CN116799629B - Cable winding and unwinding device for transformer substation machine room - Google Patents
Cable winding and unwinding device for transformer substation machine room Download PDFInfo
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- CN116799629B CN116799629B CN202311089546.4A CN202311089546A CN116799629B CN 116799629 B CN116799629 B CN 116799629B CN 202311089546 A CN202311089546 A CN 202311089546A CN 116799629 B CN116799629 B CN 116799629B
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 94
- 238000003825 pressing Methods 0.000 claims description 55
- 229910052742 iron Inorganic materials 0.000 claims description 35
- 238000004140 cleaning Methods 0.000 claims description 31
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- 239000012212 insulator Substances 0.000 description 7
- 238000001179 sorption measurement Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000005389 magnetism Effects 0.000 description 6
- 239000002689 soil Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 241000826860 Trapezium Species 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
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Abstract
The application relates to a cable winding and unwinding device for a transformer substation machine room, which comprises a movable carriage, a U-shaped frame and a cable winding and unwinding module, wherein the movable carriage is of a rectangular structure, the U-shaped frame is arranged in the movable carriage, and the cable winding and unwinding module is arranged in the U-shaped frame. The application can realize the winding and unwinding functions of the transformer substation machine room cable, and can protect and alarm the short circuit or open circuit condition in the circuit, thereby preventing the damage to equipment and personnel.
Description
Technical Field
The application relates to the field of cable winding and unwinding in a transformer substation machine room, in particular to a cable winding and unwinding device in the transformer substation machine room.
Background
The transformer substation is a place for converting voltage and current, receiving electric energy and distributing electric energy in the electric power system. In the actual use process of the mobile substation, the mobile substation can be designed according to the original requirements, and meanwhile, the mobile substation can safely and reliably provide power for each user; the outer end of the cable is connected with the transformer substation in an outward extending way, and the inner end of the cable is connected with the machine room, so that a closed circuit is formed, and power supply to a user is realized.
In the existing cable winding and unwinding device of a transformer substation machine room, for example, chinese patent with the bulletin number of CN 216335960U discloses a cable winding and unwinding device for transformer substation construction, specifically, the utility model is used for assisting a cable rack to wind and unwind a cable main body, in the construction process of a transformer substation, the required cable main body is often wound and unwound through the cable rack, and the cable rack cannot accurately reach all places of a construction site due to self structure, weight reasons, construction environment reasons and the like, at this time, the cable winding and unwinding device designed in the utility model is fixedly arranged at places where the cable main body is required, then the cable main body on the cable rack is connected into the device, so that the cable main body is inserted among a positioning wheel, an input wheel and an output wheel, a forward-reverse motor is controlled to rotate positively, under the action of the forward-reverse motor, a first connecting rod drives a main gear to rotate along with the main gear, and finally the input wheel and the output wheel rotate simultaneously, so that the paying-off operation of the cable main body is realized; and otherwise, the forward and reverse rotation motor is controlled to rotate reversely, and the rotation direction of the main gear is opposite, so that the whole conveying direction of the device is opposite, and the winding operation of the cable main body is realized. It should be noted that during paying-off and winding operations, the cable main body needs to be threaded from the input wheel and finally threaded from the output wheel, and the cable must be threaded again before the winding and unwinding modes are switched.
The prior art can also realize the winding and unwinding functions of the cables in the transformer substation machine room, but on one hand, the prior art can only realize the winding and unwinding functions of the cables and can not timely process the open circuit and short circuit conditions in the circuit, thereby causing damage to equipment and human bodies in the circuit; on the other hand, the water and soil on the surface of the cable cannot be cleaned in the process of winding the cable in the prior art, and the cable is damaged due to the fact that the water and soil on the cable are accumulated for too long, so that the improvement space is provided on the basis of the cable winding and unwinding device of the existing transformer substation machine room.
Disclosure of Invention
In order to realize the winding and unwinding functions of the transformer substation machine room cable, the condition of short circuit or open circuit in the circuit can be protected and alarmed, and the damage to equipment and personnel is prevented. The application provides a cable winding and unwinding device for a transformer substation machine room.
The application provides a cable winding and unwinding device for a transformer substation machine room, which adopts the following technical scheme:
the utility model provides a cable winding and unwinding devices of transformer substation computer lab, includes removal railway carriage, U type frame and cable winding and unwinding module, remove the railway carriage and be rectangular structure, remove railway carriage internally mounted and have U type frame, install cable winding and unwinding module in the U type frame.
The cable winding and unwinding module comprises a winding and unwinding unit, a protection unit and a cleaning unit, wherein the protection unit is installed at the lower end of the middle of the U-shaped frame, the winding and unwinding unit is installed at the left side of the upper end of the protection unit, the protection unit is connected with the winding and unwinding unit, and the cleaning unit is installed at the right side of the upper end of the protection unit.
