CN110739609B - Automatic device of changing of block terminal sealed fuse-element - Google Patents
Automatic device of changing of block terminal sealed fuse-element Download PDFInfo
- Publication number
- CN110739609B CN110739609B CN201911108444.6A CN201911108444A CN110739609B CN 110739609 B CN110739609 B CN 110739609B CN 201911108444 A CN201911108444 A CN 201911108444A CN 110739609 B CN110739609 B CN 110739609B
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- cavity
- fixedly connected
- fuse
- main cavity
- wall
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- 239000000155 melt Substances 0.000 claims abstract description 54
- 239000002699 waste material Substances 0.000 claims abstract description 27
- 238000005498 polishing Methods 0.000 claims abstract description 11
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 8
- 229910052744 lithium Inorganic materials 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 238000003763 carbonization Methods 0.000 abstract description 6
- 238000010000 carbonizing Methods 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/18—Disposition or arrangement of fuses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/26—Magazine arrangements
- H01H85/28—Magazine arrangements effecting automatic replacement
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a device for automatically replacing a fuse melt of a sealed fuse of a distribution box, which comprises the distribution box, a main cavity with an opening facing right is arranged in the distribution box, a power supply cut-off device for cutting off a power supply and recovering power supply is arranged in the main cavity, the main cavity is internally provided with a melt replacing device positioned on the right side of the power supply cutting device, the melt replacing device is used for replacing melt and polishing a carbonization layer of the fuse base, a melt storage device which is positioned at the lower side of the melt replacing device and used for storing melt is arranged in the main cavity, the automatic melt replacing and carbonizing device is characterized in that a waste storage device positioned on the left side of the melt storage device is arranged in the main cavity and used for releasing clamping of the clamping plate on the melt and storing the waste melt.
Description
Technical Field
The invention relates to the technical field of automatic replacement of fuse melts, in particular to an automatic replacement device of a sealed fuse melt of a distribution box.
Background
The fuse is an electric appliance which fuses a melt by using heat generated by the fuse when the current exceeds a specified value and breaks a circuit, the fuse is widely applied to a high-low voltage distribution system, a control system and electric equipment and is one of the most common protective devices as a short circuit and overcurrent protector.
Disclosure of Invention
The technical problem is as follows: at present, melt replacement is finished manually, the efficiency is low, and certain personal injury risk exists in manual operation.
In order to solve the problems, the automatic replacing device for the fuse melt of the sealed fuse of the distribution box is designed in the embodiment, the automatic replacing device for the fuse melt of the sealed fuse of the distribution box comprises the distribution box, a main cavity with an opening facing right is arranged in the distribution box, a power supply cutting device used for cutting off power supply and recovering power supply is arranged in the main cavity, a melt replacing device arranged on the right side of the power supply cutting device is arranged in the main cavity, the melt replacing device is used for replacing the melt and polishing a carbonization layer of a fuse base, and comprises a lifting slide rail fixedly connected to the rear end face of the main cavity, a linear motor slidably connected to the front end face of the lifting slide rail, a transverse moving box fixedly connected to the front end face of the linear motor, a transverse moving cavity arranged in the transverse moving box, and a rack which is connected to the rear inner wall of the transverse moving cavity and extends to the left and right outside the end, Fixed connection in just be located on the rack the left anchor clamps case of sideslip case, set up in anchor clamps incasement and upper and lower open-ended anchor clamps chamber, two sliding connection in on the terminal surface of anchor clamps chamber downside and around symmetrical connecting rod, fixed connection in the grip block on the terminal surface of connecting rod upside, through but the grip block centre gripping the fuse-element, through the rack about move with linear electric motor reciprocates and can realize changing the required motion of fuse-element, be equipped with in the main cavity and be located the fuse-element storage device who is used for storing the fuse-element of fuse-element change device downside, be equipped with in the main cavity and be located the left waste material storage device of fuse-element storage device, waste material storage device is used for relieving the grip block is right the centre gripping of fuse-element with.
Preferably, the auxiliary box door is rotatably connected to the opening at the right side of the main cavity.
