CN117220134A - Protection device for transformer overhauling - Google Patents
Protection device for transformer overhauling Download PDFInfo
- Publication number
- CN117220134A CN117220134A CN202311191853.3A CN202311191853A CN117220134A CN 117220134 A CN117220134 A CN 117220134A CN 202311191853 A CN202311191853 A CN 202311191853A CN 117220134 A CN117220134 A CN 117220134A
- Authority
- CN
- China
- Prior art keywords
- electric
- fixed
- base
- telescopic cylinder
- movable arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000004224 protection Effects 0.000 title claims abstract description 25
- 230000009466 transformation Effects 0.000 claims abstract description 27
- 238000012423 maintenance Methods 0.000 claims abstract description 23
- 239000000523 sample Substances 0.000 claims description 25
- 230000005611 electricity Effects 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 10
- 208000007101 Muscle Cramp Diseases 0.000 description 8
- 208000005392 Spasm Diseases 0.000 description 8
- 230000036544 posture Effects 0.000 description 8
- 238000001514 detection method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000013459 approach Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Elimination Of Static Electricity (AREA)
Abstract
The application relates to the technical field of power maintenance, and particularly discloses a protection device for power transformation overhaul. The electric shock protection device comprises a power transformation box body, a grounding wire fixed on the surface of the power transformation box body and a grounding cone fixed at the other end of the grounding wire, wherein two sides of the surface of the power transformation box body are respectively connected with a box door A and a box door B through hinges A, and the electric shock protection device also comprises a protection mechanism arranged inside the power transformation box body.
Description
Technical Field
The application relates to the technical field of power maintenance, in particular to a protection device for power transformation maintenance.
Background
The transformer substation needs to be maintained and overhauled equipment is more, the probability of abnormality or fault is high, most of equipment with faults in the transformer substation needs constructors to be overhauled on site, because the transformer substation is maintained and is complex in site environment, the equipment is provided with high-voltage power, the danger coefficient is high, potential safety hazards are high, life safety of constructors on site overhaul is threatened, but the existing overhaul operation does not protect safety of the overhaul personnel, if electric shock occurs in the actual overhaul operation process, the overhaul personnel often cannot be separated from an electrified body independently for self rescue due to muscle spasm, personal safety can be influenced, and accidents are caused.
Disclosure of Invention
The application provides a protection device for power transformation overhaul, which can organize illegal operation of operators, and has the characteristics of rapidly pulling arms of the maintainers to be separated from an electric shock environment at the moment of electric shock of the maintainers, and closing the arms towards the chest of the maintainers, preventing the situation that muscle spasm cannot be separated from an electrified body independently after electric shock, ensuring the safety of the maintainers to the greatest extent, and reducing the accident rate.
The application is realized by the following technical scheme:
the utility model provides a protection device is overhauld in transformer, is in including transformer box and connection the electric wire that connects on transformer box surface, electric wire connection ground connection awl, the surface both sides of transformer box are articulated respectively have chamber door A and chamber door B, its characterized in that: the protection mechanism is arranged in the transformer box body;
the protection mechanism includes: the device is characterized in that the pulling assembly is arranged in the transformer box body, one side of the pulling assembly is provided with a power guiding assembly, and the surface of the power guiding assembly is provided with a power measuring assembly.
The utility model provides a draw and drag the subassembly including placing the movable cabinet in the transformer box inside, the surface of movable cabinet is equipped with swivel mount, the internally mounted who removes the cabinet has air pump, swivel mount's surface articulates through articulated seat A has movable arm A, movable arm A's surface one side articulates through articulated seat B has telescopic cylinder A, just telescopic cylinder A's the other end and articulated seat A are articulated, movable arm A keeps away from swivel mount's one end articulates has movable arm B, movable arm B's surface one side articulates through articulated seat C has telescopic cylinder B, just telescopic cylinder B's the other end and articulated seat A are articulated, movable arm B keeps away from movable arm A's one end articulates has movable arm C, movable arm C's surface one side articulates through articulated seat D has telescopic cylinder C, telescopic cylinder D's one end and articulated seat D are articulated, just telescopic cylinder D's output is articulated through articulated shaft A and is articulated connecting rod, the articulated shaft C is connected with the connecting rod is articulated, the connecting rod is connected through articulated shaft C and articulated connection, the connecting rod is connected with the arc.
Two groups of cabinet doors are hinged to one side of the surface of the movable cabinet.
The output end of the air pump is fixedly provided with an air pipe, the air pipe is communicated with the telescopic cylinder A, the telescopic cylinder B, the telescopic cylinder C and the telescopic cylinder D through air inlet pipes respectively, and an electric control valve is arranged on the surface of each air inlet pipe.
The utility model discloses a draw electric subassembly, draw electric subassembly and draw the rope, draw the other end of rope to be provided with the bracelet, still include a fixing base, fixing base one side is equipped with leading truck and switching-over seat, the inside both sides of leading truck rotate and are connected with the leading wheel, just draw the rope laminating two sets of between the leading wheel, the inside rotation of switching-over seat is connected with the switching-over wheel, just draw the rope with the switching-over wheel is laminated mutually, the bracelet surface is kept away from draw one side of rope to be fixed with the conductor wire, the other end of conductor wire is fixed with electrically conductive sucking disc.
