CN116722380A - Electric equipment grounding device of hydropower plant - Google Patents
Electric equipment grounding device of hydropower plant Download PDFInfo
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- CN116722380A CN116722380A CN202310970802.4A CN202310970802A CN116722380A CN 116722380 A CN116722380 A CN 116722380A CN 202310970802 A CN202310970802 A CN 202310970802A CN 116722380 A CN116722380 A CN 116722380A
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- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000003756 stirring Methods 0.000 claims abstract description 20
- 238000001125 extrusion Methods 0.000 claims description 54
- 238000003825 pressing Methods 0.000 claims description 28
- 230000006835 compression Effects 0.000 description 16
- 238000007906 compression Methods 0.000 description 16
- 239000012212 insulator Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/16—Earthing arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The application relates to the technical field of grounding equipment, in particular to an electrical equipment grounding device of a hydropower plant, which comprises a shell, a first connecting piece, a second connecting piece and a third connecting piece, wherein the shell comprises an outer sheath and a toggle groove arranged on the outer sheath; the connecting mechanism comprises a limiting piece arranged on the outer sheath, a sliding piece slidingly arranged on the limiting piece and a grounding piece arranged on the sliding piece; the control mechanism comprises an insulating rod which is rotatably arranged on the limiting part, a pushing disc which is arranged on the insulating rod, and a stirring part which is arranged on the insulating rod.
Description
Technical Field
The application relates to the technical field of grounding equipment, in particular to an electrical equipment grounding device of a hydropower plant.
Background
When electrical equipment in a hydroelectric power plant fails and needs maintenance or repair, a bus of the electrical equipment needs to be grounded first, and when the electrical equipment is grounded, a temporary grounding device is generally used for grounding, for example, a grounding rod, a grounding clamp and the like.
When the grounding rod is connected with the cable bus or the busbar for grounding, workers are required to approach the cable bus or the busbar, locking and fixing are manually completed, and the risk of operation is high in the grounding process due to high current and voltage loaded by the busbar or the cable bus, so that the electrical equipment grounding device of the hydropower plant is provided.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application.
The present application has been made in view of the above or the problem in the prior art that the grounding device is not convenient enough when connecting the cable bus and the busbar.
It is therefore an object of the present application to provide an electrical equipment grounding device for a hydropower plant.
In order to solve the technical problems, the application provides the following technical scheme: the grounding device for the electrical equipment of the hydropower plant comprises a shell, a first connecting piece and a second connecting piece, wherein the shell comprises an outer sheath and a toggle groove arranged on the outer sheath; the connecting mechanism comprises a limiting piece arranged on the outer sheath, a sliding piece slidingly arranged on the limiting piece and a grounding piece arranged on the sliding piece; the control mechanism comprises an insulating rod rotationally arranged on the limiting part, a pushing disc arranged on the insulating rod and a poking part arranged on the insulating rod; when the insulating rod rotates, the sliding piece can be pushed by the pushing disc to control the grounding piece to open and close.
As a preferred embodiment of the electrical equipment grounding device of the hydropower plant according to the application, wherein: the limiting piece comprises a limiting seat arranged on the outer sheath and a sliding groove arranged on the limiting seat; the sliding piece comprises a sliding block which is arranged on the sliding groove in a sliding manner and a supporting rod which is arranged on the sliding block; the pushing disc comprises a rotary disc arranged on the insulating rod and an eccentric groove arranged on the rotary disc.
As a preferred embodiment of the electrical equipment grounding device of the hydropower plant according to the application, wherein: the grounding piece comprises a squeezing block arranged on the supporting rod, a fitting groove arranged on the squeezing block, and a grounding wire arranged on the squeezing block.
As a preferred embodiment of the electrical equipment grounding device of the hydropower plant according to the application, wherein: the connecting mechanism further comprises a supporting piece arranged on the limiting seat and a pushing component arranged on the supporting piece; the pushing component comprises a poking rod piece arranged on the supporting piece and a pressing piece rotatably arranged on the poking rod piece.
As a preferred embodiment of the electrical equipment grounding device of the hydropower plant according to the application, wherein: the supporting piece comprises a fixed block arranged on the limiting seat, a supporting table arranged on the fixed block and a containing groove arranged on the supporting table; the driving lever part comprises a positioning shaft arranged on the supporting table and a pushing arm rotatably arranged on the positioning shaft, and the pushing arm is provided with a limiting shaft; the compressing piece comprises a compression rod rotationally arranged on the limiting shaft, a compression head arranged on the compression rod and a straight groove arranged on the compression rod; the grounding piece further comprises a supporting shaft arranged on the extrusion block.
