CN117691473B - High protection level looped netowrk cabinet operating device - Google Patents
High protection level looped netowrk cabinet operating device Download PDFInfo
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- CN117691473B CN117691473B CN202311671549.9A CN202311671549A CN117691473B CN 117691473 B CN117691473 B CN 117691473B CN 202311671549 A CN202311671549 A CN 202311671549A CN 117691473 B CN117691473 B CN 117691473B
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- 230000004224 protection Effects 0.000 title claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 230000008531 maintenance mechanism Effects 0.000 claims abstract description 8
- 230000000474 nursing effect Effects 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 50
- 230000001681 protective effect Effects 0.000 claims description 21
- 238000007599 discharging Methods 0.000 claims description 12
- 238000013461 design Methods 0.000 claims description 9
- 239000000314 lubricant Substances 0.000 description 11
- 230000001105 regulatory effect Effects 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009979 protective mechanism Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention relates to the technical field of ring main units, in particular to a high-protection-level ring main unit operating mechanism, which comprises a ring main unit, wherein a manual push rod is arranged on the ring main unit, a protection mechanism is arranged on the protection mechanism, and a maintenance mechanism for nursing the manual push rod is arranged on the protection mechanism; the protection mechanism comprises a fixed seat, an outer protection cover is arranged on the outer side of the fixed seat, the manual push rod is connected with the fixed seat in a penetrating way, a limiting block is arranged on the manual push rod and is movably connected with the outer protection cover.
Description
Technical Field
The invention relates to the technical field of ring main units, in particular to a high-protection-level ring main unit operating mechanism.
Background
The ring network refers to a ring-shaped power distribution network, namely a power supply trunk line forms a closed ring shape, a power supply supplies power to the ring-shaped trunk line, a ring main unit is usually provided with a manual operating mechanism, such as a hand crank, a handle or a pull rod, for manually controlling the switching-on and switching-off of a switch, and an operator switches a knife switch to a required position through physical force;
However, when the manual push rod on the ring main unit is used, because the push forces of different operators are different, an error exists in the depth of pushing the manual push rod when the operator pushes the manual push rod, and once the depth of the manual push rod is too deep or too shallow, misoperation and even potential safety hazards can occur.
Disclosure of Invention
The invention aims to provide a high-protection-level ring main unit operating mechanism, which can protect a manual push rod on one hand, and can set and limit the pushing depth of the manual push rod on the other hand, so that the accuracy of manual operation is ensured, and misoperation even potential safety hazards caused by too deep or too shallow pushing depth of the manual push rod by an operator are avoided.
In order to achieve the above purpose, the present invention provides the following technical solutions: the high-protection-level ring main unit operating mechanism comprises a ring main unit, wherein a manual push rod is arranged on the ring main unit, a protection mechanism is arranged on the protection mechanism, and a maintenance mechanism for nursing the manual push rod is arranged on the protection mechanism; the protection mechanism comprises a fixed seat, an outer protection cover is arranged on the outer side of the fixed seat, the manual push rod is connected with the fixed seat in a penetrating way, a limiting block is arranged on the manual push rod and is movably connected with the outer protection cover, a piston cylinder is arranged in the fixed seat, a piston rod is arranged on the piston cylinder, and the piston rod is movably connected with the limiting block; the protection mechanism comprises a sealing cylinder communicated with the piston cylinder, an I-shaped movable rod is arranged in the sealing cylinder, and the I-shaped movable rod is movably connected with the piston cylinder; the maintenance mechanism comprises a communicating pipe communicated with the piston cylinder, a feeding groove is communicated with the communicating pipe, a discharging pipe is arranged on the feeding groove, and the discharging pipe is positioned on the outer side of the manual push rod.
Optionally, the manual push rod is a plurality of settings on the looped netowrk cabinet, just manual push rod is connected with looped netowrk cabinet internal part.
Optionally, the recess has been seted up to the one end of manual push rod, the restriction piece is at the inside activity of recess, the inside of recess is provided with the extension spring, the extension spring is connected with the restriction piece.