Wherein, the power supply cut-off device comprises a power supply switch fixedly connected on the inner wall of the left side of the main cavity, the power supply switch is provided with a shifting lever, the inner wall of the rear side of the main cavity is slidably connected with a push block which can be abutted against the shifting lever, the end surface of the right side of the push block is fixedly connected with an auxiliary push plate, the inner wall of the rear side of the main cavity is fixedly connected with an electromagnet positioned at the lower side of the push block, a spring is connected between the electromagnet and the push block, the inner wall of the rear side of the main cavity is fixedly connected with an auxiliary cylinder positioned at the right side of the electromagnet, an auxiliary air cavity is arranged in the auxiliary cylinder, an auxiliary sliding plug is slidably connected in the auxiliary air cavity, the end surface of the upper side of the auxiliary sliding plug is fixedly connected with a connecting rod which extends upwards into the main, and the fixed plate can be abutted against the auxiliary push plate.
Wherein, the melt replacing device also comprises an air cylinder which is fixedly connected on the front side end face of the lifting slide rail and positioned on the upper side of the linear motor, an air cavity is arranged in the air cylinder, a one-way valve communicated in a downward one-way is arranged on the upper side end face of the air cavity, a sliding plug is connected in the air cavity in a sliding way, a lifting rod extending downwards to the outside of the end face of the air cavity is fixedly connected on the lower side end face of the sliding plug, a reset spring is connected between the sliding plug and the lower side inner wall of the air cavity, a push plate positioned in the main cavity is fixedly connected on the lifting rod and can be abutted against the linear motor, a motor shaft extending backwards is rotatably connected on the front side inner wall of the transverse moving cavity and is positioned on the lower side of the rack, a motor fixedly connected on the motor shaft is connected on the front side inner wall of the, the upper end face of the transverse moving box is fixedly connected with a connecting rod, the front end face of the connecting rod is rotatably connected with a rotating shaft extending forwards, the rotating shaft is in power connection with a polishing motor fixedly connected to the end face of the front side of the connecting rod, the rotating shaft is fixedly connected with a polishing wheel, a clamping spring is connected between the clamping plate and the inner wall of the clamp cavity at one side far away from the symmetric center, one side of the connecting rod box, which is far away from the symmetric center, extends out of the end surface of the clamp cavity, a driven rod positioned outside the end surface of the clamp cavity is fixedly connected on the end surface of the lower side of the connecting rod, the clamping plate is internally provided with an inserting hole with a backward opening, the inner wall of the lower side of the clamp cavity is provided with two sliding chutes which are symmetrical in the front and back and are communicated up and down, the sliding rod is connected with the sliding rod in the sliding groove in a sliding mode and extends up and down, the sliding rod is fixedly connected with a bolt which can extend into the inserting hole, and a compression spring is connected between the sliding rod and the inner wall of the rear side of the clamp cavity.
Wherein, fuse-element storage device include fixed connection in store the frame on the main cavity front side inner wall, be equipped with opening slot up in storing the frame, one can peg graft in the slot the fuse-element, store on the frame right side terminal surface fixedly connected with can with the sloping block of slide bar butt, fuse-base fixed connection in on the main cavity left side inner wall, it has one to peg graft on the fuse-base the fuse-element, fixedly connected with is located on the main cavity front side inner wall the shelves pole on fuse-base right side, the shelves pole can with the slide bar butt.
Wherein the waste material storage device comprises a waste material cavity which is arranged in the main cavity and has an opening facing left and facing upwards, the waste material cavity is positioned on the left side of the storage rack, the opening on the left side of the waste material cavity is rotatably connected with a box door, the inner wall on the left side of the main cavity is fixedly connected with a piston cylinder positioned on the lower side of the fuse base, a piston cavity is arranged in the piston cylinder, a piston is connected in the piston cavity in a sliding manner, the upper end surface of the piston is fixedly connected with a piston rod extending upwards into the main cavity, the piston rod is fixedly connected with a lifting plate positioned in the main cavity, the upper end surface of the lifting plate is fixedly connected with two trapezoidal blocks which are symmetrical front and back, the trapezoidal blocks can be abutted against the driven rod, an air pipe is communicated between the piston cavity and the air cavity, and a cylinder communicated with the piston cavity, the cylinder opening is down, the drum with it has the connecting pipe to communicate with each other between the vice air cavity, sliding connection has on the drum front side inner wall can make the drum with the communicating piece that intercepts in piston cavity, fixedly connected with extends to on the piece right side terminal surface that dams vice connecting rod in the connecting pipe, fixedly connected with sliding connection in on the vice connecting rod vice sliding plug in the connecting pipe, respectively fixedly connected with a dead lever on waste material chamber front side and the rear side inner wall, two the dead lever longitudinal symmetry just is located the piston cylinder right side, fixedly connected with on the dead lever can with the wedge of driven lever butt, fixedly connected with lithium cell on the inner wall of main cavity right side, the lithium cell be used for the motor the electro-magnet linear electric motor provides the power.