By adopting the technical scheme, when the cable needs to be unreeled, the outer end part of the cable is outwards pulled out from the middle part of the cleaning unit, the cable is paid out by the winding and unwinding unit, and the protection unit protects and alarms on the short circuit or open circuit condition in the circuit; when the cable is wound, the cleaning unit cleans sundries such as water and soil adhered to the surface of the cable, and after the cleaning is finished, the connector of the cable is placed at the outer end part of the cleaning unit, so that the subsequent unreeling of the cable is facilitated.
The protection unit includes mount, mounting bracket, coupling assembling, magnetism and inhale subassembly, joint piece, first spring, reset assembly and alarm component, the mount is installed to U type frame middle part lower extreme, and the mount cross-section is U-shaped structure, and the mounting bracket is evenly installed to inside the mount, and the inside upper end of mounting bracket installs magnetism and inhale the subassembly, installs coupling assembling on the magnetism and inhale the subassembly, and coupling assembling is connected with receive and release unit electricity, and mounting bracket middle part symmetry is provided with the draw-in groove, installs the joint piece through first spring in the draw-in groove, and the joint piece cross-section is trapezium structure, and magnetism is inhaled the subassembly lower extreme and is installed and reset assembly with joint piece complex, and alarm assembly is installed to the inside below of mounting bracket, and alarm assembly and magnetism are inhaled the subassembly and are cooperateed.
Through adopting the technical scheme, the cable is connected with the machine room in the mobile carriage through the connecting component, the function that the transformer substation is communicated with the machine room is realized, when the short circuit condition occurs in the circuit, the current passing through the cable is increased, the magnetic force on the magnetic component is instantaneously increased, the adsorption force of the magnetic component is increased, the magnetic component extrudes the clamping block in the mounting frame and moves upwards, the connecting component is disconnected, at the moment, the circuit is disconnected, the clamping block always supports the lower end of the magnetic component, the magnetic component is prevented from sliding downwards, and the cable can be effectively prevented from being damaged due to current overload; when the circuit is broken, the magnetic force on the magnetic attraction component disappears, and the magnetic attraction component slides downwards to squeeze the alarm component, so that the alarm component sends an alarm indication.
Preferably, receive and release unit includes pivot, motor, belt, wind-up roll, connects electric piece and annular frame, the pivot is installed through the bearing to U type frame upper end, and the wind-up roll is evenly installed to U type frame middle part, connects electric piece in the wind-up roll below outside, and the winding has the cable on the wind-up roll, and the tip of cable is connected with connecing electric piece, and the mount upper end is provided with the ring channel, installs annular frame in the ring channel, rotates between annular frame and the electric piece of connecing to be connected, and annular frame is connected with the coupling assembling electricity, installs the band pulley in the pivot, installs the belt between the band pulley, and the pivot upper end is connected with the output shaft of motor, and the motor passes through the motor cabinet and installs on U type frame.
By adopting the technical scheme, when the cable is wound, the motor is started, so that the motor rotates positively, the belt drives the rotating shaft to rotate synchronously, and the cable is uniformly wound on the winding roller; when unreeling the cable, the motor is started, so that the motor rotates reversely, the belt drives the rotating shaft to rotate synchronously, the cable is slowly conveyed outwards, and the winding and unwinding functions of the winding roller on the cable are realized.
Preferably, the connecting assembly comprises a power connection column and a power connection frame, the power connection column is arranged in the left side wall of the mounting frame, the power connection frame is arranged at the upper end of the magnetic attraction assembly, the cross section of the power connection frame is of an inverted L-shaped structure, a hollow groove matched with the power connection column is formed in the middle of the upper end of the power connection frame, an iron sheet is arranged on the inner wall of the hollow groove, and the iron sheet is connected with the power connection column.
By adopting the technical scheme, when the cable works normally, the power connection column is connected with the power connection frame, so that a closed loop is formed between the cable and the machine room; when a short circuit occurs in the circuit, the magnetic attraction assembly drives the power connection frame to move upwards, so that the power connection column is disconnected with the power connection frame, and the circuit is disconnected; when the circuit is broken, the magnetic attraction assembly drives the power connection frame to move downwards, so that the power connection column is disconnected with the power connection frame, and the circuit is disconnected.
Preferably, the electric frame mid-mounting has the insulator spindle, and insulator spindle right-hand member portion is trapezium structure, is connected with reset spring between insulator spindle and the electric frame, installs on the mounting bracket with insulator spindle right-hand member complex dog, and the dog cross-section is trapezium structure, and the insulator spindle is insulating material.