Optionally, fixing base fixed mounting is on the looped netowrk cabinet, be provided with the scale on the fixing base, outer safety cover rotates on the fixing base, just be provided with the pointer on the outer safety cover.
Optionally, be provided with the adjustment tank on the outer protection casing, the adjustment tank is the ladder type design, adjustment tank and restriction piece swing joint.
Optionally, be provided with the couple on the restriction piece, couple and piston rod swing joint, the piston rod is at the inside activity of piston cylinder, be provided with the pressure release hole on the piston cylinder.
Optionally, the seal cylinder sets up on the fixing base, the inside top of seal cylinder is provided with the magnetic path, the magnetic path is connected with I shape movable rod magnetism absorption, be provided with the timing relief valve on the seal cylinder, just the inside of seal cylinder is provided with the check valve.
Optionally, a sealing block is arranged in the sealing cylinder, the sealing block is movably connected with the I-shaped movable rod, and the sealing block is movably connected with the piston cylinder.
Optionally, the loading tank is offered on the fixing base, the inside activity of loading tank is provided with the pushing rod, communicating pipe communicates with piston cylinder and loading tank respectively.
Optionally, the inboard of arranging the material pipe is provided with the bin outlet, the bin outlet is located the outside of manual push rod.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, through the step-type design of the regulating groove, in the process of pushing the limiting block, the limiting block can only push from a certain position and then contact and squeeze with the regulating groove, and the limiting block cannot be pushed by the user, so that misoperation caused by too deep pushing depth of an operator can be avoided; therefore, through the design of the adjusting groove, the pushing depth of the manual pushing rod can be set in advance before the operation of an operator, and then the manual pushing rod is pushed, on one hand, the outer protection cover can play a role in protecting the manual pushing rod, and on the other hand, the outer protection cover can set and limit the pushing depth of the manual pushing rod, so that the accuracy of the manual operation is ensured.
2. According to the invention, when the limiting block is sprung up through the telescopic spring, the hook on the limiting block is clamped with the piston rod, then the limiting block drives the piston rod to move while pushing the limiting block, the piston rod moves in the piston cylinder and extrudes gas in the piston cylinder to flow, and the gas in the piston cylinder flows towards the inside of the sealing cylinder.
3. According to the invention, the piston cylinder is sealed, and the piston rod cannot move in the piston cylinder at the moment, so that an operator cannot push and pull the limiting block, and the operator can be prompted to stop too much pushing of the manual push rod in a short time, so that excessive operation in a short time is avoided, the abrasion of the manual push rod is increased, and the service lives of the ring main unit and the manual push rod are influenced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a partial cross-sectional view of one of the present inventions;
FIG. 3 is a partial cross-sectional view of the second embodiment of the present invention;
FIG. 4 is a schematic view of a protection mechanism according to the present invention;
FIG. 5 is a cross-sectional view of one of the protective mechanisms of the present invention;
FIG. 6 is a cross-sectional view of a guard mechanism according to the present invention;
FIG. 7 is a third cross-sectional view of the guard mechanism of the present invention;
FIG. 8 is a cross-sectional view of a guard mechanism according to the present invention;
fig. 9 is a cross-sectional view of a piston cartridge of the present invention.
