CN209981883U - Intelligent grounding wire of closed switch cabinet - Google Patents
Intelligent grounding wire of closed switch cabinet Download PDFInfo
- Publication number
- CN209981883U CN209981883U CN201920697667.XU CN201920697667U CN209981883U CN 209981883 U CN209981883 U CN 209981883U CN 201920697667 U CN201920697667 U CN 201920697667U CN 209981883 U CN209981883 U CN 209981883U
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- clamping
- piece
- clamping groove
- lifting plate
- switch cabinet
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Abstract
The utility model discloses an intelligent grounding wire of a closed switch cabinet, which comprises an upper fixing piece and a lower fixing piece which are arranged oppositely, and a clamping piece which is arranged on the upper fixing piece and the lower fixing piece, wherein a first clamping groove is arranged on the lower fixing piece, a second clamping groove corresponding to the first clamping groove is arranged on the upper fixing piece, the bottom of the clamping piece is movably connected in the first clamping groove, and the upper part of the clamping piece is movably connected in the second clamping groove; the lifting plate is connected with the clamping piece through a connecting rod, wherein the lifting plate is hinged with one end of the connecting rod, and the other end of the connecting rod is hinged on the clamping piece; the bottom of the lifting plate is provided with a screw for pushing the lifting plate to move up and down, the connecting rod pushes the clamping piece to be pushed away and pulled back through lifting of the lifting plate, and the static contact is clamped through thread rotation, so that the installation is reliable, and the use is convenient and light.
Description
Technical Field
The utility model belongs to the earthing device of the internal generating line side static contact department of cubical switchboard, concretely relates to closed cubical switchboard intelligence earth connection.
Background
At present, most of high-voltage grounding wires in the market are bus bar type grounding wires, quincunx grounding wires and double-spring type grounding wires, the bus bar type grounding wires are used for grounding cuboid-shaped bus bars, the double-spring type grounding wires are used for grounding flexible wires, and the contact inner diameter of the quincunx contact type grounding wires is fixed and cannot be adjusted and cannot be installed at static contacts with different diameters. The grounding wires cannot be reliably installed at cylindrical static contacts with different diameters on the bus side in 35kV and 10kV closed switch cabinets. At present, a 35kV handcart switch cabinet bus grounding disconnecting link or a grounding handcart is hardly installed in a transformer substation, a temporary grounding wire cannot be directly and reliably connected to a static contact on the bus side of the switch cabinet, and a device capable of preventing electrified grounding wires in advance while the grounding wires are hung does not exist at present, so that great inconvenience and potential safety hazards are brought to work.
At present, a fixed contact at a bus side in a 35kV or 10kV closed switch cabinet body of a transformer substation is grounded, a grounding knife switch or a grounding handcart is high in cost and more in faults, the phenomenon that the grounding knife switch is not closed or cannot be separated frequently occurs, and the grounding handcart is not shaken in place sometimes. Other grounding wires cannot be reliably installed at the fixed contact because the shape and the size of the grounding wires are not matched with the fixed contact.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the prior art, the utility model aims to provide a closed cubical switchboard intelligence earth connection can install the high-pressure earth connection of the cylindrical static contact department of different diameters of the internal bus side of 35kV, 10kV closed cubical switchboard, and convenient to use is light and handy, and the reliability is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an intelligent grounding wire of a closed switch cabinet comprises an upper fixing piece, a lower fixing piece and a clamping piece, wherein the upper fixing piece and the lower fixing piece are oppositely arranged, the clamping piece is arranged on the upper fixing piece and the lower fixing piece, a first clamping groove is formed in the lower fixing piece, a second clamping groove corresponding to the first clamping groove in position is formed in the upper fixing piece, the bottom of the clamping piece is movably connected into the first clamping groove, and the upper portion of the clamping piece is movably connected into the second clamping groove;
the lifting plate is connected with the clamping piece through a connecting rod, wherein the lifting plate is hinged with one end of the connecting rod, and the other end of the connecting rod is hinged on the clamping piece;
the bottom of the lifting plate is provided with a screw rod for pushing the lifting plate to move up and down, and the connecting rod pushes and pulls the clamping piece away and back through lifting of the lifting plate.
The upper fixing piece and the lower fixing piece are connected and fixed through a fixing rod.
The clamping pieces are provided with four annular arrays of the four clamping pieces.
A screw hole is formed in the lower fixing piece, one end of the screw is installed on the lifting plate, and the other end of the screw penetrates through the screw hole to be connected with the inner insulating rod; the screw rod hole is the internal thread hole, screw thread engagement between screw rod hole and the screw rod.