As a preferred embodiment of the electrical equipment grounding device of the hydropower plant according to the application, wherein: the pushing disc further comprises a connecting block arranged on the rotary disc and a limiting frame arranged on the connecting block; the outer wall of the rotary table is provided with an arc surface and an expansion surface; the deflector rod piece further comprises a torsion spring arranged on the limiting shaft; the compressing piece further comprises a curved rail arranged on the compression bar and a curved groove arranged on the curved rail.
As a preferred embodiment of the electrical equipment grounding device of the hydropower plant according to the application, wherein: the locking mechanism is also included; the locking mechanism comprises a plug connector which is glidingly arranged on the outer sheath; the stirring piece comprises a sleeve joint ring arranged on the insulating rod, a stirring block arranged on the sleeve joint ring and a locking groove arranged on the sleeve joint ring.
As a preferred embodiment of the electrical equipment grounding device of the hydropower plant according to the application, wherein: the plug connector comprises a sliding sleeve which is arranged on the outer sheath in a sliding manner, a limiting groove which is arranged on the sliding sleeve, and a plug rod which is arranged on the sliding sleeve; the shell also comprises a limit strip arranged on the outer sheath and a guide groove arranged on the outer sheath.
As a preferred embodiment of the electrical equipment grounding device of the hydropower plant according to the application, wherein: the locking groove comprises a positive arc groove, a vertical groove and a reverse arc groove which are arranged on the sleeve joint ring.
As a preferred embodiment of the electrical equipment grounding device of the hydropower plant according to the application, wherein: the shell also comprises a crankshaft arranged on the outer sheath; the locking mechanism further comprises a connecting rod piece arranged on the plug connector; the connecting rod piece comprises a pry bar rotatably arranged on the crankshaft and a pull rod rotatably arranged on the pry bar.
The grounding device for the electrical equipment of the hydropower plant has the beneficial effects that: according to the application, the insulating rod can be rotated by stirring the stirring piece, the sliding piece can be pushed by the pushing plate to control the grounding piece to open and close when the insulating rod rotates, the busbar and the cable bus are clamped and connected through the closing of the grounding piece, the grounding is completed, and in the grounding process, an operator can operate away from the busbar and the cable bus, so that the operation risk is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an overall schematic view of an electrical equipment grounding device of a hydropower plant.
Fig. 2 is a schematic structural view of a connection mechanism of an electrical equipment grounding device in a hydropower plant.
Fig. 3 is a schematic view of the internal structure of a limiting member of an electrical equipment grounding device of a hydropower plant.
Fig. 4 is a schematic sectional view of a connection mechanism of an electrical equipment grounding device of a hydropower plant.
Fig. 5 is a schematic view of the structure of the support of the electrical equipment grounding device of the hydropower plant.
Fig. 6 is a schematic diagram of a pushing tray structure of an electrical equipment grounding device of a hydropower plant.
Fig. 7 is a schematic structural view of a pressing member of an electrical equipment grounding device of a hydropower plant.
Fig. 8 is a schematic view of a housing structure of an electrical equipment grounding device of a hydropower plant.
Fig. 9 is a schematic diagram of a toggle member structure of an electrical equipment grounding device of a hydropower plant.
Fig. 10 is a schematic structural view of a locking mechanism of an electrical equipment grounding device of a hydropower plant.
Fig. 11 is a schematic view of a connection structure between a limit bar and an outer sheath of an electrical equipment grounding device of a hydropower plant.
