CN114242484B - Integrated interlocking mechanism for ring main unit - Google Patents
Integrated interlocking mechanism for ring main unit Download PDFInfo
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- CN114242484B CN114242484B CN202111554084.XA CN202111554084A CN114242484B CN 114242484 B CN114242484 B CN 114242484B CN 202111554084 A CN202111554084 A CN 202111554084A CN 114242484 B CN114242484 B CN 114242484B
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- block
- inserting rod
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- 241000238565 lobster Species 0.000 claims description 20
- 238000010586 diagram Methods 0.000 description 5
- 244000309464 bull Species 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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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
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
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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
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention relates to an integral interlocking mechanism for a ring main unit, which comprises an upper locking assembly, a lower locking assembly and a locking assembly, wherein the lower locking assembly comprises a fixed pipe, a first fixed block, a first connecting block, a first inserting rod, a first spring and a pulling plate, the upper locking assembly comprises a second fixed block, a second connecting block, a second inserting rod, a second spring and a pulling block, the locking assembly comprises a limiting unit and a pulling unit, the integral interlocking mechanism for the ring main unit realizes the locking of a lower cabinet door through the lower locking assembly, the upper locking assembly realizes the locking of the upper cabinet door, the locking assembly enables the lower cabinet door to be opened, the upper cabinet door can be opened after the lower cabinet door is opened, the safety is improved, the opening step of the upper cabinet door is increased through the pulling unit, the false opening of the upper cabinet door is better avoided, the safety is further improved, and the pulling force required when the upper cabinet door is opened is increased through the elastic restoring force of a pulling rope, so that the false opening is better avoided, and the practicability is improved.
Description
Technical Field
The invention relates to an integral interlocking mechanism for a 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, the core part of the ring main unit adopts a load switch and a fuse, a mechanical interlocking device is arranged between a grounding switch and a front panel, and the grounding switch and the load switch are generally arranged in two cabinet doors respectively.
When the existing mechanical interlocking mechanism is used, after the cabinet door of the grounding switch is opened, the locking mechanism on the upper cabinet door is unlocked, then under simple operation, the opening of the cabinet door of the load switch can be realized generally, multilayer protection is not used generally, safety is not high, and the spring is reset through the restoring force of the spring generally, after the spring is used for a long time, the elastic restoring force of the spring is weakened, so that the force required to be used when the spring is opened is smaller, the cabinet door is opened more easily, and error opening can be caused.
Disclosure of Invention
The invention aims to solve the technical problems that: in order to overcome the defects in the prior art, an integrated interlocking mechanism for a ring main unit is provided.
The technical scheme adopted for solving the technical problems is as follows: an integrated interlocking mechanism for a ring main unit comprises an upper locking assembly, a lower locking assembly and a locking assembly, wherein the upper locking assembly is connected with the lower locking assembly through the locking assembly;
the lower locking assembly comprises a fixed pipe, a first fixed block, a first connecting block, a first inserting rod, a first spring and a pulling plate, wherein the fixed pipe is arranged on the cabinet body through a bolt, a vertical sliding groove is formed in the fixed pipe, one end of the pulling plate is positioned in the fixed pipe, the other end of the pulling plate extends out of the sliding groove, the pulling plate is in sliding connection with the sliding groove, one end of the first inserting rod is positioned in the fixed pipe and is connected with the pulling plate, the other end of the first inserting rod extends out of the fixed pipe, the first spring is sleeved on the first inserting rod, the first spring is positioned in the fixed pipe, one end of the first spring is connected with the fixed pipe, the other end of the first spring is connected with the pulling plate, the first fixed block is arranged on one side, close to the first inserting rod, of the first fixed block is arranged on the cabinet body through a bolt, the first connecting block is arranged on a cabinet door below through the bolt, the first connecting block is positioned on one side, far away from the fixed pipe, and the first connecting block sequentially penetrates through the first inserting rod and the first connecting block;
the upper portion locking assembly comprises a second fixed block, a second connecting block, a second inserting rod, a second spring and a pull block, wherein the second fixed block is arranged on one side, far away from the first fixed block, of the fixed pipe, the second fixed block is fixed on the cabinet body through bolts, the second connecting block is arranged between the second fixed block and the fixed pipe, the second connecting block is fixed on a cabinet door above through bolts, one end of the second inserting rod is located in the fixed pipe, the other end of the second inserting rod extends out of the fixed pipe, the second inserting rod sequentially penetrates through the second connecting block and the second fixed block, the pull block is arranged on one end, far away from the fixed pipe, of the second inserting rod, one end of the second spring is connected with the pull block in a sleeved mode, and the other end of the second spring is connected with the second fixed block.
