CN108565764B - Five-prevention interlocking device and insulating ring main unit - Google Patents
Five-prevention interlocking device and insulating ring main unit Download PDFInfo
- Publication number
- CN108565764B CN108565764B CN201810636209.5A CN201810636209A CN108565764B CN 108565764 B CN108565764 B CN 108565764B CN 201810636209 A CN201810636209 A CN 201810636209A CN 108565764 B CN108565764 B CN 108565764B
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- Prior art keywords
- interlocking
- rod
- locking
- door
- assembly
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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
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
- H01H2009/265—Interlocking, locking, or latching mechanisms for interlocking two or more switches with interlocking of more than two switches
Abstract
The invention provides a five-prevention interlocking device and an insulating ring main unit, and relates to the technical field of electrical equipment; the transverse swinging rod is rotationally connected with the bracket through a first transverse rotating shaft, and the cabinet door interlocking rod is rotationally connected with the transverse swinging rod through a second transverse rotating shaft; the first locking component is respectively connected with the cabinet door interlocking rod and the middle door, and the second locking component is respectively connected with the cabinet door interlocking rod and the lower door; the driving component is in transmission connection with the yaw rod, and the driving component is used for driving the transverse swing rod to swing around the axis of the first transverse rotating shaft, and the yaw rod drives the cabinet door interlocking rod to slide along the length direction of the cabinet door interlocking rod relative to the bracket, so that the first locking component and the second locking component are simultaneously locked or unlocked. The five-prevention interlocking device provided by the invention can be used for relieving the technical problem that the five-prevention interlocking device in the related art locks a single cabinet door.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to a five-prevention interlocking device and an insulating ring main unit.
Background
The ring main unit is an electrical device with a group of high-voltage switch devices arranged in a steel plate metal cabinet body or made into an assembled interval ring main unit, and the core part of the ring main unit adopts a load switch and a fuse, has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like, and is provided with five-prevention interlocking for improving the safety.
The five-prevention interlocking is mainly used for preventing misoperation of electrical equipment from causing injury to operators, and generally, the five-prevention interlocking is mainly used for locking a single cabinet door.
Disclosure of Invention
The first aspect of the invention provides a five-prevention interlocking device, which is used for relieving the technical problem that the five-prevention interlocking device in the related art locks a single cabinet door.
The invention provides a five-prevention interlocking device which comprises a bracket, a driving assembly, a transverse swinging rod, a cabinet door interlocking rod, a first locking assembly and a second locking assembly, wherein the bracket is arranged on the bracket;
the cabinet door interlocking rod is rotationally connected with the yaw rod through a second transverse rotating shaft and is in sliding connection with the bracket; the first locking component is respectively connected with the cabinet door interlocking rod and the middle door, and the second locking component is respectively connected with the cabinet door interlocking rod and the lower door;
the driving assembly is in transmission connection with the yaw rod, the driving assembly is used for driving the yaw rod to swing around the axis of the first transverse rotating shaft, and the yaw rod drives the cabinet door interlocking rod to slide along the length direction of the cabinet door interlocking rod relative to the support, so that the first locking assembly and the second locking assembly are locked or unlocked simultaneously.
Further, the driving assembly comprises a cam and a first elastic piece, the cam is rotationally connected with the bracket through a cam rotating shaft, and the first elastic piece is respectively connected with the bracket and the yaw bar;
the outer peripheral surface of the cam is in contact with the yaw bar and is used for driving the yaw bar to swing along a first direction around the axis of the first transverse rotating shaft, and when the yaw bar swings along the first direction, the first elastic piece enables the yaw bar to have a tendency to swing along a second direction around the first transverse rotating shaft.
Further, the cam and the first elastic member are positioned on the same side of the yaw bar.
Further, the first locking assembly comprises a first locking ring and a first locking plate, the first locking ring is fixedly connected to the cabinet door locking rod, one end of the first locking plate is connected with the middle door, and the other end of the first locking plate penetrates through the first locking ring.
Further, the second locking assembly comprises a second locking ring and a second locking plate, the second locking ring is fixedly connected to the cabinet door locking rod, one end of the second locking plate is connected with the lower door, and the other end of the second locking plate penetrates through the second locking ring.