In the figure:
100. a housing;
101. an outer sheath; 102. a toggle groove; 103. a limit bar; 104. a guide groove; 105. a crankshaft;
200. a connecting mechanism;
201. a limiting piece; 202. a sliding member; 203. a grounding member; 204. a support; 205. a pushing assembly;
201a, a limiting seat; 201b, a slip groove;
202a, a sliding block; 202b, supporting rods;
203a, an extrusion block; 203b, a lamination groove; 203c, a ground wire; 203d, a supporting shaft;
204a, a fixed block; 204b, a support table; 204c, a receiving groove;
205a, a lever member; 205b, a compression member;
205a-1, a positioning shaft; 205a-2, push arm; 205a-3, a limiting shaft; 205a-4, torsion springs;
205b-1, a compression bar; 205b-2, an extrusion head; 205b-3, straight grooves; 205b-4, a curved track; 205b-5, curved slots;
300. a control mechanism;
301. an insulating rod; 302. a pushing disc; 303. a toggle member;
302a, a turntable; 302b, eccentric slots; 302c, connecting blocks; 302d, a limiting frame; 302e, an expansion surface; 302f, arc surface;
303a, a socket ring; 303b, a dial; 303c, locking grooves;
303c-1, positive arc slot; 303c-2, vertical slots; 303c-3, an anti-arc groove;
400. a locking mechanism;
401. a plug-in component; 402. a link member;
401a, a slip cap; 401b, a limit groove; 401c, inserting a rod;
402a, tie rods; 402b, a pry bar.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will become more readily apparent, a more particular description of the application will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the application. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Embodiment 1, referring to fig. 1 to 11, is a first embodiment of the present application, and provides an electrical equipment grounding device for a hydropower plant, which includes a housing 100 including an outer sheath 101 and a toggle slot 102 provided on the outer sheath 101; the connecting mechanism 200 comprises a limiting piece 201 arranged on the outer sheath 101, a sliding piece 202 slidingly arranged on the limiting piece 201, and a grounding piece 203 arranged on the sliding piece 202; the control mechanism 300 comprises an insulating rod 301 rotatably arranged on the limiting piece 201, a pushing disc 302 arranged on the insulating rod 301, and a poking piece 303 arranged on the insulating rod 301; in this embodiment, the toggle member 303 can be controlled by the toggle slot 102, and the toggle member 303 can enable the insulating rod 301 to rotate, and when the insulating rod 301 rotates, the sliding member 202 can be pushed by the pushing disc 302 to control the grounding member 203 to open and close.
Specifically, the limiting piece 201 includes a limiting seat 201a disposed on the outer sheath 101, and a sliding groove 201b disposed on the limiting seat 201 a; in this embodiment, two symmetrically arranged sliding grooves 201b are formed on the limiting seat 201 a.
Preferably, the sliding member 202 includes a sliding block 202a slidably disposed in the sliding groove 201b, and a supporting rod 202b disposed on the sliding block 202 a; in this embodiment, the size of the sliding groove 201b and the size of the sliding block 202a are matched with each other, the supporting bar 202b is fixedly provided on the surface of the sliding block 202a, and the sliding block 202a can slide inside the sliding groove 201b.
Preferably, the pushing disc 302 includes a rotating disc 302a disposed on the insulating rod 301, and an eccentric groove 302b disposed on the rotating disc 302a, in this embodiment, the rotating disc 302a is fixedly disposed at an end portion of the insulating rod 301, the eccentric grooves 302b are two, the eccentric groove 302b is arc-shaped, the surface of the rotating disc 302a is in sliding fit connection with the surface of the limiting seat 201a, and the inner wall of the eccentric groove 302b is in sliding connection with the outer wall of the supporting rod 202 b.
Further, the grounding member 203 includes a pressing block 203a disposed on the supporting rod 202b, and a fitting groove 203b disposed on the pressing block 203a, and further includes a grounding wire 203c disposed on the pressing block 203a, in this embodiment, the pressing block 203a is made of conductive metal, the pressing block 203a is fixedly disposed at an end portion of the supporting rod 202b, the opposite sides of the two pressing blocks 203a are respectively provided with a fitting groove 203b, the fitting groove 203b is arc-shaped, and the grounding wire 203c is fixedly connected with the pressing block 203a through a bolt.
It should be noted that, the outer sheath 101 is fixedly connected with the limiting seat 201a, one end of the insulating rod 301 penetrates through the limiting seat 201a, the insulating rod 301 and the limiting seat 201a can rotate, and the insulating rod 301 is connected with the outer sheath 101 through a bearing.
