefore, the auxiliary tool for putting in and out the pressing plate is used without being connected with an external power supply through an external lead, and the use flexibility of the auxiliary tool for putting in and out the pressing plate is further improved.
Preferably, in order to avoid accidental electric shock accidents during the process of using the pressing plate to throw and withdraw the auxiliary tool, as shown in fig. 1, the end surface of the rotary drum 3 far away from the transmission assembly 2 and the inner wall of the groove 31 are coated with an insulating layer. The insulating layer is arranged at the position where the pressing plate can be contacted with the terminal on the pressing plate throwing and withdrawing auxiliary tool, so that the accident that an operator gets an electric shock due to electric leakage of the terminal in the process of throwing and withdrawing the pressing plate can be avoided. In this embodiment, the drum 3 is made of metal, and the insulating layer is made of plastic. The metal material intensity is high, and the drive assembly 2 of being convenient for carries out connection operations such as welding. In other embodiments, the entire drum 3 is made of an insulating material, so that the manufacturing process of the drum 3 can be simplified.
In order to realize the transmission of the rotation output by the driving assembly 1 to the drum 3, as shown in fig. 1, the driving assembly 2 comprises a first transmission shaft 21 and a first bevel gear 22, and the drum 3 is connected to one end of the first transmission shaft 21; the first bevel gear 22 is sleeved on the first transmission shaft 21, and the first bevel gear 22 is engaged with the output end of the driving assembly 1. The driving assembly 1 can drive the two rotary drums 3 to rotate in the same direction by driving the two first bevel gears 22 to rotate in the same direction.
In this embodiment, the driving assembly 1 includes a rotation driving source 11 and two second transmission shafts 12, an output shaft of the rotation driving source 11 is parallel to the first transmission shaft 21, the two second transmission shafts 12 are located at two sides of the output shaft of the rotation driving source 11, and both axes of the two second transmission shafts 12 are perpendicular to the first transmission shaft 21, and two ends of the second transmission shafts 12 are respectively engaged with an output end of the rotation driving source 11 and the first bevel gear 22. The output shaft of the rotary driving source 11 rotates and then transmits the rotation to the two second transmission shafts 12 located at the two sides of the rotary driving source, and the two second transmission shafts 12 respectively transmit the rotation to the two first transmission shafts 21.
Specifically, as shown in fig. 1, the driving assembly 1 further includes a second bevel gear 13, two third bevel gears 14 and two fourth bevel gears 15, wherein the second bevel gear 13 is connected to the output end of the rotation driving source 11, the two third bevel gears 14 are respectively connected to the two second transmission shafts 12 and engaged with the second bevel gear 13, and the fourth bevel gears 15 are connected to the other ends of the second transmission shafts 12 and engaged with the first bevel gears 22. The second bevel gear 13 transmits the motion of the rotation driving source 11 to the two third bevel gears 14, and since the two third bevel gears 14 are located on both sides of the second bevel gear 13, the rotation directions of the two third bevel gears 14 are opposite, the rotation directions of the two second transmission shafts 12 connected to the two third bevel gears 14 are opposite, the rotation directions of the two fourth bevel gears 15 connected to the other ends of the two second transmission shafts 12 are also opposite, and after the two fourth bevel gears 15 are engaged with the corresponding first bevel gears 22, the rotation directions of the two fourth bevel gears 15 are identical, so that the rotation directions of the two first transmission shafts 21 can be identical. That is, in the present embodiment, the primary transmission direction is changed by the engagement between the second bevel gear 13 and the third bevel gear 14, the secondary transmission direction is changed by the engagement between the fourth bevel gear 15 and the first bevel gear 22, and the rotational motion output by one rotation driving source 11 is converted into the rotation of the two first transmission shafts 21 with the same rotational direction, so that not only a high transmission ratio can be obtained, but also the transmission is smooth. Specifically, in the present embodiment, the first transmission shaft 21 and the second transmission shaft 12 are both supported inside the housing 4 by bearing blocks. The rotation drive source 11 is a dc motor and is electrically connected to the power source 6.