The invention has the beneficial effects that: the power supply cutting mechanism can automatically cut off a main line power supply through the electromagnet powered adsorption shifting block, the whole replacing device is powered by an independent lithium battery, the melt replacing mechanism realizes clamping and fixing of a melt through the clamp, then the melt replacing mechanism drives the clamp to move downwards to convey and store the melt in the recycling box, meanwhile, the polishing mechanism starts to move downwards along with the melt replacing mechanism to polish and remove a carbonization layer of a contact on the shell of the melter, the melt replacing mechanism moves to the storage position to take out a new melt, and the melt replacing mechanism is installed on the shell of the melter to complete melt replacing and carbonization layer removing.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic view of the overall structure of an automatic melt exchanging device for a sealed fuse of a distribution box according to the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;
FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 1;
FIG. 5 is a schematic view of the structure in the direction "D-D" of FIG. 1;
FIG. 6 is an enlarged view of the structure at "E" in FIG. 1;
FIG. 7 is an enlarged view of the structure at "F" in FIG. 1;
FIG. 8 is an enlarged view of the structure at "G" in FIG. 1;
FIG. 9 is a schematic view of the structure in the direction "H-H" of FIG. 7;
FIG. 10 is an enlarged view of the structure at "I" of FIG. 7;
fig. 11 is an enlarged view of the structure at "J" of fig. 1.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 11, and for the sake of convenience of description, the following orientations will be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a distribution box sealed fuse melt automatic replacing device, which is mainly applied to fuse melt automatic replacing, and the invention is further explained by combining the attached drawings of the invention:
the invention relates to an automatic melt replacing device for a sealed fuse of a distribution box, which comprises a distribution box 11, wherein a main cavity 12 with a right opening is arranged in the distribution box 11, a power supply cut-off device 101 for cutting off a power supply and recovering the power supply is arranged in the main cavity 12, a melt replacing device 102 positioned on the right side of the power supply cut-off device 101 is arranged in the main cavity 12, the melt replacing device 102 is used for replacing a melt 22 and polishing a carbonized layer of a fuse base 21, the melt replacing device 102 comprises a lifting slide rail 13 fixedly connected to the rear end face of the main cavity 12, a linear motor 31 slidably connected to the front end face of the lifting slide rail 13, a transverse moving box 33 fixedly connected to the front end face of the linear motor 31, a transverse moving cavity 43 arranged in the transverse moving box 33, a rack 32 laterally connected to the rear inner wall of the transverse moving cavity 43 and extending to the left and right outside of the end face of the, A clamp box 36 fixedly connected to the rack 32 and positioned on the left side of the traverse box 33, a clamp chamber 37 arranged in the clamp box 36 and having an upper opening and a lower opening, two connecting rods 40 slidably connected to the lower end surface of the clamp chamber 37 and symmetrical in the front-back direction, a clamping plate 39 fixedly connected to the upper end surface of the connecting rods 40, the melt 22 can be clamped by the clamping plate 39, the movement required for replacing the melt 22 can be realized by the left and right movement of the rack 32 and the up and down movement of the linear motor 31, a melt storage device 103 for storing the melt 22 is provided in the main chamber 12 on the lower side of the melt exchanging device 102, a waste reservoir 104 is provided in the main chamber 12 to the left of the melt reservoir 103, the scrap receptacle 104 is used to release the clamping plate 39 from clamping the melt 22 and to store the waste melt 22.
Advantageously, a secondary door 35 is pivotally connected to the right side opening of the main chamber 12.
According to the embodiment, the power cut-off device 101 is described in detail below, the power cut-off device 101 includes a power switch 26 fixedly connected to the inner wall of the left side of the main cavity 12, the power switch 26 is provided with a shift lever 27, the inner wall of the rear side of the main cavity 12 is slidably connected with a push block 28 capable of abutting against the shift lever 27, the right end face of the push block 28 is fixedly connected with an auxiliary push plate 78, the inner wall of the rear side of the main cavity 12 is fixedly connected with an electromagnet 72 positioned at the lower side of the push block 28, a spring 71 is connected between the electromagnet 72 and the push block 28, the inner wall of the rear side of the main cavity 12 is fixedly connected with an auxiliary cylinder 75 positioned at the right side of the electromagnet 72, an auxiliary air cavity 77 is arranged in the auxiliary cylinder 75, an auxiliary sliding plug 76 is slidably connected in the auxiliary air cavity 77, and a connecting rod 74 extending upwards into the main cavity, two fixing plates 73 which are symmetrical up and down are fixedly connected to the left end face of the connecting rod 74, the fixing plates 73 are located in the main cavity 12, the fixing plates 73 can be abutted to the auxiliary push plate 78, the push block 28 is electrically adsorbed by controlling the electromagnet 72, the push block 28 drives the shift lever 27 to move down, and power supply cut-off is achieved.