Still including interior hollow outer insulator spindle, outer insulator spindle is fixed in mounting bottom down, and outer insulator spindle is arranged in to interior insulator spindle, and is connected through the bearing between interior insulator spindle and the outer insulator spindle, and wherein, outer insulator spindle is connected and is fixed with the bearing inner race, and interior insulator spindle is fixed at the bearing inner race, and interior insulator spindle end stretches out the bearing and is connected with the handle.
The lower fixing piece is provided with a wire passing hole, the wire passing hole is formed close to the first clamping groove and used for a copper wire to penetrate from the lower part of the lower fixing piece and be connected with the clamping piece.
The clamping piece comprises a bayonet arranged at the bottom and used for being clamped with the first clamping groove, and the bayonet is in clearance fit with the first clamping groove.
The clamping piece comprises a hinge hole which is arranged at the bottom and used for being matched with the first clamping groove, a hinge shaft is arranged in the first clamping groove, and the hinge shaft penetrates through the hinge hole to realize the hinge connection between the clamping piece and the first clamping groove.
The spring is sleeved on the outer sides of all the clamping pieces after being connected in an end-to-end mode, and the spring is used for providing power for withdrawing the clamping pieces.
The top of the clamping piece extends out of the upper fixing piece and is used for clamping the contact, and the extending part of the clamping piece is provided with a clamping surface used for clamping the contact.
Compared with the prior art, the utility model discloses following beneficial effect has at least, the utility model discloses the conductor end diameter of ground connection can enlarge and reduce, can satisfy the cylindrical static contact ground connection of different diameters, presss from both sides tight static contact through the screw thread rotation, and the installation is reliable, and convenient to use is light and handy, and has the electrified function that articulates the ground wire of supplementary prevention, has a power failure at the generating line, does not have ground connection switch and ground connection handcart-time, provides the safety guarantee for the operating personnel. The utility model discloses can be used to the ground connection of the cylindrical static contact department of bus side in all 35kV, the closed cubical switchboard of 10kV to play the effect that supplementary prevention articulated the ground wire with electricity in advance, convenient to use, it is light and handy, the work of ground connection safety is ensured to operation personnel, can surely solve the ground connection difficult problem of static contact department in the present transformer substation. The main advantages are that the diameter of the clamp at the conductor end can be enlarged and reduced, the installation of cylindrical static contacts with different diameters is satisfied, the static contacts are clamped through the rotation of the threads, the connection is reliable, the static contacts cannot drop, and the live-line ground wire hanging connection can be prevented in advance.
Furthermore, the screw rod is connected with the inner insulating rod, the lifting plate is adjusted to lift through the screw rod, opening and contraction of the clamping piece are achieved, operation is simple through the arrangement of the outer insulating rod, installation connection is achieved between the inner insulating rod and the outer insulating rod through the bearing, and the structural design is reasonable.
Furthermore, the bottom of the clamping piece is simple in structure by matching the bayonet with the first clamping groove, and the tightness of the clamping piece can be easily adjusted.
Furthermore, the withdrawing and clamping of the clamping piece are realized through the spring sleeved on the outer side of the clamping piece, and the operation reliability is higher.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the upper fixing member of the present invention;
FIG. 3 is a schematic view of the structure of the lower fixing member of the present invention;
fig. 4 is a schematic view of a clip structure according to an embodiment of the present invention;
fig. 5 is a schematic view of a clip structure according to another embodiment of the present invention;
fig. 6 is a schematic diagram of a conductor terminal structure according to an embodiment of the present invention.
In the drawings: 1-lifting plate, 2-inner insulating rod, 3-outer insulating rod, 4-spring, 6-clamping piece, 61-bayonet, 62-clamping groove, 63-hinge hole, 7-upper fixing piece, 71-second clamping groove, 8-lower fixing piece, 81-first clamping groove, 82-wire through hole, 83-screw rod hole, 9-connecting rod, 10-fixing rod, 11-screw rod, 19-bearing, 20-steel sleeve and 21-handle.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1, the utility model discloses a closed intelligent grounding wire for switch cabinet, including upper fixing member 7 and lower fixing member 8 that set up relatively, and install the folder 6 on upper fixing member 7 and lower fixing member 8, as shown in fig. 1, connect fixedly through dead lever 10 between upper fixing member 7 and the lower fixing member 8, the dead lever 10 has realized the fixed of relative position between upper fixing member 7 and the lower fixing member 8, as shown in fig. 2 and 3, a first slot 81 has been seted up on lower fixing member 8, a second slot 71 corresponding to first slot 81 position has been seted up on upper fixing member 7, wherein, first slot 81 is the closed slot, the bottom swing joint of folder 6 is in first slot 81; the second slot 71 is an open slot, as shown in the figure, that is, a slot with an open end, the upper portion of the clip 6 is clamped into the second slot 71, and the upper portion of the clip 6 can be rotated out of the second slot 71 along the opening direction of the second slot 71;
as shown in fig. 1, the utility model further comprises a lifting plate 1 disposed between an upper fixing member 7 and a lower fixing member 8, the lifting plate 1 is connected with the clamping member 6 through a connecting rod 9, wherein the lifting plate 1 is hinged with one end of the connecting rod 9, and the other end of the connecting rod 9 is hinged on the clamping member 6; the bottom of the lifting plate 1 is provided with a screw for pushing the lifting plate 1 to move up and down, the connecting rod 9 is lifted by the lifting plate 1 to push and pull the clamping piece 6 away from the second clamping groove 71, and the opening and closing of the top opening of the clamping piece 6 are realized.