Preferably, the locking assembly comprises a limiting unit and a pulling unit, the limiting unit comprises a moving plate, a limiting block, a rotating rod and a clamping rod, the moving plate is arranged on the pulling plate, the moving plate is located on one side, away from the first spring, of the pulling plate, the limiting block is arranged on the moving plate and is provided with a groove, the section of the groove is isosceles triangle, chamfer angles are arranged on two sides of the groove, one end of the rotating rod is hinged to one end, located in a fixed pipe, of the second inserting rod, a torsion spring is arranged at the hinged position of the rotating rod and the second inserting rod, the clamping rod is arranged at one end, away from the second inserting rod, of the rotating rod, the clamping rod is located in the groove, the clamping rod abuts against the bottom of the groove, and the rotating rod is connected with the pulling plate through the pulling unit.
Here clamping rod card is in the recess on the stopper, when cabinet door does not open down, the pulling draws the piece, draws piece drive second inserted bar and removes, and second inserted bar drive clamping rod removes, and clamping rod drive stopper removes, and when the stopper removed to the fixed pipe top, blocked by the fixed pipe, the stopper can't remove to make the clamping rod unable remove, thereby make the unable removal of second inserted bar, thereby make first linkage piece unable rotation, thereby when making cabinet door under do not open, go up the cabinet door and can't open all the time, improved the security.
When the upper cabinet door is required to be opened, the pull plate is pulled to open the lower cabinet door, the pull plate moves, the moving plate moves, the limiting block is driven to move, when the lower cabinet door is opened at the moment, the moving distance of the pull plate is smaller than the depth of the groove, so that the clamping rod is still left in the groove, the upper cabinet door cannot be opened, after the lower cabinet door is opened, the pull plate is pulled up continuously, the limiting block continues to move upwards, so that the clamping rod moves out of the groove, the torsion spring at the hinge position of the rotating rod and the second inserting rod is in a deformation state, the rotating rod rotates to one side under the action of the restoring force of the torsion spring, so that the clamping rod rotates out of the groove, then slides to one side of the limiting block along the chamfer on the limiting block, the clamping rod cannot be blocked by the limiting block, and then the pull block is pulled, so that the second inserting rod and the rotating rod move out of the second connecting block simultaneously, and the locking state of the upper cabinet door is relieved, and the upper cabinet door can be opened.
Preferably, the pulling unit comprises a pull rope, a fixing ring and a lobster buckle, the fixing ring is arranged on the rotating rod, the lobster buckle is sleeved on the fixing ring, one end of the pull rope is connected with the lobster buckle, and the other end of the pull rope extends out of the fixing pipe to be connected with the pull plate.
Here along with the upward movement of arm-tie, arm-tie drive stay cord upward movement, thereby make the distance between arm-tie and the second locating wheel increase, thereby make the distance between bull stick and the first locating wheel diminish, thereby make stay cord pulling bull stick offset towards one side of lobster knot, thereby make the better recess of shifting out of card pole, the stay cord is the elastic cord here, card pole is when in the recess, the card pole receives the jam of recess, unable removal, thereby make the stay cord tensile, the elastic restoring force of stay cord makes the pulling force increase to the arm-tie, thereby make the arm-tie only use enough strength to just can open under the operating personnel, thereby the strength when having increased to open, better avoid the mistake to open, the security has been improved, and after the bull stick shifts out the fixed pipe, need take off lobster knot by solid fixed ring earlier, thereby make the bull stick can shift out the second connecting block, the step of opening has been increased, the security has further been improved.