According to the embodiment, the melt exchanging device 102 is described in detail below, the melt exchanging device 102 further includes a cylinder 30 fixedly connected to the front end surface of the lifting slide rail 13 and located on the upper side of the linear motor 31, an air cavity 60 is provided in the cylinder 30, a one-way valve 48 communicated in one way downward is provided on the upper end surface of the air cavity 60, a sliding plug 59 is slidably connected in the air cavity 60, a lifting rod 62 extending downward to the outside of the end surface of the air cavity 60 is fixedly connected to the lower end surface of the sliding plug 59, a return spring 61 is connected between the sliding plug 59 and the lower inner wall of the air cavity 60, a push plate 63 located in the main cavity 12 is fixedly connected to the lifting rod 62, the push plate 63 can abut against the linear motor 31, a motor shaft 45 extending rearward is rotatably connected to the front inner wall of the traverse cavity 43, and the motor shaft 45 is located on the lower side of the rack, a motor 44 fixedly connected to the inner wall of the front side of the traverse chamber 43 is connected to the motor shaft 45 in a power manner, a gear 46 engaged with the rack 32 is fixedly connected to the motor shaft 45, a connecting rod 25 is fixedly connected to the end surface of the upper side of the traverse chamber 33, a rotating shaft 24 extending forward is rotatably connected to the end surface of the front side of the connecting rod 25, a polishing motor 54 fixedly connected to the end surface of the front side of the connecting rod 25 is connected to the rotating shaft 24 in a power manner, a polishing wheel 23 is fixedly connected to the rotating shaft 24, a clamping spring 38 is connected between the clamping plate 39 and the inner wall of the clamp chamber 37 on the side far from the center of symmetry, one side of the connecting rod 40 far from the center of symmetry extends out of the end surface of the clamp chamber 37, a driven rod 41 positioned outside the end surface of the clamp chamber 37 is fixedly connected to the end surface of the, be equipped with two front and back symmetries and the spout 29 that link up from top to bottom on the anchor clamps chamber 37 downside inner wall, sliding connection has the slide bar 42 of extending from top to bottom in the spout 29, fixedly connected with can extend to on the slide bar 42 bolt 58 in the jack 57, slide bar 42 with be connected with compression spring 56 between the anchor clamps chamber 37 rear side inner wall, through the effect of centre gripping spring 38 elasticity can make the grip block 39 centre gripping is fixed fuse-element 22.
According to the embodiment, the melt storage device 103 is described in detail below, the melt storage device 103 includes a storage rack 14 fixedly connected to the inner wall of the front side of the main cavity 12, an insertion slot 15 with an upward opening is provided in the storage rack 14, one of the melts 22 is inserted into the insertion slot 15, a slope block 47 capable of abutting against the sliding rod 42 is fixedly connected to the right end face of the storage rack 14, the fuse base 21 is fixedly connected to the inner wall of the left side of the main cavity 12, one of the melts 22 is inserted into the fuse base 21, a blocking rod 49 positioned at the right side of the fuse base 21 is fixedly connected to the inner wall of the front side of the main cavity 12, the blocking rod 49 can abut against the sliding rod 42, and the sliding rod 42 can drive the plug pin 58 to move backwards to release the limit of the holding plate 39 by the abutting against the blocking rod 49 against the sliding rod 42, the holding plate 39 holds and fixes the fuse element 22 on the fuse base 21.
