CN111463594B - End plate wire fixing device - Google Patents
End plate wire fixing device Download PDFInfo
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- CN111463594B CN111463594B CN202010282424.7A CN202010282424A CN111463594B CN 111463594 B CN111463594 B CN 111463594B CN 202010282424 A CN202010282424 A CN 202010282424A CN 111463594 B CN111463594 B CN 111463594B
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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
- H01R11/03—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 characterised by the relationship between the connecting locations
- H01R11/09—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 characterised by the relationship between the connecting locations the connecting locations being identical
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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
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
- H01R4/44—Clamping areas on both sides of screw
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- Clamps And Clips (AREA)
- Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
Abstract
The invention relates to the field of power wire connecting equipment, in particular to an end plate wire fixing device; comprises an upper clamping plate, a lower clamping plate, an arc-shaped gasket, a torque nut, a disc-shaped spring washer and a screw rod; the arc-shaped gaskets are mutually buckled to clamp the lead, the upper clamping plate and the lower clamping plate are respectively provided with a toothed arc-shaped groove, the bottom of the lower clamping plate is provided with a threaded hole, the threaded hole is matched with the screw rod to lock and fix the screw rod, the upper surface of the upper clamping plate is arc-shaped, a hole for the screw rod to pass through is formed in the upper surface of the upper clamping plate, the lower surface of each arc-shaped gasket is provided with an arc shape matched with the upper surface of the upper clamping plate, each arc-shaped gasket is provided with a hole for the screw rod to pass through, and the torque nut is positioned above each arc-shaped gasket and connected with the screw rod; by adopting the end plate wire fixing device of the technical scheme, when a wire is clamped, the clamping area is large, the clamping is firm, and the universality is strong.
Description
Technical Field
The invention relates to the field of power wire connecting equipment, in particular to an end plate wire fixing device.
Background
The electric power connection hardware fitting is a common device used when electric power equipment such as a circuit breaker, an isolating switch, a fuse, a transformer and the like are connected with a lead, and has very important function.
The most common power connection hardware at present is a flat plate type bolt-fastening device connection wire clamp, such as the wire clamp disclosed in the reference CN 202259748U, which includes an upper clamping plate and a lower clamping plate that are fastened to each other to clamp a wire, the wire clamp body is made of non-magnetic-conductive aluminum alloy, one side of the upper clamping plate is provided with two downward-bent claw-shaped structures along a clamping direction, one side of the lower clamping plate corresponding to the upper clamping plate is provided with three upward-bent claw-shaped structures, a distance between adjacent claw-shaped structures on the same clamping plate is slightly larger than a transverse width of the claw-shaped structures, the claw-shaped structures of the upper and lower clamping plates are staggered up and down and embedded with each other, and along an arrangement direction of the claw-shaped structures, the upper and lower clamping plates are respectively and transversely provided with upper and lower corresponding circular arc-shaped wire clamping grooves for clamping the wire at positions adjacent to the claw-shaped structures; one of them terminal surface or two terminal surfaces outside level extensions that wire clamping groove both ends on the lower plate were located are provided with one or two and are used for the end plate head that links with electrical equipment, the overhead at least one bolt hole that is provided with of end plate, the left side turn-ups downwards of punch holder form the arc foot, and one side of the lower plate that corresponds with it is provided with the channel, during the lock, form the strong point in the arc foot embedding lower plate's the channel of punch holder, and when locking bolt, the wire clamping groove that the locking force was transmitted to the right side presss from both sides the wire tightly.
The connecting clamp is simple in structure and low in production cost, can adapt to connection of wires with different sectional areas, is popular in the market, and has the following problems in practical use:
1. although certain fastening torque is kept when the nut is adopted for locking and mounting, the fastening torque is often not constant, and even though the torque nut is adopted, the situation that the conducting wire is not effectively compressed still occurs, so that the conducting wire is in poor contact with the wire clamp to influence the safe operation of a power grid.
2. Along the end plate head that lower plate one end or both ends stretched out, occupied great volume, not only make the whole weight change of end plate solidus ware many, it needs carry out processes such as a large amount of cutting, polishing under original on the basis of end plate blank moreover, and the processing cost is higher.