When the cable bus is connected with the busbar and the cable bus, the insulating rod 301 is rotated through the stirring piece 303, the insulating rod 301 drives the pushing disc 302 to rotate together, when the pushing disc 302 rotates, the supporting rod 202b is pushed to slide through the eccentric groove 302b, the sliding block 202a slides in the sliding groove 201b, the two sliding blocks 202a are far away from each other, the two extrusion blocks 203a are further far away from each other and open, the cable bus or the busbar is arranged between the extrusion blocks 203a, at the moment, the pushing disc 302 is reversely rotated through reversely rotating the insulating rod 301, the two extrusion blocks 203a are controlled to be closed under the guidance of the eccentric groove 302b, the cable bus or the busbar is clamped, and the clamping effect on the cable bus can be increased through the arrangement of the attaching groove 203b, so that the grounding is completed under the combined action of the grounding wire 203c and the extrusion blocks 203 a.
In summary, in the process of grounding, operators can operate away from the busbar and the cable bus, so that the risk of operation is reduced.
Embodiment 2, referring to fig. 1 to 11, in a second embodiment of the present application, unlike the previous embodiment, the connection mechanism 200 further includes a support member 204 disposed on the limiting seat 201a, and a pushing component 205 disposed on the support member 204; in the present embodiment, the support 204 may support and reinforce the pressing block 203 a.
Preferably, the pushing assembly 205 includes a lever member 205a disposed on the supporting member 204, and a pressing member 205b rotatably disposed on the lever member 205a, and in this embodiment, the pushing disc 302 can push the lever member 205a during rotation and control the pressing member 205b to perform a pressing operation.
Specifically, the supporting piece 204 includes a fixed block 204a disposed on the limiting seat 201a, a supporting table 204b disposed on the fixed block 204a, and a receiving groove 204c disposed on the supporting table 204 b; in this embodiment, the fixed block 204a is fixedly disposed on the limiting seat 201a, the supporting table 204b is fixedly connected with the fixed block 204a, the fixed block 204a is slidably connected with the outer wall of the turntable 302a, two accommodating grooves 204c are provided, and the inner wall of the accommodating groove 204c is slidably connected with the outer wall of the supporting rod 202b, so that the strength of the supporting rod 202b and the extruding block 203a can be increased.
It should be noted that, the lever 205a includes a positioning shaft 205a-1 disposed on the supporting table 204b, and a pushing arm 205a-2 rotatably disposed on the positioning shaft 205a-1, and a limiting shaft 205a-3 is disposed on the pushing arm 205 a-2; in this embodiment, two positioning shafts 205a-1 are provided, the positioning shafts 205a-1 are fixedly disposed on the surface of the supporting table 204b, the pushing arm 205a-2 can rotate outside the positioning shafts 205a-1, one end of the pushing arm 205a-2 is attached to the outer surface of the turntable 302a, and a limiting shaft 205a-3 is fixedly mounted at one end of the pushing arm 205a-2 away from the turntable 302 a.
Preferably, the compressing element 205b includes a compression bar 205b-1 rotatably disposed on the limiting shaft 205a-3, a compression head 205b-2 disposed on the compression bar 205b-1, and a straight slot 205b-3 disposed on the compression bar 205 b-1; in this embodiment, the pressing rod 205b-1 is rotatably connected with the limiting shaft 205a-3, the pressing head 205b-2 is disposed at one end of the pressing rod 205b-1 near the limiting shaft 205a-3, and the straight groove 205b-3 is disposed at one end of the pressing rod 205b-1 far away from the limiting shaft 205a-3.
Preferably, the grounding member 203 further includes a supporting shaft 203d disposed on the extrusion block 203a, and in this embodiment, the straight slot 205b-3 is slidably connected to the supporting shaft 203d, and the supporting shaft 203d is fixedly disposed on the surface of the extrusion block 203 a.
It should be noted that, the extrusion block 203a is provided with a notch, the pushing arm 205a-2 is provided in the notch, the pushing arm 205a-2 may deflect in the notch, and the extrusion block 203a may slide outside the pushing arm 205 a-2.
Further, the pushing disc 302 further includes a connection block 302c disposed on the turntable 302a, and a limit frame 302d disposed on the connection block 302 c; in this embodiment, the connection block 302c is fixedly disposed on the outer wall of the turntable 302a, the turntable 302a is fixedly connected with the limit frame 302d through the connection block 302c, the outline of the limit frame 302d is matched with the outline of the turntable 302a, and the inner surface of the limit frame 302d is attached to the surface of the pushing arm 205 a-2.