By adopting the technical scheme, when a short circuit occurs in the circuit, the magnetic attraction assembly drives the power connection frame to move upwards, the right end part of the insulating rod slides on the stop block, so that the reset spring is compressed, the insulating rod made of insulating materials moves leftwards, the power connection column and the iron sheet arranged at the lower end of the empty slot can be blocked, and the phenomenon of electric arc between the iron sheet and the power connection column in a short distance is prevented; after the short circuit problem is solved, start reset assembly for magnetism is inhaled the subassembly and is moved down, and the dead block of insulator spindle right-hand member end is gone up down to slide, and reset spring resets, and the insulator spindle slides rightwards and is kept away from with the electric pole, realizes connecting electric pole and iron sheet again.
Preferably, the magnetic component comprises a second spring, a pressing plate, iron blocks and an iron core, the pressing plate is arranged in the mounting frame in a sliding mode, the pressing plate is matched with the clamping block, the iron block is arranged at the middle of the upper end of the pressing plate, the iron core is arranged at the middle of the wind-up roll, the iron core is matched with the iron block, the second spring is symmetrically arranged at the upper end of the pressing plate, and the second spring is located at two sides of the iron block.
By adopting the technical scheme, when a short circuit occurs in the circuit, the current passing through the cable is instantaneously increased, the magnetic force on the iron core is increased, the iron core adsorbs the iron block upwards, the pressing plate moves upwards along with the iron block, and the power connection frame is disconnected with the power connection column; when the condition of circuit breaking appears in the cable, the magnetic force on the iron core disappears, and the clamp plate moves down for alarm module sends the warning instruction.
Preferably, the reset assembly comprises a telescopic cylinder and a sliding block, the middle part of the lower end of the pressing plate is symmetrically provided with the telescopic cylinder through a bracket, the end part of the telescopic cylinder is connected with the sliding block, and the sliding block is arranged at the lower end of the pressing plate in a sliding manner.
Through adopting above-mentioned technical scheme, when the clamp plate moves to joint piece upper end, the joint piece blocks the clamp plate, prevents clamp plate downstream, after the short circuit problem in the circuit is solved, starts flexible cylinder, and flexible cylinder promotes the slider to both ends, and the slider extrudees the joint piece in to the draw-in groove to make the clamp plate downstream smoothly.
Preferably, the alarm assembly comprises a rectangular frame, a compression bar, a rectangular plate, a spring III, a contact button and a buzzer, wherein the rectangular frame is symmetrically arranged at the lower end of the middle part of the installation frame, the rectangular plate is slidably arranged at the middle part of the installation frame, a through groove is formed in the middle part of the upper end of the installation frame, the compression bar is slidably arranged in the through groove, the cross section of the compression bar is of a T-shaped structure, the lower end of the compression bar is connected with the rectangular plate, the spring III is arranged at the outer end of the compression bar, the contact button is arranged at the lower end of the middle part of the rectangular frame and matched with the rectangular plate, the buzzer is uniformly arranged at the front end of the installation frame, and the contact button is electrically connected with the buzzer.
By adopting the technical scheme, when the circuit is broken, the pressing plate moves downwards, the pressing plate presses the pressing rod downwards, the rectangular plate slides downwards in the rectangular frame, the rectangular plate touches the contact button, and the buzzer gives out alarm sound; when the circuit breaking problem in the circuit is solved, the magnetic force is recovered on the iron core, the pressing plate moves upwards, and the spring III is reset.
Preferably, the cleaning frames are symmetrically arranged in the middle of the right end of the U-shaped frame, the cleaning frames are detachably arranged, conical grooves are uniformly formed between the two cleaning frames, the sponge cushion is arranged in the middle of each conical groove, and the flexible cushion is arranged at the inner end of each conical groove.
Through adopting above-mentioned technical scheme, when needs carry out the rolling to the cable, start the motor for the motor is reversed, and the cable is by slow rolling to the wind-up roll on, and the foam-rubber cushion cleans debris such as water, earth on the cable simultaneously, makes the cable of rolling on the wind-up roll keep clean state all the time, and after the cable rolling was accomplished, places cable joint at the clearance frame outer end, is favorable to follow-up unreeling to the cable.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the application is provided with the magnetic component, when the circuit is short-circuited, the magnetic force on the iron core is increased, the adsorption force between the iron block and the iron core is enhanced, so that the pressing plate moves upwards to press the clamping block, when the pressing plate moves to the upper end of the clamping block, the clamping block ejects to limit the pressing plate, the pressing plate is prevented from moving downwards again, at the moment, the binding post is disconnected with the connecting frame, the circuit is disconnected, and equipment and personnel in the circuit can be protected; when the cable works normally, the adsorption force between the iron core and the iron block is smaller than the elastic force of the spring, so that the spring is in a compressed state, and the pressing plate is positioned at the lower end of the clamping block; when the circuit is broken, the adsorption force between the iron core and the iron block disappears, and the pressing plate moves downwards, so that the buzzer sends out an alarm indication.
2. When the circuit is broken, the adsorption force between the iron core and the iron block disappears, the pressing plate moves downwards, and the pressing plate presses the pressing rod downwards, so that the rectangular plate is in contact with the contact button, and the buzzer sends an alarm indication.
