CN112536536B - Automatic outage structure and electric automatization laser cutting machine - Google Patents
Automatic outage structure and electric automatization laser cutting machine Download PDFInfo
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- CN112536536B CN112536536B CN202011467304.0A CN202011467304A CN112536536B CN 112536536 B CN112536536 B CN 112536536B CN 202011467304 A CN202011467304 A CN 202011467304A CN 112536536 B CN112536536 B CN 112536536B
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- movable platform
- workbench
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses an automatic power-off structure and an electric automatic laser cutting machine.A flexible structure is arranged on one side of a workbench in a swinging manner, and a switch assembly is arranged below the flexible structure; the movable platform is in rolling fit with the rotary roller when approaching to the elastic structure until the elastic structure is fitted; the movable platform is close to the elastic structure along the horizontal direction, the rotating roller and the swing arm are driven to swing around the rotating center of the elastic structure when the front side of the movable platform is in contact with the rotating roller in the elastic structure, and at the moment, the elastic telescopic rod group is stretched and has elastic potential energy; after the swing arm swings to the stroke terminal of the swing arm, the movable platform continues to push the rotary roller and the swing arm to swing, and at the moment when the swing arm crosses the stroke terminal of the swing arm, the elastic potential energy of the elastic telescopic rod group drives the swing arm to swing down rapidly and drive the crank block assembly to act, so that the movable contact is driven to be separated from the fixed contact, and the equipment is powered off; the device has the function of automatically powering off the device when the movable platform reaches the travel terminal of the movable platform.
Description
The invention relates to electrical automation equipment, in particular to an automatic power-off structure and an electrical automation laser cutting machine.
Background
The laser cutting is widely applied in industry, and has the advantages of small deformation of a workpiece with narrow cutting seam, non-contact processing, high adaptability and flexibility and the like.
Most organic and inorganic materials can be cut with lasers. In the heavy metal working industry of industrial manufacturing systems, many metal materials, regardless of their hardness, can be cut without deformation. For many electromechanical manufacturing industries, because a modern laser cutting system controlled by a microcomputer program can conveniently cut workpieces with different shapes and sizes, the modern laser cutting system is often preferred to punching and molding processes; although the processing speed is slower than that of a stamping die, the processing speed is lower than that of a stamping die, the die consumption is avoided, the die does not need to be repaired, the time for replacing the die is saved, the processing cost is saved, the production cost is reduced, and the processing speed is more economical on the whole.
In the prior art, most of laser cutting machines control laser cutting through microcomputer programs, and microcomputer control needs complex sensors and various electronic units, so that large errors exist in the using process, the failure rate is high, and the maintenance is expensive.
Disclosure of Invention
Based on the defects in the prior art mentioned in the background art, the invention provides an automatic power-off structure and an electric automatic laser cutting machine.
The invention overcomes the technical problems by adopting the following technical scheme, and specifically comprises the following steps:
an automatic power-off structure comprises a workbench and a movable platform horizontally and movably arranged on the workbench through a sliding assembly; an elastic structure is arranged on one side of the workbench in a swinging mode, and a switch assembly is arranged below the elastic structure;
the elastic structure comprises a swing arm rotatably arranged at the end part of the workbench, a rotating roller rotatably arranged on one side of the swing arm, and an elastic telescopic rod group used for elastically connecting the swing arm and the workbench; the movable platform is in rolling fit with the rotary roller when approaching to the elastic structure until the elastic structure is fitted;
the switch assembly comprises a fixed contact fixed below the workbench and a movable contact horizontally and movably arranged below the workbench and used for being matched with the fixed contact; the moving contact is connected with the lower surface of the workbench through a crank block component.
As a further scheme of the invention: the elastic telescopic rod group comprises a sleeve, a telescopic rod and an elastic piece, wherein one end of the sleeve is rotationally connected with the workbench, the telescopic rod is coaxially arranged at the other end of the sleeve in a sliding and telescopic mode, and the elastic piece is used for elastically connecting the telescopic rod and the sleeve;
one end of the telescopic rod, which is far away from the sleeve, is rotatably connected to the swing arm.