Further, the bracket is provided with an operation hole, the five-prevention interlocking device further comprises an operation hole interlocking assembly, and the operation hole interlocking assembly comprises a first interlocking baffle, a second interlocking baffle, a first transmission assembly and a second transmission assembly;
the first interlocking baffle is arranged opposite to the second interlocking baffle, the first end of the first transmission assembly is connected with the first interlocking baffle, and the second end of the first transmission assembly is detachably connected with the middle door;
the first end of the second transmission assembly is connected with the second interlocking baffle, and the second end of the second transmission assembly is detachably connected with the lower door.
Further, the first transmission assembly comprises a first transmission rod and a second elastic piece, the support is provided with a support plate, the first transmission rod penetrates through the support plate and is connected with the first interlocking baffle, the second elastic piece is located between the first interlocking baffle and the support plate, the middle door pulls the first interlocking baffle away from the operation hole through the first transmission rod, and the second elastic piece enables the first interlocking baffle to have a movement trend opposite to the operation hole.
Further, the second transmission assembly comprises a second transmission rod, a third elastic piece and an interlocking longitudinal rod, the second transmission rod penetrates through the supporting plate and is connected with the second interlocking baffle, the third elastic piece is located between the second interlocking baffle and the supporting plate, one end of the interlocking longitudinal rod is connected with the second transmission rod, the other end of the interlocking longitudinal rod is opposite to the lower door, the lower door pulls the second interlocking baffle to be far away from the operation hole through the interlocking longitudinal rod and the second transmission rod, and the third elastic piece enables the second interlocking baffle to have a movement trend opposite to the operation hole.
Further, the second transmission assembly further comprises a first interlocking cross rod and a second interlocking cross rod, the middle part of the first interlocking cross rod is rotationally connected with the bracket through a first interlocking rotating shaft, the second transmission rod is rotationally connected with the first end of the first interlocking cross rod, and the interlocking longitudinal rod is rotationally connected with the second end of the first interlocking cross rod;
the second interlocking cross rod is opposite to the lower door and is in rotary connection with the support through a second interlocking rotary shaft, the interlocking longitudinal rod is in rotary connection with the first end of the second interlocking cross rod, and the lower door drives the second interlocking cross rod to swing around the axis of the second interlocking rotary shaft through the second end of the second interlocking cross rod.
The second aspect of the invention provides an insulating ring main unit to relieve the technical problem that five-prevention interlocking in the related art locks a single cabinet door.
The insulating ring main unit comprises a cabinet frame, a middle door, a lower door and the five-prevention interlocking device, wherein the middle door and the lower door are both detachably connected to the cabinet frame, and the five-prevention interlocking device is connected to the cabinet frame and used for simultaneously locking or unlocking the middle door and the lower door.
According to the five-prevention interlocking device and the insulating ring main unit, when the five-prevention interlocking device is used for locking a cabinet door, the driving assembly drives the transverse swinging rod to swing around the axis of the first transverse rotating shaft along the first direction, the transverse swinging rod drives the cabinet door interlocking rod to move downwards, and the first locking assembly and the second locking assembly simultaneously lock the middle door and the lower door; when the cabinet door is opened, the driving assembly drives the transverse swinging rod to swing along the second direction around the axis of the first transverse rotating shaft, the transverse swinging rod drives the cabinet door interlocking rod to move upwards, and the first locking assembly and the second locking assembly simultaneously open the middle door and the lower door. Compared with the related art, the five-prevention interlocking device provided by the invention can realize the simultaneous locking or unlocking of the middle door and the lower door, and is simple in structure and convenient to operate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the related art, the drawings that are required to be used in the description of the embodiments or the related art will be briefly described, and it is apparent that the drawings in the description below are some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.
Fig. 1 is a schematic structural diagram of a five-prevention interlocking device provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an operation hole interlocking assembly of the five-prevention interlocking device according to the first embodiment of the present invention;
fig. 3 is a schematic structural diagram of an operation hole interlocking assembly of the five-prevention interlocking device according to the second embodiment of the present invention.