Further, the outer wall of the turntable 302a is provided with an arc surface 302f and an expansion surface 302e; in the present embodiment, the center of the circular arc surface 302f is the same as the center of the turntable 302a, the pushing arm 205a-2 does not deflect when the turntable 302a rotates and the pushing arm 205a-2 contacts the circular arc surface 302f, the pushing arm 205a-2 deflects when rotated until the pushing arm 205a-2 contacts the expansion surface 302e, and the rotation angle of the pushing arm 205a-2 increases as the rotation angle changes.
Preferably, the lever member 205a further includes a torsion spring 205a-4 disposed on the limiting shaft 205a-3; in the present embodiment, a torsion spring 205a-4 is connected between the limiting shaft 205a-3 and the pressing rod 205b-1, and the torsion force of the torsion spring 205a-4 can cause the pressing head 205b-2 to move toward the pressing block 203 a.
Preferably, the compressing element 205b further includes a curved rail 205b-4 disposed on the compression bar 205b-1 and a curved groove 205b-5 disposed on the curved rail 205b-4, in this embodiment, the curved rail 205b-4 is fixedly disposed on the compression bar 205b-1, and the curved groove 205b-5 and the straight groove 205b-3 on the curved rail 205b-4 are mutually communicated, the center of the curved groove 205b-5 is the axial center position of the limiting shaft 205a-3, and the compression bar 205b-1 can be deflected by the arrangement of the curved groove 205 b-5.
The rest of the structure is the same as in embodiment 1.
In the initial state, when the two extrusion blocks 203a are in a close state, when the two extrusion blocks 203a are required to be connected with the cable bus, the cable bus is firstly close to and abutted against the two extrusion blocks 203a, then the insulation rod 301 is rotated by stirring the stirring piece 303, so that the pushing plate 302 is rotated, when the pushing plate 302 is rotated, the support rod 202b is pushed by the support shaft 302b to slide, so that the two extrusion blocks 203a are opened, simultaneously, the push arm 205a-2 is pushed to deflect by the rotation of the turntable 302a due to the existence of the expansion surface 302e on the turntable 302a, the push arm 205a-2 is deflected, the two extrusion heads 205b-2 are mutually close to each other after the push arm 205a-2 is deflected, the support shaft 203d is mutually far away, the height difference between the push arm 205a-2 and the limit seat 201a is reduced, simultaneously, the support shaft 203d slides in the straight groove 205b-3, finally, the two extrusion heads 205b-2 are gradually and the extrusion blocks 203a are gradually close to each other, the two extrusion heads 203a are mutually close to each other, the two extrusion heads 203b are mutually matched with the expansion surface 302b are mutually close to each other, and the two extrusion blocks 203b are mutually pressed into the extrusion groove, and the two extrusion blocks 203b are gradually pressed between the two extrusion blocks are gradually close to each other, and the two extrusion blocks are mutually close to each other, and the extrusion bus is mutually close to the bus, and the bus is mutually pressed to the bus between the two extrusion blocks, and the two extrusion blocks are mutually and the bus is in the bus and the bus is in a and a between the bus.
In the initial state, when the two extrusion blocks 203a are required to be connected with the busbar, the compression bar 205b-1 on one side and the busbar are buckled, so that one side of the busbar is clamped between the extrusion head 205b-2 on one side and the extrusion block 203a, when the busbar is inserted between the extrusion head 205b-2 and the extrusion block 203a, the support shaft 203d can slide into the curved groove 205b-5 through the deflection of the compression bar 205b-1 on the side, and finally the two extrusion heads 205b-2 tend to be parallel to each other, so that the space for clamping the busbar between the extrusion head 205b-2 and the extrusion block 203a is increased, and then the busbar is completely clamped between the two extrusion blocks 203a and the two extrusion heads 205 b-2.
After the busbar is clamped between the two extrusion blocks 203a and the two extrusion heads 205b-2, the insulating rod 301 is rotated by stirring the stirring piece 303, so that the pushing disc 302 is rotated, when the pushing disc 302 is rotated, the supporting rod 202b is pushed by the eccentric groove 302b to slide, so that the two extrusion blocks 203a are opened, simultaneously, the rotation of the turntable 302a pushes the pushing arm 205a-2 to deflect due to the existence of the expansion surface 302e on the turntable 302a, the two extrusion heads 205b-2 are mutually close after the pushing arm 205a-2 deflects, and the supporting shafts 203d are mutually far away due to the mutual far away of the extrusion blocks 203a, and the distance between the limiting shafts 205a-3 and the limiting seats 201a connected on the pushing arm 205a-2 is reduced after the pushing arm 205a-2 is inclined, and simultaneously, the supporting shafts 205b-3 slide inside the pushing arm 205a-2 and the two extrusion heads 203 b-2 are gradually close to each other, so that the two extrusion heads 203a are mutually clamped, and the busbar is gradually clamped by the two extrusion heads 203 b-2.