According to the embodiment, the waste material storing device 104 is described in detail below, the waste material storing device 104 includes a waste material cavity 16 disposed in the main cavity 12 and having an opening facing left and facing upward, the waste material cavity 16 is located on the left side of the storage rack 14, a box door 17 is rotatably connected to the opening of the left side of the waste material cavity 16, a piston cylinder 18 located on the lower side of the fuse base 21 is fixedly connected to the inner wall of the left side of the main cavity 12, a piston cavity 19 is disposed in the piston cylinder 18, a piston 66 is slidably connected in the piston cavity 19, a piston rod 65 extending upward into the main cavity 12 is fixedly connected to the upper end surface of the piston 66, a lifting plate 53 located in the main cavity 12 is fixedly connected to the piston rod 65, two symmetrical trapezoidal blocks 20 are fixedly connected to the upper end surface of the lifting plate 53, and the trapezoidal blocks 20 can abut against the driven rod 41, an air pipe 55 is communicated and connected between the piston cavity 19 and the air cavity 60, a cylinder 67 communicated with the piston cavity 19 is fixedly connected on the lower side end face of the piston cavity 19, the opening of the cylinder 67 faces downwards, a connecting pipe 64 is communicated and connected between the cylinder 67 and the auxiliary air cavity 77, a flow interception block 70 which can lead the cylinder 67 and the piston cavity 19 not to be communicated is slidably connected on the inner wall of the front side of the cylinder 67, an auxiliary connecting rod 69 extending into the connecting pipe 64 is fixedly connected on the end face of the right side of the flow interception block 70, an auxiliary sliding plug 68 slidably connected in the connecting pipe 64 is fixedly connected on the auxiliary connecting rod 69, a fixed rod 50 is fixedly connected on the inner wall of the front side and the inner wall of the rear side of the waste cavity 16 respectively, the two fixed rods 50 are longitudinally symmetrical and positioned on the right side of the piston cylinder 18, and a wedge-shaped block 51 which can be abutted against the driven rod, fixedly connected with lithium cell 34 on the inner wall of main cavity 12 right side, lithium cell 34 is used for doing motor 44 the electro-magnet 72 linear electric motor 31 provides the power, through linear electric motor 31 drives anchor clamps case 36 moves down, makes follower lever 41 with wedge 51 butt can make grip block 39 releases fuse-element 22, makes fuse-element 22 falls store in the waste material chamber 16.
The following detailed description of the steps of the automatic melt exchanging device for sealed fuses of distribution boxes in the present disclosure is provided with reference to fig. 1 to 11:
at the beginning, the electromagnet 72 is not electrified, the spring 71 enables the push block 28 to be located at the upper limit position, the auxiliary push plate 78 to be in contact with the upper fixing plate 73, the connecting rod 74 and the auxiliary sliding plug 76 are located at the upper limit position, the deflector rod 27 is located at the upper limit position, the power switch 26 is in an electrified state, the linear motor 31 is located at the upper limit position, the push plate 63 abuts against the linear motor 31, the push plate 63, the lifting rod 62 and the sliding plug 59 are located at the upper limit position, the clamping plate 39 is located at the limit position on the side far away from the symmetric center, the plug pin 58 is located in the jack 57 and limits the movement of the clamping plate 39, the clamp box 36 is located on the left side of the stop rod 49, a melt 22 is inserted in the fuse base 21, a melt 22 is inserted in the slot 15, the piston 66 and the lifting plate 53 are located at the lower limit position, the auxiliary sliding.
When the melt 22 needs to be replaced, the electromagnet 72 is electrified to adsorb the push block 28, the push block 28 moves downwards to drive the shift lever 27 to move downwards to close the power switch 26, the power is cut off, the push block 28 moves downwards to drive the auxiliary push plate 78 to move downwards, the auxiliary push plate 78 is abutted against the fixed plate 73 on the lower side and drives the fixed plate 73 on the lower side to move downwards, the fixed plate 73 on the lower side drives the connecting rod 74 and the auxiliary sliding plug 76 to move downwards, the air flow generated by the downward movement of the auxiliary sliding plug 76 is conveyed into the connecting pipe 64, the air flow drives the auxiliary sliding plug 68 to move leftwards, the auxiliary sliding plug 68 drives the cutoff block 70 to move leftwards through the auxiliary connecting rod 69,