The utility model discloses a pull rope, including fixing strap, bracelet, connecting plate, fixed ring, locking switch, inductor, fixing strap, release button, locking switch and inductor are all connected with at the both ends of pulling the rope, the bracelet with the connecting plate is close to one side of fixed ring is fixed with the buckle respectively, the buckle with link together between the fixed ring, the surface mounting of bracelet has locking switch and inductor, the both sides of fixing base are all fixed with the bandage, two sets of be connected with between the bandage and release the knot.
The utility model provides a survey electric subassembly, survey electric subassembly is including fixing survey electric base on bracelet surface, survey electric base's top is provided with and is L type structure survey electric probe, survey electric base is inside keep away from one side rotation of bracelet is connected with pivot A, pivot A's fixed surface has indicates the roof, indicate the fixed surface of roof has the push pedal, the surface conflict of push pedal has the cam, the inside of cam is fixed with pivot B, just pivot B rotates to connect in survey electric base's inside, pivot B's one end runs through survey electric base's inside, and extends to survey electric base's one side, and with the setting is in survey electric base one side's gear fixed connection, the surface engagement of gear is connected with the pinion, just survey electric probe with pinion fixed connection.
The fixed rod is fixed on the lower surface of the finger top plate, the finger ring is fixed on the other end of the fixed rod, the coil spring is arranged on the surface of the rotating shaft B, a limit bar which is of a T-shaped structure is fixed on one side, close to the electricity measuring base, of the toothed plate, a T-shaped limit groove which is matched with the limit bar is formed in the electricity measuring base, and the toothed plate is in sliding connection with the electricity measuring base through the limit bar and the T-shaped limit groove.
The locking switch is electrically connected with the plurality of groups of electric control valves, and the electric sensor is electrically connected with the air pump.
The beneficial effects of the application are as follows:
according to the application, the protection mechanism is arranged to detect the line, so that the built-in self-checking electrode of the electricity measuring probe is communicated to form a self-checking loop, thereby judging the on-off state of the line, facilitating the maintainer to judge whether the line is electrified, being capable of rapidly pulling the arm of the maintainer to be separated from the electric shock environment at the moment that the maintainer gets an electric shock and approaching the chest of the maintainer, preventing the situation that the muscle spasm cannot be separated from the electrified body independently after the electric shock, greatly ensuring the safety of the maintainer, and reducing the accident rate.
Drawings
The application is further described below with reference to the accompanying drawings:
FIG. 1 is an overall cross-sectional view of the present application;
fig. 2 is a schematic structural diagram of a transformer box according to the present application;
FIG. 3 is a schematic diagram of the structure of the pulling assembly and the power guiding assembly according to the present application;
FIG. 4 is a schematic diagram of the structure of the pulling assembly and the power-on assembly after electric shock protection according to the present application;
FIG. 5 is a schematic view of a partial structure of a power guiding assembly according to the present application;
FIG. 6 is a schematic view of a pulling assembly according to the present application;
FIG. 7 is a schematic view of a portion of a pulling assembly according to the present application;
FIG. 8 is an enlarged view of FIG. 7 at A in accordance with the present application;
FIG. 9 is a schematic diagram of a bracelet according to the present application;
FIG. 10 is a schematic view of a fixing base according to the present application;
FIG. 11 is a schematic diagram of a testing assembly according to the present application;
FIG. 12 is a schematic diagram of a partial structure of the electrical component of the present application.
In the figure, 1, a transformer box body; 11. connecting wires; 12. a grounding cone;
2. a box door A; 21. a box door B;
3. a protective mechanism;
31. a pulling assembly; 311. a moving cabinet; 31101. a cabinet door; 312. a rotating base; 3121. a hinge seat A; 3122. a hinge seat B; 3123. a hinge seat C; 3124. a hinge seat D; 313. an air pump; 31301. a gas pipe; 31302. an air inlet pipe; 31303. an electric control valve; 314. a movable arm A; 315. a telescopic cylinder A; 316. a movable arm B; 317. a telescopic cylinder B; 318. a boom C; 319. a telescopic cylinder C; 3110. a telescopic cylinder D;311001, hinged links; 311002, a connector; 311003, a connecting seat; 3111. a connecting plate;
32. a power-on assembly; 320. a hinge axis A; 3200. a hinge axis B; 32000. a hinge shaft C; 321. a bracelet; 32101. a locking switch; 32102. a sensor; 322. pulling the rope; 32201. a fixing ring; 32202. a clasp ring; 323. a fixing seat; 32301. a strap; 32302. releasing the buckle; 324. a guide frame; 325. a guide wheel; 3251. a first rotating lever; 326. a reversing seat; 327. a reversing wheel; 328. a conductive wire; 329. a conductive chuck;
33. a power measurement assembly; 331. a power measuring base; 332. an electrical measurement probe; 333. a rotating shaft A; 334. a top plate; 33401. a fixed rod; 33402. a finger ring; 335. a push plate; 336. a cam; 337. a rotating shaft B; 33701. a coil spring; 338. a gear; 339. a toothed plate; 33901. and a limit strip.