3. The application is provided with the connecting component, the inner end part of the cable is connected with the electric connection frame, the iron sheet arranged on the inner wall of the electric connection frame is connected with the electric connection column, and the electric connection column is connected with the machine room, so that a closed loop can be formed between the cable and the machine room.
Drawings
The application will be further described with reference to the drawings and examples.
Fig. 1 is a schematic perspective view of the present application.
Fig. 2 is a schematic cross-sectional structure of the present application.
FIG. 3 is a schematic cross-sectional view of a cleaning unit according to the present application.
Fig. 4 is a schematic cross-sectional structure of the protection unit of the present application.
Fig. 5 is a schematic cross-sectional structure of the receiving and releasing unit of the present application.
FIG. 6 is a schematic cross-sectional view of the connection assembly, the magnetic attraction assembly, the reset assembly and the alarm assembly of the present application.
Fig. 7 is a schematic cross-sectional view of the connecting assembly, the magnetic attraction assembly and the reset assembly of the present application.
Fig. 8 is an enlarged schematic view of the structure of fig. 6 a according to the present application.
Fig. 9 is an enlarged schematic view of the structure of fig. 6B according to the present application.
Reference numerals illustrate: 1. moving the carriage; 2. a U-shaped frame; 3. a cable winding and unwinding module; 31. a winding and unwinding unit; 311. a rotating shaft; 312. a motor; 313. a belt; 314. a wind-up roll; 315. a power connection sheet; 316. an annular frame; 32. a protection unit; 321. a fixing frame; 322. a mounting frame; 323. a connection assembly; 3231. a power connection column; 3232. a power connection frame; 3233. an insulating rod; 3234. a stop block; 324. a magnetic attraction component; 3241. a second spring; 3242. a pressing plate; 3243. iron blocks; 3244. an iron core; 325. a clamping block; 326. a first spring; 327. a reset assembly; 3271. a telescopic cylinder; 3272. a slide block; 328. an alarm assembly; 3281. a rectangular frame; 3282. a compression bar; 3283. a rectangular plate; 3284. a third spring; 3285. a contact button; 3286. a buzzer; 33. a cleaning unit; 331. a cleaning frame; 332. a sponge cushion; 333. a flexible mat.
Detailed Description
The present application is described in further detail below with reference to fig. 1-9.
The embodiment of the application discloses a cable winding and unwinding device for a transformer substation machine room, which can be used for winding and unwinding the cable of the transformer substation machine room, protecting and alarming the short circuit or disconnection of a circuit and preventing equipment and personnel from being damaged.
Referring to fig. 1, a cable winding and unwinding device for a transformer substation machine room comprises a mobile carriage 1, a U-shaped frame 2 and a cable winding and unwinding module 3, wherein the mobile carriage 1 is of a rectangular structure, the U-shaped frame 2 is installed in the mobile carriage 1, and the cable winding and unwinding module 3 is installed in the U-shaped frame 2.
Referring to fig. 2 and 4, in order to be able to pay-off and take-up a cable, a cable pay-off and take-up module 3 is provided in this embodiment, the cable pay-off and take-up module 3 includes a pay-off unit 31, a protection unit 32 and a cleaning unit 33, the protection unit 32 is installed at the lower end of the middle portion of the U-shaped frame 2, the pay-off and take-up unit 31 is installed at the left side of the upper end of the protection unit 32, the protection unit 32 is connected with the pay-off and take-up unit 31, and the cleaning unit 33 is installed at the right side of the upper end of the protection unit 32.
In the actual use process, when the cable needs to be unreeled, the outer end part of the cable is pulled out from the middle part of the cleaning unit 33, the cable is unreeled by the reeling and unreeled unit 31, and the short circuit or open circuit condition in the circuit is protected and alarmed by the protection unit 32; when the cable is wound, the cleaning unit 33 cleans sundries such as water and soil adhered to the surface of the cable, and after the cleaning is finished, the connector of the cable is placed at the outer end part of the cleaning unit 33, so that the subsequent unreeling of the cable is facilitated.
Referring to fig. 4 and 6-9, in order to prevent the short circuit or broken circuit in the circuit from damaging the equipment and the human body, a protection unit 32 is provided in this embodiment, the protection unit 32 includes a fixing frame 321, a mounting frame 322, a connecting component 323, a magnetic attraction component 324, a clamping block 325, a first spring 326, a reset component 327 and an alarm component 328, the fixing frame 321 is installed at the lower end of the middle part of the U-shaped frame 2, the cross section of the fixing frame 321 is in a U-shaped structure, the mounting frame 322 is uniformly installed in the fixing frame 321, the magnetic attraction component 324 is installed at the upper end in the mounting frame 322, the connecting component 323 is electrically connected with the retraction unit 31, clamping grooves are symmetrically provided in the middle of the mounting frame 322, the clamping blocks 325 are installed in the clamping grooves through first springs 326, the cross section of the clamping blocks 325 is in a trapezoid structure, the reset component 327 matched with the clamping blocks 325 is installed at the lower end of the magnetic attraction component 324, the alarm component 328 is installed at the lower part in the inside of the mounting frame 322, and the alarm component 328 is matched with the magnetic attraction component 324.