In a certain embodiment of the present invention, the clamping members 6 are provided with four annular arrays of four clamping members 6, the top of the clamping member 6 extends out of the upper fixing member 7 for clamping the contact, and the extending portion of the clamping member 6 is provided with the clamping surface 62 for clamping the contact, and the two opposite clamping surfaces 62 of the four clamping members 6 are arranged to realize stable clamping of the contact.
As shown in fig. 1, the lower fixing member 8 of the present invention is provided with a screw hole 83, one end of the screw 11 is mounted on the lifting plate 1, and the other end passes through the screw hole 83 and is connected to the inner insulating rod 2; screw rod hole 83 is the internal thread hole, and thread engagement between screw rod hole 83 and the screw rod 11 still includes interior hollow external insulation pole 3 that is, external insulation pole 3 is fixed 8 bottoms of mounting down, and external insulation pole 3 is arranged in to internal insulation pole 2, and is connected through bearing 19 between internal insulation pole 2 and the external insulation pole 3, and wherein, external insulation pole 3 is connected and is fixed with the 19 outer lanes of bearing, and internal insulation pole 2 is fixed at the 19 inner lanes of bearing, and 2 ends of internal insulation pole stretch out bearing 19 and be connected with handle 21, can realize the lift of lifter plate 1 and accomplish the centre gripping of folder 6 and loosen through twist grip 21.
As shown in fig. 3, the lower fixing member 8 is provided with a wire passing hole 82, the wire passing hole 82 is provided adjacent to the first locking groove 81, the wire passing hole 82 and the first locking groove are arranged in a one-to-one correspondence, and the wire passing hole 82 is used for a copper wire to penetrate from the lower side of the lower fixing member 8 and to be connected with the clamping member 6.
In an embodiment of the present invention, the clip 6 includes a bayonet 61 disposed at the bottom for engaging with the first engaging groove 81, and the bayonet 61 and the first engaging groove 81 are in clearance fit, so that the bottom of the clip 6 can be installed by the cooperation of the bayonet and the first engaging groove 81, and the upper portion of the clip can be left with a space for turning out the second engaging groove 71 because of the clearance fit between the bayonet 61 and the first engaging groove 81.
In another embodiment of the present invention, the clamping member 6 includes a hinge hole 63 disposed at the bottom for cooperating with the first engaging groove 81, a hinge shaft is disposed in the first engaging groove 81, the hinge shaft passes through the hinge hole 63 to realize the hinge connection between the clamping member 6 and the first engaging groove 81, the bottom of the clamping member 6 is hinged to the first engaging groove 81, and the rotation of the upper portion of the clamping member is realized.
In other embodiments of the present invention, the present invention further comprises a spring 4, the spring 4 is sleeved outside all the clamping members 6 after ending, and the spring 4 is used for providing the power for withdrawing the clamping members 6.
In a certain embodiment of the utility model, when clockwise rotation interior insulator spindle 2 trailing end connection's handle 21, interior insulator spindle 2 clockwise rotates, through screw rod 11 downstream, drives the 6 contractions of folder that the connecting rod is connected, presss from both sides tight static contact. When the clamp 6 is rotated in the opposite direction, the fixed contact is released.
The utility model discloses an in certain embodiment, still be provided with electrified inductor, electrified inductor is installed at conductor end department, and during the static contact ground connection, if electrified, electrified inductor can send the warning sound, reminds the operation personnel can not install the ground wire.