As a still further scheme of the invention: the telescopic link inserts telescopic one end and is fixed with the flange, the elastic component cover is established the telescopic link inserts one section in the sleeve, and the one end of elastic component with telescopic inner wall butt, the other end with the flange butt.
As a still further scheme of the invention: the sliding assembly comprises a guide piece which is arranged on the side wall of the workbench in a protruding mode along the horizontal direction and a clamping piece which is fixed on the side wall of the movable platform and is in sliding fit with the guide piece.
As a still further scheme of the invention: the crank block assembly comprises a turnover part, a push rod and a connecting rod, wherein the turnover part is rotatably arranged below the workbench, the push rod is horizontally and movably arranged below the workbench, and the connecting rod is used for knowing the push rod and the turnover part;
one end of the connecting rod is hinged with the overturning part, and the other end of the connecting rod is hinged with the push rod.
As a still further scheme of the invention: a torsion spring is further arranged between the turnover part and the workbench, an installation plate is fixed below the workbench, the static contact is installed on the installation plate, and a rod sleeve which is in sliding sleeve fit with the push rod horizontally penetrates through the installation plate; the static contact is fixedly arranged on the push rod.
An electric automatic laser cutting machine comprises the automatic power-off structure, a driving structure and a laser assembly, wherein the driving structure is used for driving a movable platform to move along the horizontal direction, and the laser assembly is arranged above a working platform and used for cutting a workpiece on the movable platform;
the movable platform is provided with a clamping groove for mounting a tool clamp, and a workpiece is fixed on the movable platform through the tool clamp in the clamping groove.
As a further scheme of the invention: the driving structure comprises a servo motor arranged below the workbench, a winding assembly connected with the output end of the servo motor, and a traction assembly used for connecting the winding assembly and the movable platform;
the winding assembly comprises a worm which is rotatably arranged below the workbench and connected with the output end of the servo motor and a worm wheel which is rotatably arranged at the lower part of the workbench and meshed with the worm; and a winch matched with the traction assembly is coaxially fixed on one side of the worm wheel.
As a still further scheme of the invention: the traction assembly comprises a pulley rotatably arranged on one side of the side wall of the workbench close to the swing arm and a traction wire which is wound around the pulley and is connected with the movable platform and the winch;
and a convex column sleeved with the end part of the traction wire is fixed on the side wall of the movable platform, and the other end of the traction wire is fixed and wound on a winch.
As a still further scheme of the invention: the laser assembly comprises a power supply fixed above one side of the workbench through a support and a laser transmitter which is arranged below the power supply and vertically points to the movable platform;
the servo motor and the laser emitter are connected in series, and both are electrically connected with the power supply through a fixed contact and a moving contact.
After adopting the structure, compared with the prior art, the invention has the following advantages: the movable platform is close to the elastic structure along the horizontal direction, the rotating roller and the swing arm are driven to swing around the rotating center of the elastic structure when the front side of the movable platform is in contact with the rotating roller in the elastic structure, and at the moment, the elastic telescopic rod group is stretched and has elastic potential energy; after the swing arm swings to the stroke terminal of the swing arm, the movable platform continues to push the rotary roller and the swing arm to swing, and at the moment when the swing arm crosses the stroke terminal of the swing arm, the elastic potential energy of the elastic telescopic rod group drives the swing arm to swing down rapidly and drive the crank block assembly to act, so that the movable contact is driven to be separated from the fixed contact, and the equipment is powered off; the device has the function of automatically powering off the device when the movable platform reaches the travel terminal of the movable platform.
Drawings
Fig. 1 is a schematic structural diagram of an electric automated laser cutting machine.
Fig. 2 is a schematic structural view of the workbench, the swing arm and the rotary roller in the automatic power-off structure.
Fig. 3 is a schematic structural diagram of the movable platform, the clamping groove and the clamping piece in the electric automatic laser cutting machine.