In the figure: 1. a ring main unit; 2. a manual push rod; 3. a protective mechanism; 31. an outer protective cover; 32. a fixing seat; 33. an adjustment tank; 34. a limiting block; 35. a pointer; 36. a piston rod; 37. a piston cylinder; 38. a telescopic spring; 39. a hook; 4. a protection mechanism; 41. a sealing cylinder; 42. an I-shaped movable rod; 43. a magnetic block; 44. a closing block; 5. a maintenance mechanism; 51. a feed tank; 52. a pushing rod; 53. a communicating pipe; 54. and a discharge pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
Referring to fig. 1 to 9, the present invention provides a high protection level ring main unit operating mechanism, which comprises a ring main unit 1, wherein a manual push rod 2 is arranged on the ring main unit 1, a protection mechanism 3 is arranged on the ring main unit 1, a protection mechanism 4 is arranged on the protection mechanism 3, and a maintenance mechanism 5 for nursing the manual push rod 2 is arranged on the protection mechanism 3;
The protection mechanism 3 comprises a fixed seat 32, an outer protection cover 31 is arranged on the outer side of the fixed seat 32, the manual push rod 2 is connected with the fixed seat 32 in a penetrating way, a limiting block 34 is arranged on the manual push rod 2, the limiting block 34 is movably connected with the outer protection cover 31, a piston cylinder 37 is arranged in the fixed seat 32, a piston rod 36 is arranged on the piston cylinder 37, and the piston rod 36 is movably connected with the limiting block 34;
When the ring main unit 1 is operated, an operator is required to rotate the outer protective cover 31 at first, so that the outer protective cover 31 rotates by a certain angle, the rotating angle of the outer protective cover 31 can be visually seen through the pointer 35 pointing to the scale position on the fixed seat 32, the adjusting groove 33 rotates to a certain position, at the moment, the outer protective cover 31 cannot cover the limiting block 34, the limiting block 34 moves upwards through the elastic force of the telescopic spring 38, the limiting block 34 is positioned in the adjusting groove 33 after being sprung up, at the moment, the operator can push the limiting block 34, and the limiting block 34 drives the manual push rod 2 to move, so that the manual operation is completed; the manual push rod 2 is protected by the outer protective cover 31, so that the false touch caused by collision of the manual push rod 2 can be avoided, and meanwhile, the manual push rod 2 is protected from being damaged, so that the cost is increased;
In addition, due to the step-type design of the regulating groove 33, in the process of pushing the limiting block 34, the limiting block 34 can only push from a certain position and then contact and squeeze the regulating groove 33, and at the moment, the limiting block 34 cannot be pushed by the operator, so that misoperation caused by too deep pushing depth of the operator can be avoided; therefore, through the design of the adjusting groove 33, the pushing depth of the manual push rod 2 can be set in advance before the operation of an operator, and then the manual push rod 2 can be pushed, on one hand, the outer protective cover 31 can play a protective role, on the other hand, the pushing depth of the manual push rod 2 can be set and limited by the outer protective cover 31, and the accuracy of the manual operation is ensured;
In addition, when the limiting block 34 is sprung up through the telescopic spring 38, the hook 39 on the limiting block 34 is clamped with the piston rod 36, then when the limiting block 34 is pushed, the limiting block 34 drives the piston rod 36 to move, the piston rod 36 moves in the piston cylinder 37 and extrudes the gas in the piston cylinder 37 to flow, the gas in the piston cylinder 37 is flushed into the sealing cylinder 41, and as the one-way valves are arranged in the piston cylinder 37 and the sealing cylinder 41, after the limiting block 34 reaches a set position, the resistance of the regulating groove 33 and the extruded pressure in the piston cylinder 37 can play a stable and pretightening role on the limiting block 34, so that the limiting block 34 is prevented from driving the manual push rod 2 to shake, and the manual push rod 2 is prevented from being pushed too deeply or too shallowly;
When the limiting block 34 is reset, the limiting block 34 drives the piston rod 36 to reversely move in the piston cylinder 37, and as the one-way valve is arranged in the piston cylinder 37, certain pressure exists when the limiting block 34 is reset and pulled, a certain buffering effect can be achieved when an operator pulls the manual push rod 2, the situation that the operator suddenly pulls the manual push rod 2 to cause serious abrasion of the manual push rod 2 is avoided, and when the piston rod 36 passes through the pressure relief hole, the pressure in the piston cylinder 37 is released through the pressure relief hole;
The protection mechanism 4 comprises a sealing cylinder 41 communicated with the piston cylinder 37, an I-shaped movable rod 42 is arranged in the sealing cylinder 41, and the I-shaped movable rod 42 is movably connected with the piston cylinder 37;