Preferably, the pull rope is provided with a positioning unit, the positioning unit comprises a first positioning wheel and a second positioning wheel, the first positioning wheel and the second positioning wheel are arranged on the same side of the fixed pipe, the first positioning wheel is flush with the fixed ring, the second positioning wheel is located under the pull plate, and the pull rope sequentially bypasses the first positioning wheel and the second positioning wheel.
Preferably, a stop lever is arranged at one end, far away from the pull plate, of the first inserted link, the stop lever is hinged with the first inserted link, and a torsion spring is arranged at the hinged position of the stop lever and the first inserted link.
Preferably, a wedge block is arranged on one side, far away from the pull plate, of the limiting block.
When locked again, the rotating rod can reversely rotate along the inclined surface of the wedge block, so that the rotating rod can move into the groove better.
Preferably, a fixing column is arranged at the top of the fixing tube.
After the lobster buckles are taken down, the lobster buckles are buckled on the fixed column, so that the lobster buckles are prevented from falling into the fixed pipe.
The integral interlocking mechanism for the ring main unit has the beneficial effects that the lower cabinet door is locked through the lower locking component, the upper cabinet door is locked through the upper locking component, and the upper locking component is limited through the locking component, so that the upper cabinet door can be opened after the lower cabinet door is opened, the safety is improved, the opening step of the upper cabinet door is increased through the pulling unit, the false opening of the upper cabinet door is better avoided, the safety is further improved, and the pulling force required by the opening of the upper cabinet door is increased through the elastic restoring force of the pull rope, so that the false opening is better avoided, and the practicability is improved.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of an integral interlock mechanism for a ring main unit of the present invention;
FIG. 2 is a schematic diagram of an integral interlock mechanism for a ring main unit of the present invention;
FIG. 3 is a schematic diagram of the lower locking assembly of the integrated interlock mechanism for a ring main unit of the present invention;
FIG. 4 is a schematic diagram of the upper locking assembly of the integral interlock mechanism for a ring main unit of the present invention;
FIG. 5 is a schematic diagram of a limiting unit for an integral interlock mechanism of a ring main unit according to the present invention;
fig. 6 is an enlarged view of a portion a of fig. 1;
in the figure: 1. the fixed pipe, 2, a first fixed block, 3, a first connecting block, 4, a first inserting rod, 5, a first spring, 6, a pull plate, 7, a second fixed block, 8, a second connecting block, 9, a second inserting rod, 10, a second spring, 11, a pull block, 12, a movable plate, 13, a limiting block, 14, a rotating rod, 15, a clamping rod, 16, a pull rope, 17, a fixed ring, 18, a lobster buckle, 19, a first positioning wheel, 20, a second positioning wheel, 21, a stop lever, 22, a wedge block and 23, and a fixed column.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
As shown in fig. 1, an integral interlocking mechanism for a ring main unit comprises an upper locking assembly, a lower locking assembly and a locking assembly, wherein the upper locking assembly is connected with the lower locking assembly through the locking assembly;
as shown in fig. 2-3, the lower locking component comprises a fixed pipe 1, a first fixed block 2, a first connecting block 3, a first inserting rod 4, a first spring 5 and a pull plate 6, wherein the fixed pipe 1 is arranged on a cabinet body through a bolt, a vertical sliding groove is formed in the fixed pipe 1, one end of the pull plate 6 is positioned in the fixed pipe 1, the other end of the pull plate 6 extends out of the sliding groove, the pull plate 6 is in sliding connection with the sliding groove, one end of the first inserting rod 4 is positioned in the fixed pipe 1 and is connected with the pull plate 6, the other end of the first inserting rod 4 extends out of the fixed pipe 1, the first spring 5 is sleeved on the first inserting rod 4, the first spring 5 is positioned in the fixed pipe 1, one end of the first spring 5 is connected with the fixed pipe 1, the other end of the first spring 5 is connected with the pull plate 6, the first fixed block 2 is arranged on one side of the fixed pipe 1, which is close to the first inserting rod 4, the first fixed block 2 is arranged on the cabinet body through the bolt, the other end of the first inserting rod 2 extends out of the fixed pipe 1, the other end of the first connecting block 3 is positioned below the first connecting block 3 and passes through the first connecting block 2 and penetrates through the first connecting block 2, and is positioned on one side of the fixed pipe 2, which is positioned on one side 2 in turn;