In summary, when the cable bus is connected with the cable bus, the extrusion blocks 203a can push the cable bus to enter between the two extrusion blocks 203a in the gradual opening process, the clamping and positioning are assisted, the operation difficulty is reduced, and when the cable bus is connected with the bus, the two extrusion blocks 203a are matched with the two extrusion heads 205b-2 to clamp and fix the bus.
Embodiment 3 referring to fig. 1 to 11, which is a third embodiment of the present application, unlike the previous embodiment, the present application further includes a locking mechanism 400; the locking mechanism 400 comprises a plug 401 slidably arranged on the outer sheath 101; in this embodiment, two connectors 401 are provided, and the two connectors 401 are symmetrically disposed.
Preferably, the stirring member 303 comprises a socket ring 303a arranged on the insulating rod 301, and a stirring block 303b arranged on the socket ring 303a, and further comprises a locking groove 303c arranged on the socket ring 303a, in this embodiment, the insulating rod 301 is made of insulating rubber, the socket ring 303a is fixedly connected with the insulating rod 301, the stirring block 303b is fixedly arranged on the surface of the socket ring 303a, the stirring block 303b is arranged in the stirring groove 102, and the locking grooves 303c are provided with a plurality of locking grooves and are uniformly distributed on the surface of the socket ring 303a at equal intervals.
Specifically, the plug connector 401 includes a sliding sleeve 401a slidably disposed on the outer sheath 101, a limiting groove 401b disposed on the sliding sleeve 401a, and a plug rod 401c disposed on the sliding sleeve 401 a; in this embodiment, the sliding sleeve 401a can slide on the inner wall of the outer sheath 101, the diameter of the inner surface of the sliding sleeve 401a is larger than that of the outer surface of the insulating rod 301, a plurality of limiting grooves 401b are formed, the limiting grooves 401b are uniformly formed in the outer surface of the sliding sleeve 401a, a plurality of inserting rods 401c are formed, the inserting rods 401c are uniformly fixed to the end portion of the sliding sleeve 401a in a circumferential state, and the inserting rods 401c and the limiting grooves 401b are distributed at intervals.
Preferably, the casing 100 further includes a plurality of limiting strips 103 disposed on the outer jacket 101, and a guide groove 104 disposed on the outer jacket 101, in this embodiment, the limiting strips 103 are fixedly disposed on an inner wall of the outer jacket 101, the limiting strips 103 are disposed in a plurality of positions, the plurality of limiting strips 103 are distributed at equal intervals, the limiting strips 103 are slidably connected with the limiting grooves 401b, and the guide groove 104 is slidably connected with the sliding sleeve 401 a.
Further, the locking groove 303c includes a positive arc groove 303c-1, a vertical groove 303c-2 and a reverse arc groove 303c-3 provided on the socket ring 303a, in this embodiment, the positive arc groove 303c-1 and the reverse arc groove 303c-3 are provided at two end portions of the vertical groove 303c-2, respectively, and the positive arc groove 303c-1, the vertical groove 303c-2 and the reverse arc groove 303c-3 are mutually communicated, and the positive arc groove 303c-1 and the reverse arc groove 303c-3 are provided at two sides of the inner wall of the vertical groove 303c-2, respectively.
Further, the housing 100 further includes a crankshaft 105 disposed on the outer jacket 101; in the present embodiment, the crankshaft 105 is curved and fixedly provided on the outer wall of the outer sheath 101.
Wherein, the locking mechanism 400 further comprises a connecting rod member 402 arranged on the plug member 401; the link member 402 includes a pry bar 402b rotatably provided on the crankshaft 105, and a pull bar 402a rotatably provided on the pry bar 402b, in this embodiment, the pull bar 402a is provided with two, and the end portions of the two pull bars 402a are respectively rotatably connected with different slip covers 401a, and the other ends of the two pull bars 402a are rotatably connected with each other through a shaft body, the end portion of the pry bar 402b is rotatably connected with the crankshaft 105, and the surface of the pry bar 402b is rotatably connected with the end portions of the two pull bars 402a through the shaft body.