Disclosure of Invention
The invention aims to provide an end plate wire fixing device which is more convenient to mount at high altitude and more stable and reliable in connection after mounting.
In order to achieve the purpose, the invention provides an end plate wire fixing device, which comprises an upper clamping plate, a lower clamping plate and a bolt connecting assembly, wherein the upper clamping plate, the lower clamping plate and the bolt connecting assembly are mutually buckled; the lower surface of the lower clamping plate is directly contacted with the surface plane of the end plate of the electrical equipment, arc-shaped grooves are respectively arranged on one sides of the upper clamping plate and the lower clamping plate, and the arc-shaped grooves are oppositely arranged and clamped on two sides of the side wall of the lead; the bolt connecting assembly comprises a first screw rod which sequentially penetrates through an electrical equipment end plate, a lower clamping plate and an upper clamping plate; the third screw rod that passes the second bolt of lower plate and electrical equipment end plate and connect lower plate and punch holder in proper order, first, third screw rod material is higher than punch holder and lower plate more than 30% for tensile strength, and the difference of coefficient of expansion and upper and lower plate is no longer than 20%, the lower plate middle part is equipped with the lower bar hole that supplies the second bolt to pass and the screw hole of being connected with first, third screw rod, and this screw hole and screw rod locking close fit are with clamping screw, the upper surface of punch holder is the arc, is provided with the arc gasket between punch holder and aluminium alloy nut, the lower surface of arc gasket is equipped with the arc that agrees with mutually with the punch holder upper surface.
The end plate wire fixing device adopting the technical scheme of the invention has the following characteristics: 1. because the lower clamping plate is provided with the mounting hole corresponding to the mounting hole of the electrical equipment end plate, the lower surface of the lower clamping plate can be directly contacted with the surface plane of the electrical equipment end plate and is connected and fastened through the first screw and the second bolt, and the occupation of the lower clamping plate in the length direction is shortened; meanwhile, an end plate head manufactured by extending the end part of the traditional lower clamping plate is eliminated, the overall material consumption and weight of the end plate wire fixing device are reduced, more importantly, the transmission path of current is shortened, the transmission resistance is reduced, a large number of procedures in the original process of machining the end plate head of the lower clamping plate are also omitted, the machining cost is reduced, and the production efficiency is improved; 2. the first screw rod and the third screw rod are made of materials with high tensile strength, the expansion coefficients of the first screw rod and the third screw rod are close to those of the upper clamping plate and the lower clamping plate, and parts with the similar expansion coefficients can be expanded or reduced synchronously after being fastened and are not easy to move relatively, so that the fastening torque is stable, and connection looseness is effectively avoided.
As a preferred scheme, in order to improve the joint strength of the third screw and the lower clamping plate and simultaneously avoid the third screw from loosening after being fastened, the following design is adopted: the threaded hole connected with the third screw rod is processed into a blind hole or a through hole, and when the through hole is adopted, the lower part of the through hole is required to be provided with a protruding part capable of blocking and jacking the third screw rod. Like this when the third screw rod screws up in the screw hole of lower plate, blind hole or protruding meeting jacking screw rod to reduce the third screw rod and be deviating from the lower plate ascending screw thread of screw lamination lower plate screw thread of orientation, thereby reduce the clearance, can avoid after the tight punch holder of installation clamp, the third screw rod fastening torque that appears because the screw thread clearance exists and lead to reduces the condition.
As the preferred scheme, in order to fasten the second bolt and avoid the second bolt to rotate, the clamping groove for clamping the end of the second bolt is formed in the lower clamping plate, so that when workers operate high altitude, the bolts do not need to be clamped independently, and the operation is simpler.
Preferably, in order to fasten the first screw and/or the third screw to the lower clamping plate, a lower threaded portion and an upper threaded portion are arranged on the first screw and/or the third screw, and at least one tool clamping portion for rotating the screws is machined on the screws. The tool clamping part can be a hexagonal head, a round head, a square head, a countersunk head, a hole or a groove which is arranged at least one end of the screw rod. Or the tool clamping part is a hole, a groove, two parallel surfaces, a four-edge column or a hexagonal prism which is processed in the middle of the screw rod.