Example two
As shown in fig. 2, the present embodiment is different from the first embodiment in that: the driving assembly 1 comprises a hollow motor 16 and two fifth bevel gears 17, an output shaft of the hollow motor 16 is perpendicular to the first transmission shaft 21, the two fifth bevel gears 17 are respectively connected to two ends of the output shaft of the hollow motor 16, and the two first bevel gears 22 are positioned on two sides of the output shaft of the hollow motor 16 and are respectively meshed with the two fourth bevel gears 15. The two fifth bevel gears 17 connected to the two ends of the output shaft of the hollow motor 16 have communicated rotating directions, and the two first bevel gears 22 on the two first transmission shafts 21 are positioned at the two sides of the output shaft of the hollow motor 16, so that after the two fifth bevel gears 17 transmit the rotation to the two first bevel gears 22, the two first bevel gears 22 have the same rotating direction, so that the two rotary drums 3 respectively connected to the two first transmission shafts 21 can drive the two rotary drums to rotate in the same direction, and the two rotary drums simultaneously drive the two terminals to rotate, thereby realizing the operation of the pressing plate.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the invention and are not to be construed as limitations of the embodiments of the present invention, but may be modified in various embodiments and applications by those skilled in the art according to the spirit of the present invention, and the content of the present description should not be construed as a limitation of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a clamp plate is thrown and is moved back appurtenance for the throwing of supplementary clamp plate moves back, the throwing of clamp plate moves back by two terminal control, its characterized in that includes:
a drive assembly (1);
the two transmission assemblies (2) are arranged in parallel and are connected with the output end of the driving assembly (1);
the two rotary drums (3) are respectively fixed at the end parts of the two transmission assemblies (2), one ends of the rotary drums (3) far away from the transmission assemblies (2) are provided with groove (31), and the terminals can be sleeved and fixed in the groove (31);
the driving assembly (1) can simultaneously drive the two transmission assemblies (2) to rotate in the same rotating direction so as to respectively drive the two terminals to rotate in the same rotating direction.
2. The auxiliary tool for putting on and taking off the press plate as claimed in claim 1, wherein the end surface of the rotary drum (3) far away from the transmission component (2) and the inner wall of the groove (31) are coated with an insulating layer.
3. The platen retraction assisting tool according to claim 1, wherein the drum (3) is made of an insulating material.
4. The platen retraction assisting tool according to any one of claims 1-3, wherein the transmission assembly (2) comprises:
a first transmission shaft (21), the drum (3) being connected to one end of the first transmission shaft (21);
the first bevel gear (22) is sleeved on the first transmission shaft (21), and the first bevel gear (22) is meshed with the output end of the driving assembly (1).
5. The platen retraction assisting tool according to claim 4, wherein the driving assembly (1) comprises:
a rotary drive source (11) having an output shaft parallel to the first transmission shaft (21);
and the two second transmission shafts (12) are positioned on two sides of an output shaft of the rotary driving source (11), the axes of the two second transmission shafts are perpendicular to the first transmission shaft (21), and two ends of each second transmission shaft (12) are respectively meshed with the output end of the rotary driving source (11) and the first bevel gear (22).
6. The platen retraction assisting tool according to claim 5, wherein the driving assembly (1) further comprises:
a second bevel gear (13) connected to an output end of the rotary drive source (11);
two third bevel gears (14), wherein the third bevel gears (14) are connected to one end of the second transmission shaft (12) and are meshed with the second bevel gear (13);
and a fourth bevel gear (15) connected to the other end of the second transmission shaft (12) and engaged with the first bevel gear (22).
7. The platen retraction assisting tool according to claim 4, wherein the driving assembly (1) comprises a hollow motor (16) and two fifth bevel gears (17), the output shaft of the hollow motor (16) is perpendicular to the first transmission shaft (21), the two fifth bevel gears (17) are respectively connected to both ends of the output shaft of the hollow motor (16), and the two first bevel gears (22) are located on both sides of the output shaft of the hollow motor (16) and respectively engaged with the two fifth bevel gears (17).