the cabinet door of here below is interior for earthing switch, be load switch in the cabinet door of top, when the cabinet door of top needs to be opened, need open the cabinet door of below earlier, pulling arm-tie 6, arm-tie 6 drives first inserted bar 4 and removes, make first inserted bar 4 shift out by first connecting block 3, thereby make first connecting block 3 receive not blockking, can rotate first connecting block 3, thereby open the cabinet door of earthing switch department, here pin 21 is perpendicular with first inserted bar 4, thereby make pin 21 block first connecting block 3, avoid first inserted bar 4 to open by mistake, simultaneously when opening, the pulling force needs be greater than the sum of the restoring force of first spring 5 and pin 21 department torsional spring, just can make first inserted bar 4 shift out first connecting block 3, the security has been improved.
As shown in fig. 4, the upper locking assembly comprises a second fixing block 7, a second connecting block 8, a second inserting rod 9, a second spring 10 and a pull block 11, wherein the second fixing block 7 is arranged on one side, far away from the first fixing block 2, of the fixing tube 1, the second fixing block 7 is fixed on the cabinet body through bolts, the second connecting block 8 is arranged between the second fixing block 7 and the fixing tube 1, the second connecting block 8 is fixed on a cabinet door above through bolts, one end of the second inserting rod 9 is positioned in the fixing tube 1, the other end of the second inserting rod 9 extends out of the fixing tube 1, the second inserting rod 9 sequentially penetrates through the second connecting block 8 and the second fixing block 7, the pull block 11 is arranged on one end, far away from the fixing tube 1, of the second inserting rod 9, the second spring 10 is sleeved on the second inserting rod 9, one end of the second spring 10 is connected with the pull block 11, and the other end of the second spring 10 is connected with the second fixing block 7.
When the upper cabinet door needs to be opened, the pull block 11 is pulled, and the pull block 11 pulls the second inserting rod 9 to move, so that the second inserting rod 9 moves out of the second connecting block 8, and the second connecting block 8 can be rotated, and the upper cabinet door is opened.
As shown in fig. 5, preferably, the locking assembly comprises a limiting unit and a pulling unit, the limiting unit comprises a moving plate 12, a limiting block 13, a rotating rod 14 and a clamping rod 15, the moving plate 12 is arranged on the pulling plate 6, the moving plate 12 is located on one side, far away from the first spring 5, of the pulling plate 6, the limiting block 13 is arranged on the moving plate 12, a groove is formed in the limiting block 13, the cross section of the groove is isosceles triangle, chamfers are formed on two sides of the groove, one end of the rotating rod 14 is hinged with one end, located in the fixed tube 1, of the second inserting rod 9, a torsion spring is arranged at the hinged position of the rotating rod 14 and the second inserting rod 9, the clamping rod 15 is arranged at one end, far away from the second inserting rod 9, of the clamping rod 15 is located in the groove, the clamping rod 15 abuts against the bottom of the groove, and the rotating rod 14 is connected with the pulling plate 6 through the pulling unit.
Here clamping rod 15 card is in the recess on stopper 13, when cabinet door does not open, pulling pull piece 11, pull piece 11 drive second inserted bar 9 removes, second inserted bar 9 drive clamping rod 15 removes, clamping rod 15 drive stopper 13 removes, stopper 13 removes to fixed pipe 1 top time, blocked by fixed pipe 1, stopper 13 unable removal, thereby make clamping rod 15 unable removal, thereby make second inserted bar 9 unable removal, thereby make first linkage piece 3 unable rotation, thereby when making lower cabinet door unopened, go up the cabinet door and unable opening all the time, the security has been improved.