Fig. 4 is a partially enlarged view of a portion a in fig. 1.
In the figure: 1-a workbench; 2-a movable platform; 3-a snap-fit member; 4-a guide; 5-a power supply; 6-a laser emitter; 7-a servo motor; 8-a worm; 9-a worm gear; 10-drawing a silk; 11-a pulley; 12-a swing arm; 13-rotating the roller; 14-a telescopic rod; 15-a sleeve; 16-an elastic member; 17-a flip; 18-torsion spring; 19-a connecting rod; 20-a push rod; 21-a static contact; 22-moving contact; 23-clamping groove.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. 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 so that this disclosure will be thorough and complete.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 4, in an embodiment of the present invention, an automatic power-off structure includes a workbench 1 and a movable platform 2 horizontally movably disposed on the workbench 1 through a sliding assembly; an elastic structure is arranged on one side of the workbench 1 in a swinging mode, and a switch assembly is arranged below the elastic structure;
the elastic structure comprises a swing arm 12 rotatably arranged at the end part of the workbench 1, a rotating roller 13 rotatably arranged at one side of the swing arm 12, and an elastic telescopic rod group for elastically connecting the swing arm 12 and the workbench 1; the movable platform 2 is in rolling fit with the roller 13 when approaching to the elastic structure until the elastic structure is fitted;
the switch component comprises a fixed contact 21 fixed below the workbench 1 and a movable contact 22 horizontally and movably arranged below the workbench 1 and used for being matched with the fixed contact 21; the moving contact 22 is connected with the lower surface of the workbench 1 through a slider-crank assembly;
the movable platform 2 is close to the elastic structure along the horizontal direction, when the front side of the movable platform 2 is contacted with a rotating roller 13 in the elastic structure, the rotating roller 13 and the swing arm 12 are driven to swing around the rotating center of the elastic structure and the workbench 1, and at the moment, the elastic telescopic rod group is stretched and has elastic potential energy; after the swing arm 21 swings to the stroke terminal, the movable platform 2 continues to push the rotary roller 13 and the swing arm 12 to swing, and at the moment when the swing arm 12 passes through the stroke terminal, the elastic potential energy of the elastic telescopic rod group drives the swing arm 21 to rapidly swing downwards and drive the crank block assembly to move, so that the movable contact 22 is driven to be separated from the fixed contact 21, and the equipment is powered off; the device has the function of automatically powering off the device when the movable platform 2 reaches the end of its travel.
In one embodiment of the present invention, the elastic telescopic rod set comprises a sleeve 15 with one end rotatably connected with the workbench 1, a telescopic rod 14 coaxially slidably and telescopically arranged at the other end of the sleeve 15, and an elastic member 16 for elastically connecting the telescopic rod 14 and the sleeve 15;
one end of the telescopic rod 14, which is far away from the sleeve 15, is rotatably connected to the swing arm 12;
utilize sleeve 15 and telescopic link 14 to slide flexible realization whole telescopic function, and elastic component 16 increases elastic potential energy when the extension, when swing arm 12 swung to horizontal position, elastic component 16 had the biggest elastic force, just can drive swing arm 12 owing to elastic component 16's elasticity pendulum down fast this moment if swing arm 12 crossed horizontal position slightly.
In another embodiment of the present invention, a flange is fixed at one end of the telescopic rod 14 inserted into the sleeve 15, the elastic member 16 is sleeved at one section of the telescopic rod 14 inserted into the sleeve 15, one end of the elastic member 16 abuts against the inner wall of the sleeve 15, and the other end abuts against the flange;
the elastic element 16 is prevented from being separated from the sleeve 15 when the elastic element 16 is stressed by limiting the two ends of the elastic element 16 by the matching of the flange and the inner wall of the sleeve 15.
In another embodiment of the present invention, the sliding assembly comprises a guide 4 protruding from the side wall of the working platform 1 along the horizontal direction, and a latch 3 fixed on the side wall of the movable platform 2 and slidably engaged with the guide 4;
the guide member 4 and the engaging member 3 cooperate to restrict the moving direction of the movable platform 2, thereby preventing the movable platform 2 from being separated from the worktable 1.