In the actual use process, the cable is connected with the machine room in the mobile carriage 1 through the connecting component 323, the function that the transformer substation is communicated with the machine room is realized, when the short circuit condition occurs in the circuit, the current passing through the cable is increased, the magnetic force on the magnetic component 324 is instantaneously increased, the adsorption force of the magnetic component 324 is increased, the magnetic component 324 extrudes the clamping block 325 in the mounting frame 322 and moves upwards, the connecting component 323 is disconnected, at the moment, the circuit is disconnected, the clamping block 325 always supports the lower end of the magnetic component 324, the magnetic component 324 is prevented from sliding downwards, and the cable can be effectively prevented from being damaged due to current overload; when a circuit is broken, the magnetic force on the magnetic attraction assembly 324 disappears, and the magnetic attraction assembly 324 slides downwards to squeeze the alarm assembly 328, so that the alarm assembly 328 sends an alarm indication.
The outer end of the cable wound around the winding and unwinding unit 31 is connected to the transformer substation, the inner end of the cable is connected to the connection assembly 323, and the connection assembly 323 is connected to the machine room, thereby forming a closed circuit to supply power to the user.
It should be further noted that, when a short circuit occurs in the circuit, the magnetic force on the magnetic attraction component 324 increases to enable the magnetic attraction component 324 to slide upwards, the circuit is powered off, the magnetic force on the magnetic attraction component 324 gradually becomes smaller as time becomes longer, the magnetic attraction component 324 can slide downwards again, the clamping block 325 can prevent the magnetic attraction component 324 from moving downwards to enable the circuit to be powered on, when the problem of overlarge current is solved, the reset component 327 is started, the clamping block 325 moves into the clamping groove, and the magnetic attraction component 324 moves to the lower end of the clamping block 325 again, so that the circuit is conducted.
Referring to fig. 2, fig. 4 and fig. 5, the winding and unwinding unit 31 includes a rotating shaft 311, a motor 312, a belt 313, a winding roller 314, a power connection sheet 315 and an annular frame 316, the rotating shaft 311 is installed at the upper end of the U-shaped frame 2 through a bearing, the winding roller 314 is evenly installed at the middle part of the U-shaped frame 2, the power connection sheet 315 is installed at the outer side below the winding roller 314, a cable is wound on the winding roller 314, the end of the cable is connected with the power connection sheet 315, an annular groove is arranged at the upper end of the fixing frame 321, the annular frame 316 is installed in the annular groove, the annular frame 316 is connected with the power connection sheet 315 in a rotating manner, the annular frame 316 is electrically connected with a connecting component 323, belt wheels are installed on the rotating shaft 311, the belt 313 is installed between the belt wheels, the upper end of the rotating shaft 311 is connected with an output shaft of the motor 312, and the motor 312 is installed on the U-shaped frame 2 through a motor seat.
In the actual use process, when the cable is wound, the motor 312 is started, so that the motor 312 rotates positively, the belt 313 drives the rotating shaft 311 to rotate synchronously, and the cable is uniformly wound on the winding roller 314; when the cable is unreeled, the motor 312 is started, so that the motor 312 is reversed, the belt 313 drives the rotating shaft 311 to synchronously rotate, the cable is slowly conveyed outwards, and the winding and unwinding functions of the winding roller 314 on the cable are realized.
It should be noted that, in the process of rotating the wind-up roller 314, the power receiving piece 315 installed on the outer side below the wind-up roller 314 is always connected with the annular frame 316.
Referring to fig. 6-8, in order to enable the end of the cable to be communicated with the machine room, in this embodiment, a connection assembly 323 is provided, the connection assembly 323 includes a power receiving column 3231 and a power receiving frame 3232, the power receiving column 3231 is installed in the left side wall of the mounting frame 322, the power receiving frame 3232 is installed at the upper end of the magnetic attraction assembly 324, the power receiving frame 3232 has an inverted L-shaped cross section, an empty slot matched with the power receiving column 3231 is provided in the middle of the upper end of the power receiving frame 3232, an iron sheet is installed on the inner wall of the empty slot, and the iron sheet is connected with the power receiving column 3231.