It should be noted that, the end of the insert 401c away from the sliding sleeve 401a is curved, and the curved directions of the insert 401c on the two connectors 401 are opposite.
The rest of the structure is the same as in embodiment 2.
When in use, when the insulating rod 301 needs to be controlled to rotate through the stirring piece 303, the pry bar 402b is held and pried, the pry bar 402b rotates by taking a connecting point with the crankshaft 105 as a rotating point, the rotating angle of the pry bar 402b is adjusted, so that the pry bar 402b and the outer sheath 101 are in a vertical state, at the moment, the inserting rod 401c and the locking groove 303c are in a completely separated state, and at the moment, the insulating rod 301 can be controlled to rotate through the stirring piece 303.
Setting up the plug connector 401 that is close to spacing seat 201a and is the plug connector 401 of top, keep away from plug connector 401 of spacing seat 201a and be plug connector 401 of below, stir piece 303 control insulator spindle 301 and finish the back of rotating, when need lock fastening to insulator spindle 301, can be according to the demand that insulator spindle 301 rotated the orientation, the selective sled moves lever 402b, can make the prying of lever 402b more laborsaving through the pole principle, when using plug connector 401 and the locking groove 303c of top to peg graft, through the jack 401c conflict positive arc groove 303c-1, and promote the sleeve ring 303a and do further torsion, increase insulator spindle 301's torsion, insulator spindle 301 self can produce slight deformation, finally make jack spindle 401c insert the inside of perpendicular groove 303c-2, accomplish the locking to sleeve ring 303a, and because insulator spindle 301 always receives corresponding torsion, can increase the stability at the time of connection, in the same way, when using plug connector 401 and locking groove 303c of below to peg graft, through jack 401 c-3, and jack spindle 303c can be increased by the corresponding torsion, and jack spindle 303c can be increased by the jack spindle 303c, and the jack spindle 303c can be increased by the inside of the insulator spindle 301, and the jack spindle 303c can be increased, and the jack spindle 303c can be increased, and the jack has a is increased, and the stability.
In summary, after the grounding connection is completed, the insulating rod 301 can be conveniently locked, and the insulating rod 301 can be kept in torsion, so that loosening is avoided.
It is important to note that the construction and arrangement of the application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present application. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present applications. Therefore, the application is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Furthermore, in order to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the application, or those not associated with practicing the application).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.
It should be noted that the above embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present application may be modified or substituted without departing from the spirit and scope of the technical solution of the present application, which is intended to be covered in the scope of the claims of the present application.
Claims (10)
1. An electrical equipment grounding device of a hydropower plant, which is characterized in that: comprising the steps of (a) a step of,
a housing (100) comprising an outer sheath (101), a toggle slot (102) provided on the outer sheath (101);
the connecting mechanism (200) comprises a limiting piece (201) arranged on the outer sheath (101), a sliding piece (202) slidingly arranged on the limiting piece (201), and a grounding piece (203) arranged on the sliding piece (202);
the control mechanism (300) comprises an insulating rod (301) rotatably arranged on the limiting piece (201), a pushing disc (302) arranged on the insulating rod (301), and a poking piece (303) arranged on the insulating rod (301);
when the insulating rod (301) rotates, the sliding piece (202) can be pushed by the pushing disc (302) to control the grounding piece (203) to open and close.
2. The electrical equipment grounding device of a hydroelectric power plant of claim 1, wherein: the limiting piece (201) comprises a limiting seat (201 a) arranged on the outer sheath (101) and a sliding groove (201 b) arranged on the limiting seat (201 a);
the sliding piece (202) comprises a sliding block (202 a) which is arranged on the sliding groove (201 b) in a sliding manner, and a supporting rod (202 b) which is arranged on the sliding block (202 a);
the pushing disc (302) comprises a rotary disc (302 a) arranged on the insulating rod (301), and an eccentric groove (302 b) arranged on the rotary disc (302 a).
3. The electrical equipment grounding device of a hydropower plant according to claim 2, wherein: the grounding piece (203) comprises an extrusion block (203 a) arranged on the supporting rod (202 b), a fitting groove (203 b) arranged on the extrusion block (203 a), and a grounding wire (203 c) arranged on the extrusion block (203 a).