In another embodiment of the present invention, the slider-crank assembly comprises a flip member 17 rotatably disposed under the worktable 1, a push rod 20 horizontally movably disposed under the worktable 1, and a connecting rod 19 for connecting the push rod 20 and the flip member 17;
one end of the connecting rod 19 is hinged with the overturning part 17, and the other end of the connecting rod is hinged with the push rod 20;
after the swing arm 12 crosses the stroke end of the horizontal position, the swing arm 12 swings down rapidly under the action of the elastic part 16, the swing part 17 is driven to swing along with the swing when swinging down to be in contact with the swing part 17, then the push rod 20 is driven to move horizontally by the connecting rod 19, and the movable contact 22 is driven by the push rod 19 to be separated from the fixed contact 21, so that the power-off effect is achieved.
In another embodiment of the present invention, a torsion spring 18 is further disposed between the turnover part 17 and the workbench 1, a mounting plate is fixed below the workbench 1, the static contact 21 is mounted on the mounting plate, and a rod sleeve slidably sleeved with the push rod 20 horizontally penetrates through the mounting plate; the fixed contact 21 is fixedly arranged on the push rod 20;
when the swing arm 12 swings down quickly to drive the turnover part 17 to swing along with the swing, the turnover part 17 extrudes the torsion spring 18 to enable the torsion spring to be elastically deformed, and the push rod 20 drives the moving contact 22 to be separated from the static contact 21 to cut off the power; after the swing arm 12 is manually reset, the turning member 17 is automatically driven to reset under the action of the elastic force of the torsion spring 18, so that the movable contact 22 and the fixed contact 21 are combined again.
An electric automatic laser cutting machine comprises the automatic power-off structure, a driving structure and a laser assembly, wherein the driving structure is used for driving a movable platform 2 to move along the horizontal direction, and the laser assembly is arranged above a workbench 1 and used for cutting a workpiece on the movable platform 2;
a clamping groove 23 for mounting a tool fixture is formed in the movable platform 2, and a workpiece is fixed on the movable platform 2 through the tool fixture in the clamping groove 23;
the movable platform 2 is driven by the driving structure to move on the workbench 1 along the horizontal direction under the restraint of the sliding assembly, and the laser assembly is matched to move and cut a workpiece on the movable platform 2, so that the automation degree is high, and the laser assembly and the driving structure are automatically powered off after cutting is finished; the laser assembly is prevented from continuously working to damage the workbench 1 and the whole device after the movable platform 2 drives the workpiece to cross the cutting end point.
In one embodiment of the invention, the driving structure comprises a servo motor 7 arranged below the workbench 1, a winding assembly connected with the output end of the servo motor 7, and a traction assembly used for connecting the winding assembly and the movable platform 2;
the winding assembly comprises a worm 8 which is rotatably arranged below the workbench 1 and is connected with the output end of the servo motor 7, and a worm wheel 9 which is rotatably arranged at the lower part of the workbench 1 and is meshed with the worm 8; a winch matched with the traction assembly is coaxially fixed on one side of the worm wheel 9;
when the servo motor 7 works, the worm 8 is driven to rotate, the rotating worm 8 drives the worm wheel 9 and the winch coaxially fixed with the worm wheel 9 to rotate, and the winding traction assembly drives the movable platform 1 to horizontally move.
In a further embodiment of the invention, the traction assembly comprises a pulley 11 rotatably mounted on one side of the side wall of the work table 1 close to a swing arm 12 and a traction wire 10 passing around the pulley 11 to connect the movable platform 2 with the winch;
a convex column sleeved with the end part of the traction wire 10 is fixed on the side wall of the movable platform 2, and the other end of the traction wire 10 is fixed and wound on a winch;
when the winch rotates, the traction wire 10 is driven to bypass the pulley 11 to drive the convex column and the whole movable platform 2 to move towards one side close to the swing arm 12.