Icon: 100-bracket; 110-middle door; 111-locking posts; 112-locking groove; 120-lower door; 121-a clamping seat; 130-an operation hole; 210-a cam; 211-station indication board; 220-a first elastic member; 300-a horizontal swing rod; 400-a cabinet door interlocking rod; 500-a first locking assembly; 510-a first locking ring; 520-a first locking plate; 600-a second locking assembly; 610-a second locking ring; 620-a second locking plate; 710—a first interlocking flap; 721-first transmission rod; 810-second interlock tabs; 821-second transmission rod; 822-interlocking longitudinal bars; 823-a first interlocking rail; 824-second interlocking crossbar.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
The five-prevention interlocking device provided by the embodiment of the invention comprises a bracket 100, a driving component, a yaw bar 300, a cabinet door interlocking bar 400, a first locking component 500 and a second locking component 600;
the transverse swinging rod 300 is rotationally connected with the bracket 100 through a first transverse rotating shaft, and the cabinet door interlocking rod 400 is rotationally connected with the transverse swinging rod 300 through a second transverse rotating shaft and is in sliding connection with the bracket 100; the first locking assembly 500 is connected with the cabinet door interlocking lever 400 and the middle door 110, respectively, and the second locking assembly 600 is connected with the cabinet door interlocking lever 400 and the lower door 120, respectively;
the driving component is in transmission connection with the yaw bar 300, and is used for driving the transverse swing bar 300 to swing around the axis of the first transverse rotating shaft, and the transverse swing bar 300 drives the cabinet door interlocking bar 400 to slide along the length direction of the cabinet door interlocking bar 400 relative to the bracket 100, so that the first locking component 500 and the second locking component 600 are simultaneously locked or unlocked.
Further, the driving assembly includes a cam 210 and a first elastic member 220, the cam 210 is rotatably connected with the bracket 100 through a rotation shaft of the cam 210, and the first elastic member 220 is respectively connected with the bracket 100 and the transverse swing rod 300;
the outer circumferential surface of the cam 210 contacts the lateral swing link 300 to drive the lateral swing link 300 to swing in a first direction about the axis of the first lateral rotation shaft, and when the lateral swing link 300 swings in the first direction, the first elastic member 220 causes the yaw link 300 to have a tendency to swing in a second direction about the first lateral rotation shaft.
As shown in fig. 1, the yaw bar 300 is located at the upper part of the cabinet body and is arranged along the horizontal direction, a first end of the yaw bar 300 is rotatably connected with the bracket 100 through a first transverse rotating shaft, a second end of the yaw bar 300 is rotatably connected with the cabinet door interlocking bar 400 through a second transverse rotating shaft, the cam 210 and the first elastic member 220 are opposite to the middle part of the yaw bar 300, and the cam 210 is provided with a station indicator 211, so that the cam 210 can conveniently rotate around the axis of the cam shaft.
When the middle door 110 and the lower door 120 are locked, the horizontal swinging rod 300 rotates around the axis of the first horizontal rotating shaft along the clockwise direction shown in fig. 1 through the cam 210, the first elastic piece 220 generates elastic deformation, the horizontal swinging rod 300 drives the cabinet door interlocking rod 400 to move downwards, and the middle door 110 and the lower door 120 are simultaneously locked through the first locking component 500 and the second locking component 600; when unlocking, the cam 210 is rotated, the acting force of the cam 210 on the yaw bar 300 is removed, the yaw bar 300 rotates around the axis of the first transverse rotating shaft in the anticlockwise direction shown in fig. 1 under the restoring force of the first elastic member 220, the transverse swing bar 300 drives the cabinet door interlock lever 400 to move upwards, and the first locking assembly 500 and the second locking assembly 600 unlock the middle door 110 and the lower door 120 simultaneously. The horizontal swing rod 300 drives the cabinet door interlocking rod 400 to move downwards or upwards under the action of the cam 210 and the first elastic piece 220, so that the locking and unlocking of the middle door 110 and the lower door 120 are realized, and the operation is convenient.