In the actual use process, when the cable works normally, the power connection column 3231 is connected with the power connection frame 3232, so that a closed loop is formed between the cable and the machine room; when a short circuit occurs in the circuit, the magnetic attraction assembly 324 drives the power connection frame 3232 to move upwards, so that the power connection column 3231 is disconnected with the power connection frame 3232, and the circuit is disconnected; when the circuit is broken, the magnetic attraction component 324 drives the power connection frame 3232 to move downwards, so that the power connection column 3231 is disconnected with the power connection frame 3232, and the circuit is disconnected.
Referring to fig. 6-8, an insulating rod 3233 is mounted in the middle of the power receiving frame 3232, the right end of the insulating rod 3233 is in a trapezoid structure, a return spring is connected between the insulating rod 3233 and the power receiving frame 3232, a stop block 3234 matched with the right end of the insulating rod 3233 is mounted on the mounting frame 322, the cross section of the stop block 3234 is in a trapezoid structure, and the insulating rod 3233 is made of insulating materials.
In the actual use process, when a short circuit occurs in the circuit, the magnetic component 324 drives the power connection frame 3232 to move upwards, the right end part of the insulating rod 3233 slides on the stop block 3234, so that the reset spring is compressed, the insulating rod 3233 made of insulating materials moves leftwards, the power connection column 3231 can be blocked from an iron sheet arranged at the lower end of the empty slot, and the phenomenon of electric arc between the iron sheet and the power connection column 3231 is prevented; after the short circuit problem is solved, the reset component 327 is started, so that the magnetic attraction component 324 moves downwards, the stop block 3234 at the right end part of the insulating rod 3233 slides downwards, the reset spring is reset, the insulating rod 3233 slides rightwards to be far away from the electric connection column 3231, and the electric connection column 3231 is connected with the iron sheet again.
Referring to fig. 6 and 7, the magnetic assembly 324 includes a second spring 3241, a pressing plate 3242, an iron block 3243 and an iron core 3244, the pressing plate 3242 is slidably disposed in the mounting frame 322, the pressing plate 3242 is matched with the clamping block 325, the iron block 3243 is mounted in the middle of the upper end of the pressing plate 3242, the iron core 3244 is mounted in the middle of the winding roller 314, the iron core 3244 is matched with the iron block 3243, the second spring 3241 is symmetrically mounted at the upper end of the pressing plate 3242, and the second spring 3241 is located at two sides of the iron block 3243.
In the actual use process, when a short circuit occurs in the circuit, the current passing through the cable is instantaneously increased, the magnetic force on the iron core 3244 is increased, the iron core 3244 adsorbs the iron block 3243 upwards, the pressing plate 3242 moves upwards along with the iron block 3243, and the power connection frame 3232 is disconnected with the power connection column 3231; when a circuit break occurs in the cable, the magnetic force on the core 3244 is lost and the pressure plate 3242 moves downward causing the alarm assembly 328 to issue an alarm indication.
When the cable is in normal operation, the adsorption force between the iron block 3243 and the iron core 3244 is smaller than the elastic force of the second spring 3241, so that the second spring 3241 is always in a compressed state.
Referring to fig. 6 and 7, the reset assembly 327 includes a telescopic cylinder 3271 and a sliding block 3272, the middle part of the lower end of the pressing plate 3242 is symmetrically provided with the telescopic cylinder 3271 through a bracket, the end of the telescopic cylinder 3271 is connected with the sliding block 3272, and the sliding block 3272 is slidably arranged at the lower end of the pressing plate 3242.
In the actual use process, when the pressing plate 3242 moves to the upper end of the clamping block 325, the clamping block 325 blocks the pressing plate 3242 to prevent the pressing plate 3242 from moving downwards, after the short circuit problem in the circuit is solved, the telescopic cylinder 3271 is started, the telescopic cylinder 3271 pushes the sliding block 3272 to the two ends, and the sliding block 3272 presses the clamping block 325 into the clamping groove, so that the pressing plate 3242 moves downwards smoothly.
Referring to fig. 6 and 9, the alarm assembly 328 includes a rectangular frame 3281, a pressing rod 3282, a rectangular plate 3283, a third spring 3284, a contact button 3285 and a buzzer 3286, the middle lower end of the mounting frame 322 is symmetrically provided with the rectangular frame 3281, the middle of the rectangular frame 3281 is slidably provided with the rectangular plate 3283, the middle of the upper end of the mounting frame 322 is provided with a through groove, the pressing rod 3282 is slidably provided in the through groove, the cross section of the pressing rod 3282 is of a T-shaped structure, the lower end of the pressing rod 3282 is connected with the rectangular plate 3283, the third spring 3284 is installed at the outer end of the pressing rod 3282, the lower end of the middle of the rectangular frame 3281 is provided with the contact button 3285, the contact button 3285 is matched with the rectangular plate 3283, the front end of the fixing frame 321 is uniformly provided with the buzzer 3286, and the contact button 3285 is electrically connected with the buzzer 3286.