Detailed Description
The drawings illustrate specific embodiments of the application. As shown in fig. 1 to 12, the protection device for power transformation overhaul comprises a power transformation box body 1, a grounding wire 11 fixed on the surface of the power transformation box body 1 and a grounding cone 12 fixed on the other end of the grounding wire 11, wherein two sides of the surface of the power transformation box body 1 are respectively connected with a box door A2 and a box door B21 through hinges a.
In this embodiment: the existing maintenance operation does not protect the safety of maintenance personnel, if the maintenance personnel generates electric shock in the actual maintenance operation process, the maintenance personnel cannot be separated from an electrified body independently for self-rescue due to muscle spasm, the personal safety is affected, and the occurrence of accidents is caused.
In order to prevent the condition that muscle spasm can't break away from electrified body alone after electric shock, still include installing at the inside protection machanism 3 of transformer box 1, protection machanism 3 is provided with and pulls subassembly 31 including pulling subassembly 31, drawing electric subassembly 32 and survey electric subassembly 33 in the inside of transformer box 1, draws one side of subassembly 31 to install and draws electric subassembly 32, draws the surface mounting of electric subassembly 32 to have and survey electric subassembly 33.
In this embodiment: through the pulling component 31 that sets up, can drive the maintainer arm rapidly and break away from the electric shock environment, and press close to towards self chest, can carry out the quick protection rescue in the twinkling of an eye, prevent to take place because of the unable circumstances that breaks away from the electrified body alone of muscle spasm after the electric shock, the very big limit guarantees the safety of maintainer, accident rate has been reduced, through the power leading component 32 of setting, can introduce the electric current underground, further provide powerful guarantee for maintainer's life safety, through the electricity measuring component 33 of setting, can detect the circuit, make the built-in self-checking electrode intercommunication of electricity measuring probe 332 form the self-checking return circuit, thereby judge the break-make of circuit, make things convenient for the maintainer to judge whether the circuit is electrified.
In order to drive the maintainer arm to break away from the electric shock environment, still including pulling subassembly 31, pull subassembly 31 and including removing cabinet 311, rotating base 312, the air pump 313, movable arm A314, flexible cylinder A315, movable arm B316, flexible cylinder B317, movable arm C318, flexible cylinder C319, flexible cylinder D3110 and connecting plate 3111, it places the inside at transformer box 1 to remove cabinet 311, the fixed surface of removing cabinet 311 has rotating base 312, the internally mounted of removing cabinet 311 has air pump 313, the surface of rotating base 312 articulates through articulated seat A3121 has movable arm A314, surface one side of movable arm A314 articulates through articulated seat B3122 has flexible cylinder A315, and the other end and the articulated seat A3121 of flexible cylinder A315 are connected, the one end that movable arm A314 kept away from rotating base 312 articulates has movable arm B316, the surface one side of movable arm B317 articulates has flexible cylinder B317 through articulated seat C3123, and the articulated seat A3121 of flexible cylinder C3113 is connected, the one end that movable arm B316 kept away from movable arm A314 articulates has C318, surface one side of movable arm C318 is connected with the articulated seat C3110, and the other end of the articulated seat D3110 is connected with flexible cylinder 3111 of flexible cylinder C3114.
In this embodiment: when the electric power change overhauling process is needed to be performed for protection operation, the air pump 313 is started, the air pump 313 is used for respectively conveying air to the telescopic air cylinder A315, the telescopic air cylinder B317, the telescopic air cylinder C319 and the telescopic air cylinder D3110 through the air pipes 31301 and the air pipes 31302, the arms of overhaulers can be pulled through the pulling ropes 322 sequentially through the change of the postures of the movable arms, the overhaulers can swing the arms back and forth along with the change of the postures of the movable arms, a group of routes with the largest swing amplitude of the pulling arms can be selected, the state of each movable arm can be automatically determined according to the overhauling position, and the protection treatment can be rapidly performed when electric shock danger appears later conveniently.
Through the setting of swivel base 312, can realize that each movable arm is rotated inside transformer box 1 to change the orientation of each movable arm and connecting plate 3111, be convenient for change according to the position of maintainer.
Two groups of cabinet doors 31101 are hinged on one side of the surface of the movable cabinet 311 through hinges, an output end of a telescopic cylinder D3110 is hinged with a hinged connecting rod 311001 which is of an arc structure through a hinged shaft A320, the hinged connecting rod 311001 is hinged with a movable arm C318, one end of the hinged connecting rod 311001, far away from the movable arm C318, is hinged with a connecting piece 311002 through a hinged shaft B3200, the other end of the connecting piece 311002 is hinged with a connecting seat 311003 through a hinged shaft C32000, the connecting seat 311003 is hinged with the movable arm C318, the connecting seat 311003 is fixedly connected with a connecting plate 3111, an output end of the air pump 313 is fixedly provided with an air pipe 31301, the air pipe 31301 is respectively communicated with the telescopic cylinder A315, the telescopic cylinder B317, the telescopic cylinder C319 and the telescopic cylinder D3110 through an air inlet pipe 31302, and the surface of the air pipe 31302 is provided with an electric control valve 31303.