Preferably, the first and third screws are made of the same material as the upper and lower clamping plates, so as to better avoid mutual extrusion and looseness in a system caused by the difference of expansion coefficients, the same material means the same main material, so as to ensure the similar expansion coefficient, because different parts have different requirements on the conductivity and tensile strength of the material, other additives in the material can be different, and of course, the screws and the torque nuts can also be made of other metal materials such as carbon steel, stainless steel and the like, so as to reduce the cost.
As preferred scheme, in order to improve the contact surface of centre gripping wire, improve the wire clamping-force simultaneously, the opposite side of punch holder and lower plate also is provided with the arc recess of centre gripping wire, only need bend the link of wire to do the U-shaped like this, then the arc recess of end plate solidus ware both sides is gone into to direct card, and the wire is compared in original area of contact that not only has the twice after the locking, can also effectual reduction contact resistance, and the U-shaped structure also is difficult to extract from parallel arc recess simultaneously to the reliability of connection has been guaranteed.
Preferably, in order to enable the arc-shaped groove to effectively clamp the lead with a smaller radius, at least one outer side edge of the arc-shaped groove is provided with notches or convex claws which are vertically staggered and embedded, so that the direct abutting of the upper arc-shaped groove and the lower arc-shaped groove which are opposite is avoided.
As the preferred scheme, when two outsides of the arc-shaped groove are provided with the notches or the convex claws which are vertically staggered and embedded, the holes formed in the upper clamping plate are two round holes or similar round holes for the screw rods to pass through, so that when the arc-shaped grooves on two sides clamp and bend into a U-shaped lead, the upper clamping plate needs to deflect towards two sides, and therefore the circular holes or similar round holes with the area slightly larger than the cross section of the bolt are formed, and the strength damage to the upper clamping plate can be reduced.
As a further preferable scheme, the other sides of the upper clamping plate and the lower clamping plate are respectively provided with an arc-shaped foot and a channel for supporting the arc-shaped foot, and the upper clamping plate is provided with a hole for the first screw rod and the third screw rod to pass throughIs a strip-shaped hole which is perpendicular to the arc-shaped groove, so that the upper clamping plate can be rotated to open and close around the channel, and the cross section area is convenient to be 25-300 mm2The copper and aluminum wires are compacted.
As a preferred scheme, the upper surface of the arc-shaped gasket is perpendicular to the first screw rod, a disc spring washer is further arranged between the arc-shaped gasket and the aluminum alloy nut, the plane-contact disc spring washer can dynamically compensate the reduction of the initial torque value, and simultaneously, the torque change caused by thermal expansion and cold contraction and external load is better compensated.
Drawings
Fig. 1 is a schematic structural view of an end plate wire fixing device in use according to embodiment 1 of the present invention;
fig. 2 is another schematic structural diagram of the end plate wire fixing device in the use state in embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a first screw in an end plate wire fixing device in embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a lower clamping plate of the end plate wire fixing device in embodiment 1 of the invention;
fig. 5 is a schematic cross-sectional view of a lower clamping plate of an end plate wire fixing device in embodiment 1 of the present invention;
fig. 6 is a schematic structural view of an upper clamping plate of an end plate wire fixing device in embodiment 1 of the present invention;
fig. 7 is a schematic structural view of an arc-shaped gasket of an end plate wire fixing device in embodiment 1 of the present invention;
fig. 8 is a schematic view of a connection structure of a lower clamping plate of an end plate wire fixing device and an end plate of electrical equipment in embodiment 1 of the present invention;
fig. 9 is a schematic structural view of an end plate wire fixing device in use in embodiment 1 of the present invention;
fig. 10 is a schematic structural view of an end plate wire fixing device in use in embodiment 4 of the present invention.
Which comprises the following steps: lower plate 1, punch holder 2, arc gasket 3, aluminum alloy nut 4, arc gasket 5, third screw rod 6, wire 7, lower jack catch 8, go up jack catch 9, screw hole 10, 24, lower plate arc recess 11, lower bar hole 12, punch holder arc recess 13, upper bar hole 14, the upper surface 15 of punch holder, the lower surface 16 of arc gasket, the hole 17 of seting up on the arc gasket, first screw rod 19, second bolt 20, draw-in groove 22, electrical equipment end plate 25.
Detailed Description
For the understanding of those skilled in the art, the present invention will be described in further detail with reference to the following drawings and detailed description, which are not intended to limit the invention:
example 1
It should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used broadly in the present invention, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1-9: the embodiment provides an end plate wire fixing device, which comprises an upper clamping plate 2, a lower clamping plate 1 and a bolt connecting assembly, wherein the upper clamping plate 2, the lower clamping plate 1 and the bolt connecting assembly are mutually buckled, the lower surface of the lower clamping plate 1 is directly contacted with the surface plane of an electrical equipment end plate 25, one side of the upper clamping plate 2 and one side of the lower clamping plate 1 are respectively provided with an upper clamping plate arc-shaped groove 13 and a lower clamping plate arc-shaped groove 11, the two arc-shaped grooves are oppositely arranged up and down and clamped at the two sides of the side wall of a wire, the other side of the upper clamping plate 2 and the other side of the lower clamping plate 1 are respectively provided with an arc-shaped foot and a channel for supporting the arc-shaped foot, when the upper clamping plate 2 and the lower clamping plate 1 are buckled, the arc-shaped foot can be embedded into the channel to form a supporting edge, the upper clamping plate can be opened and closed around the channel to change the distance between the arc-shaped grooves, so that wires 7 with different wire diameters can be clamped, an upper strip-shaped hole 14 for a first screw rod and a third screw rod to pass through is arranged on the upper clamping plate 2, the upper strip-shaped hole 14 is perpendicular to the arc-shaped grooves, when the screw rod is locked, the upper clamping plate 2 can be rotatably opened and closed around the channel due to the support of the channel and the arc-shaped foot, and the locking force can be transmitted to the arc-shaped groove of the lower clamping plate to clamp the lead 7; the bolt connecting assembly comprises a first screw rod which sequentially penetrates through the electrical equipment end plate 25, the lower clamping plate 1 and the upper clamping plate 2; a second bolt sequentially penetrating through the lower splint 1 and the electrical equipment end plate 25 and a third screw connecting the lower splint 1 and the upper splint 2, the first screw 19 and the third screw 6 are preferably made of aluminum alloy with tensile strength not lower than 400MPa, the middle part of the lower splint 1 is provided with a lower strip-shaped hole 12 for the second bolt to penetrate, a threaded hole 10 for the first screw to penetrate and fix and a threaded hole 24 fixedly connected with the third screw, wherein, in order to prevent the second bolt 20 from rotating, a clamping groove 22 for clamping the end of the second bolt is arranged beside the lower strip-shaped hole 12, in order to improve the thread fitting degree of the third screw 6 and the lower splint 1 in the direction deviating from the lower splint, the threaded hole 24 connected with the third screw 6 is processed into a blind hole, the upper surface 15 of the upper splint 2 is an arc-shaped surface, an arc-shaped gasket 3 is arranged between the upper splint 2 and the aluminum alloy nut 4, the lower surface 16 of the arc-shaped gasket 3 is provided with an arc shape matched with the upper surface of the upper splint, the upper surface of the arc-shaped gasket 4 is perpendicular to the first screw rod 19, the hole 17 formed in the optimized arc-shaped gasket 3 is selected to be a round hole or a similar round hole so as to reduce the influence on the strength of the arc-shaped gasket 3, the similar round hole is a non-round hole with an area slightly larger than the cross section of the screw rod penetrating through the similar round hole, and a disc-shaped spring washer 5 is further arranged between the arc-shaped gasket 3 and the aluminum alloy nut 4.
The first screw rod 19, the third screw rod 6, the upper clamping plate 2, the lower clamping plate 1, the arc-shaped gasket 3 and the aluminum alloy nut 4 are preferably made of aluminum alloy materials, and certainly, as a scheme for reducing the cost, parts with small conductive requirements, such as the first screw rod 19, the third screw rod 6, the arc-shaped gasket 3 and the aluminum alloy nut 4, can also be made of other metal materials, such as carbon steel or stainless steel, in a unified manner; the aluminum alloy nut 4 preferably adopts an aluminum alloy torque nut to ensure accurate initial fastening force.
In order to fasten the first screw rod 19 and the third screw rod 6, a lower thread part and an upper thread part are arranged on the first screw rod 19 and the third screw rod 6, at least one tool clamping part for rotating the screws is machined on the screws, here, a hexagonal head is machined on the upper end of the screws, and the maximum width of the hexagonal head does not exceed the inner bore of a connecting nut of the hexagonal head.
Preferably, the outer side edge of the arc-shaped groove is provided with notches or convex claws which are vertically staggered and embedded, wherein the lower claw 8 and the upper claw 9 are selected, and the notches are selected in the embodiment.
In addition, in order to improve the corrosion resistance and the conductivity, the surfaces of all the accessories of the end plate wire fixing device are provided with protective layers, and the protective layers can be electroplated or anodized.
Example 2
The main difference from embodiment 1 is that the threaded hole 24 for connecting the third screw 6 is processed into a through hole, and a boss capable of blocking and lifting the third screw needs to be arranged at the lower part of the through hole. The protrusions may be realized by a change in the size of the hole or a difference in the shape of the hole.
Example 3
The main difference from embodiment 1 is that the first screw and the third screw are in stepped shaft shapes with large top and small bottom, that is, the outer diameters of the lower threaded parts of the first screw and the third screw are smaller than those of the upper threaded parts.
Example 4
As shown in fig. 10, the other sides of the upper clamp plate 2 and the lower clamp plate 1 are not provided with arc-shaped feet and channels for supporting the arc-shaped feet, but are uniformly designed with arc-shaped grooves for clamping wires, the connecting ends of the wires are made into U-shapes, and then the wires are directly clamped into the arc-shaped grooves on the two sides of the end plate wire fixing device for locking. The notch or the protruding claw of crisscross gomphosis about preferred arc recess outside limit is equipped with, and this moment selects for lower jack catch 8, last jack catch 9, and the embodiment selection is the notch this moment, and the hole of seting up on the punch holder this moment just supplies the round hole that the screw rod passed or class round hole can for two to reduce the holistic intensity demand to the punch holder.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the invention.
It should be noted that the tool engaging portion may also be a rounded head, a square head, a countersunk head, a hole or a groove provided at least one end of the screw. Or the tool clamping part is a hole, a groove, two parallel surfaces, a four-prism column or a hexagonal prism and the like processed in the middle of the screw rod, and the description is omitted. The above embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways, and obvious substitutions, modifications and variations are within the scope of the present invention without departing from the spirit of the present invention.
In addition, in order to enable those skilled in the art to more conveniently understand the improvement of the present invention over the prior art, some of the drawings and common sense descriptions of the present invention have been simplified, and some other elements have been omitted from this document for clarity, and those skilled in the art should recognize that these omitted elements also constitute the content of the present invention.
Claims (10)
1. An end plate wire fixing device comprises an upper clamping plate, a lower clamping plate and a bolt connecting assembly which are mutually buckled; the method is characterized in that: the lower surface of the lower clamping plate is directly contacted with the surface plane of the end plate of the electrical equipment, arc-shaped grooves are respectively arranged on one sides of the upper clamping plate and the lower clamping plate, and the arc-shaped grooves are oppositely arranged and clamped on two sides of the side wall of the lead; the bolt connecting assembly comprises a first screw rod which sequentially penetrates through an electrical equipment end plate, a lower clamping plate and an upper clamping plate; the third screw rod that passes the second bolt of lower plate and electrical equipment end plate and connect lower plate and punch holder in proper order, the tensile strength of first, third screw rod material is higher than punch holder and lower plate more than 30%, and the difference of expansion coefficient and upper and lower plate is no longer than 20%, the lower plate middle part is equipped with the lower bar hole that supplies the second bolt to pass and the screw hole of being connected with first, third screw rod, and this screw hole and screw rod locking fit are with set screw, the upper surface of punch holder is the arc, is provided with the arc gasket between punch holder and aluminium alloy nut, the lower surface of arc gasket is equipped with the arc that agrees with mutually with the punch holder upper surface.
2. The end plate wire fixation device of claim 1, wherein: the threaded hole connected with the third screw rod is a blind hole or a through hole, and a protruding part for blocking and jacking the third screw rod is arranged at the lower part of the through hole.
3. The end plate wire fixation device of claim 1, wherein: and a clamping groove for clamping the end of the second bolt is arranged on the lower clamping plate.
4. The end plate wire fixation device of claim 1, wherein: and the first screw rod and/or the third screw rod are provided with a lower thread part and an upper thread part, and at least one tool clamping part for rotating the first screw rod and/or the third screw rod is processed on the first screw rod and/or the third screw rod.
5. The end plate wire fixation device of claim 1, wherein: the first screw and the third screw are made of the same material as the upper clamping plate and the lower clamping plate.
6. The end plate wire fixer according to any one of claims 1-5, wherein: and the other sides of the upper clamping plate and the lower clamping plate are also provided with arc-shaped grooves for clamping the wires.
7. The end plate wire fixation device of claim 6, wherein: at least one outer side edge of the arc-shaped groove is provided with notches or convex claws which are vertically staggered and embedded.
8. The end plate wire retention device of claim 7, wherein: the hole opened on the upper clamping plate is a round hole or a similar round hole for the screw to pass through.
9. The end plate wire fixer according to any one of claims 1-5, wherein: the opposite side of punch holder and lower plate is equipped with the channel of arc foot and support arc foot respectively, the hole that supplies first and third screw rod to pass on the punch holder is upper stripe shape hole, upper stripe shape hole perpendicular to arc recess.
10. The end plate wire fixation device of claim 1, wherein: the upper surface of the arc-shaped gasket is perpendicular to the first screw rod, and a disc-shaped spring washer is arranged between the arc-shaped gasket and the aluminum alloy nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010282424.7A CN111463594B (en) | 2020-04-12 | 2020-04-12 | End plate wire fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010282424.7A CN111463594B (en) | 2020-04-12 | 2020-04-12 | End plate wire fixing device |
Publications (2)
| Publication Number | Publication Date |
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| CN111463594A CN111463594A (en) | 2020-07-28 |
| CN111463594B true CN111463594B (en) | 2021-09-03 |
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| CN202010282424.7A Active CN111463594B (en) | 2020-04-12 | 2020-04-12 | End plate wire fixing device |
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Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2582236Y (en) * | 2002-11-01 | 2003-10-22 | 谢福永 | Power line wire clamp with two parallel slots |
| US8425264B2 (en) * | 2010-09-16 | 2013-04-23 | Pan Electric Corporation | Electrical connector |
| CN202259747U (en) * | 2011-11-04 | 2012-05-30 | 重庆德普电气有限公司 | Single-hole extension type flat energy-saving wire clamp |
| CN202513516U (en) * | 2012-04-01 | 2012-10-31 | 古叶辉 | Torque energy-saving cable clamp |
| CN204834300U (en) * | 2015-07-28 | 2015-12-02 | 江苏畅源电气设备有限公司 | Transformer C molded lines presss from both sides |
| CN205069891U (en) * | 2015-09-25 | 2016-03-02 | 重庆渝久电力金具有限公司 | Parallel groove clamp suitable for different diameter specification wires compress tightly |
| CN106299754B (en) * | 2016-06-15 | 2018-11-23 | 江苏嘉盟电力设备有限公司 | Cable clamp and bifurcation connector comprising it |
| CN207338659U (en) * | 2017-11-06 | 2018-05-08 | 红光电气集团有限公司 | Side-push transformer wire clamp |
| CN208226123U (en) * | 2018-05-21 | 2018-12-11 | 固力发电气有限公司 | A kind of wire clamp for connecting into subscriber |
| CN209389241U (en) * | 2019-02-28 | 2019-09-13 | 永固集团股份有限公司 | A kind of tablet device wire clamp |
| CN209786206U (en) * | 2019-05-06 | 2019-12-13 | 浙江彼岸电气有限公司 | Elastic parallel groove clamp |
| CN210245759U (en) * | 2019-07-24 | 2020-04-03 | 上升电力科技有限公司 | Parallel groove clamp |
| CN210129587U (en) * | 2019-07-26 | 2020-03-06 | 中山市顺誉电力科技有限公司 | Universal wire clamp capable of automatically adjusting included angle |
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2020
- 2020-04-12 CN CN202010282424.7A patent/CN111463594B/en active Active
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