When the limiting block 34 drives the piston rod 36 to move in the piston cylinder 37, a part of gas in the piston cylinder 37 is extruded into the sealing cylinder 41, the gas drives the I-shaped movable rod 42 to move for a certain distance, and at the moment, the I-shaped movable rod 42 does not drive the sealing block 44 to move; because the piston cylinder 37 and the sealing cylinder 41 are both provided with the check valves, when the piston rod 36 moves reversely, the internal pressure of the sealing cylinder 41 will not change, if an operator pushes the limiting block 34 for a plurality of times within a certain time, when the gas in the piston cylinder 37 extrudes into the sealing cylinder 41 for a plurality of times, the gas will continuously drive the H-shaped movable rod 42 to move, when the H-shaped movable rod 42 gradually moves and moves to a certain position, the H-shaped movable rod 42 is magnetically adsorbed with the magnetic block 43, the magnetic adsorption force drives the H-shaped movable rod 42 to move to the maximum distance, at the moment, the H-shaped movable rod 42 drives the sealing block 44 to move, the sealing block 44 moves to seal the communication part between the piston cylinder 37 and the sealing cylinder 41, at the moment, the piston rod 36 cannot move in the piston cylinder 37, and the operator cannot push and pull the limiting block 34, thereby prompting the operator to stop excessively pushing the manual push rod 2 within a short time, avoiding excessively operating in a short time, increasing the abrasion of the manual push rod 2, and affecting the service life of the ring main unit 1 and the manual push rod 2;
As shown in fig. 9, a flow dividing plate may be disposed inside the piston cylinder 37, and the flow dividing plate may be designed to ensure that a part of the gas inside the piston cylinder 37 enters the inside of the sealing cylinder 41; in addition, after a certain time, the gas in the sealed cylinder 41 is discharged through the timing relief valve, and the pressure in the sealed cylinder 41 is recovered;
the maintenance mechanism 5 comprises a communicating pipe 53 communicated with the piston cylinder 37, the communicating pipe 53 is communicated with a feeding tank 51, a discharging pipe 54 is arranged on the feeding tank 51, and the discharging pipe 54 is positioned on the outer side of the manual push rod 2;
When the limiting block 34 drives the piston rod 36 to move in the piston cylinder 37, a part of gas in the piston cylinder 37 is extruded into the communicating pipe 53, the communicating pipe 53 extrudes the gas into the feeding groove 51, and extrudes lubricant in the feeding groove 51 to be flushed into the discharging pipe 54, the lubricant is discharged to the surface of the manual push rod 2 through a discharging hole on the discharging pipe 54, the manual push rod 2 is maintained, the service life is prevented from being influenced by abrasion of the manual push rod 2, and the cost is increased;
in addition, the pushing depth of the limiting block 34 can be adjusted according to the rotation angle of the adjusting groove 33 to control the pressure in the feeding groove 51, so as to control the lubricant amount sprayed by the pushing rod 52, on one hand, the using amount of the lubricant can be saved, the cost can be reduced, and on the other hand, too much or too little lubricant can be avoided, and the maintenance work of the manual pushing rod 2 can be influenced; therefore, the lubricant can be automatically added into the manual push rod 2 to achieve a maintenance effect, and the workload of operators is saved.
The manual push rods 2 are arranged on the ring main unit 1, and the manual push rods 2 are connected with the internal components of the ring main unit 1.
The manual push rod 2 is provided with a groove at one end, a limiting block 34 moves in the groove, a telescopic spring 38 is arranged in the groove, the telescopic spring 38 is connected with the limiting block 34, a fixed seat 32 is fixedly arranged on the ring main unit 1, a scale is arranged on the fixed seat 32, an outer protective cover 31 rotates on the fixed seat 32, a pointer 35 is arranged on the outer protective cover 31, an adjusting groove 33 is arranged on the outer protective cover 31, the adjusting groove 33 is of a step-type design, the adjusting groove 33 is movably connected with the limiting block 34, a hook 39 is arranged on the limiting block 34, the hook 39 is movably connected with a piston rod 36, the piston rod 36 moves in the piston cylinder 37, a pressure relief hole is arranged on the piston cylinder 37, a sealing cylinder 41 is arranged on the fixed seat 32, a magnetic block 43 is arranged above the inner part of the sealing cylinder 41, the magnetic block 43 is in magnetic adsorption connection with an I-shaped movable rod 42, a timing pressure relief valve is arranged on the sealing cylinder 41, and a one-way valve is arranged inside the sealing cylinder 41.