In some embodiments, the cam 210 is located at opposite sides of the lateral swing link 300 from the first elastic member 220, and is used to swing the lateral swing link 300 in different directions about the axis of the first lateral rotation shaft.
In other embodiments, the cam 210 and the first elastic member 220 are located on the same side of the lateral swing link 300.
As shown in fig. 2 and 3, the cam 210 and the first elastic member 220 are both positioned on the upper side of the yaw bar 300, and the cam 210 is positioned on the left side of the first elastic member 220, when the cam 210 swings the yaw bar 300 downward, the first elastic member 220 is stretched, and after the acting force of the cam 210 on the yaw bar 300 is removed, the yaw bar 300 swings upward under the restoring force of the first elastic member 220. The cam 210 and the first elastic member 220 are both arranged above the transverse swinging rod 300, so that the space above the transverse swinging rod 300 is fully utilized, and the space on the lower side of the transverse swinging rod 300 is saved.
In some embodiments, the first locking assembly 500 comprises a first U-shaped buckle fixedly connected to the middle door 110 and having an upward opening, and a second U-shaped buckle fixedly connected to the door interlock lever 400 and having a downward opening; when the cabinet door interlock lever 400 drives the second U-shaped buckle to move downwards, the side wall of the second U-shaped buckle is clamped into the first U-shaped buckle to prevent the first U-shaped buckle from moving upwards, so that the middle door 110 is locked, and when the cabinet door interlock lever 400 drives the second U-shaped buckle to move upwards, the second U-shaped buckle is separated from the first U-shaped buckle to unlock the middle door 110.
In other embodiments, the first locking assembly 500 includes a first locking ring 510 and a first locking plate 520, the first locking ring 510 being fixedly coupled to the cabinet door interlock lever 400, one end of the first locking plate 520 being coupled to the middle door 110, and the other end passing through the first locking ring 510.
As shown in fig. 1, the end surface of the first locking ring 510 is parallel to the end surface of the middle door 110, the axial direction of the opening of the first locking ring 510 is perpendicular to the end surface of the middle door 110, and the first locking plate 520 passes through the opening of the first locking ring 510. When the cabinet door interlock lever 400 drives the first locking ring 510 to move downward, the inner wall of the first locking ring 510 contacts with the upper end surface of the first locking plate 520, preventing the first locking plate 520 from moving upward, thereby locking the middle door 110, and when the cabinet door interlock lever 400 drives the first locking ring 510 to move upward, the inner wall of the first locking ring 510 is separated from the upper end surface of the first locking plate 520, and the first locking plate 520 can move upward in the first locking ring 510, thereby unlocking the middle door 110.
In some embodiments, the first locking assembly 500 comprises a third U-shaped buckle fixedly connected to the lower door 120 and having an upward opening, and a fourth U-shaped buckle fixedly connected to the door interlock lever 400 and having a downward opening; when the cabinet door interlock lever 400 drives the fourth U-shaped buckle to move downwards, the side wall of the fourth U-shaped buckle is clamped into the third U-shaped buckle to prevent the third U-shaped buckle from moving upwards, so that the lower door 120 is locked, and when the cabinet door interlock lever 400 drives the fourth U-shaped buckle to move upwards, the fourth U-shaped buckle is separated from the third U-shaped buckle to unlock the lower door 120.
In this embodiment, the second locking assembly 600 includes a second locking ring 610 and a second locking plate 620, the second locking ring 610 is fixedly connected to the cabinet door locking lever 400, one end of the second locking plate 620 is connected to the lower door 120, and the other end passes through the second locking ring 610.
As shown in fig. 1, the end surface of the second locking ring 610 is parallel to the end surface of the lower door 120, the axial direction of the opening of the second locking ring 610 is perpendicular to the end surface of the lower door 120, and the second locking plate 620 passes through the opening of the second locking ring 610. When the cabinet door interlock lever 400 drives the second locking ring 610 to move downward, the inner wall of the second locking ring 610 contacts the upper end surface of the second locking plate 620, preventing the second locking plate 620 from moving upward, thereby locking the lower door 120, and when the cabinet door interlock lever 400 drives the second locking ring 610 to move upward, the inner wall of the second locking ring 610 is separated from the upper end surface of the second locking plate 620, and the second locking plate 620 can move upward in the second locking ring 610, thereby unlocking the lower door 120.