In the actual use process, when the circuit is broken, the pressing plate 3242 moves downwards, the pressing plate 3242 presses the pressing rod 3282 downwards, the rectangular plate 3283 slides downwards in the rectangular frame 3281, the rectangular plate 3283 touches the contact button 3285, and the buzzer 3286 gives out an alarm; when the circuit breaking problem is solved, the magnetic force is recovered on the iron core 3244, the pressing plate 3242 moves upwards, and the spring III 3284 is reset.
Referring to fig. 2 and 3, in order to clean up impurities such as water and soil adhered to a cable before the cable is wound, a cleaning unit 33 is provided in this embodiment, cleaning frames 331 are symmetrically installed in the middle of the right end of the U-shaped frame 2, the cleaning frames 331 are detachably arranged, conical grooves are uniformly formed between the two cleaning frames 331, a foam cushion 332 is installed in the middle of each conical groove, and a flexible cushion 333 is installed in the inner end of each conical groove.
In the in-service use, when the cable is required to be wound, the motor 312 is started, so that the motor 312 is reversely rotated, the cable is slowly wound on the winding roller 314, meanwhile, the sponge cushion 332 wipes sundries such as water, soil and the like on the cable, the cable wound on the winding roller 314 is always kept in a clean state, and after the cable is wound, the cable connector is placed at the outer end of the cleaning frame 331, so that the subsequent unreeling of the cable is facilitated.
It should be noted that, the end of the cable is connected to the outer end of the cleaning frame 331 through the flexible pad 333, and the flexible pad 333 can prevent the cable from being damaged when bending.
The implementation principle of the embodiment is as follows:
1: winding and unwinding the cable, when the cable is wound, starting the motor 312, enabling the motor 312 to rotate positively, enabling the belt 313 to drive the rotating shaft 311 to rotate synchronously, and uniformly winding the cable onto the winding roller 314; when the cable is unreeled, the motor 312 is started, so that the motor 312 is reversed, and the belt 313 drives the rotating shaft 311 to synchronously rotate, so that the cable is slowly conveyed outwards.
2: the short circuit and disconnection conditions in the circuit are protected and alarmed, when the short circuit condition occurs in the circuit, the current passing through the cable becomes large, the magnetic force on the magnetic attraction component 324 is increased instantaneously, the attraction force of the magnetic attraction component 324 is increased, the magnetic attraction component 324 extrudes the clamping block 325 in the mounting frame 322 and moves upwards, the connecting component 323 is disconnected, at the moment, the circuit is disconnected, the clamping block 325 always supports the lower end of the magnetic attraction component 324, the magnetic attraction component 324 is prevented from sliding downwards, and the cable can be effectively prevented from being damaged due to current overload; when a circuit is broken, the magnetic force on the magnetic attraction assembly 324 disappears, and the magnetic attraction assembly 324 slides downwards to squeeze the alarm assembly 328, so that the alarm assembly 328 sends an alarm indication.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (4)
1. The cable winding and unwinding device for the transformer substation machine room comprises a mobile carriage (1), a U-shaped frame (2) and a cable winding and unwinding module (3), and is characterized in that the mobile carriage (1) is of a rectangular structure, the U-shaped frame (2) is arranged in the mobile carriage (1), and the cable winding and unwinding module (3) is arranged in the U-shaped frame (2);
the cable winding and unwinding module (3) comprises a winding and unwinding unit (31), a protection unit (32) and a cleaning unit (33), wherein the protection unit (32) is installed at the lower end of the middle of the U-shaped frame (2), the winding and unwinding unit (31) is installed at the left side of the upper end of the protection unit (32), the protection unit (32) is connected with the winding and unwinding unit (31), and the cleaning unit (33) is installed at the right side of the upper end of the protection unit (32);
the protection unit (32) comprises a fixing frame (321), a mounting frame (322), a connecting component (323), a magnetic attraction component (324), clamping blocks (325), a first spring (326), a reset component (327) and an alarm component (328), wherein the fixing frame (321) is arranged at the lower end of the middle part of the U-shaped frame (2), the cross section of the fixing frame (321) is of a U-shaped structure, the mounting frame (322) is uniformly arranged inside the fixing frame (321), the magnetic attraction component (324) is arranged at the upper end inside the mounting frame (322), the connecting component (323) is arranged on the magnetic attraction component (324), the connecting component (323) is electrically connected with the retraction unit (31), clamping blocks (325) are symmetrically arranged in the middle part of the mounting frame (322), the clamping blocks (325) are arranged in the clamping grooves in a trapezoid structure in cross section, the reset component (327) matched with the clamping blocks (325) is arranged at the lower end of the magnetic attraction component (324), the alarm component (328) is arranged below the inner part of the mounting frame (322), and the alarm component (328) is matched with the magnetic attraction component (324).