then the motor 44 is started, the motor 44 drives the motor shaft 45 to rotate, the motor shaft 45 drives the gear 46 to rotate, the gear 46 is connected with the movable rack 32 through meshing to move left, the rack 32 drives the clamp box 36 to move left, so that the melt 22 on the fuse base 21 is positioned in the clamping plate 39, then the clamping plate 39 continues to move left, the sliding rod 42 is abutted with the stop lever 49, the stop lever 49 enables the sliding rod 42 to move right relative to the clamping plate 39, so that the bolt 58 is separated from the insertion hole 57, then the clamping plate 39 moves to one side close to the symmetrical center to clamp the melt 22 on the fuse base 21 under the action of the clamping spring 38, then the motor 44 is reversed, the rack 32 moves right to enable the driven rod 41 to be positioned on the upper side of the wedge block 51,
the linear motor 31 and the grinding motor 54 are started, the grinding motor 54 drives the rotating shaft 24 and the grinding wheel 23 to rotate, the linear motor 31 moves downwards along the lifting slide rail 13, the linear motor 31 drives the connecting rod 25 to move downwards, the connecting rod 25 drives the grinding wheel 23 to move downwards to grind and remove a carbonized layer on a contact of the fuse base 21, the linear motor 31 drives the traverse box 33 and the rack 32 to move downwards, so that the driven rod 41 is abutted against the wedge-shaped block 51, the wedge-shaped block 51 enables the driven rod 41 to move to a limiting position to one side away from the symmetrical center and release the clamped melt 22, so that the melt 22 falls into the waste cavity 16 to be stored, at the moment, the sliding rod 42 moves forwards under the action of the compression spring 56, the bolt 58 is abutted against the jack 57 again, and the movement of the,
then the linear motor 31 moves upwards by a distance and stops rotating, the motor 44 is started to drive the motor shaft 45 and the gear 46 to rotate, so that the rack 32 moves rightwards, when the slide rod 42 is positioned on the upper side of the inclined plane block 47, the motor 44 stops rotating, the linear motor 31 is started, the melt 22 on the slot 15 is positioned in the clamping plate 39 along the lifting slide rail 13, then the slide rod 42 is abutted against the inclined plane block 47, the inclined plane block 47 pushes the slide rod 42 to move rightwards, the bolt 58 is separated from the contact with the jack 57 again, the clamping plate 39 clamps and fixes the melt 22 on the slot 15 under the action of the clamping spring 38, at the moment, the push plate 63 is separated from the contact with the linear motor 31, under the action of the return spring 61, the sliding plug 59, the return spring 61 and the push plate 63 move downwards to the lower limit position, the external air flow is supplemented into the air cavity 60 through the one-way valve 48 in the downward moving process of the sliding plug 59, then the linear, the linear motor 31 drives the traverse box 33 to move upwards, the linear motor 31 is contacted with the push plate 63 again, the linear motor 31 drives the push plate 63 to move upwards and reset, the push plate 63 drives the sliding plug 59 to move upwards through the lifting rod 62, airflow generated by the upward movement of the sliding plug 59 is conveyed into the piston cavity 19 through the air pipe 55 and drives the piston 66 to move upwards to an upper limit position, the piston 66 drives the lifting plate 53 and the trapezoidal block 20 to move upwards to the upper limit position through the piston rod 65, the linear motor 31 stops rotating after moving upwards and resetting is finished, the grinding motor 54 stops rotating, then the motor 44 is started, the motor 44 drives the rack 32 to move leftwards, the melt 22 clamped by the clamping plate 39 is inserted into the fuse-link base 21, then the sliding rod 42 is abutted against the stop rod 49, the driven rod 41 is abutted against the trapezoidal block 20, the trapezoidal block 20 enables the driven rod 41 to move to the limit position far away from the symmetrical center side, after the sliding rod 42 is separated from the stop rod 49, the bolt 58 is inserted into the insertion hole 57 again, then the trapezoidal blocks 20 are separated from the contact with the driven rod 41, the melt 22 is replaced, then the rack 32 moves rightwards to be reset, the motor 44 stops rotating,
when the electromagnet 72 is powered off, the push block 28 moves upwards to reset under the action of the spring 71, the push block 28 drives the shift lever 27 to move upwards to enable the power switch 26 to be powered on and power is restored, the push block 28 drives the fixing plate 73 on the upper side to move upwards to reset through the auxiliary push plate 78, the fixing plate 73 on the upper side drives the connecting rod 74 and the auxiliary sliding plug 76 to move upwards to reset, negative pressure generated by the upward movement of the auxiliary sliding plug 76 drives the auxiliary sliding plug 68 to move rightwards to reset through the connecting pipe 64, the cylinder 67 is communicated with the piston cavity 19, and the piston 66 moves downwards to reset under the gravity action of the trapezoidal block 20, the lifting plate 53, the piston rod.