The above-described structures of the first locking assembly 500 and the second locking assembly 600 are simple, easy to install, and the cabinet door interlock lever 400 simultaneously drives the first locking ring 510 and the second locking ring 610 to move upward or downward, and simultaneously locks or unlocks the middle door 110 and the lower door 120.
Further, the bracket 100 is provided with an operation hole 130, and the five-prevention interlocking device further comprises an operation hole interlocking assembly, wherein the operation hole interlocking assembly comprises a first interlocking baffle 710, a second interlocking baffle 810, a first transmission assembly and a second transmission assembly;
the first interlocking flap 710 is disposed opposite to the second interlocking flap 810, a first end of the first transmission assembly is connected to the first interlocking flap 710, and a second end of the first transmission assembly is detachably connected to the middle door 110;
the first end of the second drive assembly is coupled to the second interlock tab 810 and the second end of the second drive assembly is removably coupled to the lower door 120.
As shown in fig. 2, the first interlocking tab 710 is disposed opposite to the second interlocking tab 810, the first interlocking tab 710 is located between the operation hole 130 and the second interlocking tab 810, when the middle door 110 is opened, the first interlocking tab 710 is opposite to the operation hole 130 to lock the operation hole 130, and when the middle door 110 is closed, the middle door 110 drives the first interlocking tab 710 to move downward through the first transmission assembly, and the first interlocking tab 710 unlocks the operation hole 130; when the lower door 120 is opened, the second interlocking flap 810 shields the operation hole 130, and when the lower door 120 is closed, the lower door 120 moves the second interlocking flap 810 downward through the second transmission assembly, and the second interlocking flap 810 unlocks the operation hole 130. When either the middle door 110 or the lower door 120 is opened, the corresponding interlocking flap shields the operation hole 130, so that a person cannot be grounded by mistake.
Further, the first transmission assembly includes a first transmission rod 721 and a second elastic member, the bracket 100 is provided with a support plate, the first transmission rod 721 passes through the support plate and is connected with the first interlocking tab 710, the second elastic member is positioned between the first interlocking tab 710 and the support plate, the middle door 110 pulls the first interlocking tab 710 away from the operation hole 130 through the first transmission rod 721, and the second elastic member makes the first interlocking tab 710 have a movement tendency opposite to the operation hole 130.
As shown in fig. 2, the first interlocking blocking piece 710 has a first blocking portion and a first connecting portion, the first blocking portion is used for blocking the operation hole 130, the upper end of the first connecting portion is fixedly connected with the first blocking portion, the second end of the first connecting portion passes through the supporting plate to be connected with the upper end of the first transmission rod 721, the second elastic member can be a rubber pad or a coil spring, etc., in this embodiment, the second elastic member is a coil spring, the coil spring is sleeved on the first connecting portion, the upper end of the coil spring contacts with the first blocking portion, and the lower end contacts with the upper end surface of the supporting plate; the lower extreme of first transfer line 721 is equipped with the drive block, and the upper side wall of well door 110 is equipped with the U-shaped mouth, and when locking well door 110, first transfer line 721 is located the U-shaped inslot, and when pulling down well door 110, well door 110 is through first interlock tab 710 of first transfer line 721 downward pulling, and first interlock tab 710 unlocks operation hole 130, and the while second elastic component is compressed, and when opening well door 110, under the effect of second elastic component restoring force, first interlock tab 710 upward movement shelters from operation hole 130. The first transmission assembly includes a first transmission lever 721 and a first interlocking flap 710, and is coupled to the middle door 110 to conveniently block and unlock the operation hole 130, and simultaneously has a simple structure and is convenient to install.
Further, the second transmission assembly includes a second transmission rod 821, a third elastic member and an interlocking longitudinal rod 822, the second transmission rod 821 passes through the support plate and is connected with the second interlocking tab 810, the third elastic member is located between the second interlocking tab 810 and the support plate, one end of the interlocking longitudinal rod 822 is connected with the second transmission rod 821, the other end is opposite to the lower door 120, the lower door 120 pulls the second interlocking tab 810 away from the operation hole 130 through the interlocking longitudinal rod 822 and the second transmission rod 821, and the third elastic member enables the second interlocking tab 810 to have a movement trend opposite to the operation hole 130.