The sealing cylinder 41 is internally provided with a sealing block 44, the sealing block 44 is movably connected with the I-shaped movable rod 42, and the sealing block 44 is movably connected with the piston cylinder 37.
The feed tank 51 is offered on the fixing base 32, and the inside activity of feed tank 51 is provided with the ejector pin 52, and communicating pipe 53 communicates with piston cylinder 37 and feed tank 51 respectively, and the inboard of row material pipe 54 is provided with the bin outlet, and the bin outlet is located the outside of manual push rod 2.
Working principle: when the ring main unit 1 is operated, an operator is required to rotate the outer protective cover 31 at first, so that the outer protective cover 31 rotates by a certain angle, the rotating angle of the outer protective cover 31 can be visually seen through the pointer 35 pointing to the scale position on the fixed seat 32, the adjusting groove 33 rotates to a certain position, at the moment, the outer protective cover 31 cannot cover the limiting block 34, the limiting block 34 moves upwards through the elastic force of the telescopic spring 38, the limiting block 34 is positioned in the adjusting groove 33 after being sprung up, at the moment, the operator can push the limiting block 34, and the limiting block 34 drives the manual push rod 2 to move, so that the manual operation is completed; the manual push rod 2 is protected by the outer protective cover 31, so that the false touch caused by collision of the manual push rod 2 can be avoided, and meanwhile, the manual push rod 2 is protected from being damaged, so that the cost is increased;
In addition, due to the step-type design of the regulating groove 33, in the process of pushing the limiting block 34, the limiting block 34 can only push from a certain position and then contact and squeeze the regulating groove 33, and at the moment, the limiting block 34 cannot be pushed by the operator, so that misoperation caused by too deep pushing depth of the operator can be avoided; therefore, through the design of the adjusting groove 33, the pushing depth of the manual push rod 2 can be set in advance before the operation of an operator, and then the manual push rod 2 can be pushed, on one hand, the outer protective cover 31 can play a protective role, on the other hand, the pushing depth of the manual push rod 2 can be set and limited by the outer protective cover 31, and the accuracy of the manual operation is ensured;
In addition, when the limiting block 34 is sprung up through the telescopic spring 38, the hook 39 on the limiting block 34 is clamped with the piston rod 36, then when the limiting block 34 is pushed, the limiting block 34 drives the piston rod 36 to move, the piston rod 36 moves in the piston cylinder 37 and extrudes the gas in the piston cylinder 37 to flow, the gas in the piston cylinder 37 is flushed into the sealing cylinder 41, and as the one-way valves are arranged in the piston cylinder 37 and the sealing cylinder 41, after the limiting block 34 reaches a set position, the resistance of the regulating groove 33 and the extruded pressure in the piston cylinder 37 can play a stable and pretightening role on the limiting block 34, so that the limiting block 34 is prevented from driving the manual push rod 2 to shake, and the manual push rod 2 is prevented from being pushed too deeply or too shallowly;
When the limiting block 34 is reset, the limiting block 34 drives the piston rod 36 to reversely move in the piston cylinder 37, and as the one-way valve is arranged in the piston cylinder 37, certain pressure exists when the limiting block 34 is reset and pulled, a certain buffering effect can be achieved when an operator pulls the manual push rod 2, the situation that the operator suddenly pulls the manual push rod 2 to cause serious abrasion of the manual push rod 2 is avoided, and when the piston rod 36 passes through the pressure relief hole, the pressure in the piston cylinder 37 is released through the pressure relief hole;