The invention has the beneficial effects that: the power supply cutting mechanism can automatically cut off a main line power supply through the electromagnet powered adsorption shifting block, the whole replacing device is powered by an independent lithium battery, the melt replacing mechanism realizes clamping and fixing of a melt through the clamp, then the melt replacing mechanism drives the clamp to move downwards to convey and store the melt in the recycling box, meanwhile, the polishing mechanism starts to move downwards along with the melt replacing mechanism to polish and remove a carbonization layer of a contact on the shell of the melter, the melt replacing mechanism moves to the storage position to take out a new melt, and the melt replacing mechanism is installed on the shell of the melter to complete melt replacing and carbonization layer removing.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (6)
1. An automatic melt replacing device for a sealed fuse of a distribution box comprises the distribution box; the method is characterized in that: be equipped with the main cavity that the opening faced right in the block terminal, be equipped with the power cut-off device that is used for cutting off power and resumes circular telegram in the main cavity, be equipped with in the main cavity and be located the fuse-element on power cut-off device right side changes the device, the fuse-element is changed the device and is used for changing the fuse-element and polish the processing to the carbide layer of fuse-base, the fuse-element is changed the device and is included fixed connection in lift slide rail, sliding connection on the main cavity rear end face in, linear electric motor on the lift slide rail front end face, fixed connection in cross-moving case on the linear electric motor front end face, set up in cross-moving chamber, sliding connection in extend to on the cross-moving chamber rear side inner wall and about to rack, fixed connection outside the cross-moving chamber end face on the rack and be located the left anchor clamps case of cross-moving case, Two sliding connection in connecting rod, fixed connection in on the terminal surface of anchor clamps chamber downside and the front and back symmetry the grip block on the terminal surface of connecting rod, through but the grip block centre gripping the fuse-element, through about the rack with linear electric motor reciprocates and can realize changing the required motion of fuse-element, be equipped with in the main cavity and be located the fuse-element storage device that is used for storing the fuse-element of fuse-element change device downside, be equipped with in the main cavity and be located the left waste material storage device of fuse-element storage device, waste material storage device is used for relieving the grip block is right the centre gripping of fuse-element with store the abandonment the fuse-element.
2. The automatic melt changer for sealed fuses of distribution boxes according to claim 1, wherein: an auxiliary box door is rotatably connected to the opening on the right side of the main cavity.
3. The automatic melt changer for sealed fuses of distribution boxes according to claim 2, wherein: the power supply cut-off device comprises a power supply switch fixedly connected on the inner wall of the left side of the main cavity, a deflector rod is arranged on the power supply switch, a push block which can be abutted against the deflector rod is connected on the inner wall of the rear side of the main cavity in a sliding way, an auxiliary push plate is fixedly connected on the end face of the right side of the push block, an electromagnet positioned on the lower side of the push block is fixedly connected on the inner wall of the rear side of the main cavity, a spring is connected between the electromagnet and the push block, an auxiliary cylinder positioned on the right side of the electromagnet is fixedly connected on the inner wall of the rear side of the main cavity, an auxiliary air cavity is arranged in the auxiliary cylinder, an auxiliary sliding plug is slidably connected in the auxiliary air cavity, a connecting rod which extends upwards into the main cavity is fixedly connected on the upper side end face of the auxiliary sliding plug, two fixing plates which are symmetrical up and down are fixedly connected to the end face of the left side of the connecting rod, the fixing plates are located in the main cavity, and the fixing plates can be abutted to the auxiliary push plate.
4. The automatic melt changer for sealed fuses of distribution boxes according to claim 3, wherein: the melt replacing device also comprises an air cylinder which is fixedly connected on the front side end face of the lifting slide rail and positioned on the upper side of the linear motor, an air cavity is arranged in the air cylinder, a one-way valve communicated in a downward one-way is arranged on the upper side end face of the air cavity, a sliding plug is connected in the air cavity in a sliding way, a lifting rod extending downwards to the outside of the end face of the air cavity is fixedly connected on the lower side end face of the sliding plug, a reset spring is connected between the sliding plug and the lower side inner wall of the air cavity, a push plate positioned in the main cavity is fixedly connected on the lifting rod and can be abutted against the linear motor, a motor shaft extending backwards is rotatably connected on the front side inner wall of the transverse moving cavity and is positioned on the lower side of the rack, a motor fixedly connected on the front side inner wall of the transverse moving cavity is connected on the, the upper end face of the transverse moving box is fixedly connected with a connecting rod, the front end face of the connecting rod is rotatably connected with a rotating shaft extending forwards, the rotating shaft is in power connection with a polishing motor fixedly connected to the end face of the front side of the connecting rod, the rotating shaft is fixedly connected with a polishing wheel, a clamping spring is connected between the clamping plate and the inner wall of the clamp cavity at one side far away from the symmetric center, one side of the connecting rod box, which is far away from the symmetric center, extends out of the end surface of the clamp cavity, a driven rod positioned outside the end surface of the clamp cavity is fixedly connected on the end surface of the lower side of the connecting rod, the clamping plate is internally provided with an inserting hole with a backward opening, the inner wall of the lower side of the clamp cavity is provided with two sliding chutes which are symmetrical in the front and back and are communicated up and down, the sliding rod is connected with the sliding rod in the sliding groove in a sliding mode and extends up and down, the sliding rod is fixedly connected with a bolt which can extend into the inserting hole, and a compression spring is connected between the sliding rod and the inner wall of the rear side of the clamp cavity.