The air pump 313 respectively conveys air to the inside of the telescopic cylinder A315, the telescopic cylinder B317, the telescopic cylinder C319 and the telescopic cylinder D3110 through the air conveying pipe 31301 and the multiple groups of air inlet pipes 31302, and during the process, the opening and closing of the air inlet pipes 31302 are controlled through the electric control valve 31303, so that the telescopic length of the corresponding cylinders can be controlled, and the working postures of the movable arm A314, the movable arm B316, the movable arm C318 and the connecting plate 3111 can be adjusted.
The air pump 313 and the electric control valve 31303 in a to-be-opened state are immediately started by a controller (not shown), so as to drive the telescopic cylinder matched with the electric control valve 31303, and then the telescopic cylinder drives the movable arm to move according to a predetermined route.
In order to introduce electric current underground, further provide powerful guarantee for maintainer's life safety, still include draw electric subassembly 32, draw electric subassembly 32 to include bracelet 321, draw rope 322, fixing base 323, leading truck 324, leading truck 325, switching-over seat 326, switching-over wheel 327, electrically conductive line 328 and electrically conductive sucking disc 329, draw one end of rope 322 to fix in the one side of connecting plate 3111, the other end of drawing rope 322 is provided with bracelet 321, be provided with fixing base 323 between bracelet 321 and connecting plate 3111, the one side that the fixing base 323 surface is close to and draws rope 322 is fixed with leading truck 324, the inside both sides of leading truck 324 are connected with leading truck 325 through first dwang 3251 rotation, and draw rope 322 laminating between two sets of leading truck 325, the one side that the fixing base 323 surface is close to leading truck 324 is fixed with switching-over seat 326, the inside of switching-over seat 326 is connected with switching-over wheel 327 through the second bull stick rotation, and draw rope 322 and switching-over wheel 327 laminating mutually, one side that draws rope 322 surface to keep away from to draw rope 322 is fixed with electrically conductive line 328, the other end of electrically conductive line 328 is fixed with electrically conductive sucking disc 329.
When an maintainer enters the power transformation box body 1, the conductive sucker 329 is adsorbed on the box door A2 at the other side of the power transformation box body 1, then the fixing seat 323 is worn on the waist of the maintainer, then the hand ring 321 is sleeved on the arm of the maintainer, the pulling rope 322 can be rapidly pulled through the movement of the movable arm, during the period, the movement of the pulling rope 322 can be guided through the cooperation of the guide frame 324 and the guide wheel 325, the pulling rope 322 can be smoothly and stably pulled, the friction force between the pulling rope 322 and a human body in the pulling process can be reduced, the pulling speed of the pulling rope 322 is improved, during the period, the position between the connecting plate 3111 and the fixing seat 323 can be correspondingly changed due to the rapid change of the posture of the movable arm, the pulling moving direction of the pulling rope 322 can be guided through the cooperation of the reversing seat 326 and the reversing wheel 327, thereby further reduce the frictional force that pulls rope 322 received, realize pulling bracelet 321 rapidly and drive maintainer's arm and break away from the electric shock environment, and press close towards self chest, can carry out the quick protection rescue in the moment of electric shock, prevent to take place because of the unable circumstances that breaks away from the electrified body alone of muscle spasm after the electric shock, very big limit guarantees maintainer's safety, reduced the accident rate, simultaneously, because of the resistance of human self is higher than the resistance of electrically conductive line 328 inside, so in the moment of taking place the electric shock, electrically conductive line 328 that connects on bracelet 321 surface can carry the electric current of vast majority to on the chamber door A2 through electrically conductive sucking disc 329, and then introduce the electric current underground through electric connection line 11 and ground connection awl 12 by chamber door A2, further provide powerful guarantee for maintainer's life safety.
Both ends of the pulling rope 322 are connected with fixing rings 32201, one sides of the hand rings 321 and the connecting plate 3111, which are close to the fixing rings 32201, are respectively fixed with retaining rings 32202, the hand rings 321 and the connecting plate 3111 are respectively connected with the fixing rings 32201 through the retaining rings 32202, a locking switch 32101 is arranged on the surface of the hand rings 321, a sensor 32102 is arranged on the surface of the hand rings 321, binding bands 32301 are respectively fixed on both sides of the fixing base 323, and release buckles 32302 are connected between the two groups of binding bands 32301.
The fixing seat 323 can be worn on the waist of the maintenance personnel by bypassing the binding bands 32301 around the waist of the maintenance personnel and fixing the two groups of binding bands 32301 through the release buckle 32302, and the connection between the pulling rope 322 and the hand ring 321 and the connection plate 3111 can be realized through the fixing ring 32201 and the buckling ring 32202.