8. The auxiliary tool for putting on and taking off the pressing plate as claimed in any one of claims 1 to 3, wherein the auxiliary tool for putting on and taking off the pressing plate further comprises a housing (4), the housing (4) comprises a holding part (41) and two connecting parts (43) connected to the same side of the holding part (41), and each connecting part (43) and the holding part (41) enclose a containing cavity for containing one transmission assembly (2).
9. The platen retraction assisting tool according to any one of claims 8, wherein the drum (3) is rotationally engaged with the connecting portion (43);
the pressing plate throwing-withdrawing auxiliary tool further comprises a bearing (5), the outer ring of the bearing (5) is connected with the connecting part (43), and the inner ring of the bearing (5) is connected with the rotary drum (3).
10. The platen retraction assisting tool according to any one of claims 8, further comprising a power source (6), wherein the power source (6) is disposed in the housing (4) and is used for supplying power to the driving assembly (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010711695.XA CN111884112A (en) | 2020-07-22 | 2020-07-22 | Pressing plate throwing and withdrawing auxiliary tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010711695.XA CN111884112A (en) | 2020-07-22 | 2020-07-22 | Pressing plate throwing and withdrawing auxiliary tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111884112A true CN111884112A (en) | 2020-11-03 |
Family
ID=73155573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010711695.XA Pending CN111884112A (en) | 2020-07-22 | 2020-07-22 | Pressing plate throwing and withdrawing auxiliary tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111884112A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113161873A (en) * | 2021-04-25 | 2021-07-23 | 广东电网有限责任公司阳江供电局 | Quick throw-withdraw tool for pressing plate of screen cabinet |
| CN113823515A (en) * | 2021-09-27 | 2021-12-21 | 广东电网有限责任公司 | Communication interface screen protection channel switch operation tool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB189511019A (en) * | 1895-06-04 | 1895-08-31 | Ebenezer Benton Beecher | Improvements in and relating to Machines for Making Wax or other Matches. |
| CN102055136A (en) * | 2009-10-30 | 2011-05-11 | 河南省电力公司许昌供电公司 | Casting and retreating device for press plate |
| CN105798594A (en) * | 2016-04-25 | 2016-07-27 | 中国南方电网有限责任公司超高压输电公司曲靖局 | Mounting and dismounting device for coaxial cable 2M digital terminal |
| CN206824937U (en) * | 2017-05-02 | 2018-01-02 | 中国南方电网有限责任公司超高压输电公司曲靖局 | A kind of more bolts of extension type throw unloading device |
| CN208478842U (en) * | 2018-07-27 | 2019-02-05 | 珠海优特电力科技股份有限公司 | Pressing plate automatic switching device |
-
2020
- 2020-07-22 CN CN202010711695.XA patent/CN111884112A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB189511019A (en) * | 1895-06-04 | 1895-08-31 | Ebenezer Benton Beecher | Improvements in and relating to Machines for Making Wax or other Matches. |
| CN102055136A (en) * | 2009-10-30 | 2011-05-11 | 河南省电力公司许昌供电公司 | Casting and retreating device for press plate |
| CN105798594A (en) * | 2016-04-25 | 2016-07-27 | 中国南方电网有限责任公司超高压输电公司曲靖局 | Mounting and dismounting device for coaxial cable 2M digital terminal |
| CN206824937U (en) * | 2017-05-02 | 2018-01-02 | 中国南方电网有限责任公司超高压输电公司曲靖局 | A kind of more bolts of extension type throw unloading device |
| CN208478842U (en) * | 2018-07-27 | 2019-02-05 | 珠海优特电力科技股份有限公司 | Pressing plate automatic switching device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113161873A (en) * | 2021-04-25 | 2021-07-23 | 广东电网有限责任公司阳江供电局 | Quick throw-withdraw tool for pressing plate of screen cabinet |
| CN113161873B (en) * | 2021-04-25 | 2022-05-27 | 广东电网有限责任公司阳江供电局 | Quick throw-withdraw tool for pressing plate of screen cabinet |
| CN113823515A (en) * | 2021-09-27 | 2021-12-21 | 广东电网有限责任公司 | Communication interface screen protection channel switch operation tool |
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Application publication date: 20201103 |