In a further embodiment of the invention, the laser assembly comprises a power supply 5 fixed above one side of the worktable 1 through a bracket and a laser emitter 6 installed below the power supply 5 and vertically directed to the movable platform 2;
the servo motor 7 and the laser emitter 6 are connected in series, and both are electrically connected with the power supply 5 through a static contact 21 and a movable contact 22;
when the movable contact 22 is separated from the fixed contact 21, the servo motor 7 and the laser emitter 6 are powered off simultaneously, that is, when the movable platform 2 just crosses its stroke end, the swing arm 12 just swings to a horizontal position and quickly swings downwards to drive the turnover part 17 to act so as to separate the movable contact 22 from the fixed contact 21, the servo motor 7 is powered off and does not drive the movable platform 2 to move any more, and meanwhile, the laser emitter 6 stops emitting a light beam.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the invention are intended to be embraced therein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Claims (10)
1. An automatic power-off structure comprises a workbench (1) and a movable platform (2) horizontally and movably arranged on the workbench (1) through a sliding assembly, and is characterized in that an elastic structure is arranged on one side of the workbench (1) in a swinging mode, and a switch assembly is arranged below the elastic structure;
the elastic structure comprises a swing arm (12) rotatably arranged at the end part of the workbench (1), a rotating roller (13) rotatably arranged on one side of the swing arm (12), and an elastic telescopic rod group used for elastically connecting the swing arm (12) and the workbench (1); the movable platform (2) is in rolling fit with the rotary roller (13) when approaching to the elastic structure;
the switch component comprises a fixed contact (21) fixed below the workbench (1) and a movable contact (22) horizontally and movably arranged below the workbench (1) and used for being matched with the fixed contact (21); the moving contact (22) is connected with the lower surface of the workbench (1) through a slider-crank assembly.
2. The automatic power-off structure as claimed in claim 1, wherein the elastic telescopic rod set comprises a sleeve (15) with one end rotatably connected with the workbench (1), a telescopic rod (14) coaxially and slidably arranged at the other end of the sleeve (15), and an elastic member (16) for elastically connecting the telescopic rod (14) and the sleeve (15);
one end of the telescopic rod (14) far away from the sleeve (15) is rotatably connected to the swing arm (12).
3. The automatic power-off structure as claimed in claim 2, wherein a flange is fixed at one end of the insertion sleeve (15) of the telescopic rod (14), the elastic member (16) is sleeved at one section of the insertion sleeve (15) of the telescopic rod (14), one end of the elastic member (16) abuts against the inner wall of the insertion sleeve (15), and the other end abuts against the flange.
4. The automatic power-off structure as claimed in claim 1, wherein the sliding assembly comprises a guide member (4) which is arranged on the side wall of the workbench (1) in a protruding manner along the horizontal direction, and a clamping member (3) which is fixed on the side wall of the movable platform (2) and is in sliding fit with the guide member (4).
5. The automatic power-off structure as claimed in claim 1, wherein the slider-crank assembly comprises a turnover member (17) rotatably disposed below the working table (1), a push rod (20) horizontally movably disposed below the working table (1), and a connecting rod (19) for connecting the push rod (20) and the turnover member (17);
one end of the connecting rod (19) is hinged with the overturning part (17), and the other end of the connecting rod is hinged with the push rod (20).
6. The automatic power-off structure as claimed in claim 5, wherein a torsion spring (18) is further arranged between the turnover member (17) and the workbench (1), a mounting plate is fixed below the workbench (1), the static contact (21) is mounted on the mounting plate, and a rod sleeve slidably sleeved with the push rod (20) horizontally penetrates through the mounting plate; the static contact (21) is fixedly arranged on the push rod (20).
7. An electric automated laser cutting machine, characterized by comprising the automatic power-off structure according to any one of claims 1 to 6, further comprising a driving structure for driving the movable platform (2) to move in a horizontal direction, and a laser assembly disposed above the worktable (1) for cutting a workpiece on the movable platform (2);
the movable platform (2) is provided with a clamping groove (23) for mounting a tool clamp, and a workpiece is fixed on the movable platform (2) through the tool clamp in the clamping groove (23).