4. A plant electrical equipment grounding device according to claim 3, characterized in that: the connecting mechanism (200) further comprises a supporting piece (204) arranged on the limiting seat (201 a), and a pushing component (205) arranged on the supporting piece (204);
the pushing assembly (205) comprises a deflector rod piece (205 a) arranged on the supporting piece (204) and a pressing piece (205 b) rotatably arranged on the deflector rod piece (205 a).
5. The electrical equipment grounding device of a hydroelectric power plant of claim 4, wherein: the supporting piece (204) comprises a fixed block (204 a) arranged on the limiting seat (201 a), a supporting table (204 b) arranged on the fixed block (204 a), and a containing groove (204 c) arranged on the supporting table (204 b);
the deflector rod piece (205 a) comprises a positioning shaft (205 a-1) arranged on the supporting table (204 b) and a pushing arm (205 a-2) rotatably arranged on the positioning shaft (205 a-1), and a limiting shaft (205 a-3) is arranged on the pushing arm (205 a-2);
the pressing piece (205 b) comprises a pressing rod (205 b-1) rotatably arranged on the limiting shaft (205 a-3), a pressing head (205 b-2) arranged on the pressing rod (205 b-1), and a straight groove (205 b-3) arranged on the pressing rod (205 b-1);
the grounding piece (203) further comprises a supporting shaft (203 d) arranged on the extrusion block (203 a).
6. The electrical equipment grounding device of a hydroelectric power plant of claim 5, wherein: the pushing disc (302) further comprises a connecting block (302 c) arranged on the rotary disc (302 a) and a limiting frame (302 d) arranged on the connecting block (302 c);
an arc surface (302 f) and an expansion surface (302 e) are arranged on the outer wall of the rotary table (302 a);
the deflector rod piece (205 a) further comprises a torsion spring (205 a-4) arranged on the limiting shaft (205 a-3);
the pressing piece (205 b) further comprises a curved rail (205 b-4) arranged on the pressing rod (205 b-1), and a curved groove (205 b-5) arranged on the curved rail (205 b-4).
7. The electrical equipment grounding device of a hydroelectric power plant according to claim 5 or 6, wherein: also comprises a locking mechanism (400);
the locking mechanism (400) comprises a plug connector (401) which is slidingly arranged on the outer sheath (101);
the stirring piece (303) comprises a sleeve joint ring (303 a) arranged on the insulating rod (301), a stirring block (303 b) arranged on the sleeve joint ring (303 a), and a locking groove (303 c) arranged on the sleeve joint ring (303 a).
8. The electrical equipment grounding device of a hydroelectric power plant of claim 7, wherein: the plug connector (401) comprises a sliding sleeve (401 a) which is arranged on the outer sheath (101) in a sliding manner, a limiting groove (401 b) which is arranged on the sliding sleeve (401 a), and a plug rod (401 c) which is arranged on the sliding sleeve (401 a);
the shell (100) further comprises a limit strip (103) arranged on the outer sheath (101) and a guide groove (104) arranged on the outer sheath (101).
9. The electrical equipment grounding device of a hydroelectric power plant of claim 8, wherein: the locking groove (303 c) comprises a positive arc groove (303 c-1), a vertical groove (303 c-2) and a negative arc groove (303 c-3) which are arranged on the sleeving ring (303 a).
10. The electrical equipment grounding device of a hydroelectric power plant according to claim 8 or 9, characterized in that: the shell (100) further comprises a crankshaft (105) arranged on the outer sheath (101);
the locking mechanism (400) further comprises a connecting rod piece (402) arranged on the plug piece (401);
the link member (402) includes a pry bar (402 b) rotatably provided on the crankshaft (105), and a pull bar (402 a) rotatably provided on the pry bar (402 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310970802.4A CN116722380B (en) | 2023-08-03 | 2023-08-03 | Electric equipment grounding device of hydropower plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310970802.4A CN116722380B (en) | 2023-08-03 | 2023-08-03 | Electric equipment grounding device of hydropower plant |
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| CN116722380A true CN116722380A (en) | 2023-09-08 |
| CN116722380B CN116722380B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310970802.4A Active CN116722380B (en) | 2023-08-03 | 2023-08-03 | Electric equipment grounding device of hydropower plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117175453A (en) * | 2023-11-02 | 2023-12-05 | 三峡金沙江云川水电开发有限公司 | Quick installation device of cable joint for hydropower plant |
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| CN116722380B (en) | 2023-11-21 |
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