When the upper cabinet door needs to be opened, the pull plate 6 is pulled to open the lower cabinet door, the pull plate 6 moves, the moving plate 12 drives the limiting block 13 to move, when the lower cabinet door is opened at the moment, the moving distance of the pull plate 6 is smaller than the depth of the groove, so that the clamping rod 15 still stays in the groove, the upper cabinet door cannot be opened, after the lower cabinet door is opened, the pull plate 6 is pulled upwards continuously, the limiting block 13 moves upwards continuously, so that the clamping rod 15 moves out of the groove, at the moment, the torsion spring at the hinge joint of the rotating rod 14 and the second inserting rod 9 is in a deformation state, the rotating rod 14 rotates towards one side under the action of restoring force of the torsion spring, so that the clamping rod 15 rotates out of the groove, then slides to one side of the limiting block 13 along the chamfer on the limiting block 13, the clamping rod 15 is blocked by the limiting block 13, the second inserting rod 9 and the rotating rod 14 are pulled to move out of the second connecting block 8 simultaneously, so that the locking state of the upper cabinet door is released, and the upper cabinet door can be opened.
As shown in fig. 6, preferably, the pulling unit includes a pull rope 16, a fixing ring 17 and a lobster buckle 18, the fixing ring 17 is arranged on the rotating rod 14, the lobster buckle 18 is sleeved on the fixing ring 17, one end of the pull rope 16 is connected with the lobster buckle 18, and the other end of the pull rope 16 extends out of the fixing tube 1 to be connected with the pull plate 6.
Here, along with the upward movement of the pull plate 6, the pull plate 6 drives the pull rope 16 to move upwards, thereby the distance between the pull plate 6 and the second positioning wheel 20 is increased, and thus the distance between the rotating rod 14 and the first positioning wheel 19 is reduced, and thus the pull rope 16 pulls the rotating rod 14 to deviate towards one side of the lobster buckle 18, and thus the clamping rod 15 is better moved out of the groove, and the pull rope 16 is an elastic rope, when the clamping rod 15 is in the groove, the clamping rod 15 is blocked by the groove and cannot move, and thus the pull rope 16 stretches, the elastic restoring force of the pull rope 16 enables the pulling force on the pull plate 6 to be increased, and therefore the pull plate 6 can be opened only under enough force by an operator, and thus the force during opening is increased, error opening is better avoided, safety is improved, and when the rotating rod 14 is moved out of the fixed pipe 1, the lobster buckle 18 is required to be taken down from the fixed ring 17, and thus the rotating rod 14 can be moved out of the second connecting block 8, and the opening step is increased, and safety is further improved.
Preferably, the pull rope 16 is provided with a positioning unit, the positioning unit comprises a first positioning wheel 19 and a second positioning wheel 20, the first positioning wheel 19 and the second positioning wheel 20 are arranged on the same side of the fixed pipe 1, the first positioning wheel 19 is flush with the fixed ring 17, the second positioning wheel 20 is located under the pull plate 6, and the pull rope 16 sequentially bypasses the first positioning wheel 19 and the second positioning wheel 20.
Preferably, a stop lever 21 is arranged at one end of the first inserting rod 4 far away from the pulling plate 6, the stop lever 21 is hinged with the first inserting rod 4, and a torsion spring is arranged at the hinged position of the stop lever 21 and the first inserting rod 4.
Preferably, a wedge 22 is provided on the side of the limiting block 13 away from the pulling plate 6.
When locked again, the rotating rod 14 will rotate in the opposite direction along the inclined surface of the wedge 22, thereby allowing the rotating rod 14 to move better into the groove.
Preferably, a fixing column 23 is arranged at the top of the fixing tube 1.