As shown in fig. 2, the second interlocking stop 810 has a second shielding portion and a second connecting portion, the second shielding portion is used for shielding the operation hole 130, the upper end of the second connecting portion is fixedly connected with the second shielding portion, the second end of the second connecting portion passes through the supporting plate to be connected with the upper end of the second transmission rod 821, the third elastic member can be a rubber pad or a coil spring, etc., in this embodiment, the third elastic member is a coil spring, the coil spring is sleeved on the second connecting portion, the upper end of the coil spring contacts with the second shielding portion, and the lower end contacts with the upper end surface of the supporting plate; the upper end of the interlocking vertical rod 822 is connected with the lower end of the second transmission rod 821, the interlocking vertical rod 822 penetrates through the cabinet body, the lower end of the interlocking vertical rod 822 is opposite to the inner wall of the lower door 120, the inner wall of the lower door 120 is provided with the clamping seat 121, and the lower end of the interlocking vertical rod 822 is provided with a transmission piece matched with the clamping seat 121.
When the middle door 110 is pulled downwards, the clamping seat 121 pulls the interlocking longitudinal rod 822 downwards through the power transmission member, the interlocking longitudinal rod 822 pulls the second interlocking baffle 810 downwards through the second transmission rod 821, the second interlocking baffle 810 unlocks the operation hole 130, meanwhile, the third elastic member is compressed, and when the lower door 120 is opened, the second interlocking baffle 810 moves upwards under the action of the restoring force of the third elastic member to shield the operation hole 130. When the middle door 110 is opened, the first interlocking flap 710 moves upward by the restoring force of the second elastic member, shielding the operation hole 130. The second transmission assembly includes a second transmission rod 821, a third elastic member, and an interlocking longitudinal rod 822, and is matched with the lower door 120 to conveniently shield and unlock the operation hole 130, and simultaneously, the structure is simple, and the installation is convenient.
Further, the second transmission assembly further comprises a first interlocking cross rod 823 and a second interlocking cross rod 824, the middle part of the first interlocking cross rod 823 is rotationally connected with the bracket 100 through a first interlocking rotating shaft, the second transmission rod 821 is rotationally connected with the first end of the first interlocking cross rod 823, and the interlocking longitudinal rod 822 is rotationally connected with the second end of the first interlocking cross rod 823;
the second interlocking crossbar 824 is opposite to the lower door 120 and is rotatably connected to the bracket 100 through a second interlocking shaft, and the interlocking longitudinal bar 822 is rotatably connected to a first end of the second interlocking crossbar 824, so that the lower door 120 drives the second interlocking crossbar 824 to swing around an axis of the second interlocking shaft through a second end of the second interlocking crossbar 824.
As shown in fig. 2, a first support is provided on the bracket 100, the middle part of the first interlocking cross bar 823 is rotationally connected with the first support through a first interlocking rotating shaft, a kidney-shaped hole is provided at a first end of the first interlocking cross bar 823, and the second transmission bar 821 passes through the kidney-shaped hole to be matched with a nut, thereby realizing the rotational connection with the first interlocking cross bar 823, and the upper end of the interlocking longitudinal bar 822 is rotationally connected with a second end of the second interlocking cross bar 824; as shown in fig. 3, a second support is provided on the side wall of the cabinet body, the middle part of the second interlocking cross bar 824 is rotatably connected with the second support through a second interlocking rotating shaft, the lower end of the interlocking longitudinal bar 822 is rotatably connected with the first end of the second interlocking cross bar 824, and the clamping seat 121 on the lower door 120 is detachably matched with the second end of the second interlocking cross bar 824. When the lower door 120 is pulled downward, the clamping seat 121 presses down the second end of the second interlocking cross bar 824, and pulls the second interlocking flap 810 downward through the interlocking longitudinal bar 822, the first interlocking cross bar 823 and the second transmission bar 821. The first interlocking cross bar 823 and the second interlocking cross bar 824 are arranged, and the second interlocking baffle 810 is conveniently pulled through rotation of the first interlocking cross bar 823 and the second interlocking cross bar 824 around corresponding interlocking rotating shafts.