The connecting assembly (323) comprises a power connection column (3231) and a power connection frame (3232), the power connection column (3231) is arranged in the left side wall of the mounting frame (322), the power connection frame (3232) is arranged at the upper end of the magnetic attraction assembly (324), the cross section of the power connection frame (3232) is of an inverted L-shaped structure, an empty groove matched with the power connection column (3231) is formed in the middle of the upper end of the power connection frame (3232), an iron sheet is arranged on the inner wall of the empty groove, and the iron sheet is connected with the power connection column (3231);
the magnetic attraction assembly (324) comprises a second spring (3241), a pressing plate (3242), an iron block (3243) and an iron core (3244), the pressing plate (3242) is arranged in the mounting frame (322) in a sliding mode, the pressing plate (3242) is matched with the clamping block (325), the iron block (3243) is mounted at the middle of the upper end of the pressing plate (3242), the iron core (3244) is mounted at the middle of the winding roller (314), the iron core (3244) is arranged inside the winding roller (314) in a penetrating mode, the iron core (3244) is matched with the iron block (3243), the second spring (3241) is symmetrically mounted at the upper end of the pressing plate (3242), and the second spring (3241) is located at two sides of the iron block (3243);
the resetting assembly (327) comprises a telescopic cylinder (3271) and a sliding block (3272), the middle part of the lower end of the pressing plate (3242) is symmetrically provided with the telescopic cylinder (3271) through a bracket, the end part of the telescopic cylinder (3271) is connected with the sliding block (3272), and the sliding block (3272) is arranged at the lower end of the pressing plate (3242) in a sliding manner;
the alarm assembly (328) comprises a rectangular frame (3281), a pressing rod (3282), a rectangular plate (3283), a spring III (3284), a contact button (3285) and a buzzer (3286), wherein the rectangular frame (3281) is symmetrically arranged at the lower end of the middle part of the mounting frame (322), the rectangular plate (3283) is slidably arranged at the middle part of the rectangular frame (3281), a through groove is formed in the middle part of the upper end of the mounting frame (322), the pressing rod (3282) is slidably arranged in the through groove, the cross section of the pressing rod (3282) is of a T-shaped structure, the lower end of the pressing rod (3282) is connected with the rectangular plate (3283), the spring III (3284) is arranged at the outer end of the pressing rod (3282), the contact button (3285) is arranged at the lower end of the middle part of the rectangular frame (3281), the buzzer (3286) is uniformly arranged at the front end of the fixing frame (321), and the contact button (3285) is electrically connected with the buzzer (3286).
2. The substation room cable winding and unwinding device according to claim 1, wherein: receive and release unit (31) including pivot (311), motor (312), belt (313), wind-up roll (314), connect electric piece (315) and annular frame (316), pivot (311) are installed through the bearing in U type frame (2) upper end, wind-up roll (314) are evenly installed in U type frame (2) middle part, connect electric piece (315) are installed in wind-up roll (314) below outside, the winding has the cable on wind-up roll (314), the tip of cable is connected with connect electric piece (315), mount (321) upper end is provided with the ring channel, install annular frame (316) in the ring channel, rotate between annular frame (316) and the electric piece (315) and be connected, annular frame (316) are connected with coupling assembling (323) electricity, install the band pulley on pivot (311), install belt (313) between the band pulley, pivot (311) upper end is connected with the output shaft of motor (312), motor (312) are installed on U type frame (2) through the motor cabinet.
3. The substation room cable winding and unwinding device according to claim 1, wherein: the electric connection frame is characterized in that an insulating rod (3233) is arranged in the middle of the electric connection frame (3232), the right end portion of the insulating rod (3233) is of a trapezoid structure, a reset spring is connected between the insulating rod (3233) and the electric connection frame (3232), a stop block (3234) matched with the right end of the insulating rod (3233) is arranged on the mounting frame (322), the cross section of the stop block (3234) is of a trapezoid structure, and the insulating rod (3233) is made of insulating materials.
4. The substation room cable winding and unwinding device according to claim 1, wherein: the cleaning unit (33) comprises cleaning frames (331), sponge pads (332) and flexible pads (333), the cleaning frames (331) are symmetrically arranged in the middle of the right end of the U-shaped frame (2), the cleaning frames (331) can be detachably arranged, conical grooves are uniformly formed between the two cleaning frames (331), the sponge pads (332) are arranged in the middle of the conical grooves, and the flexible pads (333) are arranged at the inner ends of the conical grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202311089546.4A CN116799629B (en) | 2023-08-28 | 2023-08-28 | Cable winding and unwinding device for transformer substation machine room |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311089546.4A CN116799629B (en) | 2023-08-28 | 2023-08-28 | Cable winding and unwinding device for transformer substation machine room |
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| CN116799629A CN116799629A (en) | 2023-09-22 |
| CN116799629B true CN116799629B (en) | 2023-11-07 |
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| Publication number | Publication date |
|---|---|
| CN116799629A (en) | 2023-09-22 |
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