After the lobster clasp 18 is taken down, the lobster clasp 18 is clasped on the fixed post 23, thereby preventing the lobster clasp 18 from falling into the fixed tube 1.
Compared with the prior art, this an integral type interlocking device for looped netowrk cabinet realizes the locking of cabinet door down through lower part locking Assembly, realizes the locking of cabinet door through upper portion locking Assembly, carries out spacingly through locking Assembly to upper portion locking Assembly for after the cabinet door is opened down, can just make the cabinet door open, improved the security, increased the step of opening of cabinet door through pulling unit, realized double insurance, better avoided the mistake of cabinet door to open, further improved the security, and through the elastic restoring force of stay cord 16, the pulling force that needs when having increased the cabinet door and opening, thereby better avoided the mistake to open, the practicality has been improved.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (6)
1. The integral interlocking mechanism for the ring main unit is characterized by comprising an upper locking assembly, a lower locking assembly and a locking assembly, wherein the upper locking assembly is connected with the lower locking assembly through the locking assembly;
the lower part locking assembly comprises a fixed pipe (1), a first fixed block (2), a first connecting block (3), a first inserting rod (4), a first spring (5) and a pulling plate (6), wherein the fixed pipe (1) is arranged on a cabinet body through a bolt, a vertical sliding groove is formed in the fixed pipe (1), one end of the pulling plate (6) is located in the fixed pipe (1), the other end of the pulling plate (6) extends out of the sliding groove, the pulling plate (6) is in sliding connection with the sliding groove, one end of the first inserting rod (4) is located in the fixed pipe (1) and is connected with the pulling plate (6), the other end of the first inserting rod (4) extends out of the fixed pipe (1), the first spring (5) is sleeved on the first inserting rod (4), the first spring (5) is located in the fixed pipe (1), one end of the first spring (5) is connected with the fixed pipe (1), the other end of the first spring (5) is connected with the pulling plate (6), the first inserting rod (4) is located on one side of the fixed pipe (1) close to the first connecting block (2) and is arranged on one side of the fixed pipe (2) through the first connecting block (3) and is far away from the fixed pipe (1), the first inserting rod (4) sequentially penetrates through the first fixing block (2) and the first connecting block (3);
the upper locking assembly comprises a second fixing block (7), a second connecting block (8), a second inserting rod (9), a second spring (10) and a pull block (11), wherein the second fixing block (7) is arranged on one side, far away from the first fixing block (2), of the fixing pipe (1), the second fixing block (7) is fixed on the cabinet body through a bolt, the second connecting block (8) is arranged between the second fixing block (7) and the fixing pipe (1), the second connecting block (8) is fixed on a cabinet door above through the bolt, one end of the second inserting rod (9) is positioned in the fixing pipe (1), the other end of the second inserting rod (9) stretches out of the fixing pipe (1), the second inserting rod (9) sequentially penetrates through the second connecting block (8) and the second fixing block (7), the pull block (11) is arranged on one end, far away from the fixing pipe (1), of the second inserting rod (9) is sleeved on the second spring (10), and the other end of the second inserting rod (9) is connected with the second spring (10);
the locking assembly comprises a limiting unit and a pulling unit, the limiting unit comprises a moving plate (12), a limiting block (13), a rotating rod (14) and a clamping rod (15), the moving plate (12) is arranged on the pulling plate (6), the moving plate (12) is located on one side, far away from the first spring (5), of the pulling plate (6), the limiting block (13) is arranged on the moving plate (12), a groove is formed in the limiting block (13), the cross section of the groove is isosceles triangle, chamfers are formed in two sides of the groove, one end of the rotating rod (14) is hinged to one end, located in the fixed tube (1), of the second inserting rod (9), a torsion spring is arranged at the hinged position of the rotating rod (14) and the second inserting rod (9), the clamping rod (15) is arranged on one end, far away from the second inserting rod (9), of the clamping rod (15) is located in the groove, the bottom of the groove is abutted to the rotating rod (14) and is connected with the pulling plate (6) through the pulling unit.