Example two
The second embodiment provides an insulating ring main unit to alleviate the technical problem that the five-prevention interlocking in the related art locks against a single cabinet door.
The insulating ring main unit provided by the embodiment of the invention comprises a cabinet frame, a middle door 110, a lower door 120 and the five-prevention interlocking device, wherein the middle door 110 and the lower door 120 are both detachably connected to the cabinet frame, and the five-prevention interlocking device is connected to the cabinet frame and is used for simultaneously locking or unlocking the middle door 110 and the lower door 120.
Specifically, the inner walls of the middle door 110 and the lower door 120 are provided with locking posts 111, the cabinet frame is provided with an L-shaped locking groove 112, and as illustrated by the cooperation of the middle door 110 and the cabinet frame, as shown in fig. 3, when the middle door 110 is locked, the locking posts 111 are positioned at the bottom of the locking groove 112, and the first locking assembly 500 locks to prevent the middle door 110 from moving upwards; the first locking assembly 500 is unlocked, and when the middle door 110 is opened, the middle door 110 is pulled upward, and the locking post 111 is removed from the locking groove 112, thereby unlocking the middle door 110.
When the five-prevention interlocking device and the insulating ring main unit are used for locking a cabinet door, the driving assembly drives the transverse swinging rod 300 to swing along the first direction around the axis of the first transverse rotating shaft, the transverse swinging rod 300 drives the cabinet door interlocking rod 400 to move downwards, and the first locking assembly 500 and the second locking assembly 600 simultaneously lock the middle door 110 and the lower door 120; when the cabinet door is opened, the driving assembly drives the transverse swing rod 300 to swing along the second direction around the axis of the first transverse rotating shaft, the transverse swing rod 300 drives the cabinet door interlocking rod 400 to move upwards, and the first locking assembly 500 and the second locking assembly 600 simultaneously open the middle door 110 and the lower door 120. Compared with the related art, the five-prevention interlocking device provided by the embodiment of the invention can lock or unlock the middle door 110 and the lower door 120 simultaneously, and has a simple structure and convenient operation.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (5)
1. A five-prevention interlocking device, comprising: the cabinet door locking device comprises a bracket, a driving assembly, a transverse swing rod, a cabinet door locking rod, a first locking assembly and a second locking assembly;
the cabinet door interlocking rod is rotationally connected with the yaw rod through a second transverse rotating shaft and is in sliding connection with the bracket; the first locking component is respectively connected with the cabinet door interlocking rod and the middle door, and the second locking component is respectively connected with the cabinet door interlocking rod and the lower door;
the driving assembly is in transmission connection with the yaw rod, the driving assembly is used for driving the yaw rod to swing around the axis of the first transverse rotating shaft, and the yaw rod drives the cabinet door interlocking rod to slide along the length direction of the cabinet door interlocking rod relative to the bracket so as to enable the first locking assembly and the second locking assembly to be locked or unlocked simultaneously;
the driving assembly comprises a cam and a first elastic piece, the cam is rotationally connected with the bracket through a cam rotating shaft, and the first elastic piece is respectively connected with the bracket and the yaw rod;
the outer peripheral surface of the cam is contacted with the yaw bar and is used for driving the yaw bar to swing along a first direction around the axis of the first transverse rotating shaft, and when the yaw bar swings along the first direction, the first elastic piece enables the yaw bar to have a tendency of swinging along a second direction around the first transverse rotating shaft;
the bracket is provided with an operation hole, the five-prevention interlocking device further comprises an operation hole interlocking assembly, and the operation hole interlocking assembly comprises a first interlocking baffle, a second interlocking baffle, a first transmission assembly and a second transmission assembly;
the first interlocking baffle is arranged opposite to the second interlocking baffle, the first end of the first transmission assembly is connected with the first interlocking baffle, and the second end of the first transmission assembly is detachably connected with the middle door;
the first end of the second transmission assembly is connected with the second interlocking baffle, and the second end of the second transmission assembly is detachably connected with the lower door;