In order to facilitate the maintenance personnel to judge whether the line is electrified, the electric detecting assembly 33 is further included, the electric detecting assembly 33 comprises an electric detecting base 331, electric detecting probes 332, a rotating shaft A333, a finger top plate 334, a push plate 335, a cam 336, a rotating shaft B337, gears 338 and tooth plates 339, the electric detecting base 331 is fixedly arranged on the surface of the hand ring 321, the electric detecting probes 332 with L-shaped structures are arranged above the electric detecting base 331, the two electric detecting probes 332 are totally arranged, one side, far away from the hand ring 321, of the inside of the electric detecting base 331 is rotationally connected with the rotating shaft A333, the surface of the rotating shaft A333 is fixedly provided with the finger top plate 334, the surface of the finger top plate 334 is fixedly provided with the push plate 335, the surface of the push plate 335 is abutted against the cam 336, the rotating shaft B337 is fixedly arranged in the cam 336, one end of the rotating shaft B337 is rotationally connected in the electric detecting base 331 and extends to one side of the electric detecting base 331 and is fixedly connected with the gears 338 arranged on one side of the electric detecting base 331, and the surface of the gears 338 is in meshed connection with the tooth plates and is fixedly connected with the tooth plates. The top plate 334 is two in total and is located between two tooth plates 339.
In this embodiment: when the preparation work before the overhaul is completed needs to be carried out, the whole circuit of the power transformation box body 1 is disconnected at first, residual electricity still exists in the internal circuit of the power transformation box body 1, the palm in an unfolding state is changed into a fist-making state, during the period, the top plate 334 can be pointed to be in the electric detection base 331 through the movement of fingers, the circle center of the rotating shaft A333 is used as the radius to carry out circular movement, the push plate 335 is driven to synchronously move, the cam 336 can be pushed to rotate in the electric detection base 331 along with the movement of the push plate 335, the rotating shaft B337 is driven to synchronously rotate, the gear 338 can be driven to rotate through the rotation of the rotating shaft B337, the toothed plate engaged with the gear 339 is driven to move on one side of the electric detection base 331, the electric detection probe 332 is driven to approach the circuit to be detected, the self-detecting electrode in the electric detection probe 332 is communicated with the circuit to form a self-detecting loop through the contact of the electric detection probe 332, and the on-off of the circuit is judged, and whether the circuit is electrified or not is convenient to judge by personnel.
The lower surface fixed who indicates roof 334 has dead lever 33401, the other end of dead lever 33401 is fixed with ring 33402, pivot B337's surface mounting has coil spring 33701, tooth plate 339 is close to the one side that surveys electric base 331 and is fixed with the spacing 33901 that is T type structure, survey electric base 331 inside offered with spacing 33901 looks adaptation T type spacing groove (not shown in the figure), and tooth plate 339 and survey electric base 331 pass through spacing 33901 and this T type spacing groove sliding connection, locking switch 32101 and multiunit automatically controlled valve 31303 all pass through a wire electric connection, sensor 32102 and air pump 313 pass through another wire electric connection.
Through the motion of finger, can drive ring 33402 and move, under the cooperation of dead lever 33401, can drive the finger roof 334 and move in survey the inside of electric base 331, through the removal of pinion rack 339, can drive spacing 33901 and slide in survey the T type spacing inslot that electric base 331 was inside offered, through the rotation of pivot B337, can drive coil spring 33701 and take place deformation and produce elasticity, through coil spring 33701's elasticity, can realize detecting the back drive survey probe 332 and resume initial position, prevent that survey probe 332 is in the danger that the mistake line of touching caused the short circuit always to stretch out.