2. The integrated interlocking mechanism for a ring main unit according to claim 1, wherein the pulling unit comprises a pull rope (16), a fixed ring (17) and a lobster buckle (18), the fixed ring (17) is arranged on the rotating rod (14), the lobster buckle (18) is sleeved on the fixed ring (17), one end of the pull rope (16) is connected with the lobster buckle (18), and the other end of the pull rope (16) extends out of the fixed pipe (1) to be connected with the pull plate (6).
3. The integrated interlocking mechanism for a ring main unit according to claim 2, wherein the pull rope (16) is provided with a positioning unit, the positioning unit comprises a first positioning wheel (19) and a second positioning wheel (20), the first positioning wheel (19) and the second positioning wheel (20) are arranged on the same side of the fixed pipe (1), the first positioning wheel (19) is flush with the fixed ring (17), the second positioning wheel (20) is located under the pull plate (6), and the pull rope (16) sequentially bypasses the first positioning wheel (19) and the second positioning wheel (20).
4. The integrated interlocking mechanism for a ring main unit according to claim 1, wherein a stop lever (21) is arranged at one end of the first inserted link (4) far away from the pull plate (6), the stop lever (21) is hinged with the first inserted link (4), and a torsion spring is arranged at the hinge position of the stop lever (21) and the first inserted link (4).
5. An integral interlocking mechanism for a ring main unit according to claim 1, wherein a wedge (22) is arranged on the side of the limiting block (13) away from the pulling plate (6).
6. The integrated interlocking mechanism for a ring main unit according to claim 1, wherein a fixing column (23) is arranged at the top of the fixing tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111554084.XA CN114242484B (en) | 2021-12-17 | 2021-12-17 | Integrated interlocking mechanism for ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111554084.XA CN114242484B (en) | 2021-12-17 | 2021-12-17 | Integrated interlocking mechanism for ring main unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114242484A CN114242484A (en) | 2022-03-25 |
| CN114242484B true CN114242484B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111554084.XA Active CN114242484B (en) | 2021-12-17 | 2021-12-17 | Integrated interlocking mechanism for ring main unit |
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| Country | Link |
|---|---|
| CN (1) | CN114242484B (en) |
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| CN113135504A (en) * | 2021-04-06 | 2021-07-20 | 刘晓慧 | Steel pipe lifting device for bridge construction |
| CN213810172U (en) * | 2020-10-21 | 2021-07-27 | 江苏顺达机械设备有限公司 | LED street lamp convenient to overhaul |
| CN113566159A (en) * | 2021-07-20 | 2021-10-29 | 广州市越秀区馨静网络科技有限公司 | LED street lamp convenient to overhaul and having lifting function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110539622B (en) * | 2019-08-28 | 2020-12-22 | 常州市斯莱诺汽车科技有限公司 | Pick-up truck cargo tank cover convenient to open and close car cover |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080086611A (en) * | 2007-03-23 | 2008-09-26 | 이상용 | The door the system which locks |
| CN206163975U (en) * | 2016-10-20 | 2017-05-10 | 莱福士电力电子设备（深圳）有限公司 | Cubical switchboard door interlocking device and cubical switchboard |
| CN209029784U (en) * | 2018-11-21 | 2019-06-25 | 亚洲电力设备(深圳)股份有限公司 | A kind of ring network cabinet interlocking mechanism |
| CN213810172U (en) * | 2020-10-21 | 2021-07-27 | 江苏顺达机械设备有限公司 | LED street lamp convenient to overhaul |
| CN113135504A (en) * | 2021-04-06 | 2021-07-20 | 刘晓慧 | Steel pipe lifting device for bridge construction |
| CN113566159A (en) * | 2021-07-20 | 2021-10-29 | 广州市越秀区馨静网络科技有限公司 | LED street lamp convenient to overhaul and having lifting function |
Also Published As
| Publication number | Publication date |
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| CN114242484A (en) | 2022-03-25 |
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