5. The automatic melt changer for sealed fuses of distribution boxes according to claim 4, wherein: fuse-element storage device include fixed connection in store the frame on the main cavity front side inner wall, be equipped with opening slot up in storing the frame, but one in the slot peg graft the fuse-element, store on the frame right side end face fixedly connected with can with the sloping block of slide bar butt, fuse-base fixed connection in on the main cavity left side inner wall, it has one to peg graft on the fuse-base the fuse-element, fixedly connected with is located on the main cavity front side inner wall the shelves pole on fuse-base right side, the shelves pole can with the slide bar butt.
6. The automatic melt changer for sealed fuses of distribution boxes according to claim 5, wherein: the waste material storage device comprises a waste material cavity which is arranged in the main cavity, the opening of the left side of the waste material cavity faces left and faces upwards, the waste material cavity is positioned on the left side of the storage rack, the opening of the left side of the waste material cavity is rotatably connected with a box door, the inner wall of the left side of the main cavity is fixedly connected with a piston cylinder positioned on the lower side of the fuse base, a piston cavity is arranged in the piston cylinder, a piston is connected in the piston cavity in a sliding manner, the upper end surface of the piston is fixedly connected with a piston rod extending upwards into the main cavity, the piston rod is fixedly connected with a lifting plate positioned in the main cavity, the upper end surface of the lifting plate is fixedly connected with two trapezoidal blocks which are symmetrical front and back, the trapezoidal blocks can be abutted against the driven rod, the piston cavity is communicated with the air cavity, and the lower, the cylinder opening is down, the drum with it has the connecting pipe to communicate with each other between the vice air cavity, sliding connection has on the drum front side inner wall can make the drum with the communicating piece that intercepts in piston cavity, fixedly connected with extends to on the piece right side terminal surface that dams vice connecting rod in the connecting pipe, fixedly connected with sliding connection in on the vice connecting rod vice sliding plug in the connecting pipe, respectively fixedly connected with a dead lever on waste material chamber front side and the rear side inner wall, two the dead lever longitudinal symmetry just is located the piston cylinder right side, fixedly connected with on the dead lever can with the wedge of driven lever butt, fixedly connected with lithium cell on the inner wall of main cavity right side, the lithium cell be used for the motor the electro-magnet linear electric motor provides the power.
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| CN201911108444.6A CN110739609B (en) | 2019-11-13 | 2019-11-13 | Automatic device of changing of block terminal sealed fuse-element |
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| CN201911108444.6A CN110739609B (en) | 2019-11-13 | 2019-11-13 | Automatic device of changing of block terminal sealed fuse-element |
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| CN111341617B (en) * | 2020-04-21 | 2021-06-01 | 国网安徽省电力有限公司铜陵市义安区供电公司 | Block terminal sealed fuse solution changes device |
| CN111482537B (en) * | 2020-05-11 | 2020-11-20 | 福州市长乐区艾德利电子科技有限公司 | Clamping fixing and overload protection device of steel bar shearing machine |
| CN111710575B (en) * | 2020-06-23 | 2022-11-08 | 国网湖北省电力有限公司咸宁供电公司 | Self-replacing fuse |
| CN111740316B (en) * | 2020-07-10 | 2022-02-15 | 北京国能国源能源科技有限公司 | Automatic device of changing of block terminal sealed fuse-element |
| CN111968893A (en) * | 2020-07-10 | 2020-11-20 | 刘辉 | Low-voltage compound fuse capable of replacing fuse without disassembling |
| CN113346456B (en) * | 2021-07-29 | 2021-11-02 | 广东悦越汽车服务有限公司深圳分公司 | Emergency protection circuit device of new energy equipment |
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