The use process is as follows:
s1, when a user needs to change a power-changing maintenance process to carry out protective operation, firstly opening a box door B21 on one side of a power-changing box body 1, after the user enters the power-changing box body 1, adsorbing a conductive sucker 329 on a box door A2 on the other side of the power-changing box body 1, attaching a fixing seat 323 to the waist of the user, bypassing a binding belt 32301 around the waist of the user, fixing two groups of binding belts 32301 through a release buckle 32302, wearing the fixing seat 323 on the waist of the user, sleeving a bracelet 321 on the arm of the user, penetrating fingers of the user through a ring 33402, pushing a power-measuring base 331 to move in the power-changing box body 1 through a moving wheel at the bottom until the power-changing base is moved to a maintenance position, then starting an air pump 313, respectively conveying air to the interiors of a telescopic cylinder A315, a telescopic cylinder B317, a telescopic cylinder C319 and a telescopic cylinder D3110 through an air inlet pipe 31301 and a plurality of groups of air inlet pipes 31302, the electric control valve 31303 is used for controlling the opening and closing of the air inlet pipe 31302, the telescopic length of the corresponding air cylinders can be controlled, the working postures of the movable arm A314, the movable arm B316, the movable arm C318 and the connecting plate 3111 are further adjusted, the arms of the maintenance personnel can be sequentially pulled through the pulling ropes 322 through the change of the postures of the movable arms, the maintenance personnel can swing the arms back and forth along with the change of the postures of the movable arms, a group of routes with the largest swing amplitude of the pulling arms can be selected, the state of each movable arm can be automatically determined according to the maintenance position, the subsequent quick protection treatment when the electric shock hazard occurs is facilitated, after the selection of each movable arm movement route is completed, the locking switch 32101 is pressed, the locking switch 32101 is provided with control buttons corresponding to each air cylinder, electric signals are respectively sent to a controller (not shown in the figure) by each control button, then, the electric signals are sent to the plurality of groups of electric control valves 31303, so that the switch of the plurality of groups of electric control valves 31303 can be automatically controlled, the electric control valves 31303 on the route with the largest swing amplitude are in a state to be opened, the other electric control valves 31303 are in a completely closed state, the wearing and debugging operation before power transformation overhaul can be completed, and the follow-up air pump 313 only provides power for the corresponding air cylinder of the electric control valves 31303, so that the expansion speed of the air cylinder is improved, and the safety of an access personnel during operation is ensured;
s2, when the preparation work before maintenance is completed and maintenance work is required, the whole circuit of the power transformation box body 1 is disconnected firstly, residual electricity still exists in the inner circuit of the power transformation box body 1, then the palm in an unfolding state is changed into a fist-holding state, during the period, the finger ring 33402 can be driven to move through the movement of fingers, the finger top plate 334 can be driven to move in the inner part of the electric base 331 through the cooperation of the fixed rod 33401, the circle center of the rotating shaft A333 and the self length of the rotating shaft A333 are taken as a radius to do circular movement, the push plate 335 is driven to synchronously move, the cam 336 can be pushed to rotate in the inner part of the electric base 331 along with the movement of the push plate 335, the rotating shaft B337 can be driven to synchronously rotate through the rotating shaft B337, the toothed plate 339 can be driven to rotate, the toothed plate 339 meshed with the toothed plate is driven to move on one side of the electric base 331, the toothed plate 339 can be driven to slide in a T-shaped limit groove formed in the inner part of the electric base 331, the electric probe 332 can be driven to move towards the inner part of the electric base 331, the electric probe 332 to be detected, the inner part of the electric base is driven to rotate, the elastic force of the electric probe 332 can be driven to rotate, and the electric probe 332 can be driven to be in a state of the elastic force of the electric probe is driven to be in the elastic force of the electric probe to be in the elastic state, and the electric probe is detected, and the electric probe is in the state, and the electric contact state is detected, and the electric probe is detected is in the state, and the electric probe is in the state;
s3, if an electric shock happens accidentally in the overhaul process of an overhaul worker, the current and the voltage passing through the human body are sensed through the electric sensor 32102, when the maximum threshold value born by the human body is exceeded, a signal is sent to a controller (not shown in the figure) through the electric sensor 32102, then the air pump 313 and the electric control valve 31303 in a to-be-opened state are immediately started by the controller (not shown in the figure), the telescopic cylinder matched with the electric control valve 31303 is further driven, the movable arm is driven by the telescopic cylinder to move according to a predetermined route, the movement of the movable arm can rapidly pull the pull rope 322, during the period, the movement of the pull rope 322 can be guided through the cooperation of the guide frame 324 and the guide wheel 325, so that the pull rope 322 can be smoothly pulled smoothly, the friction force between the pull rope 322 and the human body in the pulling process can be reduced, the pulling speed of the pull rope 322 can be increased, during the process, the position between the connecting plate 3111 and the fixing seat 323 is correspondingly changed because the posture of the movable arm is changed rapidly, the pulling moving direction of the pulling rope 322 can be guided by the cooperation of the reversing seat 326 and the reversing wheel 327, so that the friction force born by the pulling rope 322 is further reduced, the hand ring 321 is rapidly pulled to drive the arms of the maintainer to be separated from the electric shock environment and to approach the chest of the maintainer, the rapid protection rescue can be performed at the moment of electric shock, the situation that the muscle spasm cannot be separated from the electrified body independently after the electric shock occurs is prevented, the safety of the maintainer is ensured to the greatest extent, the accident rate is reduced, meanwhile, the resistance value of the human body is far higher than that of the conductive wire 328, so that the conductive wire 328 connected to the surface of the hand ring 321 can convey most of current to the box door A2 through the conductive sucker 329 at the moment of electric shock, the current is led into the ground through the grounding wire 11 and the grounding cone 12 by the box door A2, so that the life safety of the maintainer is further guaranteed strongly.
The technical features are known to those skilled in the art except the technical features described in the specification.
Claims (9)
1. The utility model provides a protection device is overhauld in transformer, is in including transformer box (1) and connection electric wire (11) on transformer box (1) surface, electric wire (11) are connected ground connection awl (12), the surface both sides of transformer box (1) are articulated respectively have chamber door A (2) and chamber door B (21), its characterized in that: the transformer box also comprises a protection mechanism (3) arranged in the transformer box body (1);
the protection mechanism (3) comprises: the device is characterized in that the pulling component (31) is arranged inside the transformer box body (1), one side of the pulling component (31) is provided with the electricity guiding component (32), and the surface of the electricity guiding component (32) is provided with the electricity measuring component (33).