When the limiting block 34 drives the piston rod 36 to move in the piston cylinder 37, a part of gas in the piston cylinder 37 is extruded into the sealing cylinder 41, the gas drives the I-shaped movable rod 42 to move for a certain distance, and at the moment, the I-shaped movable rod 42 does not drive the sealing block 44 to move; because the piston cylinder 37 and the sealing cylinder 41 are both provided with the check valves, when the piston rod 36 moves reversely, the internal pressure of the sealing cylinder 41 will not change, if an operator pushes the limiting block 34 for a plurality of times within a certain time, when the gas in the piston cylinder 37 extrudes into the sealing cylinder 41 for a plurality of times, the gas will continuously drive the H-shaped movable rod 42 to move, when the H-shaped movable rod 42 gradually moves and moves to a certain position, the H-shaped movable rod 42 is magnetically adsorbed with the magnetic block 43, the magnetic adsorption force drives the H-shaped movable rod 42 to move to the maximum distance, at the moment, the H-shaped movable rod 42 drives the sealing block 44 to move, the sealing block 44 moves to seal the communication part between the piston cylinder 37 and the sealing cylinder 41, at the moment, the piston rod 36 cannot move in the piston cylinder 37, and the operator cannot push and pull the limiting block 34, thereby prompting the operator to stop excessively pushing the manual push rod 2 within a short time, avoiding excessively operating in a short time, increasing the abrasion of the manual push rod 2, and affecting the service life of the ring main unit 1 and the manual push rod 2;
As shown in fig. 9, a flow dividing plate may be disposed inside the piston cylinder 37, and the flow dividing plate may be designed to ensure that a part of the gas inside the piston cylinder 37 enters the inside of the sealing cylinder 41; in addition, after a certain time, the gas in the sealed cylinder 41 is discharged through the timing relief valve, and the pressure in the sealed cylinder 41 is recovered;
When the limiting block 34 drives the piston rod 36 to move in the piston cylinder 37, a part of gas in the piston cylinder 37 is extruded into the communicating pipe 53, the communicating pipe 53 extrudes the gas into the feeding groove 51, and extrudes lubricant in the feeding groove 51 to be flushed into the discharging pipe 54, the lubricant is discharged to the surface of the manual push rod 2 through a discharging hole on the discharging pipe 54, the manual push rod 2 is maintained, the service life is prevented from being influenced by abrasion of the manual push rod 2, and the cost is increased;
In addition, the pushing depth of the limiting block 34 can be adjusted according to the rotation angle of the adjusting groove 33 to control the pressure inside the feeding groove 51, so as to control the lubricant amount sprayed by the pushing rod 52, on one hand, the lubricant usage amount can be saved, the cost can be reduced, and on the other hand, too much or too little lubricant usage can be avoided, and the maintenance work of the manual pushing rod 2 can be influenced.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a high protection level looped netowrk cabinet operating device, includes looped netowrk cabinet (1), its characterized in that, be provided with manual push rod (2) on looped netowrk cabinet (1), be provided with protection machanism (3) on looped netowrk cabinet (1), be provided with protection machanism (4) on protection machanism (3), be provided with maintenance mechanism (5) of manual push rod (2) nursing on protection machanism (3);
The protection mechanism (3) comprises a fixed seat (32), an outer protection cover (31) is arranged on the outer side of the fixed seat (32), the manual push rod (2) is connected with the fixed seat (32) in a penetrating mode, a limiting block (34) is arranged on the manual push rod (2), the limiting block (34) is movably connected with the outer protection cover (31), a piston cylinder (37) is arranged in the fixed seat (32), a piston rod (36) is arranged on the piston cylinder (37), and the piston rod (36) is movably connected with the limiting block (34);
the protection mechanism (4) comprises a sealing cylinder (41) communicated with the piston cylinder (37), an I-shaped movable rod (42) is arranged in the sealing cylinder (41), and the I-shaped movable rod (42) is movably connected with the piston cylinder (37);
The maintenance mechanism (5) comprises a communicating pipe (53) communicated with the piston cylinder (37), the communicating pipe (53) is communicated with a feeding tank (51), a discharging pipe (54) is arranged on the feeding tank (51), and the discharging pipe (54) is positioned at the outer side of the manual push rod (2);
an adjusting groove (33) is formed in the outer protective cover (31), the adjusting groove (33) is of a step-shaped design, and the adjusting groove (33) is movably connected with a limiting block (34);
The sealing cylinder (41) is arranged on the fixing seat (32), a magnetic block (43) is arranged above the inside of the sealing cylinder (41), the magnetic block (43) is magnetically adsorbed and connected with the I-shaped movable rod (42), a timing pressure release valve is arranged on the sealing cylinder (41), and a one-way valve is arranged inside the sealing cylinder (41).