the first transmission assembly comprises a first transmission rod and a second elastic piece, the support is provided with a supporting plate, the first transmission rod penetrates through the supporting plate and is connected with the first interlocking baffle, the second elastic piece is positioned between the first interlocking baffle and the supporting plate, the middle door pulls the first interlocking baffle away from the operation hole through the first transmission rod, and the second elastic piece enables the first interlocking baffle to have a movement trend opposite to the operation hole;
the second transmission assembly comprises a second transmission rod, a third elastic piece and an interlocking longitudinal rod, the second transmission rod passes through the supporting plate and is connected with the second interlocking baffle, the third elastic piece is positioned between the second interlocking baffle and the supporting plate, one end of the interlocking longitudinal rod is connected with the second transmission rod, the other end of the interlocking longitudinal rod is opposite to the lower door, the lower door pulls the second interlocking baffle to be far away from the operation hole through the interlocking longitudinal rod and the second transmission rod, and the third elastic piece enables the second interlocking baffle to have a movement trend opposite to the operation hole;
the second transmission assembly further comprises a first interlocking cross rod and a second interlocking cross rod, the middle part of the first interlocking cross rod is rotationally connected with the bracket through a first interlocking rotating shaft, the second transmission rod is rotationally connected with the first end of the first interlocking cross rod, and the interlocking longitudinal rod is rotationally connected with the second end of the first interlocking cross rod;
the second interlocking cross rod is opposite to the lower door and is in rotary connection with the support through a second interlocking rotary shaft, the interlocking longitudinal rod is in rotary connection with the first end of the second interlocking cross rod, and the lower door drives the second interlocking cross rod to swing around the axis of the second interlocking rotary shaft through the second end of the second interlocking cross rod.
2. The five-way interlock of claim 1 wherein the cam is on the same side of the yaw bar as the first resilient member.
3. The five-prevention interlocking device according to claim 1, wherein the first locking assembly comprises a first locking ring and a first locking plate, the first locking ring is fixedly connected to the cabinet door interlocking rod, one end of the first locking plate is connected with the middle door, and the other end of the first locking plate penetrates through the first locking ring.
4. The five-prevention interlocking device according to claim 1, wherein the second locking assembly comprises a second locking ring and a second locking plate, the second locking ring is fixedly connected to the cabinet door interlocking rod, one end of the second locking plate is connected with the lower door, and the other end of the second locking plate penetrates through the second locking ring.
5. An insulating ring main unit, characterized by comprising: the five-prevention interlocking device comprises a cabinet frame, a middle door, a lower door and any one of claims 1-4, wherein the middle door and the lower door are both detachably connected to the cabinet frame, and the five-prevention interlocking device is connected to the cabinet frame and used for simultaneously locking or unlocking the middle door and the lower door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810636209.5A CN108565764B (en) | 2018-06-19 | 2018-06-19 | Five-prevention interlocking device and insulating ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810636209.5A CN108565764B (en) | 2018-06-19 | 2018-06-19 | Five-prevention interlocking device and insulating ring main unit |
Publications (2)
| Publication Number | Publication Date |
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| CN108565764A CN108565764A (en) | 2018-09-21 |
| CN108565764B true CN108565764B (en) | 2023-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810636209.5A Active CN108565764B (en) | 2018-06-19 | 2018-06-19 | Five-prevention interlocking device and insulating ring main unit |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112670118B (en) * | 2020-12-04 | 2022-09-30 | 河南平高通用电气有限公司 | Looped netowrk is ground connection interlocking device and looped netowrk cabinet for cabinet |
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| CN201726041U (en) * | 2010-05-07 | 2011-01-26 | 大全集团有限公司 | Grounding switch interlocking device |
| WO2013097175A1 (en) * | 2011-12-30 | 2013-07-04 | Abb Technology Ltd. | Mechanical interlock device among cable door, rear door and earthing switch |
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| CN108565764A (en) | 2018-09-21 |
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