2. The protective device for electric power transformation overhaul according to claim 1, characterized in that: the pulling assembly (31) comprises a movable cabinet (311) placed in a power transformation box body (1), a rotary base (312) is arranged on the surface of the movable cabinet (311), an air pump (313) is arranged in the movable cabinet (311), a movable arm A (314) is hinged to the surface of the rotary base (312) through a hinging seat A (3121), a telescopic cylinder A (315) is hinged to one side of the surface of the movable arm A (314) through a hinging seat B (3122), the other end of the telescopic cylinder A (315) is hinged to the hinging seat A (3121), a movable arm B (316) is hinged to one side of the movable arm A (314) far away from the rotary base (312), a telescopic cylinder B (317) is hinged to one side of the surface of the movable arm B (316) through a hinging seat C (3123), a movable arm C (318) is hinged to one side of the movable arm B (314) far away from one end of the movable arm A (318) through a hinging seat A (3121), a movable arm C (318) is hinged to the other side of the surface C (3123) through a telescopic cylinder C (3123), one end of telescopic cylinder D (3110) articulates with articulated seat D (3124), just telescopic cylinder D (3110)'s output is articulated through articulated shaft A (320) have articulated connecting rod (311001) that are arc structure, articulated connecting rod (311001) with swing arm C (318) articulates, just articulated connecting rod (311001) keep away from one end of swing arm C (318) articulates there is connecting piece (311002) through articulated shaft B (3200), the other end of connecting piece (311002) articulates there is connecting seat (311003) through articulated shaft C (32000), connecting seat (311003) with swing arm C (318) articulates, just connecting seat (311003) fixedly connected with connecting plate (3111).
3. The protective device for electric power transformation overhaul according to claim 2, characterized in that: two groups of cabinet doors (31101) are hinged on one side of the surface of the movable cabinet (311).
4. The protective device for electric power transformation overhaul according to claim 2, characterized in that: the output end of the air pump (313) is fixedly provided with an air pipe (31301), the air pipe (31301) is communicated with the telescopic cylinder A (315), the telescopic cylinder B (317), the telescopic cylinder C (319) and the telescopic cylinder D (3110) through an air inlet pipe (31302) respectively, and an electric control valve (31303) is arranged on the surface of the air inlet pipe (31302).
5. The protective device for electric power transformation maintenance according to claim 4, wherein: the utility model provides a draw electric subassembly (32) including drawing rope (322) be connected with connecting plate (3111), the other end of drawing rope (322) is provided with bracelet (321), still includes a fixing base (323), fixing base (323) one side is equipped with guide frame (324) and switching-over seat (326), the inside both sides of guide frame (324) rotate and are connected with leading wheel (325), just draw rope (322) laminating in two sets of between leading wheel (325), the internal connection of switching-over seat (326) has switching-over wheel (327), just draw rope (322) with switching-over wheel (327) laminating mutually, bracelet (321) surface is kept away from draw one side of rope (322) and be fixed with conducting wire (328), the other end of conducting wire (328) is fixed with conducting sucker (329).
6. The protective device for electric power transformation maintenance according to claim 5, wherein: both ends of pulling rope (322) all are connected with solid fixed ring (32201), bracelet (321) with connecting plate (3111) are close to one side of gu fixed ring (32201) is fixed with buckle (32202) respectively, buckle (32202) with link together between gu fixed ring (32201), surface mounting of bracelet (321) has locking switch (32101) and inductor (32102), the both sides of fixing base (323) all are fixed with bandage (32301), two sets of be connected with between bandage (32301) release knot (32302).
7. The protective device for electric power transformation maintenance according to claim 6, wherein: the utility model provides a survey electric subassembly (33) is including fixing survey electric base (331) on bracelet (321) surface, survey the top of electric base (331) and be provided with survey electric probe (332) that are L type structure, survey electric base (331) inside keep away from one side rotation of bracelet (321) is connected with pivot A (333), the fixed surface of pivot A (333) is fixed with and indicates roof (334), the fixed surface that indicates roof (334) has push pedal (335), the surface of push pedal (335) is contradicted and is had cam (336), the inside of cam (336) is fixed with pivot B (337), just pivot B (337) rotate and connect in the inside of surveying electric base (331), the one end of pivot B (337) runs through survey the inside of electric base (331), and extend to one side of surveying electric base (331) and with set up survey gear (338) fixed connection on one side of electric base (331), the surface engagement of gear (338) is connected with pinion (339), just survey electric probe (339).
8. The protective device for electric power transformation maintenance according to claim 7, wherein: the utility model discloses a fixed point of electricity base, including fixed point board (331) and fixed point board (331), fixed point board (334)'s lower surface is fixed with dead lever (33401), the other end of dead lever (33401) is fixed with ring (33402), the surface mounting of pivot B (337) has coil spring (33701), pinion rack (339) are close to one side of surveying electric base (331) is fixed with spacing (33901) that is T type structure, survey electric base (331) inside seted up with T type spacing groove of spacing (33901) looks adaptation, just pinion rack (339) with survey electric base (331) are passed through spacing (33901) and this T type spacing groove sliding connection.