2. The high-protection-level ring main unit operating mechanism according to claim 1, wherein the manual pushing rods (2) are arranged on the ring main unit (1) in a plurality, and the manual pushing rods (2) are connected with internal components of the ring main unit (1).
3. The high-protection-level ring main unit operating mechanism according to claim 1, wherein a groove is formed in one end of the manual push rod (2), the limiting block (34) moves in the groove, a telescopic spring (38) is arranged in the groove, and the telescopic spring (38) is connected with the limiting block (34).
4. The high protection level ring main unit operating mechanism according to claim 1, wherein the fixed seat (32) is fixedly installed on the ring main unit (1), scales are arranged on the fixed seat (32), the outer protection cover (31) rotates on the fixed seat (32), and a pointer (35) is arranged on the outer protection cover (31).
5. The high protection level ring main unit operating mechanism according to claim 1, wherein a hook (39) is arranged on the limiting block (34), the hook (39) is movably connected with a piston rod (36), the piston rod (36) moves in a piston cylinder (37), and a pressure release hole is arranged on the piston cylinder (37).
6. The high protection level ring main unit operating mechanism according to claim 1, wherein a sealing block (44) is arranged inside the sealing cylinder (41), the sealing block (44) is movably connected with the I-shaped movable rod (42), and the sealing block (44) is movably connected with the piston cylinder (37).
7. The high protection level ring main unit operating mechanism according to claim 1, wherein the feeding tank (51) is arranged on the fixed seat (32), a pushing rod (52) is movably arranged in the feeding tank (51), and the communicating pipe (53) is respectively communicated with the piston cylinder (37) and the feeding tank (51).
8. The high protection level ring main unit operating mechanism according to claim 1, wherein a discharge opening is arranged on the inner side of the discharge pipe (54), and the discharge opening is positioned on the outer side of the manual push rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311671549.9A CN117691473B (en) | 2023-12-07 | 2023-12-07 | High protection level looped netowrk cabinet operating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311671549.9A CN117691473B (en) | 2023-12-07 | 2023-12-07 | High protection level looped netowrk cabinet operating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117691473A CN117691473A (en) | 2024-03-12 |
| CN117691473B true CN117691473B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311671549.9A Active CN117691473B (en) | 2023-12-07 | 2023-12-07 | High protection level looped netowrk cabinet operating device |
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|---|---|---|---|---|
| CN208445144U (en) * | 2018-06-20 | 2019-01-29 | 王健 | A kind of distribution box maintenance safety protective device |
| CN208873627U (en) * | 2018-11-08 | 2019-05-17 | 江西国丰电气有限公司 | A kind of mechanical anti-misoperation operating mechanism of ring network cabinet disconnecting switch and breaker |
| CN113193492A (en) * | 2021-05-14 | 2021-07-30 | 国家电网有限公司 | Switch cabinet with pressure relief protection function |
| CN214798331U (en) * | 2021-06-03 | 2021-11-19 | 侯双双 | Distribution network transformer parallel operation cabinet |
| CN217507987U (en) * | 2022-05-24 | 2022-09-27 | 江西森源电力股份有限公司 | Power distribution cabinet with anticreep protection |
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| Publication number | Publication date |
|---|---|
| CN117691473A (en) | 2024-03-12 |
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