8. An electric automated laser cutting machine according to claim 7, characterized in that the driving structure comprises a servo motor (7) mounted under the worktable (1), a winding assembly connected to the output of the servo motor (7), and a traction assembly for connecting the winding assembly to the movable platform (2);
the winding assembly comprises a worm (8) which is rotatably arranged below the workbench (1) and is connected with the output end of the servo motor (7), and a worm wheel (9) which is rotatably arranged at the lower part of the workbench (1) and is meshed with the worm (8); and a winch matched with the traction assembly is coaxially fixed on one side of the worm wheel (9).
9. An electric automatic laser cutting machine according to claim 8, characterized in that said traction assembly comprises a pulley (11) rotatably mounted on the side wall of said work table (1) close to the swing arm (12) and a traction wire (10) passing around said pulley (11) to connect said movable platform (2) to said winch;
and a convex column sleeved with the end part of the traction wire (10) is fixed on the side wall of the movable platform (2), and the other end of the traction wire (10) is fixed and wound on a winch.
10. An electric automated laser cutting machine according to claim 8, characterized in that the laser assembly comprises a power supply (5) fixed above one side of the table (1) by a bracket and a laser emitter (6) mounted below the power supply (5) and directed vertically towards the movable platform (2);
the servo motor (7) and the laser emitter (6) are connected in series, and both are electrically connected with the power supply (5) through a static contact (21) and a movable contact (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011467304.0A CN112536536B (en) | 2020-12-14 | 2020-12-14 | Automatic outage structure and electric automatization laser cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011467304.0A CN112536536B (en) | 2020-12-14 | 2020-12-14 | Automatic outage structure and electric automatization laser cutting machine |
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| Publication Number | Publication Date |
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| CN112536536A CN112536536A (en) | 2021-03-23 |
| CN112536536B true CN112536536B (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011467304.0A Active CN112536536B (en) | 2020-12-14 | 2020-12-14 | Automatic outage structure and electric automatization laser cutting machine |
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| CN109326470A (en) * | 2018-11-20 | 2019-02-12 | 北京明日电器设备有限责任公司 | A kind of bridge-type moving contact double power supply automatic transfer switch |
| CN210730818U (en) * | 2019-09-24 | 2020-06-12 | 郑州市立峰工贸有限公司 | Control device of automatic cutting machine |
| CN211377246U (en) * | 2020-03-04 | 2020-08-28 | 四川瑞霆电力科技有限公司 | High tension switchgear and cubical switchboard integrated state monitoring system |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101393804A (en) * | 2007-09-18 | 2009-03-25 | 施耐德电器工业公司 | Device for controlling the opening and/or closing of the electrical contacts in an electrical apparatus and electrical apparatus containing such a device |
| CN101807485A (en) * | 2010-04-28 | 2010-08-18 | 山东泰开隔离开关有限公司 | Tipping gear used for flip horizontal type isolating switch |
| CN206922310U (en) * | 2017-06-23 | 2018-01-23 | 浙江博为电气有限公司 | A kind of solid insulation cabinet |
| CN108922833A (en) * | 2018-06-20 | 2018-11-30 | 国网山东省电力公司滨州市沾化区供电公司 | A kind of mechanical switch separating brake actuating mechanism |
| CN109326470A (en) * | 2018-11-20 | 2019-02-12 | 北京明日电器设备有限责任公司 | A kind of bridge-type moving contact double power supply automatic transfer switch |
| CN210730818U (en) * | 2019-09-24 | 2020-06-12 | 郑州市立峰工贸有限公司 | Control device of automatic cutting machine |
| CN211377246U (en) * | 2020-03-04 | 2020-08-28 | 四川瑞霆电力科技有限公司 | High tension switchgear and cubical switchboard integrated state monitoring system |
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|---|---|
| CN112536536A (en) | 2021-03-23 |
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