Claims (10)
1. The intelligent grounding wire of the closed switch cabinet is characterized by comprising an upper fixing piece (7) and a lower fixing piece (8) which are oppositely arranged, and clamping pieces (6) which are arranged on the upper fixing piece (7) and the lower fixing piece (8), wherein a first clamping groove (81) is formed in the lower fixing piece (8), a second clamping groove (71) corresponding to the first clamping groove (81) in position is formed in the upper fixing piece (7), the bottom of each clamping piece (6) is movably connected into the corresponding first clamping groove (81), and the upper part of each clamping piece (6) is movably connected into the corresponding second clamping groove (71);
the lifting plate is characterized by further comprising a lifting plate (1) arranged between the upper fixing piece (7) and the lower fixing piece (8), the lifting plate (1) is connected with the clamping piece (6) through a connecting rod (9), wherein the lifting plate (1) is hinged to one end of the connecting rod (9), and the other end of the connecting rod (9) is hinged to the clamping piece (6);
the bottom of the lifting plate (1) is provided with a screw for pushing the lifting plate (1) to move up and down, and the connecting rod (9) pushes the clamping piece (6) to be pushed away and pulled back by lifting the lifting plate (1).
2. The intelligent grounding wire of the enclosed switch cabinet as claimed in claim 1, wherein the upper fixing member (7) and the lower fixing member (8) are connected and fixed through a fixing rod (10).
3. An intelligent grounding wire for a closed switch cabinet according to claim 1, characterized in that the clamping members (6) are provided with four, four clamping members (6) in a circular array.
4. The intelligent grounding wire of the closed switch cabinet as claimed in claim 1, wherein the lower fixing piece (8) is provided with a screw hole (83) at the beginning, one end of the screw (11) is installed on the lifting plate (1), and the other end of the screw passes through the screw hole (83) and is connected with the inner insulating rod (2); the screw rod hole (83) is an internal thread hole, and the screw rod hole (83) is in threaded engagement with the screw rod (11).
5. The intelligent grounding wire of the closed switch cabinet as claimed in claim 4, further comprising an outer insulating rod (3) with a hollow inner part, wherein the outer insulating rod (3) is fixed at the bottom of the lower fixing member (8), the inner insulating rod (2) is arranged in the outer insulating rod (3), the inner insulating rod (2) is connected with the outer insulating rod (3) through a bearing (19), the outer insulating rod (3) is connected and fixed with an outer ring of the bearing (19), the inner insulating rod (2) is fixed at an inner ring of the bearing (19), and a handle (21) is connected to the tail end of the inner insulating rod (2) extending out of the bearing (19).
6. The intelligent grounding wire of the closed switch cabinet as claimed in claim 1, wherein the lower fixing member (8) is provided with a wire passing hole (82), the wire passing hole (82) is provided adjacent to the first clamping groove (81), and the wire passing hole (82) is used for a copper wire to pass through from below the lower fixing member (8) and be connected with the clamping member (6).
7. The intelligent grounding wire of a closed switch cabinet as claimed in claim 1, wherein the clamping piece (6) comprises a bayonet (61) arranged at the bottom for being clamped with the first clamping groove (81), and the bayonet (61) is in clearance fit with the first clamping groove (81).
8. The intelligent grounding wire of a closed switch cabinet as claimed in claim 1, wherein the clamping piece (6) comprises a hinge hole (63) arranged at the bottom for matching with the first clamping groove (81), a hinge shaft is arranged in the first clamping groove (81), and the hinge shaft penetrates through the hinge hole (63) to realize the hinge connection between the clamping piece (6) and the first clamping groove (81).
9. The intelligent grounding wire of the closed switch cabinet as claimed in claim 1, further comprising a spring (4), wherein the spring (4) is sleeved outside all the clamping pieces (6) after being connected in an end-to-end manner, and the spring (4) is used for providing power for retracting the clamping pieces (6).
10. An intelligent grounding wire for a closed switch cabinet according to claim 1, characterized in that the top of the clip (6) extends out of the upper fixing member (7) for clamping the contact, and the extending part of the clip (6) is provided with a clamping surface (62) for clamping the contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920697667.XU CN209981883U (en) | 2019-05-15 | 2019-05-15 | Intelligent grounding wire of closed switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920697667.XU CN209981883U (en) | 2019-05-15 | 2019-05-15 | Intelligent grounding wire of closed switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209981883U true CN209981883U (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920697667.XU Expired - Fee Related CN209981883U (en) | 2019-05-15 | 2019-05-15 | Intelligent grounding wire of closed switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209981883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110048334A (en) * | 2019-05-15 | 2019-07-23 | 榆林市电力检修有限公司 | Enclosed switchgear novel intelligent ground line |
-
2019
- 2019-05-15 CN CN201920697667.XU patent/CN209981883U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110048334A (en) * | 2019-05-15 | 2019-07-23 | 榆林市电力检修有限公司 | Enclosed switchgear novel intelligent ground line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 |