9. The protective device for electric power transformation maintenance according to claim 6, wherein: the locking switch (32101) is electrically connected with a plurality of groups of the electric control valves (31303), and the electric sensor (32102) is electrically connected with the air pump (313).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311191853.3A CN117220134B (en) | 2023-09-15 | 2023-09-15 | Protection device for transformer overhauling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311191853.3A CN117220134B (en) | 2023-09-15 | 2023-09-15 | Protection device for transformer overhauling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117220134A true CN117220134A (en) | 2023-12-12 |
| CN117220134B CN117220134B (en) | 2024-03-08 |
Family
ID=89040194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311191853.3A Active CN117220134B (en) | 2023-09-15 | 2023-09-15 | Protection device for transformer overhauling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117220134B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103986093A (en) * | 2014-06-11 | 2014-08-13 | 国家电网公司 | Equipotential transfer rod for high-voltage alternating current transmission line |
| CN204599422U (en) * | 2015-03-11 | 2015-09-02 | 林建启 | A kind of novel electric power protective gloves |
| CN208255318U (en) * | 2018-05-02 | 2018-12-18 | 国网湖北省电力有限公司宜昌供电公司 | A kind of wrist anti-electric shock apparatus |
| CN110839981A (en) * | 2019-11-06 | 2020-02-28 | 国网山东省电力公司昌乐县供电公司 | Active intelligent wearable electric shock separation device |
| CN111493458A (en) * | 2020-04-17 | 2020-08-07 | 贵州电网有限责任公司 | Protection against electric shock warning bracelet |
| CN218770580U (en) * | 2022-11-15 | 2023-03-28 | 泉州市振威电器设备有限公司 | Power cabinet with overhaul protection against electric shock structure |
| CN219304314U (en) * | 2023-04-11 | 2023-07-04 | 王文忠 | Protection device for transformer operation maintenance equipment |
-
2023
- 2023-09-15 CN CN202311191853.3A patent/CN117220134B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103986093A (en) * | 2014-06-11 | 2014-08-13 | 国家电网公司 | Equipotential transfer rod for high-voltage alternating current transmission line |
| CN204599422U (en) * | 2015-03-11 | 2015-09-02 | 林建启 | A kind of novel electric power protective gloves |
| CN208255318U (en) * | 2018-05-02 | 2018-12-18 | 国网湖北省电力有限公司宜昌供电公司 | A kind of wrist anti-electric shock apparatus |
| CN110839981A (en) * | 2019-11-06 | 2020-02-28 | 国网山东省电力公司昌乐县供电公司 | Active intelligent wearable electric shock separation device |
| CN111493458A (en) * | 2020-04-17 | 2020-08-07 | 贵州电网有限责任公司 | Protection against electric shock warning bracelet |
| CN218770580U (en) * | 2022-11-15 | 2023-03-28 | 泉州市振威电器设备有限公司 | Power cabinet with overhaul protection against electric shock structure |
| CN219304314U (en) * | 2023-04-11 | 2023-07-04 | 王文忠 | Protection device for transformer operation maintenance equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117220134B (en) | 2024-03-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117220134B (en) | Protection device for transformer overhauling | |
| CN104180713B (en) | A kind of police-used grabber | |
| CN104477412B (en) | Method for on-track control of electronic control heat shield | |
| JP2013111099A (en) | Structure for incorporating fall detector and alarm in safety belt | |
| CN109527670B (en) | Safe climbing assistor for power tower pole | |
| CN110921593A (en) | Electric equipment is retrieved to umbrella area | |
| CN206806857U (en) | lead clamping device | |
| CN104069598A (en) | High-altitude operation protection device | |
| CN208145260U (en) | A kind of climbing fall safety device | |
| CN112043989B (en) | Auxiliary maintenance device for overhead cable for electric power maintenance | |
| CN109603027B (en) | Electric power system auxiliary device that ascends a height | |
| CN205494729U (en) | Safety belt link device of preventing falling | |
| CN203587621U (en) | Portable automatic retractable combination cable | |
| CN208938284U (en) | A kind of all-dimensional multi-angle security protection control system | |
| CN201945249U (en) | Circumferential pre-tightening type safety controller | |
| CN113927569B (en) | Hanging strip assembly of exoskeleton robot | |
| CN206141864U (en) | Connecting bridge with linkage wire rope safety braking | |
| CN215025471U (en) | Telescopic safety belt for high-altitude operation | |
| CN109444681A (en) | One kind being mounted on Suspension type remote control high-potting discharging grounding device in grading shield | |
| CN110308641A (en) | A kind of community security protection Portable safety protection device | |
| CN205332914U (en) | Action restraining device | |
| CN216152162U (en) | Adjustable clamp type structure | |
| CN214432125U (en) | Wearable intelligent waistband | |
| CN217366947U (en) | Special safety belt for climbing iron tower | |
| CN220732079U (en) | Emergency protection device for integrated switch cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |