CN213717094U - Wedge-shaped parallel groove clamp - Google Patents
Wedge-shaped parallel groove clamp Download PDFInfo
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- CN213717094U CN213717094U CN202022971706.6U CN202022971706U CN213717094U CN 213717094 U CN213717094 U CN 213717094U CN 202022971706 U CN202022971706 U CN 202022971706U CN 213717094 U CN213717094 U CN 213717094U
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Abstract
The utility model provides a wedge-shaped parallel groove clamp, which belongs to the technical field of overhead transmission and distribution line connection, and comprises a base, a wedge block, a push plate and a driving mechanism for driving the push plate to tightly support the wedge block, wherein a shell is integrally formed on the base, the shell is a C-shaped shell, the opening of the shell is arranged back to the base, and the inner surfaces of the two side walls of the shell are both inwards provided with first arc-shaped grooves; the wedge block is movably arranged in an inner cavity of the wedge block, second arc-shaped grooves are formed in the two side walls of the wedge block in a concave mode, the two second arc-shaped grooves are arranged corresponding to the two first arc-shaped grooves respectively, and a wire clamping groove for clamping a wire is formed between the second arc-shaped groove and the first arc-shaped groove which are located on the same side; the push plate is detachably arranged at the end part of one end of the base, and the push plate is tightly propped against the wedge block under the fastening force of the driving mechanism. The utility model discloses simple structure, simple to operate are swift, can dismantle used repeatedly, and the wire presss from both sides tightly respond well, have reduced electric wire netting fortune dimension personnel's work load, have improved high altitude construction's security.
Description
Technical Field
The utility model relates to an overhead transmission and distribution lines device that continues specifically relates to a wedge type parallel groove fastener.
Background
At present, built on stilts transmission and distribution lines extensively uses ordinary wedge type parallel groove clamp to continue as the non-load of wire, ordinary wedge type parallel groove clamp includes C type casing, voussoir, need use special bullet shooting gun to launch special bullet shooting core or use heavy special hydraulic tong to install during the installation, it is the consumer to launch the core, can increase installation cost, special multiplexer utensil price is higher, and the operation is very inconvenient during the aerial work, waste time and energy, lead to falling object easily, there is the potential safety hazard. Meanwhile, the common wedge-shaped parallel groove clamp cannot be detached generally, cannot be reused, the circuit is difficult to overhaul, maintain and replace, the anti-loosening effect is general, wedge blocks can loosen along with environmental changes in operation, the contact resistance of a lead is increased, electrical faults are caused easily, even if the anti-loosening device is arranged, the structure is also complex, and the manufacturing difficulty and the manufacturing cost of the wedge-shaped clamp are increased.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem that exists among the prior art, it is present to aim at providing a wedge type parallel groove fastener, and its simple structure, simple to operate are swift, have good ground wire fastening effect to continuing of built on stilts transmission and distribution lines, and high altitude fortune dimension personnel no longer need fasten the wedge type fastener through specialized tool such as special hydraulic tong, have reduced the risk of high altitude weight thing and the fortune dimension degree of difficulty of high altitude transmission and distribution lines, moreover, the utility model discloses can dismantle used repeatedly, reduce the fastener purchasing cost of electric wire netting enterprise.
The specific technical scheme is as follows:
a wedge-type parallel groove clamp comprising:
the device comprises a base, wherein a shell is integrally formed on the base, the shell is a C-shaped shell, an opening of the shell is arranged opposite to the base, and two side walls of the shell are inwards concave to form first arc-shaped grooves respectively;
the wedge block is arranged in the inner cavity of the shell and is of a wedge-shaped structure, two side walls of the wedge block are inwards concave to form second arc-shaped grooves respectively, the second arc-shaped groove on each side of the wedge block is opposite to the first arc-shaped groove on one inner side wall of the shell, and a wire clamping groove is formed between the second arc-shaped groove and the first arc-shaped groove on the same side;
the push plate is movably arranged on the base, and the push plate abuts against the bottom surface of the wedge block under the action of the fastening force of the push plate and the base to push the wedge block to slide in the inner cavity of the shell so as to clamp and fix the wire threaded in the wire clamping groove.
The wedge-shaped parallel groove clamp is characterized in that the inner cavity of the shell is of a wedge-shaped structure, and the wedge-shaped inclination angles of the wedge and the inner cavity of the shell are 9-11 degrees.
In the wedge-shaped parallel groove clamp, the push plate is connected with the base through a driving mechanism, and the driving mechanism adjusts the pushing force applied to the wedge block by the push plate by adjusting the tightness of the connection between the push plate and the base.
The wedge-shaped parallel groove clamp is characterized in that the driving mechanism is a bolt assembly, the bolt assembly comprises a bolt and a nut, the bolt is fixedly installed on the base, a bolt through hole is formed in the push plate, the bolt penetrates through the bolt through hole in the push plate, and the nut 6 is screwed on the bolt to connect the push plate to the base.
In the wedge-shaped parallel groove clamp, the bolt is further sleeved with a spring, and the spring is sleeved between the base and the push plate.
The wedge-shaped parallel groove clamp is characterized in that a gasket and a spring ring are further arranged between the nut and the push plate, and the gasket and the spring ring are sleeved on the bolt between the nut and the push plate.
In the wedge-shaped parallel groove clamp, the number of the bolt assemblies is two.
In the wedge-shaped parallel groove clamp, a groove is formed in the bottom surface of the wedge block, and the end of the push plate is clamped into the groove to abut against the wedge block.
In the wedge-shaped parallel groove clamp, the groove wall of the first arc-shaped groove is further provided with inverted teeth or convex ribs.
In the wedge-type parallel groove clamp, the base, the housing, the push plate and the wedge are made of aluminum.
The positive effects of the technical scheme are as follows:
1. foretell wedge type parallel groove clamp mainly comprises base, casing, voussoir, push pedal and actuating mechanism, moreover, the steam generator is simple in structure, and preparation low cost, simple to operate is swift, need not use special bullet shooting core of special bullet shooting gun transmission or use heavy special hydraulic tong to install, only need through bolt assembly with push pedal fixed mounting on the base support tight voussoir can, installation labour saving and time saving has reduced the high altitude that the special multiplexer utensil installation of high altitude use probably causes and has fallen the thing risk.
2. The wedge-shaped parallel groove clamp adopts a detachable design, can be repeatedly used, and reduces the clamp purchasing cost of a power grid enterprise;
3. the bolt assembly is used as a mechanism for driving the push plate to abut against the wedge block, so that the wedge block can be effectively prevented from loosening, further, a wire threaded in the wire clamping groove is prevented from loosening, and electrical faults caused by increase of contact resistance of the wire due to loosening of the wire are avoided.
Drawings
Fig. 1 is a first perspective view of a wedge-shaped parallel groove clamp according to an embodiment of the present invention;
fig. 2 is a second perspective view of a wedge-shaped parallel groove clamp according to an embodiment of the present invention;
fig. 3 is a right side view of a wedge-type parallel groove clamp according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of a portion A of FIG. 3;
fig. 5 is a left side view of a wedge-type parallel groove clamp according to an embodiment of the present invention;
FIG. 6 is a first schematic view of the wedge being separated from the housing;
FIG. 7 is an enlarged schematic view of the detail view B of FIG. 6;
FIG. 8 is a second schematic view of the wedge and the housing being sorted;
FIG. 9 is a first schematic structural view of the housing;
FIG. 10 is a second schematic structural view of the housing;
FIG. 11 is a schematic view of the wedge and the wedge angle of the inner cavity of the housing.
In the drawings: 1. a base; 2. a housing; 3. pushing the plate; 4. a wedge block; 5. a bolt; 6. a nut; 7. a first arc-shaped slot; 8. a second arc-shaped slot; 9. a wire clamping groove; 10. inverted teeth or ribs; 11. a spring; 12. a gasket; 13. a spring ring; 14. bolt holes; 15. a bolt clamping groove; 16. a groove; 17. an inner cavity.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The wedge-shaped parallel groove clamp provided by the present embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 8, includes: a base 1, a wedge 4 and a push plate 3; a shell 2 is integrally formed on the base 1, the shell 2 is a C-shaped shell, an opening of the shell 2 is arranged opposite to the base 1, and the inner surfaces of two side walls of the shell 2 are both concave inwards to form first arc-shaped grooves 7;
the wedge block 4 is arranged in the inner cavity of the shell 2, the wedge block 4 is of a wedge-shaped structure, two side walls of the wedge block 4 are recessed inwards to form second arc-shaped grooves 8 respectively, the second arc-shaped grooves 8 on each side of the wedge block 4 are arranged opposite to the first arc-shaped grooves 7 on one inner side wall of the shell 2 respectively, and a wire clamping groove 9 is formed between the second arc-shaped grooves 8 and the first arc-shaped grooves 7 on the same side;
specifically, push pedal 3 movably installs on base 1, and push pedal 3 supports the bottom surface that tight voussoir 4 under its fastening power effect with base 1 and promotes voussoir 4 and slide in the inner chamber 17 of casing 2 to press from both sides the wire clamp fastening of threading in wire clamping groove 9 and fix.
In order to improve the wire clamping effect, the inner cavity 17 of the shell 2 is of a wedge-shaped structure, and the wedge-shaped inclination angles of the wedge 4 and the inner cavity 17 of the shell 2 are 9-11 degrees. Please refer to fig. 11 for a schematic diagram of the wedge-shaped inclination angle.
Adopt above-mentioned technical scheme's wedge type parallel groove clamp mainly by base 1, casing 2, voussoir 4 and push pedal 3 are constituteed, moreover, the steam generator is simple in structure, the installation of being convenient for, can directly utilize push pedal 3 to support voussoir 4 tight when the installation, it can to press from both sides the wire of threading in wire clamping groove 9 tight, need not use special use to launch the special bullet of rifle transmission and penetrate the core or use heavy special hydraulic tong to press from both sides the wire tightly, the installation degree of difficulty has been reduced, use special worker utensil to take place the object that falls from the air when can effectively avoiding high altitude construction, eliminate the potential safety hazard, in addition, this wedge type parallel groove clamp adopts detachable design, can used repeatedly, the use cost of.
More specifically, as shown in fig. 1, the push plate 3 is preferably of an L-shaped structure, the push plate 3 is connected to the base 1 through a driving mechanism, and the driving mechanism adjusts the pushing force applied by the push plate 3 to the wedge 4 by adjusting the tightness of the connection between the push plate 3 and the base 1.
As shown in fig. 1, 5 and 7, the driving mechanism is a bolt assembly, the bolt assembly includes a bolt 5 and a nut 6, the bolt 5 is fixedly mounted on the base 1, a bolt through hole is formed in the push plate 3, the bolt 5 passes through the bolt through hole in the push plate 3, and the nut 6 is screwed on the bolt 5 to connect the push plate 3 to the base. When the wedge block 4 needs to be abutted or loosened, the tightness of the threaded connection between the push plate 3 and the base 1 only needs to be adjusted.
As shown in fig. 9 and 10, the bolt 5 and the base 1 are fixed by a bolt hole 14 penetrating through the base 1 in the front-rear direction, a bolt locking groove 15 is provided at one end of the bolt hole 14, and the bolt 5 is inserted into the bolt locking groove 15 from the other end of the bolt hole 14 and is fixed by the bolt locking groove 15 in a limited manner.
Preferably, as shown in fig. 7, the bolt 5 is further sleeved with a spring 11, and the spring 11 is sleeved between the base 1 and the push plate 3. The elastic force of the spring 11 and the fastening force of the threaded connection are mutually exclusive, so that the stability that the push plate 3 abuts against the wedge block 4 can be ensured, and a better wedge block or lead loosening effect is achieved.
In order to ensure the abutting effect of the push plate 3 and the wedge 4, as shown in fig. 1, the number of the bolt assemblies is preferably two, and the bolt assemblies are arranged on the base 1 in a bilateral symmetry manner.
In order to further improve the abutting effect between the push plate 3 and the wedge 4, as shown in fig. 7, a gasket 12 and a spring ring 13 are preferably further disposed between the nut 6 and the push plate 3, and the gasket 12 and the spring ring 13 are sleeved on the bolt 5 between the nut 6 and the push plate 3.
In order to ensure that the push plate 3 is tightly pressed against the wedge 4 without loosening, as shown in fig. 6, a groove 16 is formed on the bottom surface of the wedge 4, and the end of the push plate 3 is clamped into the groove 16 to tightly press against the wedge 4.
In order to ensure that the wires are not loosened in the wire clamping groove 9, as shown in fig. 4, the wall of the first arc-shaped groove 7 is also provided with inverted teeth 10 or convex ribs 10.
In this embodiment, the base 1, the housing 2, the push plate 3 and the wedge 4 are preferably cast or forged from a high-strength aluminum alloy to prevent the wire clamp from being deformed and damaged, and prolong the service life.
The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.
Claims (10)
1. A wedge-shaped parallel groove clamp, comprising:
the device comprises a base (1), wherein a shell (2) is integrally formed on the base (1), the shell (2) is a C-shaped shell, an opening of the shell (2) is arranged in a manner of being opposite to the base (1), and two side walls of the shell (2) are inwards concave to form first arc-shaped grooves (7) respectively;
the wedge block (4) is arranged in an inner cavity of the shell (2), the wedge block (4) is of a wedge-shaped structure, two side walls of the wedge block (4) are recessed to form second arc-shaped grooves (8) respectively, the second arc-shaped grooves (8) on each side of the wedge block (4) are arranged opposite to the first arc-shaped grooves (7) on one inner side wall of the shell (2), and wire clamping grooves (9) are formed between the second arc-shaped grooves (8) and the first arc-shaped grooves (7) on the same side;
the wire clamping device comprises a push plate (3), wherein the push plate (3) is movably arranged on a base (1), the push plate (3) abuts against the bottom surface of a wedge block (4) under the action of fastening force of the base (1) to push the wedge block (4) to slide in an inner cavity of a shell (2), and a wire of a threading wire in a wire clamping groove (9) is clamped and fixed.
2. Wedge-type parallel groove clamp according to claim 1, wherein the inner cavity of the housing (2) is wedge-shaped, and the wedge-shaped inclination angle of the wedge (4) and the inner cavity of the housing (2) is 9-11 °.
3. Wedge-type parallel groove clamp according to claim 1, wherein said push plate (3) is connected to said base (1) by a driving mechanism which adjusts the thrust exerted by said push plate (3) on said wedge (4) by adjusting the tightness of the connection of said push plate (3) to said base (1).
4. The wedge-type parallel groove clamp according to claim 3, wherein the driving mechanism is a bolt assembly including a bolt (5) and a nut (6), the bolt (5) is fixedly installed on the base (1), a bolt through hole is formed on the push plate (3), the bolt (5) passes through the bolt through hole on the push plate (3), and the push plate (3) is connected to the base (1) by tightening the nut (6) on the bolt (5).
5. Wedge-type parallel groove clamp according to claim 4, wherein said bolt (5) is further sleeved with a spring (11), said spring (11) is sleeved between said base (1) and said push plate (3).
6. Wedge-type parallel groove clamp according to claim 4, characterized in that a gasket (12) and a spring ring (13) are further provided between the nut (6) and the push plate (3), the gasket (12) and the spring ring (13) are sleeved on the bolt (5) between the nut (6) and the push plate (3).
7. The wedge type parallel groove clamp of claim 4, wherein the number of the bolt assemblies is 2.
8. The wedge-type parallel groove clamp according to claim 1, wherein the bottom surface of the wedge block (4) is provided with a groove (16), and the end of the push plate (3) is snapped into the groove (16) to abut against the wedge block (4).
9. Wedge-type parallel groove clamp according to claim 1, wherein the wall of the first arc-shaped groove (7) is further provided with inverted teeth (10) or ribs (10).
10. Wedge-type parallel groove clamp according to claim 1, characterized in that the base (1), the housing (2), the push plate (3) and the wedge (4) are made of aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022971706.6U CN213717094U (en) | 2020-12-13 | 2020-12-13 | Wedge-shaped parallel groove clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022971706.6U CN213717094U (en) | 2020-12-13 | 2020-12-13 | Wedge-shaped parallel groove clamp |
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| Publication Number | Publication Date |
|---|---|
| CN213717094U true CN213717094U (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022971706.6U Active CN213717094U (en) | 2020-12-13 | 2020-12-13 | Wedge-shaped parallel groove clamp |
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| CN (1) | CN213717094U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113358323A (en) * | 2021-08-10 | 2021-09-07 | 中国空气动力研究与发展中心高速空气动力研究所 | Branch wedge hole section of high-speed wind-tunnel walks line branching device |
| CN114856105A (en) * | 2022-05-25 | 2022-08-05 | 永臻科技股份有限公司 | Photovoltaic railing system and installation method thereof |
-
2020
- 2020-12-13 CN CN202022971706.6U patent/CN213717094U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113358323A (en) * | 2021-08-10 | 2021-09-07 | 中国空气动力研究与发展中心高速空气动力研究所 | Branch wedge hole section of high-speed wind-tunnel walks line branching device |
| CN114856105A (en) * | 2022-05-25 | 2022-08-05 | 永臻科技股份有限公司 | Photovoltaic railing system and installation method thereof |
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